Abstract: A coil device includes a winding section comprised of a wound wire, a core, and a terminal fitting attached to the flange portion. The core includes a winding core portion provided with the winding section and a flange portion formed at an end of the winding core portion in its axial direction. The terminal fitting includes a main body portion disposed on an outer end surface of the flange portion, a mounting portion continuing to the main body portion and bending from the outer end surface toward a mounting surface of the flange portion, and a wire connection portion continuing to the main body portion and bending from the outer end surface toward a side surface of the flange portion. The mounting portion includes a plurality of mounting pieces arranged with at least one gap. The main body portion is adhered on the outer end surface by adhesive.

Abstract: In the magnetoresistance effect element according to one aspect, the metal oxide constituting the metal oxide layer has the ratio of oxygen higher than the total ratio of metal when the composition is expressed in the stoichiometric composition; and the resistivity of the metal oxide layer is higher than that of the tunnel barrier layer.

Abstract: A microelectromechanical (MEMS) microphone with membrane trench reinforcements and method of fabrication is provided. The MEMS microphone includes a flexible plate and a rigid plate mechanically coupled to the flexible plate. The MEMS microphone includes a stoppage member affixed to the rigid plate and extending perpendicular relative to a surface of the rigid plate opposite the surface of the flexible plate. The stoppage member limits motion of the flexible plate. The rigid plate includes a reverse bending edge that includes a first lateral etch stop that includes a first corner radius and a second corner radius. The first corner radius is more than 100 nanometers and the second corner radius is more than 25 nanometers. Further, a lateral step width between the first corner radius and the second corner radius is less than around 4 micrometers.

Abstract: A photodetection element includes: a first ferromagnetic layer configured to be irradiated with light; a second ferromagnetic layer; and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, wherein the first ferromagnetic layer includes a first region in contact with the spacer layer and a second region disposed in a position farther from the space layer than the first region, the first region is made of CoFeB alloy, and the second region is a magnetic material containing Fe and Gd as major constituent elements.

Abstract: An optical modulators is disclosed. The optical modulator includes a substrate, an optical waveguide formed on the substrate, a signal electrode formed on the optical waveguide via a first buffer layer and applying a modulation signal to the optical waveguide, and a bias electrode formed on the optical waveguide via a second buffer layer and applying a DC bias to the optical waveguide, the first buffer layer and the second buffer layer are formed in such a way that either one of the first buffer layer and the second buffer layer covers an end surface of the other one of the first buffer layer and the second buffer layer at a boundary part of the first buffer layer and the second buffer layer. Accordingly, an optical modulator with high reliability can be provided.

Abstract: A multilayer coil component includes an element body, a coil, and a terminal electrode. The element body includes a first main face, second main face, first end face, second end face, first side face and second side face. The terminal electrode is connected to the coil. The terminal electrode includes a main-face electrode portion provided on the first main face. The coil includes a plurality of coil conductors. The plurality of coil conductors includes a first coil conductor disposed closest to the first main face to oppose to the main-face electrode portion and a second coil conductor disposed closer to the second main face than the first coil conductor. The first coil conductor has a width narrower than a width of the second coil conductor. The first coil conductor has an aspect ratio higher than an aspect ratio of the second coil conductor.

Abstract: Disclosed herein is a surface-mount electronic component that includes a main body part having a mounting surface, a first terminal electrode provided on one end side of the mounting surface in a long side direction thereof, and a second terminal electrode provided on other end side of the mounting surface in the long side direction thereof. Each of the first and second terminal electrode includes a main area extending in a short side direction of the mounting surface and a protruding part provided at a center portion in the short side direction so as to protrude from the main area to an end portion of the mounting surface in the long side direction.

Abstract: A soft magnetic metal powder includes soft magnetic metal particles with a particle size of 5.0 ?m or more. (y95/y50?y90/y50)/(0.95?0.90) is 20.0 or less, where y95 (?m) denotes D95, y90 (?m) denotes D90, and y50 (?m) denotes D50 of a particle size distribution of the soft magnetic metal particles with a particle size of 5.0 ?m or more. A magnetic core includes soft magnetic metal particles with a Heywood diameter of 5.0 ?m or more in a section of the magnetic core. (Y95/Y50?Y90/Y50)/(0.95?0.90) is 20.0 or less, where Y95 (?m) denotes D95, Y90 (?m) denotes D90, and Y50 (?m) denotes D50 of a particle size distribution of the soft magnetic metal particles with a Heywood diameter of 5.0 ?m or more.

Abstract: This magnetized rotary element includes a spin-orbit torque wiring and a first ferromagnetic layer connected to the spin-orbit torque wiring, wherein the spin-orbit torque wiring includes a topological insulator in which electrical conductors are dispersed.

Abstract: A soft magnetic metal particle may include a core particle and an insulation coating formed on a surface of the core particle. The insulation coating may include a first layer, a second layer, and a third layer. The first layer may contact the surface of the core particle, and the second layer may contact the first layer and the third layer. The first layer may include at least Fe, the second layer may include at least Ti, and the third layer may include at least Si.

Abstract: A nanogranular magnetic film includes first phases comprised of nano-domains dispersed in a second phase. The first phases include Fe and Co. The second phase includes a second phase compound including at least one selected from the group consisting of O, N, and F. A measurement range is determined in the nanogranular magnetic film. The measurement range is divided with grids including at least 80,000 grids each measuring 1 nm×1 nm×1 nm. Fe/(Fe+Co) and a concentration of the second phase compound of each of the grids are measured in atomic ratio. Provided that the grids are classified into MX-rich grids and MX-poor grids, a CV of Fe/(Fe+Co) of the MX-rich grids is larger than a CV of Fe/(Fe+Co) of the MX-poor grids.

Abstract: A sensor including: a base material having a surface on which streaks are formed along a first direction in a plan view; and a conductive film pattern formed on or above the surface and configured to connect mutually different positions in an in-plane direction of the surface in a shape in which a length of a conductive path is longer than a length of a straight line connecting the different positions, in which in a plan view, the shape of the conductive film pattern comprises a shape in which each of straight lines parallel to the first direction passes across a conductive path center line of the conductive film pattern zero times or once but does not pass across the conductive path center line twice or more.

Abstract: A coil component includes an element body formed by laminating a plurality of insulator layers, and a pillar part disposed in the element body and extending in a lamination direction of the plurality of insulator layers. The pillar part has a plurality of pillar members laminated in the lamination direction. Between the two pillar members in the lamination direction, a defining part that defines a contact surface between the two pillar members is provided. The defining part is formed of a material different from a material of the pillar part, and is disposed at edges of the two pillar members when viewed from the lamination direction.

Abstract: A nanogranular magnetic film includes first phases comprised of nano-domains dispersed in a second phase. The first phases include Fe and Co. The second phase includes at least one selected from the group consisting of O, N, and F. A CV of Fe/(Fe+Co) of grids is 0.150 or more and 0.500 or less, provided that a measurement range is determined in the nanogranular magnetic film, the measurement range is divided with the grids including at least 80,000 grids each measuring 1 nm×1 nm×1 nm, and Fe/(Fe+Co) of each of the grids is measured in atomic ratio.

Abstract: A coil component includes an element body, a first terminal electrode, a second terminal electrode, a first conductor disposed at a position closer to a principal surface in the element body and electrically connected to the first terminal electrode and the second terminal electrode, and a second conductor disposed at a position closer to a principal surface in the element body and electrically connected to the first terminal electrode and the second terminal electrode. The element body is formed of a material having light permeability, and an identification portion formed of a material different from a material of the first conductor is provided on a first surface facing the principal surface in the first conductor.

Abstract: A coil component may include a core portion including a soft magnetic metal material and a winding portion including a conductor wound. The winding portion may be inside the core portion. The core portion may include a central portion and an outer portion. The central portion may be disposed in an inside diameter portion of the winding portion. The outer portion may be disposed in a portion other than the central portion. The central portion may include a first central portion and a second central portion including different materials. The second central portion may be disposed around the first central portion. H, S, and S1 may be within specific ranges, where H denotes a height of the winding portion, S denotes a sectional area of the central portion, and S1 denotes a sectional area of the first central portion.

Abstract: A coil component may include a core portion including soft magnetic metal particles and a resin and a winding portion including a conductor wound. The winding portion may be inside the core portion. The core portion may include an axially central region and a coil corner neighboring region. The soft magnetic metal particles may include specific particles having a particle size of 10 ?m or more and 50 ?m or less. 0<D1/D2<1.00 may be satisfied, where D1 denotes an average inter-particle distance between the specific particles in the axially central region and D2 denotes an average inter-particle distance between the specific particles in the coil corner neighboring region.

Abstract: A magnetic sensor device includes first and second surfaces, and first and second inclined surfaces, which are inclined with respect to the first surface; first through third magnetic sensor units for detecting magnetism in first through third axial directions; and a signal processing unit that performs signal processing on the basis of first through third sensor signals output from the first through third magnetic sensor units. The first axial direction is a direction orthogonal to the first surface, and the second and third axial directions are directions orthogonal to each other on the first surface. The first and second magnetic sensor units are provided on the second inclined surface, respectively. A corrected signal generation unit included in the signal processing unit generates first and second corrected signals, which are the first and second sensor signals corrected in accordance with the inclination angles of the first and second inclined surfaces.

Abstract: A multilayer filter includes: an element body formed by laminating a plurality of insulator layers; a first inductor and a second inductor; and a wall portion disposed between the first inductor and the second inductor and grounded, wherein at least the second inductor is a vertical winding type inductor of which a winding axis extends in a direction orthogonal to a laminating direction in which the plurality of insulator layers are laminated, a penetrating portion penetrating in a facing direction in which the first inductor and the second inductor face each other is formed in the wall portion, and a size of the penetrating portion in the laminating direction is larger than a size of one insulator layer.

Abstract: An electroconductive pattern includes a third mesh portion that does not include the end electroconductive line as one side constituting the mesh portion, and in a case where a triangular virtual mesh portion including a portion extended from one electroconductive line of the first electroconductive line and of the second electroconductive line which constitute the third mesh portion to the end electroconductive line, a virtual line assuming that another electroconductive line is extended to the end electroconductive line, and the end electroconductive line is set, a length of a common electroconductive line between the first mesh portion and the third mesh portion is longer than the virtual line of the virtual mesh portion, and each of an opening area of the first mesh portion and an opening area of the second mesh portion is larger than an opening area of the virtual mesh portion.