Abstract: A soft magnetic powder is represented by FeaSibBcPdCreMf except for inevitable impurities, wherein: M is one or more element selected from V, Mn, Co, Ni, Cu and Zn; 0 atomic %?b?6 atomic %; 4 atomic %?c?10 atomic %; 5 atomic %?d?12 atomic %; 0 atomic %<e; 0.4 atomic %?f<6 atomic %; and a+b+c+d+e+f=100 atomic %.

Abstract: Provided is a composite magnetic body composite magnetic body including a flaky metallic soft magnetism powder with a volume content of 35% or more and 55% or less, wherein the composite magnetic body is characterized by further including a phosphazene compound, a binder resin, and a phosphorus-free flame retardant auxiliary so that equations (1) and (2) are satisfied: 0.17?P/B?0.21??(1) 0.89?(PN+RA)/B?2.71??(2) (In the equations, PN denotes the mass % of the phosphazene compound in the composite magnetic body, RA denotes the mass % of the flame retardant auxiliary in the composite magnetic body, B denotes the mass % of the binder resin in the composite magnetic body, and P denotes the mass % of phosphorus in the composite magnetic body.) The composite magnetic body can impart high flame retardancy without losing performance such as magnetic permeability.

Abstract: A coil component includes a coil having inner and outer circumferential surfaces, a pair of end surfaces, and a core surrounding at least a part of a periphery of the core. A cross section is where the coil component is cut by a plane, when each of coil sections is divided into eight regions by four straight lines extending along the inner circumferential surface, the outer circumferential surface and the end surfaces. In the cross section, first core members positioned at four corner regions, second core members positioned at an inner side of the inner circumferential surface and an outer side of the outer circumferential surface, and third core members, positioned at outer sides of the end surfaces form the core. At least one of the second and third core members has a magnetic permeability lower than that of the first core member in a zero magnetic field.

Abstract: This method for manufacturing a powder core is provided with: a step for heat-treating amorphous soft magnetic alloy powder to obtain nanocrystal powder; a step for obtaining granulated powder from nanocrystal powder, malleable powder, and a binder; a step for pressure-molding the granulated powder to obtain a green compact; a step for curing the binder by heat-treating the green compact at a temperature which is equal to or higher than the curing initiation temperature of the binder and lower than the crystallization initiation temperature of the amorphous soft magnetic alloy powder.

Abstract: An electromagnetic interference suppressor is disposed so as to be effective for noise in a wide frequency band including a high frequency band. Provided is an electronic device including an electromagnetic interference suppressor; an interfering object configured to generate an electromagnetic wave; an interfered object to be affected by the electromagnetic wave; a substrate configured to mount thereon the interfering object and the interfered object; and the electromagnetic interference suppressor disposed in parallel to the substrate, and is disposed along only one of the interfering object and the interfered object. When an end portion of the interfering object opposed to the interfered object is defined as a first end portion, and an end portion of the interfered object opposed to the interfering object is defined as a second end portion, one end portion of the electromagnetic interference suppressor is disposed between the first end portion and the second end portion.

Abstract: In a capacitor element of a solid electrolytic capacitor, a solid electrolytic layer has an edge portion near a root of a lead-out portion. An anode terminal is connected to the lead out portion at a position away from the root of the lead out portion. An ion trapping member includes a first resin and an ion trapping agent dispersed in the first resin. The ion trapping member covers the whole periphery of at least a part of the lead out portion directly or via the dielectric layer between the edge portion of the solid electrolytic layer and the anode terminal. An external insulation member includes a second resin having a high affinity for the first resin. The external insulation member envelops the capacitor element and covers at least a part of the ion trapping member, a part of the anode terminal and a part of a cathode terminal.

Abstract: A module includes a circuit board and an inductor. The circuit board has a facing surface and a rear surface which are located at opposite sides to each other in an up-down direction. The inductor has a magnetic core and a coil. The magnetic core is made of a soft magnetic metal material. The magnetic core has a facing surface and a radiating surface which are located at opposite sides to each other in the up-down direction. The facing surface of the magnetic core is arranged to face the facing surface of the circuit board in the up-down direction. The radiating surface of the magnetic core is arranged to be radiatable heat outward. The coil has a coil portion and a connection end. The coil portion winds, at least in part, the magnetic core. The connection end is connected to the facing surface of the circuit board.

Abstract: A capacitor includes an anode, an oxide layer, a dielectric layer and a cathode. The oxide layer is located between the anode and the dielectric layer. The anode is made of a Zr-alloy having a composition of ZrM, where M is a metal element capable of forming an oxide coating in an electrolytic solution. The oxide layer includes a composite oxide of ZrM having a hexagonal close-packed structure and having a composition of (ZrM)OY where Y<2. The dielectric layer includes another composite oxide of ZrM having a composition of (ZrM)O2.

Abstract: An electric double-layer capacitor includes a capacitor element, which includes a positive electrode and a negative electrode that face each other in a predetermined direction; a positive plate-like terminal portion connected to one end of the capacitor element in the predetermined direction; a negative plate-like terminal portion connected to another end of the capacitor element in the predetermined direction; and an exterior body encapsulating the capacitor element, the positive plate-like terminal portion, and the negative plate-like terminal portion. The positive and the negative plate-like terminal portions include parts that face each other in the predetermined direction, and at least one protruding portion protrudes from a corresponding one of the parts toward a corner of the exterior body.

Abstract: A module comprises a circuit board and an inductor. The circuit board has a facing surface and a rear surface which are located at opposite sides to each other in an up-down direction. The inductor has a magnetic core and a coil. The magnetic core is made of a soft magnetic metal material. The magnetic core has a facing surface and a radiating surface which are located at opposite sides to each other in the up-down direction. The facing surface of the magnetic core is arranged to face the facing surface of the circuit board in the up-down direction. The radiating surface of the magnetic core is arranged to be radiatable heat outward. The coil has a coil portion and a connection end. The coil portion winds, at least in part, the magnetic core. The connection end is connected to the facing surface of the circuit board.

Abstract: A reactor comprises a first coil, a second coil and a core. Each of the first coil and the second coil is embedded in the core. The core has an outer core part, an inner core part, an upper core part, a lower core part and a middle core part. The upper core part is positioned above an upper end of a cross-section of the first coil in an up-down direction. The lower core part is positioned below a lower end of a cross-section of a second coil in the up-down direction. The core is made of a first member and a second member. The second member has a relative permeability which is greater than a relative permeability of the first member. Each of the upper core part and the lower core part is made of the second member.

Abstract: A device is provided with a PWM signal generating circuit, a gate driver and a transmission line connecting them. The transmission line transmits a PWM signal output from the PWM generator as an input signal for the gate driver. A noise suppression member is provided to at least a part of a periphery of the transmission line. The noise suppression member has a structure that magnetic powder is dispersed in a binder and has an imaginary part ?? of a complex magnetic permeability that is greater than or equal to 5 and smaller than or equal to 30 in a range of 500 MHz to 3 GHz. The noise suppression member has a thickness t greater than or equal to 20 ?m. The noise suppression member is disposed apart from a conducting wire of the transmission line by a distance greater than 0.05 mm or smaller than or equal to 5 mm.

Abstract: A soft magnetic molded body, in which a binder component is used to bind a soft magnetic metal powder that has a flat shape, includes 60% by volume or more of the soft magnetic metal powder and 10-30% by volume of fine open pores. The binder component includes an inorganic oxide as a main component.

Abstract: A power conversion apparatus includes: a semiconductor module, an electronic component, a plurality of cooling pipes and a casing that accommodates the semiconductor module, the electronic component and the cooling pipes. An abutting surface is provided at a part of the casing, in which the electronic component comes into contact with the abutting surface. A pressurizing member pressurizes the semiconductor module in a first direction extending from the semiconductor module to the electronic component. The electronic component includes a part body and a wing portion and the wing portion protrudes from the part body at least either one side of both sides thereof with respect to a second direction perpendicular to the first direction, and comes into contact with the abutting surface from a semiconductor module side with respect to the first direction.

Abstract: There is provided a rare earth-cobalt permanent magnet containing 23 to 27 wt % R, 3.5 to 5 wt % Cu, 18 to 25 wt % Fe, 1.5 to 3 wt % Zr, and a remainder Co with inevitable impurities, where an element R is a rare earth element at least containing Sm. It has a metal structure including a cell phase (11) containing Sm2Co17 phase and a cell wall (12) surrounding the cell phase (11) and containing SmCo5 phase.

Abstract: This soft magnetic powder is represented by composition formula FeaSibBcPdCue with the exception of unavoidable impurities. In the composition formula, a, b, c, d and e satisfy 79?a?84.5 at %, 0?b<6 at %, 4?c?10 at %, 4<d?11 at %, 0.2?e<0.4 at %, and a+b+c+d+e=100 at %.

Abstract: The solid electrolytic capacitor according to the present invention is a solid electrolytic capacitor including a valve metal, an oxide film layer formed on a surface of the valve metal, and a solid electrolyte layer formed on the oxide film layer, wherein the solid electrolyte layer contains a conductive polymer and a gel of an organic solvent solidified with a chemical gelling agent.

Abstract: A laminated substrate includes an upper prepreg cured body, a lower prepreg cured body and a magnetic member. The magnetic member is sandwiched between the upper prepreg cured body and the lower prepreg cured body in an up-down direction. The upper prepreg cured body is directly coupled to the lower prepreg cured body all over a predetermined area surrounding the magnetic member in a plane perpendicular to the up-down direction. The magnetic member is formed by binding soft magnetic metal powder using a binder. The soft magnetic metal powder consists of particles each of which has a flat shape. The binder comprises inorganic oxide as a chief ingredient. The magnetic member includes the soft magnetic metal powder of 60 vol. % or more and open pores of 10 vol. % or more and 30 vol. % or less. The magnetic member has a thickness of 0.3 mm or less.

Abstract: A reactor comprises a first coil, a second coil and a core. Each of the first coil and the second coil is embedded in the core. The core has an outer core part, an inner core part, an upper core part, a lower core part and a middle core part. The upper core part is positioned above an upper end of a cross-section of the first coil in an up-down direction. The lower core part is positioned below a lower end of a cross-section of a second coil in the up-down direction. The core is made of a first member and a second member. The second member has a relative permeability which is greater than a relative permeability of the first member. Each of the upper core part and the lower core part is made of the second member.

Abstract: A compound line filter includes a bobbin, two coils and a magnetic core. The coils are wound on the bobbin in a state of being separated from each other in an axial direction. The magnetic core includes a closed magnetic path part and a secondary magnetic path part. The bobbin is attached to the closed magnetic path part. The secondary magnetic path part extends from the closed magnetic path part in a direction intersecting with the axial direction and is positioned between the coils in the axial direction. The bobbin includes at least one gear, and the gear is positioned between the coils in the axial direction.