Abstract: A multilayer ceramic electronic device includes a multilayer chip having a plurality of dielectric layers and a plurality of internal electrode layers, one end of each of the plurality of internal electrode layers being exposed from the multilayer chip, an external electrode that is provided on an end face of the multilayer chip and is electrically connected to the one end of at least some of the plurality of internal electrode layers and includes a glass component, the end face being an end of the multilayer chip in a direction in which the plurality of internal electrode layers extend. The external electrode includes a crystal contacting or extending into the glass component at an interface between the external electrode and the end face of the multilayer chip. The crystal includes an element that is the same as at least one of elements included in the plurality of dielectric layers.

Abstract: Provided is an electronic part package body including a carrier tape having a plurality of electronic part housing portions arranged in a longitudinal direction, and a cover tape covering at least the electronic part housing portions by being laminated to the carrier tape. The carrier tape includes a first bonded portion and a second bonded portion that are arranged on outsides of both end portions of the plurality of electronic part housing portions, both end portions being end portions in a width direction of the carrier tape, and are arranged in the longitudinal direction of the carrier tape. One of or both the first bonded portion and the second bonded portion include a reentrant part disposed so as to be continuous from the outside of an electronic part housing portion to a region between electronic part housing portions.

Abstract: A multilayer ceramic electronic device includes a ceramic functional part having a generally rectangular shape in which a plurality of ceramic dielectric layers and a plurality of internal electrodes are laminated alternately in a vertical direction; a pair of cover parts that cover the functional part from top and bottom, respectively; and a pair of side margin parts covering side surfaces of the functional part, respectively, wherein an end portion of an uppermost internal electrode among the plurality of internal electrodes is curved downward to satisfy a?1 ?m and 0.1?a/b?0.4, where a is a dimension of the curved end portion in the vertical direction in a cross section taken along a plane perpendicular to the side surfaces, and b is a dimension of the curved end portion in a horizontal direction in said cross section.

Abstract: A coil component according to one embodiment of the invention includes a core and a winding wound around the core. The core includes a plurality of ferrite crystal grains and a plurality of Bi segregated regions situated at a grain boundary of the plurality of ferrite crystal grains. In one embodiment, a plurality of line profiles obtained by detecting the content of Bi along a plurality of scanning lines intersecting with the grain boundary include at least one first line profile that has a detection peak of Bi at the grain boundary and two or more second line profiles that have no detection peak of Bi.

Abstract: A multi-layer ceramic electronic component includes (I) a ceramic body including (i) a protective portion that includes an end surface facing in a first direction, circumferential surfaces, and a ridge including a recess extending along the first direction and connects the circumferential surfaces, and (ii) a functional portion including internal electrodes laminated in a second direction, and (II) an external electrode including (i) a base film covering the end surface and including a first, second, and third covering portions formed on the end surface, on the circumferential surfaces, and on the recess, respectively, (ii) an intermediate film formed on the base film and continuously covering the first, second, and third covering portions, and (iii) a surface film formed on the intermediate film, wherein the recess is disposed outside end portions of the internal electrodes in a third direction orthogonal to the first and second directions.

Abstract: A solid oxide fuel cell includes an electrolyte layer including a solid oxide having oxide ion conductivity, an intermediate layer that is provided on the electrolyte layer and has oxide ion conductivity, and a cathode provided on the intermediate layer, wherein the electrolyte layer has a plurality of convex portions arranged in dimensional directions in a plan view, on a face thereof on the side of the intermediate layer, and wherein a face of the intermediate layer on the side of the cathode follows a shape of the face of the electrolyte layer on the side of the intermediate layer.

Abstract: A multilayer ceramic electronic component includes a ceramic body, and first and second external electrodes facing each other in a second axis direction. The ceramic body includes internal electrodes, and has a rectangular parallelepiped shape having first and second end surfaces, and four connection surfaces each connecting the first and second end surfaces. The connection surface has an uneven region located between the first and second external electrodes. The uneven region includes recess portions formed along an extension direction intersecting the second axis direction and arranged along an arrangement direction orthogonal to a depth direction and the extension direction, and a protrusion portion located between the recess portions. A depth of the recess portion in the depth direction is 0.1 ?m or greater and less than 2.5 ?m. An arrangement pitch of the recess portions along the arrangement direction is 1 ?m or greater and 80 ?m or less.

Abstract: In an exemplary embodiment, an electronic component includes: an element body part 10 constituted by an insulative body of rectangular solid shape; an internal conductor 30 provided inside the element body part 10; and external electrodes 50 provided at least on the bottom face 14 (mounting surface) of the element body part 10 and electrically connected to the internal conductor 30; wherein the element body part 10 has: a conductor-containing layer 20 in which a coil conductor 36 (functional part) that will become a part of the internal conductor 30 to demonstrate electrical performance, is provided; and a high-hardness layer 22 which is provided side by side with the conductor-containing layer 20 in a direction parallel with the bottom face 14 (mounting surface) of the element body part 10, and which has a higher hardness compared to the conductor-containing layer 20. The electronic component has improve mechanical strength.

Abstract: A multilayer ceramic electronic component includes a ceramic body that has internal electrodes stacked in a direction of a first axis, and end surfaces perpendicular to a second axis orthogonal to the first axis, the internal electrodes being alternately led out to the end surfaces, and external electrodes covering the end surfaces of the ceramic body, 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, a first Ni film formed on the base film, a metal film that is formed on the first Ni film and contains a metal having a lower ionization tendency than Ni, as a main component, a second Ni film formed on the metal film and having a higher hydrogen concentration than the first Ni film, and a surface layer film formed on the second Ni film.

Abstract: An odor detection device includes a sensor chamber housing a sensor element, the sensor chamber having a first inlet, a first outlet, a second inlet, and a second outlet, the first and second outlets being located opposite the first and second inlets with the sensor element interposed therebetween, respectively, a flow channel including a filter therein, the flow channel being connected to the second outlet and being connected to the second inlet, a first gas delivery unit causing inflow of a gas at the first inlet and outflow of the gas at the first outlet, and a second gas delivery unit causing outflow of the gas at the second outlet and inflow of the gas at the second inlet.

Abstract: A filter includes a multilayer body including dielectric layers and conductor layers, input and output terminals provided on a surface of the multilayer body, a first conductor pattern that has a planar shape forming at least a part of a closed pattern having an opening, a second conductor pattern that is connected to the input terminal, at least partially overlaps at least a part of the first conductor pattern, has an end portion located within the opening, and extends from an inside of the opening to an outside of the closed pattern, and a third conductor pattern that is connected to the output terminal, at least partially overlaps at least a part of the first conductor pattern, does not overlap the second conductor pattern, has an end portion located within the opening, and extends from the inside of the opening to the outside of the closed pattern.

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 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: 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: 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 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 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 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.