A multi-layer ceramic electronic component includes: a ceramic body including internal electrodes laminated and drawn to an end face of the ceramic body; and an external electrode including: a base film disposed on the end face of the ceramic body and formed from an electrically conductive material, a first nickel film disposed on and in contact with the base film in a thickness direction of the base film, and a second nickel film disposed on the first nickel film in a thickness direction of the first nickel film, wherein the base film is in contact with the internal electrodes, or the first nickel film is thicker than the second nickel film.
C04B 35/468 - Produits céramiques mis en forme, caractérisés par leur composition; Compositions céramiques; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de titane ou de titanates à base de titanates à base de titanates de métaux alcalino-terreux à base de titanates de baryum
H01G 2/06 - Dispositifs de montage spécialement adaptés pour le montage sur un support de circuit imprimé
Provided is a capacitor comprising a conductive base material having a first principal surface and a second principal surface opposite from the first principal surface, and a plurality of through-holes that are formed on the base material and extend from the first principal surface to the second principal surface, wherein: on the second principal surface, a plurality of depressions in which bottom sections thereof are respectively connected to the plurality of through-holes are formed; the base material has a plurality of protrusions surrounded by three or more depressions among the plurality of depressions; and the capacitor further includes a dielectric film that covers a surface of the base material and that includes an inner wall surface of each of the plurality of through-holes and inner wall surfaces of the plurality of depressions including surfaces of the plurality of protrusions, and an internal electrode that has a plurality of first regions respectively filling the plurality of through-holes inside the dielectric film and a second region being connected to the plurality of first regions and covering the plurality of protrusions with the dielectric film interposed therebetween.
Provided is a capacitor comprising: a conductive base material having a first main surface and a second main surface on an opposite side from the first main surface; a plurality of through-holes formed in the base material and passing through from the first main surface to the second main surface; a dielectric film covering a surface of the base material including an inner wall surface of each of the plurality of through-holes; and a plurality of internal electrodes each filling each of the plurality of through-holes inside the dielectric film.
H01L 21/822 - Fabrication ou traitement de dispositifs consistant en une pluralité de composants à l'état solide ou de circuits intégrés formés dans ou sur un substrat commun avec une division ultérieure du substrat en plusieurs dispositifs individuels pour produire des dispositifs, p.ex. des circuits intégrés, consistant chacun en une pluralité de composants le substrat étant un semi-conducteur, en utilisant une technologie au silicium
H01L 27/04 - Dispositifs consistant en une pluralité de composants semi-conducteurs ou d'autres composants à l'état solide formés dans ou sur un substrat commun comprenant des éléments de circuit passif intégrés avec au moins une barrière de potentiel ou une barrière de surface le substrat étant un corps semi-conducteur
An all solid battery includes a multilayer body in which each of a plurality of electrode layers and each of a plurality of solid electrolyte layers are alternately stacked, wherein at least one of the plurality of electrode layers includes an end portion, a first portion in which a film thickness thereof increases at a first increase rate of 0.15 or more from the end portion to a first point, and a second portion in which the film thickness increases at a second increase rate of 0.1 or less from the first point to a second point, wherein the film thickness of the at least one of the plurality of electrode layers at the second point is a local maximum thickness and is 1.5 times or less as an average film thickness of the at least one of the plurality of electrode layers.
H01M 10/0585 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure plats, c. à d. des électrodes positives plates, des électrodes négatives plates et des séparateurs plats
A high frequency system includes an antenna that transmits a high frequency electromagnetic wave vertically polarized with respect to a floor to an object and receives the electromagnetic wave reflected by the object, and a first dielectric layer provided on an uppermost layer of the floor in a region including a portion where the electromagnetic wave is reflected in a path of the electromagnetic wave between the antenna and the object, the first dielectric layer having a relative dielectric constant of 2 or more and 6 or less at a frequency of the electromagnetic wave, wherein the electromagnetic wave propagating through the first dielectric layer is reflected under the first dielectric layer, and a distance between the antenna and the object in a direction parallel to a plane including an upper surface of the first dielectric layer at the portion is 10 m or less.
G01S 7/03 - DÉTERMINATION DE LA DIRECTION PAR RADIO; RADIO-NAVIGATION; DÉTERMINATION DE LA DISTANCE OU DE LA VITESSE EN UTILISANT DES ONDES RADIO; LOCALISATION OU DÉTECTION DE LA PRÉSENCE EN UTILISANT LA RÉFLEXION OU LA RERADIATION D'ONDES RADIO; DISPOSITIONS ANALOGUES UTILISANT D'AUTRES ONDES - Détails des systèmes correspondant aux groupes , , de systèmes selon le groupe - Détails de sous-ensembles HF spécialement adaptés à ceux-ci, p.ex. communs à l'émetteur et au récepteur
G01S 13/32 - Systèmes pour mesurer la distance uniquement utilisant la transmission d'ondes continues, soit modulées en amplitude, en fréquence ou en phase, soit non modulées
G01S 13/46 - Détermination indirecte des données relatives à la position
G01S 13/48 - Détermination indirecte des données relatives à la position utilisant des faisceaux multiples à l'émission ou à la réception
6.
CERAMIC ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING SAME
A multilayer ceramic electronic component according to one embodiment of the present invention comprises an element body that comprises a capacitor unit in which a plurality of dielectric layers that contain a ceramic as a main component and a plurality of internal electrode layers are alternately stacked. The internal electrode layers contain carbon nanotubes, the dielectric layers have a relative dielectric constant of 1,000 or more, and the internal electrode layers have a modulus of continuity of 45% or more.
A measuring apparatus includes a first substrate, an oscillator circuit, and an arithmetic circuit. The first substrate is made of a dielectric and has a first signal line and a ground conductor. A living body is to be pressed against the first signal line. The oscillator circuit produces a first signal of alternating current. The arithmetic circuit acquires biological information based on a comparison between a second signal and a third signal. The second signal corresponds to the first signal that passes through the first signal line. The third signal corresponds to the first signal that does not pass through the first signal line.
A dielectric ceramic composition includes a first crystal grain that has a perovskite structure expressed by a general formula of BaCaTiO3, and has a core portion and a shell portion surrounding the core portion and including a rare earth element and manganese, and a second crystal grain in which an elemental ratio of total of barium and calcium to titanium is 0.70 or less and a main component is barium calcium titanate.
C04B 35/468 - Produits céramiques mis en forme, caractérisés par leur composition; Compositions céramiques; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de titane ou de titanates à base de titanates à base de titanates de métaux alcalino-terreux à base de titanates de baryum
A multilayer ceramic electronic device includes a multilayer structure in which each of a plurality of internal electrode layers and each of a plurality of dielectric layers are alternately stacked, and a pair of external electrodes that respectively cover a pair of facing end surfaces of the multilayer structure, and are alternately connected to the plurality of internal electrode layers along a stacking direction of the multilayer structure. Among four surfaces of the multilayer structure excluding the pair of end surfaces, a surface roughness of at least one of a pair of first surfaces that face each other in the stacking direction is smaller than a surface roughness of at least one of a pair of second surfaces that face each other in an orthogonal direction approximately orthogonal to a facing direction in which the pair of end surfaces face each other and the stacking directions.
This multilayer ceramic electronic component includes: a plurality of dielectric layers 11; a plurality of internal electrode layers 12 that oppose each other in a first direction across the plurality of dielectric layers 11, and each have one end extending in a second direction orthogonal to the first direction, and having an end portions provided more inward than end portions of the plurality of dielectric layers 11 in a third direction orthogonal to the first direction and the second direction; and an insulator layer 17 provided at the tip of an end portion in the third direction of at least one of the plurality of internal electrode layers 12. A first surface roughness at the interface between dielectric layers 11 adjacent in the first direction of the insulator layer 17 is greater than a second surface roughness at the interface between dielectric layers 11 adjacent in the first direction of the internal electrode layer 12 to which the insulator layer 17 is adjacent in the third direction.
One object is to improve the insulation reliability of a laminated ceramic capacitor. The body of a laminated ceramic capacitor according to one embodiment includes a first internal electrode layer, a second internal electrode layer, and a ceramic layer. The ceramic layer is disposed between the first internal electrode layer and the second internal electrode layer and contains crystal grains of ceramic material. The crystal grains each include a core portion and a shell portion covering the core portion. The shell portion includes one or more intra-shell pores.
An all solid battery includes a solid electrolyte layer, and an electrode layer that is provided on each of main faces of the solid electrolyte layer and includes an electrode active material and a conductive auxiliary agent. In a frequency distribution of grain size of the conductive auxiliary agent in a cross section of the electrode layer, two largest peaks, a first peak and a second peak, appear in a range of 5 nm or more and 130 nm or less. In a cumulative distribution of the grain size, a portion appears between the first peak and the second peak where a slope is 0.7 or less (%/nm).
A dielectric ceramic composition includes a first crystal grain that has a perovskite structure expressed by a general formula of BaTiO3, and has a core portion and a shell portion surrounding the core portion and including dysprosium, and a second crystal grain in which an elemental ratio of barium to titanium is 0.70 or less and a main component is barium titanate composite oxide. An elemental ratio of barium to titanium of the dielectric ceramic composition is 0.90 or more and 0.98 or less.
C04B 35/468 - Produits céramiques mis en forme, caractérisés par leur composition; Compositions céramiques; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de titane ou de titanates à base de titanates à base de titanates de métaux alcalino-terreux à base de titanates de baryum
A solid oxide fuel cell includes a solid electrolyte layer, an anode provided on a first face of the solid electrolyte layer and including a porous body including an electron conductive ceramics and an oxide ion conductive ceramics, a first mixed layer provided on the anode and having a structure in which a metallic material and a ceramics material are mixed, a first support provided on the first mixed layer and having a main component of metal, a cathode provided on a second face of the solid electrolyte layer and including a porous body including an electron conductive ceramics and an oxide ion conductive ceramics, a second mixed layer provided on the cathode and having a structure in which a metallic material and a ceramics material are mixed, and a second support provided on the second mixed layer and having a main component of metal. One of an outer periphery of the anode, the first mixed layer and the first support and an outer periphery of the cathode, the second mixed layer and the second support is positioned inwardly with respect to other.
H01M 8/1246 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Éléments à combustible; Leur fabrication Éléments à combustible avec électrolytes solides fonctionnant à haute température, p.ex. avec un électrolyte en ZrO2 stabilisé caractérisés par le procédé de fabrication ou par le matériau de l’électrolyte l'électrolyte étant constitué d’oxydes
H01M 4/86 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Électrodes Électrodes inertes ayant une activité catalytique, p.ex. pour piles à combustible
An all solid battery includes a solid electrolyte layer of a phosphate-based material having a NASICON structure, a positive electrode layer that includes a Co-containing phosphate-based positive electrode active material and a Co-containing phosphate-based solid electrolyte, and a negative electrode layer that includes a negative electrode active material and a solid electrolyte not containing Co.
H01M 4/02 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Électrodes Électrodes composées d'un ou comprenant un matériau actif
H01M 4/136 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Électrodes Électrodes composées d'un ou comprenant un matériau actif Électrodes pour accumulateurs à électrolyte non aqueux, p.ex. pour accumulateurs au lithium; Leurs procédés de fabrication Électrodes à base de composés inorganiques autres que les oxydes ou les hydroxydes, p.ex. sulfures, séléniures, tellurures, halogénures ou LiCoFy
H01M 4/58 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de structures polyanioniques, p.ex. phosphates, silicates ou borates
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p.ex. liants, charges
H01M 10/0585 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure plats, c. à d. des électrodes positives plates, des électrodes négatives plates et des séparateurs plats
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
An odor measuring device includes a sensor substrate having a first main surface having a flow path region constituting a flow path, the flow path region including a first region and a second region, an odor sensor that is mounted on the first region and detects an odorous substance, and a first protective layer provided on the second region.
G01N 5/02 - Analyse des matériaux par pesage, p.ex. pesage des fines particules séparées d'un gaz ou d'un liquide en absorbant ou adsorbant les constituants d'un matériau et en déterminant la variation de poids de l'adsorbant, p.ex. en déterminant la teneur en eau
G01N 33/00 - Recherche ou analyse des matériaux par des méthodes spécifiques non couvertes par les groupes
17.
CERAMIC ELECTRONIC DEVICE INCLUDING DIELECTRIC LAYER CONTAINING PEROVSKITE COMPOUND WITH YTTRIA-STABILIZED ZIRCONIA
A ceramic electronic device includes a dielectric layer and an internal electrode layer that are alternately stacked, wherein the dielectric layer contains yttria-stabilized zirconia, and wherein an arca ratio of grains of the yttria-stabilized zirconia is 1% or more and 15% or less in a cross section of the dielectric layer.
An all solid battery includes a solid electrolyte layer, and electrode layers that are provided on both main faces of the solid electrolyte layer and include an electrode active material and a fibrous conductive auxiliary agent. In cross sections of the electrode layers, an average diameter of the conductive auxiliary agent is 2 nm or more and 150 nm or less, an area ratio occupied by the conductive auxiliary agent is 0.5% or more and 5.0% or less, and an area ratio occupied by the electrode active material is 28% or more and less than 80%. A thickness of the solid electrolyte layer is 5 μm or more and 20 μm or less.
A multilayer ceramic electronic device includes an element body and external electrodes. At least one of the pair of external electrodes includes a first metal layer and a second metal layer. The first metal layer covers a part of internal electrodes and a first portion of cover dielectric layers and side margin sections which is located on a side of the internal electrodes, does not cover a second portion of the cover dielectric layers and the side margin section which is other than the first portion, contacts a part of the internal electrodes, and has a main component of nickel or copper, at a corresponding end face of the element body. The second metal layer covers the first metal layer, contacts at least a part of the second portion on a side of the first metal layer, and has a main component of tin.
A filter includes a multilayer body in which a plurality of dielectric layers and a plurality of conductor layers are alternately stacked in a stack direction, an inductor including a first conductor pattern formed of at least one of the plurality of conductor layers, and a second conductor pattern provided in the multilayer body, the second conductor pattern being not connected to other conductors in the multilayer body, X≤7.5×107/(fc×√{square root over (εr)}) being satisfied where a maximum width of the second conductor pattern is X (m), a frequency at a high-frequency end of a passband is fc (Hz), and a relative permittivity of the plurality of dielectric layers is εr.
H03H 7/48 - Réseaux pour connecter plusieurs sources ou charges, fonctionnant sur la même fréquence ou dans la même bande de fréquence, à une charge ou à une source commune
21.
ELECTRONIC COMPONENT AND MANUFACTURING METHOD OF ELECTRONIC COMPONENT INCORPORATED SUBSTRATE
Provided is an electronic component including a base body, a first internal element, a first external electrode, and a second external electrode. The first external electrode has a first outer metal layer and a first inner metal layer that is provided between the first outer metal layer and the first internal element, the second external electrode has a second outer metal layer and a second inner metal layer that is provided between the second outer metal layer and the first internal element, and the first inner metal layer has a lower laser absorption rate than any of the first outer metal layer and the second outer metal layer, and the second inner metal layer has a lower laser absorption rate than any of the first outer metal layer and the second outer metal layer.
This multilayer ceramic electronic component is provided with: an element body in which first internal electrode layers and second internal electrode layers are alternately laminated with a dielectric layer interposed therebetween and which has a substantially rectangular parallelepiped shape; and external electrodes which are formed on a surface of the element body so as to be separated from each other and to which the first internal electrode layers and the second internal electrode layers are respectively led out, wherein the first internal electrode layer and the second internal electrode layer contain a sub-component in addition to a main component, and the sub-component differs between the first internal electrode layer and the second internal electrode layer.
The present invention comprises: a laminated chip in which a first internal electrode layer and a second internal electrode layer that are mainly composed of Ni are alternately laminated with a dielectric layer interposed therebetween, the laminated chip being formed such that the first internal electrode layer and the second internal electrode layer are alternately led out to a first end surface and a second end surface; a first external electrode in which the main component of a contact layer in contact with the first end surface is Cu; and a second external electrode in which the main component of a contact layer in contact with the second end surface is Cu. The first internal electrode layer contains a low-melting-point metal having a melting point equal to or less than the melting point of Pb. The concentration of the low-melting-point metal is higher in the first internal electrode layer than in the second internal electrode layer. The width of a portion of the first internal electrode layer connected to the first external electrode in a direction orthogonal to the lamination direction is less than the width of a portion corresponding to the second internal electrode layer, and the width of a portion of the second internal electrode layer connected to the second external electrode in the direction orthogonal to the lamination direction is greater than the width of the portion of the first internal electrode layer connected to the first external electrode.
Provided is a ceramic electronic component of which the dimension in a first direction is equal to or greater than 1.3 times the dimension in a second direction. First and second internal electrode layers mainly composed of Ni are alternately laminated with a dielectric layer interposed therebetween. The ceramic electronic component comprises a first external electrode and a second external electrode that are formed so as to draw out the first and second internal electrode layers alternately to first and second end surfaces opposing each other in a third direction orthogonal to the first direction and the second direction, the first external electrode having a contact layer which is in contact with the first end surface and is mainly composed of Cu, and the second external electrode having a contact layer which is in contact with the second end surface and is mainly composed of Cu. The concentration of a low melting point metal is higher in the first internal electrode layer than in the second internal electrode layer. The width in a direction orthogonal to the lamination direction is narrower in a part of the first internal electrode layer that is connected to the first external electrode than in a part thereof opposing the second internal electrode layer. The width in the direction orthogonal to the lamination direction is greater in a part of the second internal electrode layer that is connected to the second external electrode than in the part of the first internal electrode layer that is connected to the first external electrode.
This multilayer ceramic electronic component is provided with: a capacity formation part in which dielectric layers and internal electrodes are alternately laminated along a first axial direction and which has a pair of main surfaces facing each other along the first axial direction, a pair of side surfaces on which the internal electrodes are exposed and which face each other in a second axial direction orthogonal to the first axial direction, and a pair of end surfaces which face each other in a third axial direction orthogonal to the first axial direction and the second axial direction; a protection layer that covers the capacity formation part with the main surfaces and the side surfaces as interfaces; particles that are present across the capacity formation part and the protection layer and have the ratio of a short side to a long side of 1/3 or less, the long side being the longest portion in a cross section including a direction along the first axial direction, and the short side being the longest portion among the portions orthogonal to the long side; and a pair of external electrodes and covers at least the end surfaces, respectively.
A multilayer ceramic electronic component comprising: an element 10 in which a plurality of internal electrodes 12a, 12b and a plurality of dielectric layers 14 are alternately layered, the plurality of layered internal electrodes having a pair of end surfaces that are exposed alternately and face each other, and a pair of side surfaces at which the plurality of internal electrodes are exposed and which face each other; a pair of side dielectric layers 18a, 18b that respectively cover capacitance regions 60a, 60b in which the plurality of internal electrodes connected to different end surfaces face each other at the pairs of side surfaces, at least one side dielectric layer not covering at least one first portion among a pair of first portions on a pair of end-surface sides in end margin regions that are positioned closer to the pair of end-surface sides than the capacitance region on the corresponding side surface; and a pair of external electrodes 20a, 20b that are in contact with the plurality of internal electrodes exposed from the at least one first portion and the pair of end surfaces.
[Object]
[Object]
To provide a display device and an electronic device each capable of implementing both a force feedback function and a tactile function and having high strength.
[Object]
To provide a display device and an electronic device each capable of implementing both a force feedback function and a tactile function and having high strength.
[Solving Means]
[Object]
To provide a display device and an electronic device each capable of implementing both a force feedback function and a tactile function and having high strength.
[Solving Means]
A display device according to the present invention includes a display panel, a touch panel, a spacer, a tactile panel, and a piezoelectric actuator. The touch panel is placed on the display panel and has a first principal surface on the display panel side and a second principal surface on the side opposite to the first principal surface. The tactile panel is placed on the spacer and has a third principal surface facing the second principal surface with a gap between the third and second principal surfaces and a fourth principal surface on the side opposite to the third principal surface. The piezoelectric actuator is placed on the third principal surface and causes vibration. When a first thickness is defined as the thickness from the second principal surface to the fourth principal surface and a second thickness is defined as the thickness from the second principal surface to the third principal surface, the first thickness is 0.5 to 1.5 mm, is equal to or larger than the thickness obtained by adding 0.3 mm to the second thickness, and is equal to or smaller than the thickness obtained by adding 1 mm to the second thickness.
G06F 3/01 - Dispositions d'entrée ou dispositions d'entrée et de sortie combinées pour l'interaction entre l'utilisateur et le calculateur
G06F 3/044 - Numériseurs, p.ex. pour des écrans ou des pavés tactiles, caractérisés par les moyens de transduction par des moyens capacitifs
H10N 30/20 - Dispositifs piézo-électriques ou électrostrictifs à entrée électrique et sortie mécanique, p.ex. fonctionnant comme actionneurs ou comme vibrateurs
H10N 39/00 - Dispositifs intégrés, ou ensembles de plusieurs dispositifs, comportant au moins un élément piézo-électrique, électrostrictif ou magnétostrictif couvert par les groupes
28.
MULTILAYER CERAMIC ELECTRONIC DEVICE AND MANUFACTURING METHOD OF THE SAME
A multilayer ceramic electronic device includes a ceramic element body. The active section includes a plurality of internal electrodes stacked in a second direction orthogonal to a first direction. The protection section includes a cover section stacked on the active section along the second direction and a side margin section covering the active section from a third direction orthogonal to the first direction and the second direction. The ridge portion includes a first ridgeline portion on a side of the cover section and a second ridgeline portion on a side of the side margin section, with the recess between the first ridgeline portion and the second ridgeline portion. In a cross section including the second direction and the third direction, a radius of curvature R1 of the first ridgeline portion is larger than a radius of curvature R2 of the second ridgeline portion.
Provided is a multilayer ceramic capacitor including an element body having a multilayer body in which dielectric layers formed of a dielectric ceramic and internal electrodes containing a metal as a main component are stacked, and a protective portion that covers a surface of the multilayer body, and an external electrode that is disposed on a surface of the element body and is electrically connected to the internal electrodes, the external electrode having a conductor portion formed of a metal containing copper as a main component element and a ceramic portion formed of a ceramic material having composition similar to composition of the dielectric ceramic. A bending ceramic portion that is disposed to penetrate between a surface in contact with the element body in the conductor portion and a surface opposed to the surface and in which a path of the penetration bends is included in the ceramic portion.
MAGNETIC BASE BODY, COIL COMPONENT INCLUDING THE MAGNETIC BASE BODY, CIRCUIT BOARD INCLUDING THE COIL COMPONENT, AND ELECTRONIC DEVICE INCLUDING THE CIRCUIT BOARD
Provided is a magnetic base body having excellent insulating properties and magnetic properties. A magnetic base body according to one embodiment includes: a plurality of soft magnetic metal particles; and a plurality of insulating films each covering a surface of corresponding one of the plurality of soft magnetic metal particles. In the magnetic base body, the plurality of soft magnetic metal particles are filled at a filling factor of 85% or higher. The KAM value of the soft magnetic metal particles is 0.6 or less. The soft magnetic metal particles contain 95 wt % or more Fe, Si, and Al. The insulating films contain an oxide of Si and an oxide of Al.
H01F 1/24 - Aimants ou corps magnétiques, caractérisés par les matériaux magnétiques appropriés; Emploi de matériaux spécifiés pour leurs propriétés magnétiques en matériaux inorganiques caractérisés par leur coercivité en matériaux magnétiques doux métaux ou alliages sous forme de particules, p.ex. de poudre comprimées, frittées ou agglomérées les particules étant isolées
H01F 1/33 - Aimants ou corps magnétiques, caractérisés par les matériaux magnétiques appropriés; Emploi de matériaux spécifiés pour leurs propriétés magnétiques en matériaux inorganiques caractérisés par leur coercivité en matériaux magnétiques doux particules métalliques ayant un revêtement d'oxyde
H01F 27/255 - Noyaux magnétiques fabriqués à partir de particules
H01F 41/02 - Appareils ou procédés spécialement adaptés à la fabrication ou à l'assemblage des aimants, des inductances ou des transformateurs; Appareils ou procédés spécialement adaptés à la fabrication des matériaux caractérisés par leurs propriétés magnétiques pour la fabrication de noyaux, bobines ou aimants
31.
CERAMIC ELECTRONIC DEVICE AND MANUFACTURING METHOD OF THE SAME
A ceramic electronic device includes a multilayer chip having a multilayer portion in which each of a plurality of dielectric layers and each of a plurality of internal electrode layers are alternately stacked. The multilayer chip has a side margin outside a capacity section. The multilayer chip has cover layers on an upper face and a lower face of a capacity section. Each of the side margin and the cover layers has, on a side of an outer surface, a high concentration portion of a subcomponent of at least one of Si, Mn, Cu, Fe, V, Ni, B, Mg, Ho, Dy, Er, Tm, Yb, Gd, Li, Co, Sm and Y. A concentration of the subcomponent of the high concentration portion is higher than that of a portion closer to the capacity section than the high concentration portion.
The present invention includes: an element in which a first internal electrode layer and a second internal electrode layer are layered alternately with a dielectric layer interposed therebetween, the element having a substantially rectangular parallelepiped shape, the first internal electrode layer being drawn out onto a first side surface of the substantially rectangular parallelepiped shape, and the second internal electrode layer being drawn out onto a second side surface of the substantially rectangular parallelepiped shape; a first external electrode provided on the first side surface; and a second external electrode provided on the second side surface. An end portion on the first side surface side of the first internal electrode layer and an end portion on the second side surface side of the second internal electrode layer include a first sub-component or a second sub-component in addition to a main component. The first external electrode includes the first sub-component of the first internal electrode layer, the second external electrode includes the second sub-component of the second internal electrode layer, and the first sub-component and the second sub-component differ from each other.
An array antenna 100 comprises: a first member 10 having a plurality of first through holes 13 arranged along an X-axis direction; a second member 20 provided overlapping the first member 10 and having a plurality of second through holes 23 provided on one side of the plurality of first through holes 13 in a Y-axis direction and a plurality of third through holes 24 provided on the other side thereof; a plurality of ridge-shaped first waveguide members 30, each in contact with a front surface 21 of the second member 20 such that a first gap 32 serving as a waveguide is formed between the front surface 21 of the second member 20 and a back surface 12 of the first member 10, and each having one end supplied with power from the plurality of second through holes 23 or the plurality of third through holes 24 and another end supplying power to the plurality of first through holes 13; and a plurality of rods 40 provided around the plurality of first waveguide members 30, extending toward the back surface 12 of the first member 10 while being in contact with the front surface 21 of the second member 20, and forming a second gap 41 with the back surface 12.
H01Q 21/08 - Réseaux d'unités d'antennes, de même polarisation, excitées individuellement et espacées entre elles les unités étant espacées le long du trajet rectiligne ou adjacent à celui-ci
34.
DIELECTRIC CERAMIC COMPOSITION AND LAMINATED CERAMIC ELECTRONIC COMPONENT
The dielectric ceramic composition comprises: a main phase containing barium titanate having a perovskite structure; first crystal particles that satisfy 5.00≤a≤7.00 and 0.50≤b≤1.50 when the elemental ratio of titanium to the content of barium is taken as a and the elemental ratio of magnesium to the content of barium is taken as b; and second crystal particles that satisfy 1.50≤c≤3.50, 0.03≤d≤0.30, 0.03≤e≤0.30, and 0.03≤f≤0.40 when the elemental ratio of titanium to the content of barium is taken as c, the elemental ratio of magnesium to the content of barium is taken as d, the elemental ratio of manganese to the content of barium is taken as e, and the elemental ratio of nickel to the content of barium is taken as f.
C04B 35/468 - Produits céramiques mis en forme, caractérisés par leur composition; Compositions céramiques; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de titane ou de titanates à base de titanates à base de titanates de métaux alcalino-terreux à base de titanates de baryum
H01B 3/12 - Isolateurs ou corps isolants caractérisés par le matériau isolant; Emploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances inorganiques céramiques
This multilayer ceramic electronic component comprises: an element body 10 in which a plurality of internal electrodes 12a, 12b and a plurality of dielectric layers 14 are alternately stacked in a first direction, the stacked plurality of internal electrodes having a pair of end faces that are alternately exposed and opposed in a second direction, an upper face and a lower face that are opposed in the first direction, and a pair of side faces that are opposed to each other and to which the plurality of internal electrodes are exposed; a pair of side dielectric layers respectively covering the pair of side faces, where at least one of the side dielectric layers covers a first portion of at least one of the upper face and the lower face on a side face corresponding to an end part in the second direction, and does not cover a second portion of the at least one face on the side face corresponding to the central part in the second direction; and a pair of external electrodes 20a, 20b that respectively cover the pair of end faces.
A coil component includes a magnetic body, made from an insulating material and metal magnetic particles joined by the insulating material. The magnetic body has a first surface and a second surface, and the first surface is adjacent to the second surface. A surface resistivity of the second surface is higher than a surface resistivity of the first surface. The coil component also includes a conductor portion provided inside or on the magnetic body. The coil component also includes an outer electrode provided on the first surface and connected to the conductor portion.
H01F 1/03 - Aimants ou corps magnétiques, caractérisés par les matériaux magnétiques appropriés; Emploi de matériaux spécifiés pour leurs propriétés magnétiques en matériaux inorganiques caractérisés par leur coercivité
This solid oxide fuel cell comprises: a first porous metal layer containing a metal as a main component; a first mixture layer provided on the first porous metal layer and having a structure in which a metal material and a ceramic material are mixed; an anode provided on the first mixture layer and containing a ceramic material; and a second mixture layer provided under the first porous metal layer and having a structure in which a metal material and a ceramic material are mixed.
H01M 8/1226 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Éléments à combustible; Leur fabrication Éléments à combustible avec électrolytes solides fonctionnant à haute température, p.ex. avec un électrolyte en ZrO2 stabilisé caractérisés par la combinaison électrode/électrolyte ou par le matériau de support caractérisés par la couche de support
38.
CERAMIC ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING SAME
A multilayer ceramic electronic component according to one embodiment of the present invention comprises an element body including a capacitive part in which a plurality of dielectric layers having ceramic as a main component and a plurality of internal electrode layers are alternately laminated. The internal electrode layers contain Ni and Hf, the Hf content of the internal electrode layers being 0.0001-2.0 at% with respect to the total of the Ni and the Hf. The internal electrode layers contain aggregated particles, the aggregated particles containing the Hf.
An acoustic wave device includes a piezoelectric body, a pair of comb-shaped electrodes provided on the piezoelectric body, the pair of comb-shaped electrodes including a plurality of electrode fingers, a reflector provided on the piezoelectric body so as to be arranged in line with the pair of comb-shaped electrodes in an arrangement direction of the electrode fingers, and an additional film provided on the piezoelectric body between the pair of comb-shaped electrodes and the reflector so that an overlap width with the pair of comb-shaped electrodes and an overlap width with the reflector are equal to or less than 1/8 of an average pitch of the electrode fingers of the pair of comb-shaped electrodes and a distance between the additional film and the pair of comb-shaped electrodes and a distance between the additional film and the reflector are equal to or less than 1/8 of the average pitch.
A measuring device includes a first light emitting section that emits first light; a light collecting section that has a first surface, a second surface that faces the first surface and that has a larger area than the first surface, and a wall surface that connects the first surface and the second surface and that allows the first light to pass therethrough; a light receiving section that is disposed on the first surface to receive the first light irradiated onto a living body from the second surface and returned from the living body; and a calculation section that receives an output from the light receiving section to calculate numerical information regarding the living body.
A61B 5/145 - Mesure des caractéristiques du sang in vivo, p.ex. de la concentration des gaz dans le sang, de la valeur du pH du sang
A61B 5/00 - Mesure servant à établir un diagnostic ; Identification des individus
A61B 5/1455 - Mesure des caractéristiques du sang in vivo, p.ex. de la concentration des gaz dans le sang, de la valeur du pH du sang en utilisant des capteurs optiques, p.ex. des oxymètres à photométrie spectrale
Provided is a laminated ceramic electronic component comprising an element assembly 10 including a laminated portion in which a plurality of dielectric layers 11 and a plurality of internal electrode layers 12 are laminated. At least one of the plurality of dielectric layers 11 has a pyrochlore phase 50.
This laminated ceramic electronic component comprises an element body 10 including a laminated portion in which a dielectric layer 11 containing ceramic as a main component and an internal electrode layer 12 containing metal as a main component are laminated, wherein a two-dimensional layered material film 30 is provided between the dielectric layer 11 and the internal electrode layer 12.
A coil component includes a magnetic base body including magnetic metal particles and resin; a conductor disposed inside or on a face of the magnetic base body; and external electrodes disposed on a first face of the magnetic base body and connected with the conductor. Each external electrode has a central portion and a peripheral portion disposed adjacent to the central portion. The central portion has a contact surface that is in contact with the first face and an exterior surface that is opposite to the contact surface, and the peripheral portion has a contact surface that is in contact with the first face and an exterior surface that is opposite to the contact surface. The distance from the first surface to the exterior surface of the peripheral portion is less than the distance from the first surface to the exterior surface of the central portion.
A laminated ceramic electronic component comprises: an element body having a plurality of dielectric layers and a plurality of inner electrode layers which are disposed with the plurality of dielectric layers therebetween and which are alternately drawn out to two end surfaces facing each other; and a pair of side margins that sandwich the element body in a third direction orthogonal to a first direction in which the plurality of inner electrode layers oppose each other and a second direction in which the two end surfaces face each other. Protrusions and recesses are formed on at least one of the surfaces of the element body facing the third direction as a result of the ends of the dielectric layers protruding outward beyond the ends of the inner electrode layers. The side margins enter into the recesses of the protrusions and recesses.
This multilayer ceramic electronic component comprises: a substantially rectangular-parallelepiped-shaped multilayer object which comprises internal electrode layers and dielectric layers stacked on one another, and in which the internal electrode layers are led out to a pair of end surfaces facing each other along a direction substantially orthogonal to a stacking direction; and a pair of external electrodes provided on the pair of end surfaces so as to be connected to the internal electrode layers. At least one of the external electrodes includes a first metal layer, which comprises a first metal as a main component and which extends from one of the end surfaces to at least one of four surfaces approximately orthogonal to said one end surface, said one surface having a second metal layer that includes a second metal as a main component, extends from between an end portion of the first metal layer and said one surface toward the other external electrode, and contains an alloy of the first metal and the second metal along the surface in contact with the first metal layer.
H01C 7/02 - Résistances fixes constituées par une ou plusieurs couches ou revêtements; Résistances fixes constituées de matériau conducteur en poudre ou de matériau semi-conducteur en poudre avec ou sans matériau isolant à coefficient de température positif
H01C 7/04 - Résistances fixes constituées par une ou plusieurs couches ou revêtements; Résistances fixes constituées de matériau conducteur en poudre ou de matériau semi-conducteur en poudre avec ou sans matériau isolant à coefficient de température négatif
H01C 7/10 - Résistances fixes constituées par une ou plusieurs couches ou revêtements; Résistances fixes constituées de matériau conducteur en poudre ou de matériau semi-conducteur en poudre avec ou sans matériau isolant sensibles à la tension, p.ex. varistances
Provided is a capacitor that includes an intermediate layer containing Fe, wherein decreases of effective capacity are suppressed A capacitor according to one aspect of the present invention includes a body, a first external electrode provided on the body, and a second external electrode provided on the body. The body includes: a first internal electrode layer; a second internal electrode layer; a dielectric layer provided between the first internal electrode layer and the second internal electrode layer in a first direction; and a first intermediate layer that is provided between the first internal electrode layer and the dielectric layer and that contains Fe at a first concentration. The first external electrode is electrically connected to the first internal electrode layer. The second external electrode is electrically connected to the second internal electrode layer. In one aspect, the first concentration is from 0.2 at% to 5 at%. In one aspect, the dielectric layer contains Fe at a second concentration and, in one aspect, the second concentration is less than 1 at%. In one aspect, a Fe concentration ratio expressing a ratio of the first concentration to the second concentration is greater than 1.
The present invention suppresses a reduction in insulation resistance in a dielectric layer of a capacitor that is provided with an intermediate layer containing Fe. A capacitor according to one embodiment of the present invention comprises body, a first external electrode, and a second external electrode. In one aspect, the body has a first internal electrode layer, a second internal electrode layer, a dielectric layer, and a first intermediate layer. The dielectric layer is disposed between the first internal electrode layer and the second internal electrode layer. The dielectric layer contains Fe2+and Fe3+. The first intermediate layer is provided between the first internal electrode layer and the dielectric layer, and contains Fe. The first external electrode is provided to the body so as to be electrically connected to the first internal electrode layer. The second external electrode is provided to the body so as to be electrically connected to the second internal electrode layer. In the dielectric layer, the Fe2+content ratio, which represents the atomic ratio of Fe2+with respect to the total of Fe2+and Fe3+, may be 0.4-0.85.
The present invention suppresses a decrease in the electrostatic capacitance due to oxidation of an element contained in an internal electrode layer. A multilayer ceramic capacitor according to one embodiment of the present invention is provided with a main body, a first external electrode, and a second external electrode. In one embodiment, the main body has a first internal electrode layer that is mainly composed of Ni, a second internal electrode layer, and a dielectric layer. The dielectric layer is disposed between the first internal electrode layer and the second internal electrode layer. The first external electrode is provided on the main body so as to be electrically connected to the first internal electrode layer. The second external electrode is provided on the main body so as to be electrically connected to the second internal electrode layer. In one embodiment, the first internal electrode layer comprises a first region and a second region. The Ni concentration in the second region is lower than the Ni concentration in the first region. In one embodiment, the Fe concentration in the second region is higher than the Fe concentration in the first region. In one embodiment, the O concentration in the second region is higher than the O concentration in the first region.
The present invention suppresses a decrease in the bonding strength between an internal electrode layer and a dielectric layer due to an intermediate layer that contains an enriched minor element. A multilayer ceramic capacitor according to one embodiment of the present invention is provided with a main body, a first external electrode, a second external electrode and a first intermediate layer. In the embodiment, the main body comprises a first internal electrode layer, a second internal electrode layer, a dielectric layer and a first intermediate layer. The first internal electrode layer contains a main component metal element and an element X that is different from the main component metal element. The dielectric layer is disposed between the first internal electrode layer and the second internal electrode layer in a first direction. The first intermediate layer is provided between the first internal electrode layer and the dielectric layer, and contains the element X at a concentration that is not less than 1.2 times the concentration of the element X in the first internal electrode layer. The first external electrode is provided on the main body so as to be electrically connected to the first internal electrode layer. The second external electrode is provided on the main body so as to be electrically connected to the second internal electrode layer. The first intermediate layer comprises a first high-concentration region, in which the concentration of the element X is not less than 1.5 times the average concentration of the element X in the whole first intermediate layer, in a first cross-section that is perpendicular to the first direction.
The present invention promotes densifying of a dielectric layer in a side margin region without reducing insulation reliability. An aspect of the present invention pertains to a multilayer ceramic capacitor which comprises a body, a first outer electrode, and a second outer electrode. The body includes a first inner electrode layer, a second inner electrode layer, and a dielectric layer. The body is partitioned into at least a capacity region and a margin region. The capacity region means a region in which the first and second inner electrodes face each other in a first direction. The margin region means a region in which neither of the first and second electrode layers exists when viewed in the first direction. In one aspect, the dielectric layer contains Fe at a first concentration in the capacity region, and contains Fe at a second concentration higher than the first concentration in the margin region.
The present invention improves insulation reliability of a capacitor that comprises a dielectric layer which includes a rare earth element. A capacitor according to one aspect of the present invention comprises a body, a first outer electrode that is provided to the body, and a second outer electrode that is provided to the body. The body has a first inner electrode layer, a second inner electrode layer, and a dielectric layer that is disposed between the first inner electrode layer and the second inner electrode layer. The dielectric layer has crystal grains of barium titanate. The crystal grains each have a core part and a shell part that covers the core part. Ho concentration in the shell part is 0.5-5 at%. Ni concentration and Fe concentration in the shell part are each 0.3-3 at%.
Provided is a multilayer ceramic capacitor that exhibits both excellent capacitance and excellent insulation reliability. A multilayer ceramic capacitor according to an aspect of the present invention comprises a body, a first external electrode, and a second external electrode. The body has: a first internal electrode layer containing Ni, Fe, and Al; a second internal electrode layer; a dielectric layer; and a first intermediate layer. The dielectric layer is disposed between the first internal electrode layer and the second internal electrode layer. The first intermediate layer is provided between the first internal electrode layer and the dielectric layer, and contains Fe and Al. The Al content ratio, which represents the ratio of the Al concentration to the Fe concentration in the first internal electrode layer, is 0.75-3.0.
The present invention supresses a decrease in effective capacitance in a capacitor comprising an intermediate layer containing Fe. A capacitor according to one embodiment of the present invention comprises a body, a first external electrode provided to the body, and a second external electrode provided to the body. The body includes: a first internal electrode layer which contains a first concentration of Fe; a second internal electrode layer; a dielectric layer which is disposed between the first internal electrode layer and the second internal electrode layer in a first direction; and a first intermediate layer which is provided between the first internal electrode layer and the dielectric layer and contains a second concentration of Fe. The first external electrode is electrically connected to the first internal electrode layer, and the second external electrode is electrically connected to the second internal electrode layer. The first external electrode contains an Ni plating layer. The first concentration is 0.01 at% or more. The second concentration is three or more times the first concentration and 2 at% or less.
This multilayer ceramic electronic component comprises: a first external electrode which is provided on one end part of a ceramic element; and a second external electrode which is provided on the other end part of the ceramic element. Internal electrodes, which are provided within the ceramic element, comprise: a lead-out internal electrode which is connected to the first external electrode or the second external electrode; and a first floating electrode which is provided so as to face the lead-out internal electrode within the ceramic element, with a dielectric layer being interposed therebetween, and so as to be at a distance from the first external electrode and the second external electrode. At least one of the lead-out internal electrode and the first floating electrode is provided with a first boundary layer that is in contact with the dielectric layer which is formed between the lead-out internal electrode and the first floating electrode. The boundary layer contains at least one of Au, Pt, Ag, Fe, Sn, Ge, Hf, In, Si, V and Y.
This multilayer ceramic electronic component comprises: a base body in which a plurality of internal electrode layers and a plurality of dielectric layers are alternately layered, which has a generally rectangular cuboid shape, and in which the plurality of internal electrode layers are alternately drawn out to two end surfaces, of the generally rectangular cuboid shape, opposite each other; and an external electrode provided on each of the two end surfaces. The plurality of internal electrode layers contain copper and nickel. In the plurality of internal electrode layers, copper is contained at center points of the two end surfaces in the direction in which the two end surfaces are opposite each other, and the concentration of copper at an end portion closer to the external electrode connected thereto is higher than that at the center point.
H01C 7/02 - Résistances fixes constituées par une ou plusieurs couches ou revêtements; Résistances fixes constituées de matériau conducteur en poudre ou de matériau semi-conducteur en poudre avec ou sans matériau isolant à coefficient de température positif
H01C 7/04 - Résistances fixes constituées par une ou plusieurs couches ou revêtements; Résistances fixes constituées de matériau conducteur en poudre ou de matériau semi-conducteur en poudre avec ou sans matériau isolant à coefficient de température négatif
H01C 7/10 - Résistances fixes constituées par une ou plusieurs couches ou revêtements; Résistances fixes constituées de matériau conducteur en poudre ou de matériau semi-conducteur en poudre avec ou sans matériau isolant sensibles à la tension, p.ex. varistances
H01C 7/18 - Résistances fixes constituées par une ou plusieurs couches ou revêtements; Résistances fixes constituées de matériau conducteur en poudre ou de matériau semi-conducteur en poudre avec ou sans matériau isolant comprenant une pluralité de couches empilées entre les bornes
H01F 17/04 - Inductances fixes du type pour signaux avec noyau magnétique
A multilayer ceramic electronic component according to one embodiment of the present invention comprises a base body including a capacitance part in which a plurality of dielectric layers containing a ceramic as the main ingredient and a plurality of internal electrode layers are laminated. The elements Al or Cr, Fe, and Si are all present in the capacitance part, and at least one of these elements is deposited in the internal electrode layers.
This laminated ceramic electronic component comprises: a ceramic element body in which dielectric layers and inner electrodes are laminated on each other in a first axial direction; and a pair of outer electrodes which are respectively provided to end sections in a third axial direction of the ceramic element body and provided so as to be electrically connected to the inner electrodes respectively drawn out to different end surfaces of the ceramic element body in the third axial direction. The pair of outer electrodes are each provided with a first region and a second region in order from a side close to the ceramic element body. The average particle diameter of crystals that form the first region is smaller than the average particle diameter of crystals that form the second region.
H01C 7/02 - Résistances fixes constituées par une ou plusieurs couches ou revêtements; Résistances fixes constituées de matériau conducteur en poudre ou de matériau semi-conducteur en poudre avec ou sans matériau isolant à coefficient de température positif
H01C 7/04 - Résistances fixes constituées par une ou plusieurs couches ou revêtements; Résistances fixes constituées de matériau conducteur en poudre ou de matériau semi-conducteur en poudre avec ou sans matériau isolant à coefficient de température négatif
H01C 7/10 - Résistances fixes constituées par une ou plusieurs couches ou revêtements; Résistances fixes constituées de matériau conducteur en poudre ou de matériau semi-conducteur en poudre avec ou sans matériau isolant sensibles à la tension, p.ex. varistances
This circuit board comprises a first multilayer ceramic electronic component and a second multilayer ceramic electronic component. The multilayer ceramic electronic components each have a height dimension that is at least 1.3 times the width dimension thereof. The first multilayer ceramic electronic component and the second multilayer ceramic electronic component have mutually orthogonal length directions, and are disposed on a mounting surface so as to be adjacent to each other in a state such that a region, in which a range covering the width direction of the first multilayer ceramic electronic component is extended in the length direction of the first multilayer ceramic electronic component, overlaps with one of a first outer electrode and a second outer electrode provided to the second multilayer ceramic electronic component.
This circuit board comprises: a multilayer ceramic electronic component mounted on a mounting surface of the board; and another electronic component mounted on the mounting surface of the board so as to be adjacent to the multilayer ceramic electronic component. The multilayer ceramic electronic component and the other electronic component each have a first external electrode and a second external electrode. A height dimension of the multilayer ceramic electronic component is at least 1.3 times a width or length dimension of the multilayer ceramic electronic component. The multilayer ceramic electronic component and the other electronic component are mounted on the mounting surface in a side-by-side arrangement with the height directions thereof being perpendicular to the mounting surface and the width directions thereof being the same with each other. The multilayer ceramic electronic component is arranged such that at least one of the first external electrode and the second external electrode is located between the first external electrode and the second external electrode of the other electronic component.
This circuit board comprises first and second multilayer ceramic electronic components. The height dimension of the first multilayer ceramic electronic component is at least 1.3 times the width dimension or the length dimension thereof. The first multilayer ceramic electronic component is mounted on a mounting surface with the height direction of the component coinciding with a direction along a first axis, the width direction thereof coinciding with a direction along a second axis orthogonal to the direction along the first axis, and the length direction thereof coinciding with a direction along a third axis. The first multilayer ceramic electronic component and the second multilayer ceramic electronic component are disposed adjacent to each other in the direction along the second axis on the mounting surface. The dimension of the second multilayer ceramic electronic component in the direction along the third axis is less than the distance between a first external electrode and a second external electrode of the first multilayer ceramic electronic component.
This multilayer ceramic electronic component is characterized by comprising: a generally rectangular cuboidal multilayer body which comprises internal electrode layers and dielectric layers alternately stacked upon each other, with the internal electrode layers being led out in a pair of end surfaces that are opposite to each other in a direction that is generally perpendicular to the stacking direction of the internal electrode layers and the dielectric layers; a pair of base electrode layers which are formed on the end surfaces so as to be connected to the internal electrode layers, and respectively extend from the end surfaces to both end surface-side ends of two surfaces opposite to each other among four surfaces of the multilayer body, the four surfaces being generally perpendicular to the pair of end surfaces; and a pair of plating electrode layers which respectively extend from the end surfaces to the both end surface-side ends of the two surfaces so as to cover the base electrode layers. This multilayer ceramic electronic component is also characterized in that the outer surfaces of the base electrode layers and/or the plating electrode layers are roughened.
This multilayer ceramic electronic component comprises: a ceramic body in which dielectric layers and internal electrodes are alternately layered along a first axial direction; and external electrodes provided so as to be electrically connected to the internal electrodes which lead out to the end faces of the ceramic body. In a section including the first axial direction and a third axial direction, the ceramic body has first recesses formed at an end of the internal electrodes and protrusions adjacent to the first recesses in the first axial direction. The external electrodes include a first metal layer formed along surfaces of the recesses and the protrusions.
This laminated ceramic electronic component comprises: a substantially rectangular parallelepiped laminate which has an inner electrode layer and a dielectric layer laminated on each other, and in which the inner electrode layer is drawn out to a pair of end surfaces facing each other in a first direction substantially orthogonal to the laminating direction of the inner electrode layer and the dielectric layer; a pair of metal electrode layers formed on the end surfaces so as to be connected to the inner electrode layer; and a conductive resin electrode layer that is adjacent to the end surfaces among six surfaces of the laminate, that covers a first-direction end of one surface substantially orthogonal to the laminating direction, and that is connected to an end at one surface side of one of the metal electrode layers. In cross-sectional views of the laminate in the laminating direction and the first direction, the maximum value of the thicknesses of the metal electrode layers on the end surfaces is less than the maximum value of the thickness of the resin electrode layer on the first-direction end of the one surface.
In order to perform regenerative braking in an electrically-assisted vehicle in accordance with the intent of a rider, this motor control device comprises: (A) a driving unit that causes a motor to perform powered driving or regenerative braking; and (B) a control unit that, when it is detected that a brake operation has continued for a time less than or equal to a prescribed time, causes the driving unit to perform first regenerative braking after cessation of the brake operation which has continued for the time less than or equal to the prescribed time. Preferably, the control unit causes the driving unit to start the first regenerative braking regardless of the speed of an electrically-assisted vehicle which moves with a motor.
This multilayer ceramic electronic component is provided with: an element which is obtained by alternately stacking a plurality of dielectric layers and a plurality of internal electrode layers into a generally rectangular cuboidal shape in such a manner that the plurality of stacked internal electrode layers are alternately exposed in two end surfaces of the generally rectangular cuboidal shape, the two end surfaces being opposite to each other; and external electrodes which are provided on the two end surfaces. The internal electrode layers, which are connected to the external electrodes, protrude beyond the dielectric layers toward the external electrodes at the end surfaces. The external electrodes each have a recess at the outer peripheral part when viewed in plan with respect to the end surfaces.
H01C 7/10 - Résistances fixes constituées par une ou plusieurs couches ou revêtements; Résistances fixes constituées de matériau conducteur en poudre ou de matériau semi-conducteur en poudre avec ou sans matériau isolant sensibles à la tension, p.ex. varistances
H01C 7/18 - Résistances fixes constituées par une ou plusieurs couches ou revêtements; Résistances fixes constituées de matériau conducteur en poudre ou de matériau semi-conducteur en poudre avec ou sans matériau isolant comprenant une pluralité de couches empilées entre les bornes
H01C 17/065 - Appareils ou procédés spécialement adaptés à la fabrication de résistances adaptés pour déposer en couche le matériau résistif sur un élément de base par des techniques de film épais, p.ex. sérigraphie
66.
LAMINATED CERAMIC ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING SAME
This laminated ceramic electronic component includes: a ceramic body including a pair of main surfaces that face each other along a first axis direction and on which dielectric layers and internal electrodes are alternately laminated along the first axis direction, a pair of side surfaces that face each other in a second axis direction orthogonal to the first axis direction, and a pair of end surfaces that face each other in a third axis direction orthogonal to the first axis direction and the second axis direction; and a pair of external electrodes provided respectively on third-axis-direction ends of the ceramic body and provided so as to be conductive with internal electrodes each drawn out onto the surface of a different third-axis- direction end of the ceramic body. The internal electrodes are formed from Ni or a metal having Ni as a main component and, in plan view in which the ceramic body is viewed from the first axis direction, include, in at least a portion of the periphery, a diffusion region including a metal different than the main component of the internal electrodes.
This multilayer ceramic electronic component is characterized by having: a generally rectangular cuboidal multilayer body that comprises internal electrode layers and dielectric layers, which are alternately stacked with each other, while having the internal electrode layers led out from a pair of end surfaces that are opposite to each other in a direction that is generally perpendicular to the staking direction of the internal electrode layers and the dielectric layers; a pair of end surface electrode layers which cover the end surfaces so as to be connected to the internal electrode layers, and which extend from the end surfaces to a pair of corners between the end surfaces and four surfaces among the six surfaces of the multilayer body, the four surfaces being other than the end surfaces; and a peripheral surface electrode layer which extends from the edges of four surfaces other than the end surfaces among the six surfaces of the multilayer body in the generally perpendicular direction to the corners, and which covers the end surface electrode layers at the corners.
This ceramic electronic component: has a dimension in a first direction, a dimension in a second direction orthogonal to the first direction, and a dimension in a third direction orthogonal to the first direction and the second direction that are all at least 1 mm; and is provided with a multilayer chip that has a substantially rectangular parallelepiped shape, has a plurality of dielectric layers and a plurality of internal electrode layers, which contain a metal as a main component, that are alternately layered in the third direction, and is formed so that the plurality of internal electrode layers are alternately exposed on a first end surface and a second end surface facing the second direction. The lamination density of the internal electrode layers in a capacitance part is at least 700 layers/mm, and at least the first internal electrode layers disposed at the center of the multilayer chip in the third direction comprise a metal component having a melting point of 700°C or less.
This circuit board comprises a first multilayer ceramic electronic component and a second multilayer ceramic electronic component. Each multilayer ceramic electronic component has a height dimension of 1.3 times or more with respect to the width dimension or the length dimension, and the multilayer ceramic electronic components are adjacently arranged in a state where the respective width directions are aligned in the same direction. In addition, one of a first external electrode and a second external electrode included in the first multilayer ceramic electronic component is positioned between a first external electrode and a second external electrode included in the second multilayer ceramic electronic component, and one of the first external electrode and the second external electrode included in the second multilayer ceramic electronic component is disposed in a staggered state in the length direction so as to be positioned between the first external electrode and the second external electrode included in the first multilayer ceramic electronic component.
A detection device includes a plurality of sensors each of which is configured to detect one or more substances causing an odor in a gas, a storage chamber that stores the plurality of sensors, one or more sensor substrates each forming at least a part of a lower surface of the storage chamber and each having an upper surface on which one or more of the plurality of sensors are mounted, and a cover provided on the one or more of sensor substrate, having one or more openings that expose the plurality of sensors, and being in contact with the upper surface of the one or more sensor substrates.
G01N 27/22 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant l'impédance en recherchant la capacité
G01N 27/02 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant l'impédance
G01N 27/12 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant l'impédance en recherchant la résistance d'un corps solide dépendant de la réaction avec un fluide
G01N 33/00 - Recherche ou analyse des matériaux par des méthodes spécifiques non couvertes par les groupes
71.
CERAMIC ELECTRONIC DEVICE AND MANUFACTURING METHOD OF THE SAME
A ceramic electronic device includes a multilayer chip in which dielectric layers and internal electrode layers each including Ni as a main phase are alternately stacked. At least one of the dielectric layers includes Si. One of the internal electrode layers next to the at least one of the dielectric layers includes a layer including an additive element including one or more of Au, Pt, Cu, Fe, Cr, Zn, and In. A peak of a concentration of the additive element and/or a peak of a concentration of Si in the one of the internal electrode layers and the at least one of the dielectric layers exist(s) in a region within 15 nm in a thickness direction from an interface between the one of the internal electrode layers and the at least one of the dielectric layers.
C04B 35/468 - Produits céramiques mis en forme, caractérisés par leur composition; Compositions céramiques; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de titane ou de titanates à base de titanates à base de titanates de métaux alcalino-terreux à base de titanates de baryum
An acoustic wave device includes a support substrate, a piezoelectric layer provided on the support substrate, at least one pair of comb-shaped electrodes provided on the piezoelectric layer, the at least one pair of comb-shaped electrodes including a plurality of electrode fingers, a first intermediate layer provided between the support substrate and the piezoelectric layer, a second intermediate layer provided between the support substrate and the first intermediate layer, the second intermediate layer having a porosity higher than a porosity of the first intermediate layer, and a third intermediate layer provided between the support substrate and the second intermediate layer, the third intermediate layer having a porosity lower than the porosity of the second intermediate layer.
H03H 9/15 - Réseaux comprenant des éléments électromécaniques ou électro-acoustiques; Résonateurs électromécaniques - Détails de réalisation de résonateurs se composant de matériau piézo-électrique ou électrostrictif
H03H 9/70 - Réseaux à plusieurs accès pour connecter plusieurs sources ou charges, fonctionnant sur des fréquences ou dans des bandes de fréquence différentes, à une charge ou à une source commune
73.
ALL SOLID BATTERY AND EVALUATION METHOD OF THE SAME
An all solid battery includes a solid electrolyte layer, a first electrode layer that is provided on a first main face of the solid electrolyte layer and includes an electrode active material, and a second electrode layer that is provided on a second main face of the solid electrode layer and includes an electrode active material. when the all solid battery is heated with an increase rate of 20° C./min, CO2 of 30 mg/cm3 or more and 53 mg/cm3 or less is externally generated from the all solid battery from 550° C. to 700° C. and CO2 of 90 mg/cm3 or more and 155 mg/cm3 or less is externally generated from the all solid battery from 550° C. to 750° C., per a unit volume (cm3) of the all solid battery.
H01M 10/48 - Accumulateurs combinés à des dispositions pour mesurer, tester ou indiquer l'état des éléments, p.ex. le niveau ou la densité de l'électrolyte
H01M 10/0585 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure plats, c. à d. des électrodes positives plates, des électrodes négatives plates et des séparateurs plats
33 and having a core 411 and a shell 412 covering the core 411 and containing a rare-earth element and manganese; and a second crystalline particle 42 containing, as a main component, a barium titanate composite oxide having a ratio of elemental barium relative to elemental titanium of 0.70 or less.
C04B 35/468 - Produits céramiques mis en forme, caractérisés par leur composition; Compositions céramiques; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de titane ou de titanates à base de titanates à base de titanates de métaux alcalino-terreux à base de titanates de baryum
This ceramic electronic component is characterized by comprising: a laminated chip in which a first-direction dimension is at least 1.3 times as large as a second-direction dimension that is orthogonal to the first direction, and a plurality of dielectric layers and a plurality of internal electrode layers principally containing Ni are laminated in an alternating manner in the second direction, said laminated chip having a substantially rectangular solid shape, and being formed so that the plurality of internal electrode layers are alternatingly exposed at a first end surface and a second end surface that face a third direction orthogonal to both the first direction and the second direction; and a pair of external electrodes provided to the first end surface and the second end surface, each of the plurality of internal electrode layers containing a metal component having a melting point of 700°C or lower, and a first-direction end part of one or more internal electrode layers among the plurality of internal electrode layers being in contact with a void.
This multilayer ceramic electronic component is provided with an element that comprises a multilayer portion in which a plurality of dielectric layers and a plurality of inner electrode layers are stacked. At least one of the plurality of dielectric layers contains first particles that are mainly composed of a ceramic that is a main component of the dielectric layers, and second particles that are mainly composed of a rare earth oxide. At least some of the second particles are in contact with both of two adjacent internal electrode layers.
This multilayer ceramic electronic component is provided with: an element which comprises a multilayer part that is obtained by stacking a plurality of dielectric layers and a plurality of internal electrode layers; and a pair of external electrodes which are provided on the surface of the element. With respect to a temperature-programmed desorption gas analysis performed by heating the element to 800°C at a heating rate of 15°C/minute after removing the pair of external electrodes, if X is the peak intensity of water vapor in the range from 80°C to 150°C and Y is the peak intensity of water vapor in the range from 600°C to 800°C, the relational expression 0.19 ≤ Y/X < 0.45 is satisfied.
A multilayer ceramic capacitor according to one aspect of the present invention comprises a plurality of terminal electrodes containing a metal having nickel as a main component element on the surface of at least one cover layer of a multilayer chip. On the terminal-electrode-facing part of the cover layer, in an element distribution map created by measuring the nickel concentration distribution within any cross-section parallel to the layering direction, there are nickel segregation regions recognized as regions having a maximum dimension of 0.4 µm or greater in which the concentration of nickel is higher than that in surrounding regions, and among the nickel segregation regions, the density of those having a maximum dimension of 0.5 µm or greater is at least 0.015 locations/µm2. Additionally, on the terminal-electrode-non-facing part of the cover layer, in the element distribution map created by measuring the nickel concentration distribution within any cross-section parallel to the layering direction, the density of the nickel segregation regions having a maximum dimension of 0.5 µm or greater is no greater than 0.008 locations/µm2.
A ceramic electronic component includes: a ceramic body including main surfaces perpendicular to a first axis and end surfaces perpendicular to a second axis; and external electrodes covering the end surfaces and extending from the end surfaces to the main surfaces. The external electrode includes a surface layer portion including a Sn plating layer, and an inner layer portion including a Ni plating layer adjacent to the Sn plating layer and including rounded inner end portions on the main surfaces. In a cross-section perpendicular to a third axis, a ratio t2/t1 is 0.4 or more, where t2 is a thickness in the first axis direction of a portion where an inclination of a tangent line of an outer surface of the inner end portion to each main surface is 45°, and t1 is a maximum thickness in the first axis direction of the inner layer portion on each main surface.
This laminated ceramic electronic component comprises: a substantially rectangular-parallelopiped laminated body which has a plurality of inner electrode layers and a plurality of dielectric layers laminated on each other, and in which the plurality of inner electrode layers are drawn out to a pair of end surfaces opposite to each other in a direction substantially perpendicular to the laminating direction of the plurality of inner electrode layers and the plurality of dielectric layers; and an external electrode including a ground layer provided to the end surfaces so as to be connected to the inner electrode layers, a resin electrode layer provided on the ground layer and containing a plurality of aluminum fillers covered with silver, and a plating layer provided on the resin electrode layer.
H01C 7/02 - Résistances fixes constituées par une ou plusieurs couches ou revêtements; Résistances fixes constituées de matériau conducteur en poudre ou de matériau semi-conducteur en poudre avec ou sans matériau isolant à coefficient de température positif
H01C 7/04 - Résistances fixes constituées par une ou plusieurs couches ou revêtements; Résistances fixes constituées de matériau conducteur en poudre ou de matériau semi-conducteur en poudre avec ou sans matériau isolant à coefficient de température négatif
H01C 7/10 - Résistances fixes constituées par une ou plusieurs couches ou revêtements; Résistances fixes constituées de matériau conducteur en poudre ou de matériau semi-conducteur en poudre avec ou sans matériau isolant sensibles à la tension, p.ex. varistances
A dielectric material includes a main component, a first subcomponent, a second subcomponent, and a third subcomponent. The main component includes barium titanate. The first subcomponent includes zirconium of 2 mol or more and 10 mol or less with respect to 100 mol of titanium of the dielectric material, so that a molar ratio of barium to a sum of titanium and zirconium in the dielectric material is more than 0.90 and less than 0.98. The second subcomponent includes gadolinium of 0.5 mol or more and 2 mol or less with respect to 100 mol of titanium in the dielectric material. The third subcomponent includes 0.01 mol or more and 2 mol or less of manganese with respect to 100 mol of titanium in the dielectric material.
A ceramic element provided to this laminated ceramic electronic component has step parts formed on both ends following the longitudinal direction in at least one surface from among a pair of main surfaces and a pair of side surfaces. Both longitudinal-direction ends of the ceramic element are provided with external electrodes, each of which has a base layer provided so as to cover the respective step part and a plating layer that covers the base layer. Center-side ends of the base layers positioned on the center side of the ceramic element have portions positioned closer to the center of the ceramic element than center-side ends of the step parts positioned on the center side of the ceramic element.
A multilayer ceramic capacitor according to one aspect of the present invention includes: a capacitor section, in which a dielectric layer formed from dielectric porcelain and an internal electrode having a metal as a main component are alternatingly stacked; and a protection section including a cover layer formed from dielectric porcelain and disposed at both ends in a stacking direction of the capacitor section, and a side margin layer formed from dielectric porcelain and disposed at both ends in a direction perpendicular to the stacking direction of the capacitor section. The multilayer ceramic capacitor further includes: a multilayer chip having an extraction surface on which the internal electrode is extracted; and a terminal section that electrically connects the internal electrodes extracted on the extraction surface of the multilayer chip to each other, and that is formed on the surface of the protection section. The terminal section includes an external electrode that contacts the protection section, has nickel as a main component element, and includes a porous metal section including a plurality of flat pores arranged along the surface of the terminal section.
This ceramic electronic component comprises: a laminated chip having a substantially rectangular cuboid shape and including a laminate in which a pair of cover layers are respectively provided above and below a laminated structure, said laminated structure being obtained by laminating, in an alternating manner, a plurality of dielectric layers and a plurality of internal electrode layers that have Ni as the main component thereof and that include a low melting point metal, said pair of cover layers having a ceramic as the main component thereof and having a higher Mg concentration than the dielectric layers, and a pair of side margins which cover two side faces of the laminate that are opposite from each other; and a pair of external electrodes provided respectively to a first end face and a second end face of the substantially rectangular cuboid shape which are opposite from each other, and being provided with a plating layer on an underlayer. The plurality of internal electrode layers are alternatingly exposed to the first end face and the second end face. At least an outermost internal electrode layer among the plurality of internal electrode layers has an oxide containing Ni and Mg at both end parts thereof in the width direction. At least some of the plurality of internal electrode layers are in contact with a void in end margin at both end parts thereof in the width direction.
Disclosed herein is a coil component including a conductor including a circling portion and an extension portion, a magnetic base containing magnetic metal particles and including the circling portion, and an external electrode electrically connected to the extension portion. The magnetic base includes a first magnetic portion containing first magnetic metal particles and a second magnetic portion containing second magnetic metal particles with a particle size smaller than that of the first magnetic metal particles, the first magnetic portion is positioned on one side and the second magnetic portion is positioned on another side across the circling portion. The external electrode is provided in contact with the first magnetic portion.
H01F 27/06 - Montages, supports ou suspensions de transformateurs, réactances ou bobines d'arrêt
H01F 27/255 - Noyaux magnétiques fabriqués à partir de particules
H01F 27/34 - Moyens particuliers pour éviter ou réduire les effets électriques ou magnétiques indésirables, p.ex. pertes à vide, courants réactifs, harmoniques, oscillations, champs de fuite
86.
COIL COMPONENT, CIRCUIT MODULE, ELECTRONIC DEVICE, AND METHOD OF MANUFACTURING COIL COMPONENT
Provided is a coil component including a base body having a first surface and including an insulating material, the first surface having a first region, a second region, and a third region provided between the first region and the second region and rougher than the first region and the second region, a coil conductor provided in the base body, a first external electrode connected to one end of the coil conductor and provided on the base body in the first region, and a second external electrode connected to another end of the coil conductor and provided on the base body in the second region.
H01F 41/04 - Appareils ou procédés spécialement adaptés à la fabrication ou à l'assemblage des aimants, des inductances ou des transformateurs; Appareils ou procédés spécialement adaptés à la fabrication des matériaux caractérisés par leurs propriétés magnétiques pour la fabrication de noyaux, bobines ou aimants pour la fabrication de bobines
H01F 41/10 - Raccord des connexions aux enroulements
87.
MULTILAYER CERAMIC ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREOF
Provided is a multilayer ceramic electronic component including a ceramic element having a multilayer body in which internal electrodes are stacked with interposition of a dielectric layer and the internal electrodes are led out in a direction orthogonal to a stacking direction, and a protective part located at least on upper and lower surfaces of the multilayer body in the stacking direction, an underlying electrode layer formed at least on part of a surface of the protective part on either one or both of upper and lower sides in the stacking direction, a covering layer that covers an end part or a rim part of the underlying electrode layer, a plating layer that covers at least an upper surface of the underlying electrode layer, and at least a pair of external electrodes having the underlying electrode layer and the plating layer and being electrically connected to the internal electrodes.
09 - Appareils et instruments scientifiques et électriques
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
Produits et services
Power distribution or control machines and apparatus; rotary
converters; phase modifiers; solar cells; electrical cells
and batteries; measuring devices, electric; digital panel
meters; chargers for electric accumulators; power
controllers. Motors, electric, for land vehicles; two-wheeled motor
vehicles, bicycles and their parts and fittings.
89.
ALL SOLID BATTERY, CIRCUIT SUBSTRATE AND MANUFACTURING METHOD OF ALL SOLID BATTERY
An all solid battery includes a multilayer structure in which each of a plurality of solid electrolyte layers and each of a plurality of internal electrodes including an electrode active material are alternately stacked, a first cover layer provided on a first end of the multilayer structure in a stacking direction, and a second cover layer provided on a second end of the multilayer structure in the stacking direction. The first cover layer and the second cover layer include a solid electrolyte and filler materials dispersed in the solid electrolyte. One of the plurality of solid electrolyte layers not including the filler materials is arranged between the first cover layer and one of the plurality of internal electrodes located closest to the first cover layer. The second cover layer directly contacts another one of the plurality of internal electrodes located closest to the second cover layer.
A ceramic electronic device includes a multilayer structure in which each of a plurality of dielectric layers of which a main component is ceramic and each of a plurality of internal electrode layers are alternately stacked. The plurality of internal electrode layers include Ni and Sn. Each of an upper section and a lower section of the plurality of internal electrode layers includes multiple internal electrode layers each having a Sn concentration higher than that of each internal electrode layer of a center section interposed between the upper and lower sections in a stacking direction, which are constituted by top 5% or more and bottom 5% or more of the plurality of internal electrode layers, respectively.
C04B 35/468 - Produits céramiques mis en forme, caractérisés par leur composition; Compositions céramiques; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de titane ou de titanates à base de titanates à base de titanates de métaux alcalino-terreux à base de titanates de baryum
A dielectric body includes a plurality of crystal grains of which a main component is barium titanate, and an additive including Zr, Eu and Mn. At least one of the plurality of crystal grains has a core-shell structure having a core and a shell. A Zr/Ti atomic concentration ratio is 0.02 or more and 0.10 or less. An Eu/Ti atomic concentration ratio is 0.001 or more and 0.03 or less. A Mn/Ti atomic concentration ratio is 0.005 or more and 0.05 or less.
C04B 35/468 - Produits céramiques mis en forme, caractérisés par leur composition; Compositions céramiques; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de titane ou de titanates à base de titanates à base de titanates de métaux alcalino-terreux à base de titanates de baryum
C04B 35/626 - Préparation ou traitement des poudres individuellement ou par fournées
A multilayer ceramic electronic device includes internal electrodes, dielectric layers each of which includes a main component, a first subcomponent, a second subcomponent, and a third sub component. The main component includes titanium and includes at least one of barium or calcium. A molar ratio of a sum of barium and calcium to titanium is 1.045 or more and 1.100 or less. The first sub component includes 3 mol or more and 6 mol or less of a rare earth element, with respect to 100 mol of titanium in the dielectric layers. The second sub component includes 3 mol or more and 7 mol or less of manganese, with respect to 100 mol of titanium in the dielectric layers. The third sub component includes 0.6 weight % or more and 2.4 weight % or less of borosilicate glass with respect to each of the plurality of dielectric layers.
C04B 35/468 - Produits céramiques mis en forme, caractérisés par leur composition; Compositions céramiques; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxydes de titane ou de titanates à base de titanates à base de titanates de métaux alcalino-terreux à base de titanates de baryum
A laminated ceramic capacitor according to one embodiment of the present invention comprises: an approximate hexahedron ceramic element that is formed by laminating a plurality of internal electrodes with a dielectric layer therebetween, and that has an upper surface and a lower surface facing each other in the lamination direction, a pair of end surfaces which face each other, which are in parallel to the lamination direction, and to which the internal electrodes are drawn, and a pair of side surfaces which face each other and which are orthogonal to each of the upper surface, the lower surface, and the end surfaces; and a pair of external electrodes that are provided so as to cover the respective pair of end surfaces, and to partially cover, by going around, the pair of side surfaces the side surfaces, and the upper surface and the lower surface adjacent to the end surfaces. The pair of end surfaces each have a protruding shape made of a curved surface.
A multilayer ceramic capacitor according to one aspect of the present invention is provided with: a multilayer chip which comprises a plurality of dielectric layers that are formed of a dielectric ceramic, and internal electrodes that are respectively disposed on the upper and lower surfaces of each one of the dielectric layers and contain nickel as a main component element, while additionally containing at least two additional elements, which are selected from the group consisting of silicon and metal elements that form an alloy with nickel, in an amount of 10% by atom or less relative to the amount of nickel, the multilayer chip being provided with a pair of lead-out surfaces which are opposite to each other, and from which the internal electrodes are alternately led out and exposed; and external electrodes which electrically connect the internal electrodes that are led out from the lead-out surfaces of the multilayer chip to each other.
A method of manufacturing a coil component includes providing an intermediate body, heating the intermediate body at a first temperature ranging from 100 to 350° C., and after the heating at the first temperature, heating the intermediate body at a higher second temperature ranging from 600 to 900° C. The providing of the intermediate body including (i) preparing a base material having a flat plate shape or a wire shape, (ii) bending the base material to form a conductor portion, (iii) preparing a metal magnetic paste containing a resin and a plurality of metal magnetic particles mainly composed of iron, and (iv) applying a molding pressure to the metal magnetic paste covering the base material to form the intermediate body including a substrate body containing the plurality of metal magnetic particles and the conductor portion. The magnetic base body including an oxide coating film containing iron oxide on a surface of each of the metal magnetic particles.
H01F 41/04 - Appareils ou procédés spécialement adaptés à la fabrication ou à l'assemblage des aimants, des inductances ou des transformateurs; Appareils ou procédés spécialement adaptés à la fabrication des matériaux caractérisés par leurs propriétés magnétiques pour la fabrication de noyaux, bobines ou aimants pour la fabrication de bobines
B22F 1/16 - Particules métalliques revêtues d'un non-métal
H01F 1/26 - Aimants ou corps magnétiques, caractérisés par les matériaux magnétiques appropriés; Emploi de matériaux spécifiés pour leurs propriétés magnétiques en matériaux inorganiques caractérisés par leur coercivité en matériaux magnétiques doux métaux ou alliages sous forme de particules, p.ex. de poudre comprimées, frittées ou agglomérées les particules étant isolées au moyen de substances organiques macromoléculaires
H01F 17/04 - Inductances fixes du type pour signaux avec noyau magnétique
H01F 41/02 - Appareils ou procédés spécialement adaptés à la fabrication ou à l'assemblage des aimants, des inductances ou des transformateurs; Appareils ou procédés spécialement adaptés à la fabrication des matériaux caractérisés par leurs propriétés magnétiques pour la fabrication de noyaux, bobines ou aimants
96.
PULSE WAVE DETECTION DEVICE AND WEARABLE PULSE WAVE DETECTION DEVICE
This pulse wave detection device is provided with: a sensor substrate; a plurality of light-emitting elements which are arranged in a first line on a main surface of the sensor substrate; a plurality of light-receiving elements which are arranged in a second line that is parallel with the first line on the main surface, in which at least one of the plurality of light-receiving elements is provided in a first region on the main surface, at least one of the plurality of light-receiving elements is provided on a second region of the main surface, the second region and the first region dividing the main surface into two regions, the boundary between the second region and the first region being perpendicular to the direction of the second line; and a processing circuit which changes the output of light from the plurality of light-emitting elements on the basis of a first signal output from the at least one light-receiving element provided in the first region and a second signal output from the at least one light-receiving element provided in the second region, and then detects a pulse wave on the basis of signals output from the plurality of light-receiving elements.
A61B 5/02 - Mesure du pouls, du rythme cardiaque, de la pression sanguine ou du débit sanguin; Détermination combinée du pouls, du rythme cardiaque, de la pression sanguine; Evaluation d'un état cardio-vasculaire non prévue ailleurs, p.ex. utilisant la combinaison de techniques prévues dans le présent groupe et des techniques d'électrocardiographie; Sondes cardiaques pour mesurer la pression sanguine
A laminated ceramic capacitor according to one aspect of the present invention comprises: a plurality of dielectric layers formed of dielectric porcelain; internal electrodes respectively disposed on upper and lower surfaces of each of the dielectric layers and containing nickel, noble metal elements, and base metal elements forming an alloy with nickel; a laminated chip having a pair of drawing surfaces facing each other, from which the internal electrodes are drawn out and alternately exposed; and external electrodes that electrically connect the internal electrodes drawn out from the drawing surfaces of the laminated chip, in which there are 10 or more of segregation sites 22 of the base metal elements per single layer, the segregation sites being detected at a region 21 located in a capacity-forming part which overlaps with adjacent internal electrodes in a lamination direction, among the internal electrodes observed in a cross-section perpendicular to the drawing surfaces.
This circuit board comprises a first laminated ceramic electronic component and a second laminated ceramic electronic component. The laminated ceramic electronic components each have a height dimension that is 1.3 times the width dimension or the length dimension thereof, have the respective length directions oriented in the same direction, and are disposed on a mounting surface in a state of being lined up adjacently in the length direction such that one of a first external electrode and a second external electrode provided to the first laminated ceramic electronic component and one of a first external electrode and a second external electrode provided to the second laminated ceramic electronic component face each other along the length direction.
A multilayer ceramic electronic component includes a main body including a laminated portion in which a plurality of dielectric layers and a plurality of internal electrode layers are laminated; and a pair of external electrodes provided on surfaces of the main body, wherein in a capacitor section where the internal electrode layers electrically connected to one of the pair of external electrodes and the internal electrode layers electrically connected to another of the pair of external electrodes face each other, an average diameter d of dielectric particles in the dielectric layers in a center portion is smaller than an average diameter D of the dielectric particles in the dielectric layers in at least a part of an outer peripheral portion outside the center portion.
An odor measuring device includes a sensor chamber that stores a sensor detecting an odor substance and has a first inlet and a first outlet, a treatment chamber that stores a measurement object and has a second inlet and a second outlet, a first flow path that connects the first outlet and the second inlet, a second flow path that connects the second outlet and the first inlet, a supplier that circulates a gas between the sensor chamber and the treatment chamber through the first flow path and the second flow path, and a measurer that acquires a detected value from the sensor and measures an odor based on the detected value.
