Abstract: A multilayer ceramic electronic component includes a ceramic body having internal electrodes stacked in a direction of a first axis, and end surfaces perpendicular to a second axis orthogonal to the first axis, and external electrodes covering the end surfaces of the ceramic body, respectively, wherein each of the external electrodes includes a base film formed on a corresponding one of the end surfaces and connected to the plurality of internal electrodes that are led out to the corresponding end surface, a first Ni film formed on the base film, a second Ni film formed on the first Ni film, a surface layer film formed on the second Ni film, and a metal film that is formed between the first Ni film and the second Ni film and contains a metal having a Young's modulus lower than that of Ni, as a main component.

Abstract: An inductor according to one embodiment of the present invention includes: a base body having a mounting surface, a top surface, and a first end surface; first and second external electrodes attached to the mounting surface and spaced from each other; and an internal conductor disposed in the base body and extending linearly from the first external electrode to the second external electrode. One end of the internal conductor is exposed from the mounting surface and connected to the first external electrode, and the other end of the internal conductor is exposed from the mounting surface and connected to the second external electrode. The base body is partitioned into a first region and a second region, the first region being enclosed by the internal conductor and the mounting surface, and a ratio of an area of the second region to an area of the first region is 0.95 to 1.0.

Abstract: A ceramic electronic device includes, a multilayer chip in which each of a plurality of dielectric layers and each of a plurality of internal electrode layers are alternately stacked, external electrodes provided on the first end face and the second end face, and a water repellent agent formed on a surface of the external electrodes. A thickness A (>0) of the water repellent agent on at least one of four faces of the external electrodes that cover an upper face in a stacking direction, a lower face in the stacking direction, and two side faces of the multilayer chip is larger than a thickness B (>0) of the water repellent agent on faces of the external electrodes that cover the first end face and the second end face.

Abstract: A solid oxide fuel cell includes: a support layer mainly composed of a metal; an anode supported by the support; and a mixed layer interposed between the support and the anode, wherein the anode includes an electrode bone structure composed of a ceramic material containing a first oxide having electron conductivity and a second oxide having oxygen ion conductivity, and the mixed layer has a structure in which a metallic material and a ceramic material are mixed.

Abstract: Disclosed is a taping apparatus including: a tray storage device supplying a designated one of plural kinds of trays on which respective different kinds of parts are scattered; a carrier tape feed device intermittently moving a designated one of plural kinds of carrier tapes which correspond to the respective different kinds of parts; a first camera capturing an image of the scattered parts on the designated tray; a first image recognizing device recognizing respective centers of the scattered parts; a rotary head individually sucking the scattered parts to rotatable suction nozzles; a second camera capturing an image of the parts sucked to the suction nozzles; a second image recognizing device recognizing respective orientations of the sucked parts; and a part inserting device adjusting the orientations of the sucked parts to orientations insertable into part storage recesses defined in the designated carrier tape and then inserting the parts into the part storage recesses, respectively.

Abstract: A coil element according to one embodiment includes: an insulator body including first insulating layers and second insulating layers laminated in a stacking direction; first conductive patterns formed on the first insulating layers; and second conductive patterns formed on the second insulating layers. The insulator body includes a first end region situated at a top in the stacking direction, a second end region situated at a bottom in the stacking direction, and an intermediate region situated between the first end region and the second end region. The insulator body includes a first portion and a second portion that is an area other than the first portion. The first portion covers upper and lower surfaces of one or more intermediate first conductive patterns in the intermediate region among the plurality of first conductive patterns. The electrical resistivity of the first portion is higher than that of the second portion.

Abstract: A multilayer ceramic capacitor includes a multilayer structure having a substantially rectangular parallelepiped shape and including dielectric layers and internal electrode layers that are alternately stacked, the dielectric layers being mainly composed of BaTiO3, the internal electrode layers being alternately exposed to two edge faces of the multilayer chip opposite to each other. A Zr/Ti ratio is 0.02 or more and 0.10 or less in a capacity section. A Ba/Ti ratio is more than 0.900 and less than 1.010 in the capacity section. A Eu/Ti ratio is 0.005 or more and 0.05 or less in the capacity section. A Mn/Ti ratio is 0.0005 or more and 0.05 or less in the capacity section. A total amount of a rare earth element or rare earth elements is less than the amount of Eu.

Abstract: A ceramic electronic component includes an element body, and first and second external electrodes formed on the element body. The element body has a dielectric, and first and second internal electrodes. The first external electrode includes a first base layer formed on the element body. The first base layer is connected to the first internal electrode and an edge of the first baser layer is present on a first surface of the element body. The first external electrode also includes a first plating layer formed on the first base layer. An edge of the first plating layer is present on the first surface of the element body at a position different from a position of the edge of the first base layer in a direction perpendicular to the first surface. The second external electrode has a similar structure to the first external electrode.

Abstract: A multilayer ceramic capacitor includes a ceramic body and first and second external electrodes. The ceramic body has a capacitance forming portion including first and second internal electrodes and ceramic layers. Each of the first and second internal electrodes has a first region arranged along margin portions of the ceramic body and a second region arranged at inner sides of the first region. Each of the first and second internal electrodes includes a conductive component, and a continuity rate of the conductive component in a plan view as seen from the second axial direction in the first region has a first value, and a continuity rate of the conductive component in the plan view as seen from the second axial direction in the second region has a second value, the first value being greater than the second value.

Abstract: A multilayer ceramic capacitor includes an element body. The element body includes a stack of first internal electrode layers, dielectric layers and second internal electrode layers. The element body has a first surface and a second surface opposite the first surface. The multilayer ceramic capacitor also includes a first external electrode formed on the first surface of the element body and a second external electrode formed on the second surface of the element body. The first internal electrode layer has a first current path extending in a first plane perpendicular to the first surface such that the first current path has a shorter component on the first plane in a first direction toward the first surface than in a second direction perpendicular to the first direction. The second internal electrode layer has a second current path that possesses a similar anisotropy to the first internal electrode layer.

Abstract: A ceramic capacitor includes: a multilayer structure in which each of a plurality of dielectric layers and each of a plurality of internal electrode layers are alternately stacked, wherein a main component of the plurality of dielectric layers is BaTiO3, wherein the plurality of dielectric layers include Mn as a first sub-component, Mg as a second sub-component, a rare earth element which is at least one of Ho and Dy as a third sub-component, V as a fourth sub-component, Si as a fifth sub-component, Ca as a sixth sub-component, wherein an average grain diameter of ceramic grains of the plurality of dielectric layers is 280 nm or more and 380 nm or less.

Abstract: An all solid battery includes: a multilayer chip in which each of solid electrolyte layers and each of electrodes are alternately stacked, a main component of the solid electrolyte layers being phosphoric acid salt-based solid electrolyte, the plurality of electrodes being alternately exposed to a first end face and a second end face of the multilayer chip, a first external electrode provided on the first end face; a second external electrode provided on the second end face; and wherein L/W is 0.2 or more and 1.1 or less, when a length of the multilayer chip in a first direction in which the first end face faces with the second end face is L, and a width of the multilayer chip in a second direction that is vertical to the first direction and a stacking direction of the multilayer chip is W.

Abstract: A multilayer ceramic electronic device includes a plurality of internal electrode layers, a plurality of dielectric layers, each of which has a perovskite structure that is expressed by a general formula of ABO3, a pair of cover layers respectively provided on an upper end and a lower end in a stacking direction in a capacity section, and has a main component that is a same as a main component of the plurality of dielectric layers. The capacity section has a first section positioned in a center portion in the stacking direction and a pair of second sections outside of the first section in the stacking direction. An A/B ratio of the first section is larger than the A/B ratio of the second section. The A/B ratio of the pair of cover layers is larger than the A/B ratio of the first section.

Abstract: A ceramic electronic device includes a multilayer chip having dielectric layers and internal electrode layers and having a first main face and a second main face that have a rectangular shape in a planar view, external electrodes each of which extends from the first main face to the second main face at each of two diagonal corners of the rectangular shape, the external electrodes being spaced from each other, each of the external electrodes being connected to a part of the internal electrode layers, and a conductor that is provided on the first main face, the second main face or both of the first main face and the second main face, is spaced from the external electrodes, and is provided in a region which includes an intersection point of perpendicular bisectors of two adjacent sides of the rectangular shape.

Abstract: A coil component 1 includes a base body 10 having a mounting surface 10b, a coil conductor 25 wound around a coil axis X through a plurality of layers in the base body 10, where the coil conductor 25 has a first end 25a and a second end 25b, external electrodes 21 and 22 provided on the mounting surface 10b, a lead-out conductor 26 connecting the first end 25a of the coil conductor 25 and the external electrode 21, and a lead-out conductor 27 connecting the second end 25b of the coil conductor 25 and the external electrode 22. At least a portion of the lead-out conductor 26 is positioned within a first region R1 inside the coil conductor 25 in a radial direction when seen in a direction of the coil axis X.

Abstract: A multiplexer includes a transmit filter including first acoustic wave resonators connected to a first path between a common terminal and a transmit terminal, one or some first acoustic wave resonators of the first acoustic wave resonators being provided on a first substrate, and a remaining first acoustic wave resonator being provided on a second substrate, and a receive filter including second acoustic wave resonators connected to a second path between the common terminal and a receive terminal, one or some second acoustic wave resonators of the second acoustic wave resonators being provided on the first substrate and a remaining second acoustic wave resonator being provided on the second substrate, and a resonator closest to the receive terminal in a plan view among the one or some first and second acoustic wave resonators being a second acoustic wave resonator of the one or some second acoustic wave resonators.

Abstract: A multilayer ceramic device includes a multilayer chip. The multilayer chip has a capacity section, a side margin and an intermediate portion. The intermediate portion is provided between the capacity section and the side margin. An A/B ratio is larger in the side margin than in the capacity section, and is smaller in the intermediate portion than in the capacity section.

Abstract: A ceramic electronic device includes a multilayer chip having a plurality of dielectric layers and a plurality of internal electrode layers that are stacked, and having a first main face and a second main face, and a plurality of external electrodes, the plurality of external electrodes being spaced from each other, each of the plurality of external electrodes being connected to a part of the plurality of internal electrode layers, the plurality of external electrodes having a predetermined area in the planar view. On at least one of the first main face and the second main face, at least one of the plurality of external electrodes has an extension portion extending along a side of the rectangular shape toward at least one of external electrodes adjacent to the at least one of the plurality of external electrodes.

Abstract: A coil component includes: a magnetic body part and a cover part covering one side of a magnetic layer part; and a coil part embedded in the magnetic body part. The magnetic body part is comprised of the following two types of layers: (A) an oblate soft magnetic grain-containing layer, and (B) a spherical grain-containing layer, wherein layer (A) extends over the entire range of the magnetic body part except for a portion including the coil part in a direction perpendicular to an axis direction of the coil part, layer (B) adjoins layer (A) in the axis direction. The cover part is constituted by multiple layers including one or more of layer(s) (A) and one or more of layer(s) (B) and extending over the entire range of the magnetic body part in the direction perpendicular to the axis direction.

Abstract: A manufacturing method of ceramic powder includes mixing a barium carbonate having a specific surface are of 15 m2/g or more, a titanium dioxide having a specific surface area of 20 m2/g or more, a first compound of a donor element having a larger valence than Ti, and a second compound of an acceptor element having a smaller valence than Ti and having a larger ion radium than Ti and the donor element, and synthesizing barium titanate powder by calcining the barium carbonate, the titanium dioxide, the first compound and the second compound until a specific surface area of the barium titanate powder becomes 4 m2/g or more and 25 m2/g or less.