The present invention relates to a system (10) for interferometrically measuring a distance between a reference surface (20) and a target surface (22); comprising a tunable radiation source (12) for generating a coherent radiation emission having a wavelength as a function of a modulation parameter; a control module (14) configured to control the modulation parameter such that the wavelength of the generated radiation emission is modulated periodically between a first and a second reference wavelength; an interferometer module (16) configured to generate a first reflection at the reference surface (20) on the basis of a first part of the radiation emission and to generate a second reflection at the target surface (22) on the basis of a second part of the radiation emission, such that an interference signal is generated by way of the first reflection and the second reflection; a detector module (26) configured to capture the interference signal; and an evaluation module (28) configured to perform a phase measurement between the first and the second reference wavelengths on the basis of the captured interference signal and to determine the distance between the reference surface (20) and the target surface (22) on the basis of the phase measurement. The invention also relates to a corresponding method.
G01B 9/02004 - Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies using frequency scans
G01B 9/02055 - Reduction or prevention of errorsTestingCalibration
The present invention relates to a method for measuring the dielectric properties of a sample with a scanning probe microscope. In particular, the invention relates to highly-localized optical imaging and spectroscopy on a sample surface using an atomic force microscope (AFM) probe mechanically driven at two oscillation frequencies, referred to herein as “active bimodal operation”, and a modulated source of electromagnetic radiation.
A system for providing a magnetic field for a sample includes a first contact surface for thermally contacting the sample and a second contact surface, which is in thermal contact with at least one magnetic element.
G01R 33/3815 - Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor
G02F 1/09 - 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 modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour based on magneto-optical elements, e.g. exhibiting Faraday effect
6.
ACTIVE BIMODAL AFM OPERATION FOR MEASUREMENTS OF OPTICAL INTERACTION
The present invention relates to a method for measuring the dielectric properties of a sample with a scanning probe microscope. In particular, the invention relates to highly-localized optical imaging and spectroscopy on a sample surface using an atomic force microscope (AFM) probe mechanically driven at two oscillation frequencies, referred to herein as "active bimodal operation", and a modulated source of electromagnetic radiation.
An electromechanical actuator includes a base part and an oscillation resonator having the shape of a rod. The electromechanical actuator further includes amount for mounting the oscillation resonator to the base part. The mount is configured to bear the oscillation resonator so as to be rotatable around an axis of the oscillation resonator rod relative to the base part. A driver member is mechanically coupled to the oscillation resonator. A slider or a rotator is configured to be moved by the driver member when the oscillation resonator is excited.
H02N 2/00 - Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
H02N 2/02 - Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuatorsLinear positioners
H02N 2/10 - Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
H01L 41/083 - Piezo-electric or electrostrictive elements having a stacked or multilayer structure
The invention relates to a table having a tabletop and including a refrigerating machine, at least one section of the tabletop being coolable by means of the refrigerating machine via a thermal contact; an upper vacuum chamber, which can be evacuated, for thermally insulating the thermal contact from a surrounding area of the table, said chamber connecting an upper face of the refrigerating machine facing the tabletop and the section to be cooled, and which has at least one flexible upper chamber section; a lower vacuum chamber, which can be evacuated, which is connected to a lower face of the refrigerating machine facing away from the tabletop, and which has at least one flexible lower chamber section; and a rigid stiffening structure, which is connected to the refrigerating machine via the flexible upper chamber section and via the flexible lower chamber section.
Disclosed is a stick-slip drive comprising a base and a rotor which are in contact with one another via a friction surface and are coupled to one another in such a way that the rotor can perform an inertial motion relative to the base, characterized in that two materials, a noble metal and a ceramic material, are paired up on the friction surface between the base and the rotor.
H02N 2/02 - Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuatorsLinear positioners
H02N 2/00 - Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
The invention relates to a coolable optical table with a table top and at least three table legs. Securing means for securing objects such as optical elements are provided in a table surface of the table top. The table legs are equipped with a damping device for damping vibrations.
F25B 9/14 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
F25B 19/00 - Machines, plants or systems, using evaporation of a refrigerant but without recovery of the vapour
F25B 21/00 - Machines, plants or systems, using electric or magnetic effects
F25D 19/00 - Arrangement or mounting of refrigeration units with respect to devices
G01M 11/00 - Testing of optical apparatusTesting structures by optical methods not otherwise provided for
G01B 11/02 - Measuring arrangements characterised by the use of optical techniques for measuring length, width, or thickness
G01B 11/14 - Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
An electromechanical actuator includes an oscillation resonator having the shape of a rod. The oscillation resonator is divided by a dividing plane that is not parallel to the longitudinal direction of the oscillation resonator into a first resonator portion and a second resonator portion. At least the first resonator portion includes electromechanical means which, when activated, are configured to generate a 3-dimensional acoustic bulk wave are with a mode shape asymmetric with respect to the dividing plane.
H02N 2/00 - Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
H02N 2/02 - Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuatorsLinear positioners
H02N 2/10 - Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
F04B 19/00 - Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups
H01L 41/083 - Piezo-electric or electrostrictive elements having a stacked or multilayer structure
The invention relates to a table (1) having a tabletop (9) and comprising - a refrigerating machine (20), at least one section (10) of the tabletop (9) being coolable by means of the refrigerating machine (20) via a thermal contact (22); - an upper vacuum chamber (50), which can be evacuated, for thermally insulating the thermal contact (22) from a surrounding area (100) of the table (1), said chamber connecting an upper face (26) of the refrigerating machine (20) facing the tabletop (9) and the section (10) to be cooled, and which has at least one flexible upper chamber section (51); - a lower vacuum chamber (60), which can be evacuated, which is connected to a lower face (27) of the refrigerating machine (20) facing away from the tabletop (9), and which has at least one flexible lower chamber section (61); and - a rigid stiffening structure (30), which is connected to the refrigerating machine (20) via the flexible upper chamber section (51) and via the flexible lower chamber section (61).
The invention relates to coolable optical table (1) comprising a table top (9) and at least one table leg. The surface of the table top is provided with securing means for securing objects such as optical elements. The table legs are provided with a damping device (5) for damping vibrations.
Disclosed is a stick-slip drive comprising a base and a rotor which are in contact with one another via a friction surface and are coupled to one another in such a way that the rotor can perform an inertial motion relative to the base, characterized in that two materials, a noble metal and a ceramic material, are paired up on the friction surface between the base and the rotor.
H02N 2/02 - Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuatorsLinear positioners
H02N 2/00 - Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
16.
INTERFEROMETRIC DISPLACEMENT SENSOR FOR INTEGRATION INTO MACHINE TOOLS AND SEMICONDUCTOR LITHOGRAPHY SYSTEMS
The invention relates to an interferometer (10) for real-time measurement of absolute distances and/or relative position movements between a first and a second machine part, comprising a measurement unit (20) and a reflector unit (40). The measurement unit (20) comprises a housing (21) having at least one wall that consists of a heat-conducting material, a plurality of measurement elements being arranged inside the housing (21). Said measurement elements comprise: a laser source (22), a Peltier element (24) and a digital control (23), and are thermally coupled to the wall of the housing (21) that consists of a heat-conducting material.
G01B 21/16 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance or clearance between spaced objects
The present invention relates to a method for measuring the near-field signal of a sample in a scattering type near-field microscope and to a device for conducting said method.
The invention relates to a retarding device (1), in particular a retarding device (1) for mechanically detecting an overload and retarding a drive output when an overload is detected, comprising: an overload clutch, which comprises a drive element (3) and an output element (5), in order to connect a drive to a drive output for torque transmission, wherein the drive element (3) and the output element (5) are designed to execute a rotary relative movement in the event of an overload; a brake, which can be connected detachably via a brake coupling to the output element (5) for torque transmission; and a conversion device, which is designed to convert the rotary relative movement of the drive element (3) and output element (5) of the overload clutch mechanically into an engagement movement of the brake coupling, wherein the conversion device comprises a conversion element (15), which passes through the output element (5) and through the drive element (3).
The invention concerns a tooth carrier (1), in particular for receiving a plurality of tooth segments of a gear, in particular a coaxial gear, the tooth carrier (1) comprising: a tooth cage (3) comprising radial tooth guides (5) for guiding a plurality of tooth segments, the tooth cage (3) comprising plastics or the tooth cage (3) being produced in an injection moulding method.
F16H 25/06 - Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying rotary motion with intermediate members guided along tracks on both rotary members
A device for absolute distance measurement includes a first tunable light source for emitting a first wavelength light of a first tunable frequency modulated by a first modulating frequency and a second light source for emitting a second wavelength light of a second frequency modulated by a second modulating frequency. An optical coupler couples the first wavelength light and the second wavelength light into an interferometer cavity. An interferometer detector provides an interference measurement signal based on a detected interference pattern. A demodulator unit generates a first demodulation signal based on the interference measurement signal by demodulation with the first modulating frequency and a second demodulation signal based on the interference measurement signal by demodulation with the second modulating frequency. A computation unit computes an absolute distance by evaluating the first demodulation signal acquired during a sweep of the first tunable frequency and the second demodulation signal.
The present invention relates to a method for measuring the near-field signal of a sample in a scattering type near-field microscope and to a device for conducting said method.
The invention relates to a device (1) for determining bone states, in particular bone density and/or bone elasticity, comprising at least one ultrasonic transmitter (2) and at least one ultrasonic receiver (3), which are arranged on the bone (7) to be examined, and a loading apparatus (6) for accommodating the bone (7) and/or a body containing the bone (7), wherein the loading apparatus (6) can load the bone to be examined and relieve the load on the bone (7) to be examined in alternation, and wherein the loading apparatus (6), the ultrasonic transmitter (2), and/or the ultrasonic receiver (3) are connected indirectly or directly to a common control apparatus (5). The invention further relates to a method for operating said device (1), comprising at least the following steps: carrying out a sound wave propagation-time measurement with regard to at least one sound wave frequency by means of the ultrasonic transmitter (2) and the ultrasonic receiver (3); and simultaneously loading the bone and relieving the load on the bone (7) in alternation while carrying out the sound wave propagation-time measurement.
The invention relates to a device for conducting near-field optical measurements of a specimen, a method for conducting near-field optical measurements and the use of the device.
Device and method for acquiring position with a confocal Fabry-Perot interferometer. In a general aspect, the device for acquiring position may include an arrangement for acquiring position where the acquiring arrangement has a confocal Fabry-Perot interferometer. In another general aspect, a method for acquiring position may include generating an interference pattern dependent on a position of an object by a confocal Fabry-Perot interferometer; detecting the interference pattern to obtain a measuring signal; and evaluating the measuring signal.
The invention relates to a device for conducting near-field optical measurements of a specimen comprising an optical imaging system, the use of such device and to a method for adjusting the probe or the illumination of the probe in such a device.
An apparatus for position finding, including a light source to produce a wave field in a measurement section, a wave field variation device to generate a variation of a wavelength of the wave field over time, an interferometer to produce an interference pattern for the wave field which is dependent on the length of the measurement section, a detector to produce a measurement signal on the basis of the detected interference pattern, and an evaluation circuit to evaluate the measurement signal on the basis of the variation over time.
The invention relates to a device for conducting near-field optical measurements of a specimen, a method for conducting near-field optical measurements and the use of the device.
The invention relates to a locking device (04, 45) for fixing a package (02, 46) in the loading room (03) of an aircraft (01), wherein the locking device has a locking element (08, 47) which engages, particularly in a fixing recess (09), for the purpose of fixing the package, and wherein the locking element can be adjusted between a locking position, in which the locking element engages in a fixing manner, and a non-engaged position, in which the locking element is not engaged, and wherein the locking element is pretensioned in the locking position by a mechanical tensioning device (15, 55), and wherein if the load on the locking element exceeds a prespecified threshold, the locking device is automatically released and the locking element automatically moves to the non-engaged position, wherein the locking element can be displaced along a first displacement path section (27) between the locking position (29) and a release position (30), and subsequently along a second displacement path section (28) between the release position (30) and the non-engaged position (33), wherein the locking element engages with the package in a fixing manner along the first displacement path section, and wherein the locking element disengages along the second displacement path section, and wherein the pretensioning device applies a fixing force (26) along the first displacement path section to the release position with a substantially constant force progression corresponding to the load threshold.
In a drive unit having at least one transmission stage (Ü) and one drive element (4) for driving with high power density, having a drive element (4), and element (8), and an output element (14), wherein a translation and transmission of a drive torque occurs between the drive element (4) and the output element (14) via a plurality of radially movable toothed segments (10), the drive element (4) is to be embodied as an electrical drive for the transmission stage (Ü).
F16H 25/06 - Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying rotary motion with intermediate members guided along tracks on both rotary members
In the case of an apparatus for measurement of parameters, in particular strains, temperatures, concentration and composition of gases, magnetic or electrical fields having a structure element (1), the structure element (1) is intended to be formed essentially from plastic and to be at least partially in the form of a sensor structure (9).
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
G01L 1/22 - Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluidsMeasuring force or stress, in general by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
The invention relates to a device for position detection, comprising a length measurement (102) applied to a measured section and a length measurement variation unit (B) for the temporal variation of the length measurement. A detector (108) observes the length measurement (102) as a function of the measured section length and variation, and generates a measurement signal. Said measurement signal is evaluated as a function of the temporal variation of the length measurement.
The invention relates to a modular spindle unit for forming a multispindle machining head (36, 47, 49) for a machine tool, wherein the spindle unit (01, 30, 54) comprises at least one drive spindle (02) to which a tool (37) or tool carrier (51, 52) can be attached, and wherein the spindle unit (01, 30, 54) comprises a module housing (08, 31) in which the drive spindle (02) is mounted such that it can rotate freely and be axially displaced. Together with further module housings (08, 31), the module housing (08, 31) can be fastened to the machining head (36, 47, 49), wherein the spindle unit (01, 30, 54) comprises at least one drive motor (03) which can be used to drive an associated drive spindle (02) in rotation, and wherein the centre axis of the drive motor (03) and the centre axis of the drive spindle (02) run coaxially and define a centre axis (07) of the unit. The spindle unit (01, 30, 54) comprises at least one axial actuating device (05) which can be used to axially drive an associated drive spindle (02) in the direction of the centre axis (07) of the unit, wherein the centre axis of at least one axial actuating device (05) and the centre axis (07) of the unit run coaxially. The drive motor (03) is mounted in the module housing (08, 31) such that it can be displaced axially, and may be axially displaced in the module housing (08, 31) by the axial actuating device (05), together with the drive spindle (02), being driven along the centre axis (07) of the unit.
The invention relates to a device for transporting freight, especially freight containers in the cargo compartments of aircraft, especially to a power drive unit (PDU) having a drive roller (5) received in a frame (1) and a lifting unit (6). The invention is characterized in that the lifting unit (6) comprises at least one drive unit (9) for lifting the drive roller (5) on both sides.
The invention relates to a device for transporting freight, especially freight containers in the cargo compartments of aircraft, especially to a power drive unit (PDU) having a drive roller (3) received in a frame (1). The invention is characterized in that the at least one drive roller (3) carrying the drive roll (4) placed thereon is mounted so as to be pivoted relative to the frame for the purpose of replacing the drive roll (4).
The invention relates to a coaxial transmission, especially a hollow shaft drive, comprising a driving element (7) and a driven element (3), a plurality of radially mobile toothed quadrants (5) providing a gear ratio and transmitting a driving torque between the driving element (7) and the driven element (3). According to the invention, an internal gear (1) or especially the housing for receiving the inner gearing of the internal gear (13) are configured as a multipart structure.
F16H 25/06 - Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying rotary motion with intermediate members guided along tracks on both rotary members
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
The invention relates to a method for optimally operating mechanically loaded, moved, particularly rotating components, such as gearboxes, wherein in the operating stage damage accumulation is used to evaluate the influence of a collective load on the lifespan of the loaded rotating components, the moving components (1) being divided into a plurality of segments (5 - 10) for determining individual collective loads (6; 18).
The invention relates to a coaxial transmission, especially a hollow shaft transmission for industrial drive engineering, having a high power density. Said transmission comprises an input element (7), an element (3) and an output element, a drive torque being multiplied and transmitted between the input element (7) and the output element via a plurality of radially mobile toothed sections (5). The invention is characterized in that the at least one toothed section (5) has a bearing element (11) which is enlarged in its effective zone with respect to an input element (7).
F16H 25/06 - Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying rotary motion with intermediate members guided along tracks on both rotary members
The invention relates to a transmission, especially a coaxial transmission or hollow shaft transmission for industrial drive engineering, having a high power density. Said transmission comprises an input element (7), an element (3) and an output element, a drive torque being multiplied and transmitted between the input element (7) and the output element via a plurality of radially mobile toothed sections (5). The invention is characterized in that individual or a plurality of toothed sections (5) is/are juxtaposed in an axial direction and/or individual toothed sections (5) are axially off-set from each other in the radial direction.
F16H 25/06 - Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying rotary motion with intermediate members guided along tracks on both rotary members
In a coaxial gear set, in particular a hollow shaft gear set for industrial drive technology, having high power density, comprising a drive element (7), an element (3), and an output element, with a gear ratio and a transmission of a drive torque occurring between the drive element (7) and the output element via a plurality of radially movable tooth segments (5), an outer tooth flank contour (11.1, 11.2) of the tooth contour (6) of the tooth segments (5) and/or a flank contour (12.1, 12.2) of a gearing (13) of an inner gearing (15) of an internal wheel (1), relative to a gear axis (M), is supposed to have a tooth contour that allows surface contact in the engagement area, which is achieved by the embodiment as a logarithmic spiral.
F16H 25/06 - Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying rotary motion with intermediate members guided along tracks on both rotary members
40.
ROTATIONAL CONNECTION BETWEEN A SHAFT AND A PINION, AND METHOD FOR THE ESTABLISHMENT THEREOF
Disclosed is a rotational connection between a shaft and an output element, particularly a gear, especially between a drive shaft or output shaft of an actuator running with high accuracy, such as a planetary gear or the like, and a pinion. The aim of the invention is to create a direct integral (6) joint between the face of the drive shaft or output shaft (2; 15; 16) and the face of the output element (3; 3.1), particularly the pinion, such that the output element (3; 3.1) can rotate in an optimal fashion, regardless of the accuracy of the actuator, especially the gear unit.
F16D 1/068 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end non-disconnectable involving gluing, welding or the like
In a method for producing a shaft-hub connection, in particular between a helically toothed pinion (2) and a hub (6), a partial section (3) of the helically toothed running toothing (4) of the pinion is used, during the connection to the hub, as a type of chip-removing cutting tool, by virtue of the partial section cutting with the profiles of its teeth into the hub in an axially aligned fashion. Also presented, for said method, are a suitable pinion-hub connection (1) and in each case a special use.
F16D 1/06 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
F16D 1/072 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end non-disconnectable involving plastic deformation
B23P 11/00 - Connecting or disconnecting metal parts or objects by metal-working techniques, not otherwise provided for
In a gearing, in particular coaxial gearing, hollow shaft gearing, hypoid gearing, axial gearing or linear gearing, with a driving element (7), an element (3) and an output element (11), a stepping-up and transmission of a driving torque between driving element (7) and output element (11) are to take place via a plurality of movable tooth segments (5).
F16H 25/06 - Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying rotary motion with intermediate members guided along tracks on both rotary members
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Motors, piezo motors and electric motors, other than for
land vehicles; electromotive and piezoelectric drives for
one and multiple axial positioning systems, as far as in
this class. Electric and electronic measuring and control units;
scientific apparatuses, equipment and instruments,
especially precision positioning systems, adjustment and
positioning systems with piezo drives, electronically
controllable mechanical adjusting units as well as open loop
control units and closed loop control units for the
aforementioned adjusting units, micro positioners for fibre
optic cables and fibre optics, integrated position sensors
for mechanical positioning systems; microscopes, especially
precision microscopes, scanning probe microscopes and
confocal microscopes; equipment for electronic optical
measurements, especially equipment for moving mirrors in the
application of microscopics and lasers; optical apparatuses
and instruments; optoelectronic and non-contact operational
surface measurement equipment; data processing equipment;
computers and computer software for the operation of
adjustment and positioning systems. Development of computer software; services of engineers;
physical research; research in the area of technology,
especially scientific and industrial research; execution of
technical measurements; search and development services
regarding new products for third parties.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Motors for microscopic positioning and scanning instruments, piezo motors and electric motors for instruments; electromotive and piezoelectric drives for one and multiple axial positioning systems Electric and electronic measuring and control units for microanalysis and nanoanalysis; scientific apparatuses, equipment and instruments, namely, precision positioning systems comprised of linear positioners, rotators, goniometers and scanners, adjustment and positioning systems comprised of linear positioners, rotators, goniometers and scanners with piezo drives, electronically controllable mechanical adjusting units as well as open loop control units and closed loop control units for the aforementioned adjusting units; micro positioners for fiber optic cables and fiber optics; integrated position sensors for mechanical positioning systems; microscopes, especially precision microscopes, scanning probe microscopes and confocal microscopes; equipment for electronic optical measurements, namely, equipment for moving mirrors in the application of microscopics and lasers, namely, piezo-electric controllers; optical apparatuses and instruments, namely, microscopes and their parts; optoelectronic and non-contact operational surface measurement equipment, namely, confocal microscopes, atomic force microscopes, scanning near-field optical microscopes and scanning tunneling microscopes; data processing equipment, namely, low temperature physics measurement electronic systems; computers and computer software for the operation of adjustment and positioning systems [Development of computer software; services of engineers in the field of microscopics and nanotechnology; physical research in the field of microscopics and nanotechnology; research in the area of technology, especially scientific and industrial research; execution of technical measurements; search and development services regarding new products for third parties]
