Abstract: In the electronic component, the second portion of the diffusion prevention layer extends parallel to the main surface of the base material. When the electronic component is surface-mounted on the mounting substrate, the conductive bonding material such as solder is interposed between the electrodes of the electronic component and the land electrodes of the mounting substrate. In the case that the bonding surface between the diffusion prevention layer and the substrate is wide, it is difficult for the metal component of the bonding material to reach the body portion of the electrodes through the bonding surface. Therefore, a situation in which metal component of the bonding material diffuse into the body portion is suppressed, and a decrease in strength of the electrodes due to the diffusion is suppressed.

Abstract: A coil device includes a first coil and a second coil, bobbins combined with each other and provided with the first coil and the second coil, and a core attached to the bobbins. The core includes a pair of outer leg portions, a middle leg portion located between the pair of outer leg portions, and a protrusion located between one of the outer leg portions and the middle leg portion. The second coil is disposed in a range different from that of the first coil so as to surround the middle leg portion and the protrusion.

Abstract: In the semiconductor element, a second electrode is higher than a first electrode, and the first electrode and the second electrode have substantially the same height positions of the upper surfaces. In the semiconductor element, since the first electrode and the second electrode can be formed at the same time, it is possible to form the semiconductor element including the first electrode and the second electrode by a small number of processes.

Abstract: In an assembly in which a space between two elements is filled with a filler containing resin, a configuration that can limit both the size of the assembly and the cost of the fillers is provided. An assembly of stacked elements has: first element having first surface; resin layer that is arranged on first surface and that contains a plurality of fillers; and second element that is arranged on resin layer and that has second surface that is in contact with resin layer. In a section that is perpendicular to second surface, the average flattening ratio of fillers that are in contact with second surface is larger than the average flattening ratio of fillers that are not in contact with second surface. Here, the flattening ratio is a ratio of the maximum length of the filler in a direction parallel to second surface to the maximum thickness of the filler in a direction perpendicular to second surface.

Abstract: A magnetic sensor includes a substrate including a top surface, an insulating layer including an inclined surface, an MR element disposed on the inclined surface, a first insulating portion of an insulating material disposed on a part of the MR element, and a second insulating portion of an insulating material disposed on another part of the MR element at a position forward of the first insulating portion in a direction along the inclined surface, the direction being a direction away from the top surface of the substrate.

Abstract: The present invention aims at providing A magnetic sensor that is less expensive and that is highly sensitive is provided. A magnetic sensor of the present invention has: a magnetic field detecting element; and a plurality of magnets that are arranged at intervals in a first direction, the magnets moving in the first direction relative to the magnetic field detecting element. The magnets have respective first faces that face the magnetic field detecting element. The magnets are magnetized in a second direction that crosses the first direction such that the first faces of an adjacent pair of the magnets have different polarities. The magnetic sensor further includes at least one soft magnetic body that is provided on the first face of at least one of the magnets.

Abstract: A magnetic sensor includes an insulating layer including a flat portion and a protruding portion, a first MR element, and a second MR element. The protruding portion includes a first inclined surface and a second inclined surface. The first MR element is disposed on the first inclined surface. The second MR element is disposed on the second inclined surface. The protruding portion extends in a first direction parallel to a top surface of a substrate, and includes a plurality of recess portions each recessed in a direction parallel to the top surface of the substrate at an end of the protruding portion in the first direction.

Abstract: A magnetic sensor includes an insulating layer, a coil element disposed on the insulating layer, and a first insulating film. The insulating layer includes a first inclined surface and a second inclined surface. The coil element includes a first side surface and a second side surface. The first side surface includes a first portion and a second portion, the second portion being disposed at a position farther from a top surface of a substrate than a position where the first portion is disposed. The first portion is inclined so as to intersect with the first and second inclined surfaces, and is also inclined so as to be closer to the second side surface at positions closer to the top surface of the substrate. The first insulating film covers the first portion.

Abstract: Provided is a magnetoresistance effect element that suppresses re-adhesion of impurities during preparation and allows a write current to easily flow. The magnetoresistance effect element includes a first ferromagnetic layer, a second ferromagnetic layer; and a nonmagnetic layer interposed between the first ferromagnetic layer and the second ferromagnetic layer. In the magnetoresistance effect element, the nonmagnetic layer is a tunnel barrier layer constituted by an insulator, a side surface of the first ferromagnetic layer, a side surface of the second ferromagnetic layer and a side surface of the nonmagnetic layer form a continuous inclined surface in any side surface, and a thickness of inside the nonmagnetic layer is thicker than a thickness of outside the nonmagnetic layer.

Abstract: An all-solid-state battery includes: a laminated body having a first lateral face with a positive electrode and negative electrode laminated with a solid electrolyte layer therebetween and wherein a positive electrode current collector layer is exposed and a second lateral face faces the first face and wherein a negative electrode current collector layer is exposed; a positive electrode external terminal on the first face; and a negative electrode external terminal on the second face. At least one difference between a distance Lcn or a distance Lcn+1 from a second face side edge part of a positive electrode of an nth layer or an n+1th layer to the second face and a difference between a distance Lan or a distance Lan+1 from a first lateral face side edge part of a negative electrode of an nth layer or an n+1th layer to the first lateral faces is 10 ?m or more.

Abstract: In the chip varistor, the protruding lengths of the second portions of the first and second electrodes are shorter than the protruding lengths of the first portions of the third electrodes. Since the protruding lengths of the second portions are relatively short, distances between the first electrodes and the second electrodes on the side surfaces are secured, thereby suppressing short-circuiting. On the other hand, by making the protruding length of the first portion of the third electrode relatively long, the first portion becomes wide, the covering property of each end portion of the third conductor exposed on the side surface on which the third electrode is provided is enhanced, and the connectivity between the third conductor and the third electrode is improved.

Abstract: A magnetic sensor includes an insulating layer including a protruding surface, a first MR element, and a second MR element. The protruding surface includes a first curved surface portion. The first curved surface portion includes a first portion including an upper end portion of the protruding surface, and a second portion continuous with the first portion at a position away from the upper end portion of the protruding surface. When the shape of the protruding surface is regarded as a function Z, the mean value of the absolute value of a second derivative Z? of the function Z corresponding to the first portion is smaller than the mean value of the absolute value of the second derivative Z? of the function Z corresponding to the second portion.

Abstract: This analysis kit includes a sensor having a working electrode, a reference electrode and a counter electrode, primary antibodies being fixed to a surface of the working electrode of the sensor, and a dispersion liquid of magnetic metal nanoparticles including solvent and magnetic metal nanoparticles dispersed in the solvent, secondary antibodies being fixed to surfaces of the magnetic metal nanoparticles.

Abstract: A method for manufacturing a coil component including an element body, and a coil disposed inside the element body and including a first coil conductor and a second coil conductor having different shapes, the method comprises: applying a first photosensitive conductive paste on a substrate and exposing the first photosensitive conductive paste to light with a pattern corresponding to the first coil conductor to form a first curing pattern; after the forming of the first curing pattern, applying a second photosensitive conductive paste on the first photosensitive conductive paste and exposing the second photosensitive conductive paste to light with a pattern corresponding to the second coil conductor to form a second curing pattern; after the forming of the second curing pattern, developing portions of the first photosensitive conductive paste and the second photosensitive conductive paste that were not exposed; and after the developing, adding an insulating material on the substrate.

Abstract: This magnetoresistance effect element includes a first ferromagnetic layer, a second ferromagnetic layer, and a non-magnetic layer. The non-magnetic layer is between the first ferromagnetic layer and the second ferromagnetic layer. The first ferromagnetic layer contains at least partially crystallized Heusler alloy containing Co. The non-magnetic layer has a first non-magnetic region and a second non-magnetic region. Each of the second non-magnetic region is sandwiched between the first non-magnetic regions in a thickness direction of the non-magnetic layer. Atoms or molecules constituting each of the second non-magnetic regions are smaller than atoms or molecules constituting the first non-magnetic region. Each crystal structure of the second non-magnetic region is a NaCl type structure. At least a part of the second non-magnetic region is crystallized continuously with the first non-magnetic region and the first ferromagnetic layer or the second ferromagnetic layer.

Abstract: A multilayer coil component includes an element body containing a plurality of metal magnetic particles and a resin existing between the plurality of metal magnetic particles and a coil disposed in the element body and configured to include a plurality of electrically interconnected coil conductors. At least one of the plurality of coil conductors has a spiral shape and has conductor portions adjacent to each other when viewed from a direction along a coil axis of the coil. The conductor portion includes a straight conductor portion extending in a straight line and a connecting conductor portion connecting the straight conductor portion and constituting a corner portion of the coil conductor. The metal magnetic particles between the connecting conductor portions adjacent to each other are lower in density than the metal magnetic particles between the straight conductor portions adjacent to each other.

Abstract: A multilayer coil component includes an element assembly that has a first surface and second surfaces and extending in a direction orthogonal to the first surface, and terminal electrodes that has first electrode parts extending in a direction orthogonal to the first surface along the second surfaces. At least a portion of the first electrode parts of the terminal electrodes is disposed inside the element assembly. The element assembly is present between imaginary lines extending in a direction parallel to the first surface toward the second surfaces from a position farthest from the first surface in a direction orthogonal to the first surface in the first electrode parts positioned inside the element assembly and the first surface.

Abstract: An all-solid-state battery including a laminated body in which a positive electrode having a positive electrode current collector layer and a positive electrode active material layer and a negative electrode having a negative electrode current collector layer and a negative electrode active material layer, are laminated with a solid electrolyte layer therebetween; a pair of a positive external electrode and a negative external electrode provided on one of pairs of side surfaces of the laminated body facing each other; wherein the positive electrode current collector layer is bonded to the positive external electrode and the negative electrode current collector layer is bonded to the negative external electrode; the thickness of a portion of at least one of the positive electrode current collector layer and the negative electrode current collector layer which is bonded to the positive external electrode or the negative external electrode is thicker than the other portion.

Abstract: A magnetic sheet according to the present invention contains Mn—Zn ferrite as a main component and is comprised of a sheet-shaped sintered body. Besides, a ratio of ZMIN to ZMAX (ZMIN/ZMAX×100) is 90% or more, in which a maximum value of a content of Zn in terms of oxide is set to ZMAX and a minimum value of the content of Zn in terms of oxide is set to ZMIN in a thickness direction of a cross section of the sintered body.

Abstract: Disclosed herein is a common mode filter that includes a core having a winding core part and first and second wires wound in a same direction around the winding core part. The first and second wires have a first crossing portion at which first turns thereof counted from one ends thereof cross each other and a second crossing portion at which first turns thereof counted from the other ends thereof cross each other. The first and second wires are wound by layer winding in an aligned state with one of the first and second wires positioned in a lower layer and other one thereof positioned in an upper layer in at least parts of the first and second wires between second turns thereof counted from the one ends thereof and second turns thereof counted from the other ends thereof.