A data storage system includes a high-power laser to form a laser beam at a first wavelength. A 2D patternable light valve having a phase change material responsive to a write beam at a second wavelength, and non-responsive at the first wavelength is used to pattern the laser beam.
A method and an apparatus involve applying a pattern on an addressable patternable cathode unit. The cathode unit is stimulated to emit an electron beam pattern. A patterned image in the electron beam pattern is positioned to a desired position such directly to as a powder bed for additive manufacturing or to an electron beam addressed light valve for controlling spatial patterns on an optical signal for powder bed manufacturing.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
3.
Fluid Edge Cladding for Spectroscopic Absorption of Laser Emissions and Amplified Spontaneous Emission
In one embodiment a laser amplifier includes a light pump source that can generate light at a first wavelength or range of wavelengths. The laser amplifier further includes an optically pumped laser amplifier having a gain medium that amplifies light at a second wavelength or range of wavelengths in response to receiving generated light from the light pump source. A housing is used to at least partially surround the gain medium and hold a coolant fluid able to absorb the second wavelength or range of wavelengths.
An additive manufacturing system including a two-dimensional energy patterning system for imaging a powder bed is disclosed. The two-dimensional energy patterning system may be used to control the rate of cooling experienced by each successive additive layer. Accordingly, the system may be used to heat treat the various additive layers.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
5.
Variable Print Chamber Walls For Powder Bed Fusion Additive Manufacturing
Additive manufacturing can involve dispensing a powdered material to form a layer of a powder bed on a support surface of a build platform. A portion of the layer of the powder bed may be selectively melted or fused to form one or more temporary walls out of the fused portion of the layer of the powder bed to contain another portion of the layer of the powder bed on the build platform
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B22F 12/17 - Auxiliary heating means to heat the build chamber or platform
B23K 15/06 - Electron-beam welding or cutting within a vacuum chamber
B23K 26/00 - Working by laser beam, e.g. welding, cutting or boring
B23K 26/03 - Observing, e.g. monitoring, the workpiece
B23K 26/08 - Devices involving relative movement between laser beam and workpiece
B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B23K 101/00 - Articles made by soldering, welding or cutting
B23K 103/00 - Materials to be soldered, welded or cut
B25J 11/00 - Manipulators not otherwise provided for
B28B 1/00 - Producing shaped articles from the material
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B29C 64/386 - Data acquisition or data processing for additive manufacturing
B29K 105/00 - Condition, form or state of moulded material
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
B33Y 99/00 - Subject matter not provided for in other groups of this subclass
G02B 7/14 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses adapted to interchange lenses
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
G02B 27/09 - Beam shaping, e.g. changing the cross-sectioned area, not otherwise provided for
G02B 27/14 - Beam splitting or combining systems operating by reflection only
G02B 27/28 - Optical systems or apparatus not provided for by any of the groups , for polarising
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
G05B 17/02 - Systems involving the use of models or simulators of said systems electric
A method of additive manufacture suitable for large and high resolution structures is disclosed. The method may include sequentially advancing each portion of a continuous part in the longitudinal direction from a first zone to a second zone. In the first zone, selected granules of a granular material may be amalgamated. In the second zone, unamalgamated granules of the granular material may be removed. The method may further include advancing a first portion of the continuous part from the second zone to a third zone while (1) a last portion of the continuous part is formed within the first zone and (2) the first portion is maintained in the same position in the lateral and transverse directions that the first portion occupied within the first zone and the second zone.
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B22F 12/17 - Auxiliary heating means to heat the build chamber or platform
B23K 15/06 - Electron-beam welding or cutting within a vacuum chamber
B23K 26/00 - Working by laser beam, e.g. welding, cutting or boring
B23K 26/03 - Observing, e.g. monitoring, the workpiece
B23K 26/08 - Devices involving relative movement between laser beam and workpiece
B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B23K 101/00 - Articles made by soldering, welding or cutting
B23K 103/00 - Materials to be soldered, welded or cut
B25J 11/00 - Manipulators not otherwise provided for
B28B 1/00 - Producing shaped articles from the material
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B29C 64/386 - Data acquisition or data processing for additive manufacturing
B29K 105/00 - Condition, form or state of moulded material
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
B33Y 99/00 - Subject matter not provided for in other groups of this subclass
G02B 7/14 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses adapted to interchange lenses
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
G02B 27/09 - Beam shaping, e.g. changing the cross-sectioned area, not otherwise provided for
G02B 27/14 - Beam splitting or combining systems operating by reflection only
G02B 27/28 - Optical systems or apparatus not provided for by any of the groups , for polarising
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
G05B 17/02 - Systems involving the use of models or simulators of said systems electric
A method of additive manufacture is disclosed. The method can include providing an enclosure surrounding a powder bed and having an atmosphere including helium gas. A high flux laser beam is directed at a defined two dimensional region of the powder bed. Powder is melted and fused within the defined two dimensional region, with less than 50% by weight of the powder particles being displaced into any defined two dimensional region that shares an edge or corner with the defined two dimensional region where powder melting and fusing occurs.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
B22F 10/31 - Calibration of process steps or apparatus settings, e.g. before or during manufacturing
B22F 10/32 - Process control of the atmosphere, e.g. composition or pressure in a building chamber
B22F 12/90 - Means for process control, e.g. cameras or sensors
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/14 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
An additive manufacturing system includes a high power laser to form a laser beam directed against a light valve. An active light valve cooling system is arranged to remove heat from the light valve and a heat exchanger is connected to the active light valve cooling system. A heat exchange fluid is circulated through the active light valve cooling system and the heat exchanger.
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B29K 105/00 - Condition, form or state of moulded material
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 70/00 - Materials specially adapted for additive manufacturing
G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses
9.
Light Recycling For Additive Manufacturing Optimization
A method and an apparatus pertaining to recycling and reuse of unwanted light in additive manufacturing can multiplex multiple beams of light including at least one or more beams of light from one or more light sources. The multiple beams of light may be reshaped and blended to provide a first beam of light. A spatial polarization pattern may be applied on the first beam of light to provide a second beam of light. Polarization states of the second beam of light may be split to reflect a third beam of light, which may be reshaped into a fourth beam of light. The fourth beam of light may be introduced as one of the multiple beams of light to result in a fifth beam of light.
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B23K 15/06 - Electron-beam welding or cutting within a vacuum chamber
B23K 26/03 - Observing, e.g. monitoring, the workpiece
B23K 26/08 - Devices involving relative movement between laser beam and workpiece
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B25J 11/00 - Manipulators not otherwise provided for
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B29C 64/386 - Data acquisition or data processing for additive manufacturing
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
G05B 17/02 - Systems involving the use of models or simulators of said systems electric
B23K 103/00 - Materials to be soldered, welded or cut
B28B 1/00 - Producing shaped articles from the material
B29K 105/00 - Condition, form or state of moulded material
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
G02B 27/09 - Beam shaping, e.g. changing the cross-sectioned area, not otherwise provided for
G02B 27/14 - Beam splitting or combining systems operating by reflection only
G02B 27/28 - Optical systems or apparatus not provided for by any of the groups , for polarising
A method and an apparatus for collecting a powdered material after a print job in powder bed fusion additive manufacturing may involve a build platform supporting a powder bed capable of tilting, inverting, and shaking to separate the powder bed substantially from the build platform in a hopper. The powdered material may be collected in a hopper for reuse in later print jobs. The powder collecting process may be automated to increase efficiency of powder bed fusion additive manufacturing.
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B22F 12/17 - Auxiliary heating means to heat the build chamber or platform
B23K 15/06 - Electron-beam welding or cutting within a vacuum chamber
B23K 26/00 - Working by laser beam, e.g. welding, cutting or boring
B23K 26/03 - Observing, e.g. monitoring, the workpiece
B23K 26/08 - Devices involving relative movement between laser beam and workpiece
B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B23K 101/00 - Articles made by soldering, welding or cutting
B23K 103/00 - Materials to be soldered, welded or cut
B25J 11/00 - Manipulators not otherwise provided for
B28B 1/00 - Producing shaped articles from the material
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B29C 64/386 - Data acquisition or data processing for additive manufacturing
B29K 105/00 - Condition, form or state of moulded material
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
B33Y 99/00 - Subject matter not provided for in other groups of this subclass
G02B 7/14 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses adapted to interchange lenses
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
G02B 27/09 - Beam shaping, e.g. changing the cross-sectioned area, not otherwise provided for
G02B 27/14 - Beam splitting or combining systems operating by reflection only
G02B 27/28 - Optical systems or apparatus not provided for by any of the groups , for polarising
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
G05B 17/02 - Systems involving the use of models or simulators of said systems electric
A print engine of an additive manufacturing system that supports powder measurement systems includes a print bed able to hold powder of varying sizes. A laser energy patterning system is made to be directable against the print bed and a backscatter detection system is situated to evaluate scattered light distribution from powder on the print bed and determine powder size.
B29C 64/386 - Data acquisition or data processing for additive manufacturing
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/00 - Data acquisition or data processing for additive manufacturing
A print engine of an additive manufacturing system can include an XY galvo arranged to direct a laser beam toward multiple positions on a print bed following a print path. In one embodiment an XY gantry supporting the XY galvo is connected to a motion control system that supports dynamic adjustment of the cycle time for both the XY gantry and XY galvo.
A manufacturing system includes a printer chamber having a printer bed that supports manufacturing materials and an internal heating system supported by the printer chamber. The internal heating systems is configured to direct patterned heat energy onto the printer bed and supported manufacturing materials. An external heating system is supported by or positioned near the printer chamber and configured to direct patterned heat energy onto the printer bed and any supported manufacturing materials.
B22F 12/43 - Radiation means characterised by the type, e.g. laser or electron beam frequency modulated
B22F 12/90 - Means for process control, e.g. cameras or sensors
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/273 - Arrangements for irradiation using electron beams [EB] frequency modulated
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
A print engine of an additive manufacturing system can include an XY galvo arranged to direct a laser beam toward multiple positions on a print bed following a print path. In one embodiment an XY gantry supporting the XY galvo is connected to a motion control system that supports dynamic adjustment of the cycle time for both the XY gantry and XY galvo.
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/236 - Driving means for motion in a direction within the plane of a layer
A print engine of an additive manufacturing system that supports powder measurement systems includes a print bed able to hold powder of varying sizes. A laser energy patterning system is made to be directable against the print bed and a backscatter detection system is situated to evaluate scattered light distribution from powder on the print bed and determine powder size.
A light modifying composition includes a first liquid crystal reactive mesogen material having attached functional groups that allow crosslinking. A second liquid crystal reactive mesogen material having attached functional groups and a differing molecular weight from the first liquid crystal reactive mesogen material is arranged to crosslink with the first crystal reactive mesogen material. For use in light valves, at least one of a photoalignment material and a rubbed LCD alignment material are contacted with the first and second liquid crystal reactive mesogen material.
G02F 1/13 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
A light modifying composition includes a first liquid crystal reactive mesogen material having attached functional groups that allow crosslinking. A second liquid crystal reactive mesogen material having attached functional groups and a differing molecular weight from the first liquid crystal reactive mesogen material is arranged to crosslink with the first crystal reactive mesogen material. For use in light valves, at least one of a photoalignment material and a rubbed LCD alignment material are contacted with the first and second liquid crystal reactive mesogen material.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 70/00 - Materials specially adapted for additive manufacturing
A monolithic transmissive or reflective light valve system able to withstand operation with high optical fluence and high average power lasers is described. The light valve includes a liquid crystal layer on an alignment layer, a first epitaxial doped semiconductor transparent electrode on a photoconductor layer made of a first wide bandgap or ultrawide bandgap semi-insulating semiconductor layer (or wafer). A second epitaxial semiconductor transparent electrode layer brackets the light valve and includes a second wide bandgap or ultrawide bandgap semi-insulating, or conductive semiconductor layer (or wafer). In some embodiments, the doped epitaxial or ion implanted transparent electrode and photoconductor layers have matched coefficient of thermal expansion (CTE) and further matched CTE to the second wide bandgap material bracketing the light valve. In some embodiments, the transparent electrode and photoconductor layers have matched index of refraction, along with matched photoexcitation levels.
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
B22F 10/36 - Process control of energy beam parameters
B22F 12/41 - Radiation means characterised by the type, e.g. laser or electron beam
B22F 12/44 - Radiation means characterised by the configuration of the radiation means
G02F 1/137 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
A monolithic transmissive or reflective light valve system able to withstand operation with high optical fluence and high average power lasers is described. The light valve includes a liquid crystal layer on an alignment layer, a first epitaxial doped semiconductor transparent electrode on a photoconductor layer made of a first wide bandgap or ultrawide bandgap semi- insulating semiconductor layer (or wafer). A second epitaxial semiconductor transparent electrode layer brackets the light valve and includes a second wide bandgap or ultrawide bandgap semi-insulating, or conductive semiconductor layer (or wafer). In some embodiments, the doped epitaxial or ion implanted transparent electrode and photoconductor layers have matched coefficient of thermal expansion (CTE) and further matched CTE to the second wide bandgap material bracketing the light valve. In some embodiments, the transparent electrode and photoconductor layers have matched index of refraction, along with matched photoexcitation levels.
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
20.
Laser Beam Shaping and Patterning for Manufacturing
A laser manufacturing system includes a laser patterning unit having an optically addressed light valve and an image relay able to direct a patterned laser beam from the laser patterning unit against a part. In some embodiments the patterned laser beam can ablatively remove material from the part or induce selected chemical reactions or transformation in part material.
A laser manufacturing system includes a laser patterning unit having an optically addressed light valve and an image relay able to direct a patterned laser beam from the laser patterning unit against a part. In some embodiments the patterned laser beam can ablatively remove material from the part or induce selected chemical reactions or transformation in part material.
B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
B23K 26/53 - Working by transmitting the laser beam through or within the workpiece for modifying or reforming the material inside the workpiece, e.g. for producing break initiation cracks
B23K 26/062 - Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
An apparatus includes at least one laser source and a print bed. A light valve array having at least three optically addressable light valves is positioned to direct differing images at the print bed. Optics to direct multiple beams derived from the at least one laser source can be positioned to direct light toward and from the optically addressable light valves.
B29C 64/282 - Arrangements for irradiation using multiple radiation means, e.g. micromirrors or multiple light-emitting diodes [LED] of the same type, e.g. using different energy levels
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
23.
ADDITIVE MANUFACTURING SYSTEM USING HOMOGENIZERS AND SHAPED AMPLIFIERS
A method of additive manufacture utilizing a uniform laser beam is disclosed. A seed laser projects a laser beam having a first laser beam shape. At least one pre-amplifier is positioned to receive the laser beam and amplify laser beam power. A homogenizer is positioned to receive the amplified laser beam from the at least one pre-amplifier and alter the first laser beam shape into a second laser beam shape. A main amplifier is positioned to receive the amplified laser beam having the second laser beam shape from the homogenizer and amplify laser beam power.
A method of additive manufacture utilizing a uniform laser beam is disclosed. A seed laser projects a laser beam having a first laser beam shape. At least one pre-amplifier is positioned to receive the laser beam and amplify laser beam power. A homogenizer is positioned to receive the amplified laser beam from the at least one pre-amplifier and alter the first laser beam shape into a second laser beam shape. A main amplifier is positioned to receive the amplified laser beam having the second laser beam shape from the homogenizer and amplify laser beam power.
H01S 3/094 - Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
H01S 3/06 - Construction or shape of active medium
H01S 3/23 - Arrangement of two or more lasers not provided for in groups , e.g. tandem arrangement of separate active media
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B22F 12/41 - Radiation means characterised by the type, e.g. laser or electron beam
25.
GRAYSCALE AREA PRINTING FOR ADDITIVE MANUFACTURING
An additive manufacturing system includes one or more light sources and one or more light valves that can be written with two-dimensional gray scale patterns that the light valves impose on beams from the one or more light sources to obtain one or more patterned beams. The one or more patterned beams are steered to each area of a plurality of areas on a layer of powder. The two-dimensional gray scale patterns are selected to achieve desired material properties at each pixel position of the patterned beam incident on the layer of powder. The light valves may modulate one or more of amplitude, phase, or coherence. The material properties may include one or more of Young's modulus, porosity, grain size, and crystalline microstructure.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
An additive manufacturing system includes a high power laser to form a high fluence laser beam. A 2D patternable light valve having a structure responsive to electron emission is positioned to receive and pattern light received from the high power laser.
B29C 64/282 - Arrangements for irradiation using multiple radiation means, e.g. micromirrors or multiple light-emitting diodes [LED] of the same type, e.g. using different energy levels
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
An additive manufacturing system includes at least two photoconductor plates attached to a substrate. Each photoconductor plate can include separate the Linear Electro layers and transparent conductive oxide layers.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
A method of additive manufacture is disclosed. The method may include restricting, by an enclosure, an exchange of gaseous matter between an interior of the enclosure and an exterior of the enclosure. The method may further include running multiple machines within the enclosure. Each of the machines may execute its own process of additive manufacture. While the machines are running, a gas management system may maintain gaseous oxygen within the enclosure at or below a limiting oxygen concentration for the interior.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
B33Y 99/00 - Subject matter not provided for in other groups of this subclass
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B25J 11/00 - Manipulators not otherwise provided for
G02B 7/14 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses adapted to interchange lenses
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
G05B 17/02 - Systems involving the use of models or simulators of said systems electric
H01S 5/40 - Arrangement of two or more semiconductor lasers, not provided for in groups
B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B22F 12/88 - Handling of additively manufactured products, e.g. by robots
B22F 12/90 - Means for process control, e.g. cameras or sensors
B22F 10/34 - Process control of powder characteristics, e.g. density, oxidation or flowability
B22F 10/36 - Process control of energy beam parameters
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
An apparatus for additive printing is provided. The apparatus includes a print head, an optical-mechanical assembly, and a rejected energy handling device. The print head includes an energy source and one or more energy patterning devices configured to provide one or more two-dimensional patterned incident beams to process a powdered material. The optical-mechanical assembly includes optical components arranged to receive and direct the one or more incident beams into a location. The rejected energy handling device is configured to reuse beam energy rejected by the one or more energy patterning devices by relaying the rejected beam energy to either or both of an electricity generator and a thermal management system.
B22F 3/24 - After-treatment of workpieces or articles
B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B22F 12/33 - Platforms or substrates translatory in the deposition plane
B22F 12/44 - Radiation means characterised by the configuration of the radiation means
B23K 15/06 - Electron-beam welding or cutting within a vacuum chamber
B23K 26/03 - Observing, e.g. monitoring, the workpiece
B23K 26/08 - Devices involving relative movement between laser beam and workpiece
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B29C 64/386 - Data acquisition or data processing for additive manufacturing
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
B23K 103/00 - Materials to be soldered, welded or cut
B25J 11/00 - Manipulators not otherwise provided for
B28B 1/00 - Producing shaped articles from the material
B29K 105/00 - Condition, form or state of moulded material
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 99/00 - Subject matter not provided for in other groups of this subclass
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
G02B 27/09 - Beam shaping, e.g. changing the cross-sectioned area, not otherwise provided for
An additive manufacturing system including a two-dimensional energy patterning system for imaging a powder bed is disclosed. The two-dimensional energy patterning system may be used to control a state of matter of each successive additive layer. Accordingly, the system may be used to alter the chemical bond arrangement of the material forming the various additive layers.
An additive manufacturing system including a two-dimensional energy patterning system for imaging a powder bed is disclosed. Improved structure formation, part creation and manipulation, use of multiple additive manufacturing systems, and high throughput manufacturing methods suitable for automated or semi-automated factories are also disclosed.
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B23K 15/06 - Electron-beam welding or cutting within a vacuum chamber
B23K 26/03 - Observing, e.g. monitoring, the workpiece
B23K 26/08 - Devices involving relative movement between laser beam and workpiece
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B29C 64/386 - Data acquisition or data processing for additive manufacturing
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
B23K 103/00 - Materials to be soldered, welded or cut
B25J 11/00 - Manipulators not otherwise provided for
B28B 1/00 - Producing shaped articles from the material
B29K 105/00 - Condition, form or state of moulded material
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 99/00 - Subject matter not provided for in other groups of this subclass
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
G02B 27/09 - Beam shaping, e.g. changing the cross-sectioned area, not otherwise provided for
An additive manufacturing system including a two-dimensional energy patterning system for imaging a powder bed is disclosed. Improved structure formation, part creation and manipulation, use of multiple additive manufacturing systems, and high throughput manufacturing methods suitable for automated or semi-automated factories are also disclosed.
B23K 26/064 - Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B22F 3/24 - After-treatment of workpieces or articles
B23K 26/08 - Devices involving relative movement between laser beam and workpiece
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B25J 11/00 - Manipulators not otherwise provided for
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
G02B 27/14 - Beam splitting or combining systems operating by reflection only
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 7/14 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses adapted to interchange lenses
G05B 17/02 - Systems involving the use of models or simulators of said systems electric
B33Y 99/00 - Subject matter not provided for in other groups of this subclass
B33Y 70/00 - Materials specially adapted for additive manufacturing
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B28B 1/00 - Producing shaped articles from the material
B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
A method and an apparatus for collecting powder samples in real-time in powder bed fusion additive manufacturing may involves an ingester system for in-process collection and characterizations of powder samples. The collection may be performed periodically and uses the results of characterizations for adjustments in the powder bed fusion process. The ingester system of the present disclosure is capable of packaging powder samples collected in real-time into storage containers serving a multitude purposes of audit, process adjustments or actions.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
B33Y 99/00 - Subject matter not provided for in other groups of this subclass
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B25J 11/00 - Manipulators not otherwise provided for
G02B 7/14 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses adapted to interchange lenses
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
G05B 17/02 - Systems involving the use of models or simulators of said systems electric
H01S 5/40 - Arrangement of two or more semiconductor lasers, not provided for in groups
B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B22F 12/88 - Handling of additively manufactured products, e.g. by robots
B22F 12/90 - Means for process control, e.g. cameras or sensors
B22F 10/34 - Process control of powder characteristics, e.g. density, oxidation or flowability
B22F 10/36 - Process control of energy beam parameters
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
B23K 26/00 - Working by laser beam, e.g. welding, cutting or boring
B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
B23K 101/00 - Articles made by soldering, welding or cutting
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
2 at a defined two dimensional region of the powder bed. This minimizes adverse laser plasma effects during the process of melting and fusing powder within the defined two dimensional region.
A method of additive manufacture suitable for large and high resolution structures is disclosed. The method may include sequentially advancing each portion of a continuous part in the longitudinal direction from a first zone to a second zone. In the first zone, selected granules of a granular material may be amalgamated. In the second zone, unamalgamated granules of the granular material may be removed. The method may further include advancing a first portion of the continuous part from the second zone to a third zone while (1) a last portion of the continuous part is formed within the first zone and (2) the first portion is maintained in the same position in the lateral and transverse directions that the first portion occupied within the first zone and the second zone.
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B23K 15/06 - Electron-beam welding or cutting within a vacuum chamber
B23K 26/03 - Observing, e.g. monitoring, the workpiece
B23K 26/08 - Devices involving relative movement between laser beam and workpiece
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B25J 11/00 - Manipulators not otherwise provided for
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B29C 64/386 - Data acquisition or data processing for additive manufacturing
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
G05B 17/02 - Systems involving the use of models or simulators of said systems electric
B23K 103/00 - Materials to be soldered, welded or cut
B28B 1/00 - Producing shaped articles from the material
B29K 105/00 - Condition, form or state of moulded material
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
G02B 27/09 - Beam shaping, e.g. changing the cross-sectioned area, not otherwise provided for
G02B 27/14 - Beam splitting or combining systems operating by reflection only
G02B 27/28 - Optical systems or apparatus not provided for by any of the groups , for polarising
A method of additive manufacture is disclosed. The method may include creating, by a 3D printer contained within an enclosure, a part having a weight greater than or equal to 2,000 kilograms. A gas management system may maintain gaseous oxygen within the enclosure atmospheric level. In some embodiments, a wheeled vehicle may transport the part from inside the enclosure, through an airlock, as the airlock operates to buffer between a gaseous environment within the enclosure and a gaseous environment outside the enclosure, and to a location exterior to both the enclosure and the airlock.
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
B33Y 99/00 - Subject matter not provided for in other groups of this subclass
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
G05B 17/02 - Systems involving the use of models or simulators of said systems electric
H01S 5/40 - Arrangement of two or more semiconductor lasers, not provided for in groups
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
An additive manufacturing system can include at least one laser source and a speckle reduction system that receives light from the at least one laser source. The speckle reduction system provides laser light to an optical homogenizer that increases uniformity of laser light and can provide the light to an area patterning system.
An additive manufacturing system can include at least one laser source and a speckle reduction system that receives light from the at least one laser source. The speckle reduction system provides laser light to an optical homogenizer that increases uniformity of laser light and can provide the light to an area patterning system.
A print engine of an additive manufacturing system includes a print station configured to hold a removable cartridge containing powder. A laser engine is positioned to direct a one or two dimensional patterned laser beam into the removable cartridge. In some embodiments powder is produced at least in part with a magnetohydrodynamic system.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
A print engine of an additive manufacturing system includes a print station configured to hold a removable cartridge containing powder. A laser engine is positioned to direct a one or two dimensional patterned laser beam into the removable cartridge. In some embodiments powder is produced at least in part with a magnetohydrodynamic system.
An additive manufacturing system having multiple components includes a high power laser to form a laser beam. A beam dump with a fluid chamber having at least one laser transparent window into which the laser beam is directed is provided. A heat exchanger is connected to the fluid chamber, with the heat exchanger acting to provide useful energy to at least one of the multiple components of the additive manufacturing system. An absorbing fluid can be circulated through both the fluid chamber and the heat exchanger.
An additive manufacturing system having multiple components includes a high power laser to form a laser beam. A beam dump with a fluid chamber having at least one laser transparent window into which the laser beam is directed is provided. A heat exchanger is connected to the fluid chamber, with the heat exchanger acting to provide useful energy to at least one of the multiple components of the additive manufacturing system. An absorbing fluid can be circulated through both the fluid chamber and the heat exchanger.
B29C 64/135 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
43.
Grayscale Area Printing for Additive Manufacturing
An additive manufacturing system includes one or more light sources and one or more light valves that can be written with two-dimensional gray scale patterns that the light valves impose on beams from the one or more light sources to obtain one or more patterned beams. The one or more patterned beams are steered to each area of a plurality of areas on a layer of powder. The two-dimensional gray scale patterns are selected to achieve desired material properties at each pixel position of the patterned beam incident on the layer of powder. The light valves may modulate one or more of amplitude, phase, or coherence. The material properties may include one or more of Young's modulus, porosity, grain size, and crystalline microstructure.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
44.
Dynamic Optical Assembly For Laser-Based Additive Manufacturing
A method and an apparatus of a powder bed fusion additive manufacturing system that enables a quick change in the optical beam delivery size and intensity across locations of a print surface for different powdered materials while ensuring high availability of the system. A dynamic optical assembly containing a set of lens assemblies of different magnification ratios and a mechanical assembly may change the magnification ratios as needed. The dynamic optical assembly may include a transitional and rotational position control of the optics to minimize variations of the optical beam sizes across the print surface.
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
B33Y 99/00 - Subject matter not provided for in other groups of this subclass
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
G05B 17/02 - Systems involving the use of models or simulators of said systems electric
H01S 5/40 - Arrangement of two or more semiconductor lasers, not provided for in groups
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
An additive manufacturing system includes at least two high power lasers to generate beams. A phase patterning unit is used to receive and alter phase of a beam from at least one of the two high power lasers. At least one phase patterned beam can be mixed with another beam at a print the print bed. In some embodiments, beams are moved with respect to the print bed by changes in phase patterns from the phase patterning unit. In other embodiments, phase patterns from the phase patterning unit can be used for simultaneous printing of multiple layers.
B29C 64/277 - Arrangements for irradiation using multiple radiation means, e.g. micromirrors or multiple light-emitting diodes [LED]
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
G02F 1/1334 - Constructional arrangements based on polymer-dispersed liquid crystals, e.g. microencapsulated liquid crystals
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
G02F 1/139 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Part fabrication services to the order and specification of others utilizing 3D printers; providing 3D printing services for others; Treatment of materials, in particular laser treatment of materials, metalworking, metal heat treatment using lasers. Scientific and technological services, namely, new product design and development services, scientific and technological consultation services, and research and product design analysis services relating thereto in the field of custom manufacturing of goods; providing a website featuring technology that enables the user to upload, modify, design, and order customer manufactured parts.
An additive manufacturing system includes at least two high power lasers to generate beams. A phase patterning unit is used to receive and alter phase of a beam from at least one of the two high power lasers. At least one phase patterned beam can be mixed with another beam at a print the print bed. In some embodiments, beams are moved with respect to the print bed by changes in phase patterns from the phase patterning unit. In other embodiments, phase patterns from the phase patterning unit can be used for simultaneous printing of multiple layers.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
A method and an apparatus for collecting powder samples in real-time in powder bed fusion additive manufacturing may involves an ingester system for in-process collection and characterizations of powder samples. The collection may be performed periodically and uses the results of characterizations for adjustments in the powder bed fusion process. The ingester system of the present disclosure is capable of packaging powder samples collected in real-time into storage containers serving a multitude purposes of audit, process adjustments or actions.
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
B33Y 99/00 - Subject matter not provided for in other groups of this subclass
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
G05B 17/02 - Systems involving the use of models or simulators of said systems electric
H01S 5/40 - Arrangement of two or more semiconductor lasers, not provided for in groups
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B28B 1/00 - Producing shaped articles from the material
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G02B 27/09 - Beam shaping, e.g. changing the cross-sectioned area, not otherwise provided for
G02B 27/14 - Beam splitting or combining systems operating by reflection only
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
49.
SYSTEM AND METHOD FOR LARGE-AREA PULSED LASER MELTING OF METALLIC POWDER IN A LASER POWDER BED FUSION APPLICATION
The present disclosure relates to systems and methods for performing large area laser powder bed fusion (LBPF) to form a plurality of layers of a 3D part in a layer-by-layer fashion using meltable powder particles. In one implementation the system makes use of a first light source, which may be a diode laser subsystem, for generating a first light pulse of a first duration. The first light is used to preheat a substrate underneath a new layer of powder particles, wherein the substrate is formed from a previously fused quantity of the powder particles. A second light source, which may be a pulse laser, generates a second light pulse subsequent to the first light pulse. The second light pulse has a second duration shorter than the first duration by a factor of at least about 10, and fully melts the new layer of powder particles in addition to the substrate, to achieve a smooth printed layer. The wavelength of the first light pulse also differs from a wavelength of the second light pulse.
An additive manufacturing system includes a high power laser to form a laser beam directed against a light valve. An active light valve cooling system is arranged to remove heat from the light valve and a heat exchanger is connected to the active light valve cooling system. A heat exchange fluid is circulated through the active light valve cooling system and the heat exchanger.
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
B28B 1/00 - Producing shaped articles from the material
B28B 17/00 - SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER - Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
B29C 67/00 - Shaping techniques not covered by groups , or
The present disclosure relates to systems and methods for performing large area laser powder bed fusion (LBPF) to form a plurality of layers of a 3D part in a layer-by-layer fashion using meltable powder particles. In one implementation the system makes use of a first light source, which may be a diode laser subsystem, for generating a first light pulse of a first duration. The first light is used to preheat a substrate underneath a new layer of powder particles, wherein the substrate is formed from a previously fused quantity of the powder particles. A second light source, which may be a pulse laser, generates a second light pulse subsequent to the first light pulse. The second light pulse has a second duration shorter than the first duration by a factor of at least about 10, and fully melts the new layer of powder particles in addition to the substrate, to achieve a smooth printed layer. The wavelength of the first light pulse also differs from a wavelength of the second light pulse.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
An additive manufacturing system includes a high power laser to form a high fluence laser beam. A 2D patternable light valve having a structure responsive to electron emission is positioned to receive and pattern light received from the high power laser.
An apparatus includes at least one laser source and a print bed. A light valve array having at least three optically addressable light valves is positioned to direct differing images at the print bed. Optics to direct multiple beams derived from the at least one laser source can be positioned to direct light toward and from the optically addressable light valves.
B29C 64/282 - Arrangements for irradiation using multiple radiation means, e.g. micromirrors or multiple light-emitting diodes [LED] of the same type, e.g. using different energy levels
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
An additive manufacturing system includes a high power laser to form a high fluence laser beam at a first wavelength. The systems includes a 2D patternable light valve having a resonance based structure responsive to a write beam.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
An additive manufacturing system includes at least two photoconductor plates attached to a substrate. Each photoconductor plate can include separate the Linear Electro layers and transparent conductive oxide layers.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
An apparatus includes at least one laser source and a print bed. A light valve array having at least three optically addressable light valves is positioned to direct differing images at the print bed. Optics to direct multiple beams derived from the at least one laser source can be positioned to direct light toward and from the optically addressable light valves.
B23K 26/06 - Shaping the laser beam, e.g. by masks or multi-focusing
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
An additive manufacturing system includes a high power laser to form a high fluence laser beam at a first wavelength. A 2D pattemable light valve having a phase change material responsive to a write beam at a second wavelength, and non-responsive at the first wavelength is used to pattern the high fluence laser beam.
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
B23K 26/0622 - Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/282 - Arrangements for irradiation using multiple radiation means, e.g. micromirrors or multiple light-emitting diodes [LED] of the same type, e.g. using different energy levels
An additive manufacturing system includes a high power laser to form a high fluence laser beam. A 2D patternable light valve having a structure responsive to electron emission is positioned to receive and pattern light received from the high power laser.
An additive manufacturing system includes a high power laser to form a high fluence laser beam at a first wavelength. The systems includes a 2D patternable light valve having a resonance based structure responsive to a write beam.
An additive manufacturing system includes a high power laser to form a laser beam directed against a light valve. An active light valve cooling system is arranged to remove heat from the light valve and a heat exchanger is connected to the active light valve cooling system. A heat exchange fluid is circulated through the active light valve cooling system and the heat exchanger.
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B29K 105/00 - Condition, form or state of moulded material
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 70/00 - Materials specially adapted for additive manufacturing
G02B 7/02 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses
An additive manufacturing system includes a high power laser to form a high fluence laser beam at a first wavelength. A 2D patternable light valve having a phase change material responsive to a write beam at a second wavelength, and non-responsive at the first wavelength is used to pattern the high fluence laser beam.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 70/00 - Materials specially adapted for additive manufacturing
B29K 105/00 - Condition, form or state of moulded material
An additive manufacturing system includes at least two photoconductor plates attached to a substrate. Each photoconductor plate can include separate the Linear Electro layers and transparent conductive oxide layers.
An apparatus with first and second transparent conductive oxide layers is described. A photoconductive layer can be positioned between the first and a second transparent conductive oxide layers. The photoconductive layer can be a crystalline layer that can include bismuth silicate or other suitable materials. An electro-optical layer is positioned in contact with the photoconductive layer. In some embodiments the photoconductive layer is positionable to receive a write beam that defines a two-dimensional spatial pattern.
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
An apparatus with first and second transparent conductive oxide layers is described. A photoconductive layer can be positioned between the first and a second transparent conductive oxide layers. The photoconductive layer can be a crystalline layer that can include bismuth silicate or other suitable materials. An electro-optical layer is positioned in contact with the photoconductive layer. In some embodiments the photoconductive layer is positionable to receive a write beam that defines a two-dimensional spatial pattern.
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Part fabrication services to the order and specification of others utilizing 3D printers, namely, custom 3D printing; providing 3D printing services for others; Treatment of materials, in particular laser treatment of materials, metalworking, metal heat treatment using lasers Scientific and technological services, namely, new product design and development services, scientific and technological consultation services, and research and product design analysis services relating thereto in the field of custom manufacturing of goods; providing a website featuring technology that enables the user to upload, modify, design, and order customer manufactured parts
66.
Additive manufacturing, bond modifying system and method
An additive manufacturing system including a two-dimensional energy patterning system for imaging a powder bed is disclosed. The two-dimensional energy patterning system may be used to control a state of matter of each successive additive layer. Accordingly, the system may be used to alter the chemical bond arrangement of the material forming the various additive layers.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
67.
THERMAL COMPENSATION FOR LASER ENERGY DELIVERY FOR ADDITIVE MANUFACTURING
A manufacturing system includes a printer chamber having a printer bed that supports manufacturing materials and an internal heating system supported by the printer chamber. The internal heating systems is configured to direct patterned heat energy onto the printer bed and supported manufacturing materials. An external heating system is supported by or positioned near the printer chamber and configured to direct patterned heat energy onto the printer bed and any supported manufacturing materials.
B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
68.
Thermal compensation insulation for separation of heating and cooling elements in manufacturing systems
A manufacturing system includes a printer chamber having a printer bed that supports manufacturing materials and an internal heating system supported by the printer chamber. The internal heating systems is configured to direct patterned heat energy onto the printer bed and supported manufacturing materials. An external heating system is supported by or positioned near the printer chamber and configured to direct patterned heat energy onto the printer bed and any supported manufacturing materials.
B22F 12/43 - Radiation means characterised by the type, e.g. laser or electron beam frequency modulated
B22F 12/90 - Means for process control, e.g. cameras or sensors
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/273 - Arrangements for irradiation using electron beams [EB] frequency modulated
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
69.
ADDITIVE MANUFACTURING WITH PHOTO-ACOUSTIC TOMOGRAPHY DEFECT TESTING
An additive manufacturing method supporting layer by layer testing includes a layer test including generating a hammer beam using laser light having a first wavelength, generating a read-out beam using laser light having a second wavelength, directing the generated hammer beam toward a first layer on a part to provide an acoustic hammer pulse that induces surface movement of the part, and reading the surface movement of the part using the read-out beam directed to a second position on the part. Layers can be added and the layer test repeated.
A part defect testing system includes a hammer beam system that provides laser light having a first wavelength. A read-out beam system provides laser light having a second wavelength. A control system is used to direct the generated hammer beam laser light toward a first position on a part to provide an acoustic hammer pulse that induces surface movement of the part. An areal camera is arranged to produce an interferogram derived from reading surface movement of the part using the read-out beam directed to a second position on the part.
A part defect testing system includes a hammer beam system that provides laser light having a first wavelength. A read-out beam system provides laser light having a second wavelength. A control system is used to direct the generated hammer beam laser light toward a first position on a part to provide an acoustic hammer pulse that induces surface movement of the part. An areal camera is arranged to produce an interferogram derived from reading surface movement of the part using the read-out beam directed to a second position on the part.
An additive manufacturing method supporting layer by layer testing includes a layer test including generating a hammer beam using laser light having a first wavelength, generating a read-out beam using laser light having a second wavelength, directing the generated hammer beam toward a first layer on a part to provide an acoustic hammer pulse that induces surface movement of the part, and reading the surface movement of the part using the read-out beam directed to a second position on the part. Layers can be added and the layer test repeated.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 50/00 - Data acquisition or data processing for additive manufacturing
B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
A print engine of an additive manufacturing system includes a print station configured to hold a removable cartridge. A laser engine including a frame can be positioned to hold at least one removable field replaceable unit that includes at least some laser optics or patterning optics. An optical alignment system can be attached to at least one of the print station or the laser engine to align the field replaceable unit with respect to the removable cartridge.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B29C 64/259 - Enclosures for the building material, e.g. powder containers interchangeable
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B23K 26/02 - Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
A print engine of an additive manufacturing system includes a print station configured to hold a removable cartridge. A laser engine including a frame can be positioned to hold at least one removable field replaceable unit that includes at least some laser optics or patterning optics. An optical alignment system can be attached to at least one of the print station or the laser engine to align the field replaceable unit with respect to the removable cartridge.
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B22F 12/41 - Radiation means characterised by the type, e.g. laser or electron beam
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
A cartridge for a manufacturing system includes a sealable chamber having a bed and a laser transparent window. A powder hopper can be positioned within the sealable chamber. A powder spreader is positioned within the sealable chamber for distributing powder from the powder hopper onto the bed.
B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
A cartridge for a manufacturing system includes a sealable chamber having a bed and a laser transparent window. A powder hopper can be positioned within the sealable chamber. A powder spreader is positioned within the sealable chamber for distributing powder from the powder hopper onto the bed.
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B22F 12/90 - Means for process control, e.g. cameras or sensors
B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
A print engine of an additive manufacturing system includes a print station configured to hold a removable cartridge. A laser engine including a frame can be positioned to hold at least one removable field replaceable unit that includes at least some laser optics or patterning optics. An optical alignment system can be attached to at least one of the print station or the laser engine to align the field replaceable unit with respect to the removable cartridge.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/259 - Enclosures for the building material, e.g. powder containers interchangeable
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B23K 26/02 - Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
Additive manufacturing can involve dispensing a powdered material to form a layer of a powder bed on a support surface of a build platform. A portion of the layer of the powder bed may be selectively melted or fused to form one or more temporary walls out of the fused portion of the layer of the powder bed to contain another portion of the layer of the powder bed on the build platform.
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B23K 15/06 - Electron-beam welding or cutting within a vacuum chamber
B23K 26/03 - Observing, e.g. monitoring, the workpiece
B23K 26/08 - Devices involving relative movement between laser beam and workpiece
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B25J 11/00 - Manipulators not otherwise provided for
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
G05B 17/02 - Systems involving the use of models or simulators of said systems electric
B23K 103/00 - Materials to be soldered, welded or cut
B28B 1/00 - Producing shaped articles from the material
B29K 105/00 - Condition, form or state of moulded material
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
G02B 27/09 - Beam shaping, e.g. changing the cross-sectioned area, not otherwise provided for
G02B 27/14 - Beam splitting or combining systems operating by reflection only
G02B 27/28 - Optical systems or apparatus not provided for by any of the groups , for polarising
In one embodiment a laser amplifier includes a light pump source that can generate light at a first wavelength or range of wavelengths. The laser amplifier further includes an optically pumped laser amplifier having a gain medium that amplifies light at a second wavelength or range of wavelengths in response to receiving generated light from the light pump source. A housing is used to at least partially surround the gain medium and hold a coolant fluid able to absorb the second wavelength or range of wavelengths.
In one embodiment a manufacturing method involves generating laser light at a first wavelength or range of wavelengths. A laser amplifier having a gain medium that amplifies light at a second wavelength or range of wavelengths can be optically pumped in response to receiving the generated laser light. The gain medium is cooled with a coolant fluid able to absorb the second wavelength or range of wavelengths and the generated and amplified laser light is directed toward an article processing unit.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B23K 26/146 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing a liquid
In one embodiment a manufacturing method involves generating laser light at a first wavelength or range of wavelengths. A laser amplifier having a gain medium that amplifies light at a second wavelength or range of wavelengths can be optically pumped in response to receiving the generated laser light. The gain medium is cooled with a coolant fluid able to absorb the second wavelength or range of wavelengths and the generated and amplified laser light is directed toward an article processing unit.
B29C 64/20 - Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering - Details thereof or accessories therefor
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
A method and an apparatus for additive manufacturing pertaining to high efficiency, energy beam patterning and beam steering to effectively and efficiently utilize the source energy. In one embodiment recycling and reuse of unwanted light includes a source of multiple light patterns produced by one or more light valves, with at least one of the multiple light patterns being formed from rejected patterned light. An image relay is used to direct the multiple light patterns, and a beam routing system receives the multiple light patterns and respectively directs them toward defined areas on a powder bed.
B29C 64/282 - Arrangements for irradiation using multiple radiation means, e.g. micromirrors or multiple light-emitting diodes [LED] of the same type, e.g. using different energy levels
B29C 64/268 - Arrangements for irradiation using electron beams [EB]
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
40 - Treatment of materials; recycling, air and water treatment,
41 - Education, entertainment, sporting and cultural services
42 - Scientific, technological and industrial services, research and design
Goods & Services
3D printers; machines for manufacturing metal products. Part fabrication services to the order and specification of others utilizing 3D printers; providing 3D printing services for others; Treatment of materials, in particular laser treatment of materials, metalworking, metal heat treatment using lasers. Providing technical training, namely, conducting classes, courses, workshops and seminars in the field of laser treatment of materials; arranging and conducting seminars, conferences, training courses and specialist lectures all in the field of laser treatment of materials. Scientific and technological services, namely, new product design and development services, scientific and technological consultation services, and research and product design analysis services relating thereto in the field of custom manufacturing of goods; providing a website featuring technology that enables the user to upload, modify, design, and order customer manufactured parts.
41 - Education, entertainment, sporting and cultural services
Goods & Services
3D printers; 3d printers for manufacturing metal Providing technical training, namely, conducting classes, courses, workshops and seminars in the field of laser treatment of materials; arranging and conducting seminars, conferences, training courses and specialist lectures all in the field of laser treatment of materials
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Part fabrication services to the order and specification of others utilizing 3D printers, namely, custom 3D printing; providing 3D printing services for others; Treatment of materials, in particular laser treatment of materials, metalworking, metal heat treatment using lasers Scientific and technological services, namely, new product design and development services, scientific and technological consultation services, and research and product design analysis services relating thereto in the field of custom manufacturing of goods; providing a website featuring technology that enables the user to upload, modify, design, and order customer manufactured parts
An apparatus and a method for powder bed fusion additive manufacturing involve a multiple-chamber design achieving a high efficiency and throughput. The multiple-chamber design features concurrent printing of one or more print jobs inside one or more build chambers, side removals of printed objects from build chambers allowing quick exchanges of powdered materials, and capabilities of elevated process temperature controls of build chambers and post processing heat treatments of printed objects. The multiple-chamber design also includes a height-adjustable optical assembly in combination with a fixed build platform method suitable for large and heavy printed objects. A side removal mechanism of the build chambers of the apparatus improves handling and efficiency for printing large and heavy objects. Use of a wide range of sensors in the apparatus and by the method allows various feedback to improve quality, manufacturing throughput, and energy efficiency.
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B22F 12/17 - Auxiliary heating means to heat the build chamber or platform
B22F 12/44 - Radiation means characterised by the configuration of the radiation means
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
B33Y 99/00 - Subject matter not provided for in other groups of this subclass
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B25J 11/00 - Manipulators not otherwise provided for
G02B 7/14 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses adapted to interchange lenses
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
G05B 17/02 - Systems involving the use of models or simulators of said systems electric
H01S 5/40 - Arrangement of two or more semiconductor lasers, not provided for in groups
B22F 12/88 - Handling of additively manufactured products, e.g. by robots
B22F 12/90 - Means for process control, e.g. cameras or sensors
B22F 10/34 - Process control of powder characteristics, e.g. density, oxidation or flowability
B22F 10/36 - Process control of energy beam parameters
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
B23K 26/00 - Working by laser beam, e.g. welding, cutting or boring
B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
B23K 101/00 - Articles made by soldering, welding or cutting
A method of additive manufacture is disclosed. The method may include restricting, by an enclosure, an exchange of gaseous matter between an interior of the enclosure and an exterior of the enclosure. The method may further include running multiple machines within the enclosure. Each of the machines may execute its own process of additive manufacture. While the machines are running, a gas management system may maintain gaseous oxygen within the enclosure at or below a limiting oxygen concentration for the interior.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
B33Y 99/00 - Subject matter not provided for in other groups of this subclass
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B25J 11/00 - Manipulators not otherwise provided for
G02B 7/14 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses adapted to interchange lenses
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
G05B 17/02 - Systems involving the use of models or simulators of said systems electric
H01S 5/40 - Arrangement of two or more semiconductor lasers, not provided for in groups
B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B22F 12/88 - Handling of additively manufactured products, e.g. by robots
B22F 12/90 - Means for process control, e.g. cameras or sensors
B22F 10/34 - Process control of powder characteristics, e.g. density, oxidation or flowability
B22F 10/36 - Process control of energy beam parameters
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
B23K 26/00 - Working by laser beam, e.g. welding, cutting or boring
B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
B23K 101/00 - Articles made by soldering, welding or cutting
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
A method and an apparatus involve applying a pattern on an addressable patternable cathode unit. The cathode unit is stimulated to emit an electron beam pattern. A patterned image in the electron beam pattern is positioned to a desired position such directly to as a powder bed for additive manufacturing or to an electron beam addressed light valve for controlling spatial patterns on an optical signal for powder bed manufacturing.
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
A method of additive manufacture is disclosed. The method may include creating, by a 3D printer contained within an enclosure, a part having a weight greater than or equal to 2,000 kilograms. A gas management system may maintain gaseous oxygen within the enclosure atmospheric level. In some embodiments, a wheeled vehicle may transport the part from inside the enclosure, through an airlock, as the airlock operates to buffer between a gaseous environment within the enclosure and a gaseous environment outside the enclosure, and to a location exterior to both the enclosure and the airlock.
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
B33Y 99/00 - Subject matter not provided for in other groups of this subclass
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
G05B 17/02 - Systems involving the use of models or simulators of said systems electric
H01S 5/40 - Arrangement of two or more semiconductor lasers, not provided for in groups
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B28B 1/00 - Producing shaped articles from the material
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G02B 27/09 - Beam shaping, e.g. changing the cross-sectioned area, not otherwise provided for
G02B 27/14 - Beam splitting or combining systems operating by reflection only
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
90.
Long and high resolution structures formed by additive manufacturing techniques
A method of additive manufacture suitable for large and high resolution structures is disclosed. The method may include sequentially advancing each portion of a continuous part in the longitudinal direction from a first zone to a second zone. In the first zone, selected granules of a granular material may be amalgamated. In the second zone, unamalgamated granules of the granular material may be removed. The method may further include advancing a first portion of the continuous part from the second zone to a third zone while (1) a last portion of the continuous part is formed within the first zone and (2) the first portion is maintained in the same position in the lateral and transverse directions that the first portion occupied within the first zone and the second zone.
B29C 64/386 - Data acquisition or data processing for additive manufacturing
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
B33Y 99/00 - Subject matter not provided for in other groups of this subclass
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
G05B 17/02 - Systems involving the use of models or simulators of said systems electric
H01S 5/40 - Arrangement of two or more semiconductor lasers, not provided for in groups
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B28B 1/00 - Producing shaped articles from the material
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G02B 27/09 - Beam shaping, e.g. changing the cross-sectioned area, not otherwise provided for
G02B 27/14 - Beam splitting or combining systems operating by reflection only
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
91.
Light recycling for additive manufacturing optimization
A method and an apparatus pertaining to recycling and reuse of unwanted light in additive manufacturing can multiplex multiple beams of light including at least one or more beams of light from one or more light sources. The multiple beams of light may be reshaped and blended to provide a first beam of light. A spatial polarization pattern may be applied on the first beam of light to provide a second beam of light. Polarization states of the second beam of light may be split to reflect a third beam of light, which may be reshaped into a fourth beam of light. The fourth beam of light may be introduced as one of the multiple beams of light to result in a fifth beam of light.
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
B22F 3/24 - After-treatment of workpieces or articles
B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
B22F 10/34 - Process control of powder characteristics, e.g. density, oxidation or flowability
B22F 10/36 - Process control of energy beam parameters
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B23K 15/06 - Electron-beam welding or cutting within a vacuum chamber
B23K 26/03 - Observing, e.g. monitoring, the workpiece
B23K 26/08 - Devices involving relative movement between laser beam and workpiece
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B25J 11/00 - Manipulators not otherwise provided for
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
G05B 17/02 - Systems involving the use of models or simulators of said systems electric
B23K 103/00 - Materials to be soldered, welded or cut
B28B 1/00 - Producing shaped articles from the material
B29K 105/00 - Condition, form or state of moulded material
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
G02B 27/09 - Beam shaping, e.g. changing the cross-sectioned area, not otherwise provided for
G02B 27/14 - Beam splitting or combining systems operating by reflection only
G02B 27/28 - Optical systems or apparatus not provided for by any of the groups , for polarising
An additive manufacturing system including a two-dimensional energy patterning system for imaging a powder bed is disclosed. Improved optical systems supporting beam combining, beam steering, and both patterned and unpatterned beam recycling and re-use are described.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
B33Y 99/00 - Subject matter not provided for in other groups of this subclass
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B25J 11/00 - Manipulators not otherwise provided for
G02B 7/14 - Mountings, adjusting means, or light-tight connections, for optical elements for lenses adapted to interchange lenses
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
G05B 17/02 - Systems involving the use of models or simulators of said systems electric
H01S 5/40 - Arrangement of two or more semiconductor lasers, not provided for in groups
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
B23K 26/00 - Working by laser beam, e.g. welding, cutting or boring
B23K 26/082 - Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
B23K 101/00 - Articles made by soldering, welding or cutting
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B28B 1/00 - Producing shaped articles from the material
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G02B 27/09 - Beam shaping, e.g. changing the cross-sectioned area, not otherwise provided for
G02B 27/14 - Beam splitting or combining systems operating by reflection only
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
93.
ADDITIVE MANUFACTURING SYSTEM USING A PULSE MODULATED LASER FOR TWO-DIMENSIONAL PRINTING
A method of additive manufacture is disclosed. The method may include providing a powder bed and directing a shaped laser beam pulse train consisting of one or more pulses and having a flux greater than 20 kW/cm2 at a defined two dimensional region of the powder bed. This minimizes adverse laser plasma effects during the process of melting and fusing powder within the defined two dimensional region.
A method of additive manufacture is disclosed. The method may include providing a powder bed and directing a shaped laser beam pulse train consisting of one or more pulses and having a flux greater than 20 kW/cm2 at a defined two dimensional region of the powder bed. This minimizes adverse laser plasma effects during the process of melting and fusing powder within the defined two dimensional region.
2 at a defined two dimensional region of the powder bed. This minimizes adverse laser plasma effects during the process of melting and fusing powder within the defined two dimensional region.
A method of additive manufacture is disclosed. The method can include providing an enclosure surrounding a powder bed and having an atmosphere including helium gas. A high flux laser beam is directed at a defined two dimensional region of the powder bed. Powder is melted and fused within the defined two dimensional region, with less than 50% by weight of the powder particles being displaced into any defined two dimensional region that shares an edge or corner with the defined two dimensional region where powder melting and fusing occurs.
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B22F 10/28 - Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
B22F 10/31 - Calibration of process steps or apparatus settings, e.g. before or during manufacturing
B22F 10/32 - Process control of the atmosphere, e.g. composition or pressure in a building chamber
B22F 12/41 - Radiation means characterised by the type, e.g. laser or electron beam
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/14 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
A method of additive manufacture is disclosed. The method can include providing an enclosure surrounding a powder bed and having an atmosphere including helium gas. A high flux laser beam is directed at a defined two dimensional region of the powder bed. Powder is melted and fused within the defined two dimensional region, with less than 50% by weight of the powder particles being displaced into any defined two dimensional region that shares an edge or corner with the defined two dimensional region where powder melting and fusing occurs.
A method and an apparatus for collecting powder samples in real-time in powder bed fusion additive manufacturing may involves an ingester system for in-process collection and characterizations of powder samples. The collection may be performed periodically and uses the results of characterizations for adjustments in the powder bed fusion process. The ingester system of the present disclosure is capable of packaging powder samples collected in real-time into storage containers serving a multitude purposes of audit, process adjustments or actions.
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
B33Y 99/00 - Subject matter not provided for in other groups of this subclass
B23K 26/12 - Working by laser beam, e.g. welding, cutting or boring in a special environment or atmosphere, e.g. in an enclosure
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
B23K 26/144 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
G02B 7/182 - Mountings, adjusting means, or light-tight connections, for optical elements for mirrors for mirrors
G02B 15/04 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by changing a part
G02B 15/10 - Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
G02F 1/01 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
G02F 1/135 - Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
G05B 17/02 - Systems involving the use of models or simulators of said systems electric
H01S 5/40 - Arrangement of two or more semiconductor lasers, not provided for in groups
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B22F 10/00 - Additive manufacturing of workpieces or articles from metallic powder
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B28B 1/00 - Producing shaped articles from the material
G02B 26/08 - Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G02B 27/09 - Beam shaping, e.g. changing the cross-sectioned area, not otherwise provided for
G02B 27/14 - Beam splitting or combining systems operating by reflection only
G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,
09 - Scientific and electric apparatus and instruments
40 - Treatment of materials; recycling, air and water treatment,
41 - Education, entertainment, sporting and cultural services
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) 3D printers; 3D printers for manufacturing metal products
(2) Computer aided manufacturing (CAM) software for 3D printers and for metal manufacturing machines; computer programs recorded on data media (software) designed for use in construction and automated manufacturing (cad/cam) (1) Part fabrication services to the order and specification of others utilizing 3D printers, namely, 3D printing; providing 3D printing services for others; Treatment of materials, in particular laser bean treatment of materials, metalworking, metal heat treatment using laser beams
(2) Providing technical training, namely, conducting classes, courses, workshops and seminars in the field of laser treatment of materials; arranging and conducting seminars, educational conferences, training courses and specialist lectures all in the field of laser treatment of materials
(3) Scientific and technological services, namely, new product design and development services, scientific and technological consultation services, and research and product design analysis services relating thereto in the field of custom manufacturing of goods; providing a website featuring technology that enables the user to upload, modify, design, and order custom-manufactured parts on the Internet
09 - Scientific and electric apparatus and instruments
40 - Treatment of materials; recycling, air and water treatment,
41 - Education, entertainment, sporting and cultural services
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) 3D printers; 3D printers for manufacturing metal products
(2) Computer aided manufacturing (CAM) software for 3D printers and for metal manufacturing machines; computer programs recorded on software designed for use in construction and automated manufacturing (cad/cam) (1) Part fabrication services to the order and specification of others utilizing 3D printers, namely, 3D printing; providing 3D printing services for others; Treatment of materials, in particular laser beam treatment of metal materials, metalworking, metal heat treatment using laser beams
(2) Providing technical training, namely, conducting classes, courses, workshops and seminars in the field of laser treatment of materials; arranging and conducting seminars, educational conferences, training courses and specialist lectures all in the field of laser treatment of materials
(3) Scientific and technological services, namely, new product design and development services, scientific and technological consultation services, and research and product design analysis services in the field of custom manufacturing of 3D printed goods for others; hosting a website featuring technology that enables the user to upload, modify, design, and order custom-manufactured parts on the Internet
