Abstract: A coil device comprising, the core body having a coil core part and a core bottom face, and a coil part forming spiral conductive pathway around the coil core part. A metal electrode is formed at the core bottom face, and the wire ends which are the conductive pathway of the coil part are formed at the metal electrode, and a part of the surface of the metal electrode is covered by the conductive resin electrode.

Abstract: An embodiment provides a magnetic core comprising a first powder and a second powder, wherein the hardness of the first powder is lower than that of the second powder, and the volume of the first powder is 40% to 60% with respect to the combined volume of the first powder and the second powder.

Abstract: An inductor includes an integrated preform having a coil installed thereinside. The coil includes extension portions extending from two stages of a spiral wound portion. The integrated preform is formed by bonding together first and second preforms. The first and/or second preform is shaped like a housing including a plate-shaped bottom, a wall provided around the periphery of the bottom portion, and two cut out portions provided in the wall. The extension portions extend to outside the integrated preform via the cut out portions. The difference between a first distance from a reference surface, which is the bottom surface of the bottom of the first or second preform, to a bottom surface of one cut out portion and a second distance from the reference surface to the bottom surface of the other cut out portion is substantially an integer multiple of the width of the flat wire.

Abstract: A differential mode choke coil component includes a substantially drum-shaped core, a substantially plate-shaped core, and first and second wires. The plate-shaped core is secured to each of the first and second flanges by using an adhesive with the first major surface facing the top surface of each of the first and second flanges with a spacing. The spacing has a mean value greater than or equal to about 20 ?m between the first major surface and the top surface of each of the first and second flanges.

Abstract: A magnetic part including: a coil that generates a magnetic flux when a current flows through the coil; a core that is formed of a magnetic substance that forms a magnetic path of the magnetic flux; a support member that supports the core; and a fixing member that fixes the core to the support member. The core includes a column portion that is vertically provided with respect to a surface where the core is in contact with the support member. The fixing member presses the column portion of the core against the support member. The support member has a recess in a portion of a facing surface that faces the core, where the portion of a facing surface does not face the column portion.

Abstract: A coil component includes a body having one surface and the other surface facing each other; an insulating substrate embedded in the body, and having one surface substantially perpendicular to the one surface of the body; a coil portion disposed on the one surface of the insulating substrate, and including a coil pattern layer having a coil pattern and a lead-out pattern extending from the coil pattern and exposed from the one surface of the body; an insulating layer disposed on the one surface of the insulating substrate to cover the coil pattern layer; and first and second external electrodes arranged to be spaced apart from each other on the one surface of the body and respectively connected to the lead-out pattern. A thickness of the lead-out pattern is greater than a thickness of the coil pattern, and less than a thickness of the insulating layer.

Abstract: A wire-wound inductor component includes a core including an axial portion that extends in an axial direction and is pillar-shaped and a first support and a second support disposed respectively on a first end and a second end in the axial direction of the axial portion; a first terminal electrode and a second terminal electrode disposed respectively on a bottom face of the first support and a bottom face of the second support; a wire wound around the axial portion, with first and second end portions of the wire being connected respectively to the first and second terminal electrodes; and a cover member that covers at least part of the wire on an upper face of the axial portion and has a terminal indentation depth of 0.85 ?m or more. The adhesive strength of a top face of the cover member is less than or equal to 3.28 gf/mm2.

Abstract: A surface-mounted inductor including a coil having a wound part formed by winding a conductive wire and extended parts extended from an outer circumference of the wound part, a molded body containing the coil, constituted by a composite material containing a magnetic powder, and outer terminals connected to end portions of the extended parts disposed on a mounting surface. The wound part is contained within the molded body so that a winding axis is parallel to the mounting surface. The extended parts are extended toward the mounting surface side, each end portion of the extended parts are exposed from the surface thereof of the molded body. In the molded body, a density of a magnetic powder between the end portions of the extended parts on the mounting-side surface is lower than a density in the surface on the opposite side from the mounting surface.

Abstract: A coil component includes: a core part including: a winding shaft; and a planar flange part provided at an axial-direction end of the winding shaft, and having a groove part provided on an exterior face thereof where a lead part led out from a conductor wound around the winding shaft into the groove part, wherein the flange part has a first recessed part provided on a first side face intersecting with the long axis of the groove part and communicated with the groove part, wherein the area of a cross section, taken in a direction parallel with the first side face, of the first recessed part, is greater than the area of a cross section, taken in a direction parallel with the first side face.

Abstract: A coil component comprising a core including a winding core having a shape extending in a constant direction, a first flange disposed at a first end in an extending direction of the winding core, and a second flange disposed at a second end in the extending direction of the winding core; first and second electrodes disposed on the first flange; third and fourth electrodes disposed on the second flange; and a coil including a first wire wound around the winding core and electrically connected to the first and third electrodes, and a second wire electrically connected to the second and fourth electrodes. The first and second flanges each have an inner surface facing the winding core, an outer surface facing toward the side opposite to the inner surface, a lower surface connecting the inner and outer surfaces, and an upper surface facing the side opposite to the lower surface.

Abstract: An apparatus for treating a metal strip after it has exited from a coating container with a liquid coating material, for example zinc is provided. The apparatus includes a blow-off device arranged above the coating container having an air outlet gap for blowing off excess parts of the still liquid coating material from the surface of the metal strip after the passing of the metal strip through the coating container. An electromagnetic stabilizer is arranged above the blow-off device and has a plurality of individual magnets for stabilizing the metal strip after leaving the coating container and the blow-off device. In order to further increase the efficiency of the apparatus, at least some of the magnets of the stabilizer are formed as pot magnets with pot coils.

Abstract: To provide a coil device having high bonding strength and bonding reliability. The coil device 1 has a core member 10 having a winding core and a flange 12, a wire 32 wound around the winding core, and a terminal electrode 52 connected with a lead 32a of a wire 32 provided to the flange 12; and an easy bonding layer 70 is formed on the surface of the terminal electrode 52 connected with the lead 32a in a stripe form 70a. the stripe form each bonding layer 70a is formed as a laser mark 71. In the coil device 1, a residue of coating film 78 which may be generated when the lead 32a of the wire 32 is connected to the mounting part 65 of the terminal electrode 52 is removed by laser.

Abstract: A coiled electronic component includes: an electronic component body which includes a coil portion having a spiral structure and formed of an electrically conductive material, and electrically conductive connection portions arranged on both ends of the coil portion; and a pair of electrodes for respectively connecting the electrically conductive connection portions to assembly portions arranged on an assembly object. The electrode includes a pair of pinching pieces for pinching the electrically conductive connection portion, and the pair of pinching pieces is opened in a manner that the electrically conductive connection portion is received and fitted therebetween.

Abstract: An inductor includes a plurality of wires disposed about an axis, a first electrode connected to a first end of each of the plurality of wires, and a second electrode connected to a second end of each of the plurality of wires. Each of the wires includes an outer-winding helical portion shifting in an axial direction while gradually increasing a radius thereof, an inner-winding helical portion shifting in the axial direction while gradually reducing a radius thereof, and an outer circumference connection portion that connects an end of the outer-winding helical portion and an end of the inner-winding helical portion at different positions in the axial direction.

Abstract: The present disclosure provides a magnetic component including a winding, a first magnetic core and a circuit component, and a wireless power-transferring device including the magnetic component. The winding is formed by winding a coil, and having a first penetration portion at a middle portion of the winding. The first magnetic core is disposed at a side of the winding, and a first insulating support portion is disposed between the first magnetic core and the winding. The circuit component is located within the first penetration portion and electrically connected with the winding. Disposing the circuit component within the first penetration portion at the middle portion of the winding can effectively save space.

Abstract: An object of the present invention is to provide a coil component in which leakage of magnetic flux from a magnetic gap is reduced. A coil component includes: a drum-shaped core 20 having a winding core part 30 with a gap G formed therein and first and second flange parts 31 and 32; a plate-like core 40 fixed to the first and second flange parts 31 and 32; and wires W1 to W3 wound around the winding core part 30 and each having one end connected to a terminal electrode provided on the first flange part 31 and the other end connected to a terminal electrode provided on the second flange part 32. According to the present invention, the gap G formed in the winding core part 30 functions as a magnetic gap, and magnetic flux leaking from the magnetic gap is shielded by the plate-like core 40.

Abstract: An adjustable leakage inductance transformer includes a magnetic core, a primary side coil and a secondary side coil. The magnetic core includes a magnetic core column structure, which has a central column, a first outer column and a second outer column. The primary side coil is wound on the first outer column and the second outer column by a first primary side coil loop number and a second primary side coil loop number, respectively. The secondary side coil is wound on the first outer column and the second outer column by a first secondary side coil loop number and a second secondary side coil loop number, respectively, the first primary side coil loop number is not equal to the first secondary side coil loop number, and the second primary side coil loop number is not equal to the second secondary side coil loop number.

Abstract: A coil component includes a body having a first surface and a second surface, both side surfaces, and both end surfaces connecting the first surface to the second surface and opposing each other, a plurality of coil portions embedded in the body and spaced apart from each other, first to fourth side electrodes connected to the plurality of coil portions and exposed to the both side surfaces, respectively, and first to fourth external electrodes disposed on the first surface and connected to the first to fourth side electrodes, respectively. A length of an edge of each of the first to fourth external electrodes, contacting the first surface and one of the both side surfaces, is greater than a length of an edge of a respective one of the first to fourth side electrodes, contacting the first surface and one of the both side surfaces.

Abstract: An inductor includes a conductor and an exterior member containing magnetic material. The conductor includes a main body embedded in the exterior member, a pair of lead-out parts connected to the main body, and a pair of electrode parts coupled to the main body and disposed outside the exterior member. The main body includes first and second conductive plates. The first conductive plate includes a pair of first end parts connected to the electrode parts, respectively, and a first central part sandwiched between the first end parts in a longitudinal direction. The second conductive plate includes a second central part connected to the first central part at a first connecting location and a pair of second end parts sandwiching the second central part therebetween in the longitudinal direction. The main body is bent at the first connecting location such that the first main surface faces the second main surface with a space in between. One of the first end parts is joined to one of the second end parts.

Abstract: An inductor component includes a multilayer body including a magnetic layer and a spiral wiring line disposed in the multilayer body. The magnetic layer includes a base resin, a metal magnetic powder, and a non-magnetic powder. The base resin has voids, and the metal magnetic powder and the non-magnetic powder are contained in the base resin. There is a particle of the metal magnetic powder that is in contact with at least one of the voids and with the non-magnetic powder.

Abstract: A surface mount inductor includes a molded body made of a composite material containing a magnetic powder, and a metal plate including a first metal plate portion that is buried in the molded body and second metal plate portions that extend from the first metal plate portion to outside the molded body. The second metal plate portions each include a first bent portion that extends from a side surface of the molded body and is bent in a direction that intersects the mounting surface and a second bent portion that is bent from the direction that intersects the mounting surface toward a side surface the molded body. The second metal plate portions extend along the molded body onto the mounting surface and form an external terminal. An internal angle of each first bent portion is formed so as to be an obtuse angle.

Abstract: A coil component is provided with a coil part in which a plurality of conductor layers and a plurality of interlayer insulating layers are alternately laminated; and a sealing resin layer that covers the coil part. The conductor layers each include a spiral pattern. The interlayer insulating layers each cover an upper surface and a side surface of the spiral pattern. The recessed part is formed in the side wall surface of the interlayer insulating layer. A part of the sealing resin layer is embedded in the recessed part.

Abstract: A winding inductor component includes a core having a columnar shaft portion and a pair of support portions provided at both ends of the shaft portion. The wiring inductor component further includes terminal electrodes provided on the pair of support portions, respectively, and being non-magnetic bodies, and a wire wound around the shaft portion and having both end portions connected to the terminal electrodes of the pair of support portions.

Abstract: Two through-holes (7a) are formed in a portion of a second cover (7), the portion facing a second core (9) and a secondary coil (5). Heat radiation members (11) are provided in the through-holes (7a). The heat generated by the secondary coil (5) is radiated to the second core (9) via the heat radiation members (11).

Abstract: An adjustable inductor including a toroidal core defining a plurality of gaps, a compressible gap material positioned in the gaps, at least one winding wound on the core, a force-applying structure, and a film substantially covering the adjustable inductor. The force-applying structure is operable to apply a force to the core to adjust the gaps and thereby an inductance of the adjustable inductor. The film is configured to prevent movement of force-applying structure when above a predetermined temperature threshold, and allow movement of the force-applying structure when below the predetermined threshold.

Abstract: A coil component includes a body having one surface and another surface opposing each other, opposing end surfaces each connecting the one surface and the other surface to each other, and opposing side surfaces each connecting the end surfaces to each other. An internal insulating layer is embedded in the body, and a coil portion is disposed on at least one surface of the internal insulating layer and includes the first and second lead-out portions. The body has a recess disposed in each end surface of the body to expose the first and second lead-out portions. First and second external electrodes each include a connection portion disposed in the recess to be connected to a respective one of the first and second lead-out portions, and each include a pad portion disposed on the one surface of the body. A filling portion fills the recess and covers the connection portion.

Abstract: The present invention relates to implantable resonator systems for deep-tissue EPR oximetry and methods of using thereof. The implantable resonator of the present disclosure includes a resonator with an implantable end, a transmission line, and an external end, wherein the external end further includes a coupling loop operably connected to a coupling device. The coupling device includes a clamping mechanism to ensure proper alignment of the coupling loop. The implantable resonator may be used to monitor a tissue.

Abstract: An inductor includes a base body and a metal body. The base body contains magnetic powder. The metal body includes first and second metal units. The first metal unit passes through inside the base body. The second metal unit is continuously provided from both ends of the first metal unit and protrudes from the base body to outside. The second metal unit is used as an outer electrode. In a cross section cut along a direction substantially perpendicular to the longitudinal direction of the first metal unit, the length of external shape lines of the sectional configuration of the first metal unit is about 1000 to 1800 ?m, and the area surrounded by the external shape lines is about 40000 to 112500 ?m2.

Abstract: In a coil component, a plate-shaped core is fixed to first and second flanges of a drum-shaped core with an adhesive interposed therebetween in a state that a lower principal surface of the plate-shaped core faces top surfaces of the first and second flanges. The adhesive is made of a hardened epoxy-based resin containing dicyandiamide.

Abstract: An inductor includes a main body having a bottom surface, a top surface positioned opposite to the bottom surface, four side surfaces connected to the bottom surface and the top surface, a metal body that includes a first metal portion buried in the main body and second metal portions extending outward from respective opposite longitudinal ends of the first metal portion. The second metal portions are exposed from respective opposite side surfaces of the main body. In the inductor, each second metal portion is formed into a tabular shape having a first surface with a plating layer and a second surface positioned opposite to the first surface. Each second metal portion is formed into an external terminal and includes a first bend and a second bend that are formed by bending the second metal portion.

Abstract: A secondary coil unit for a vehicle has a housing with a cover that can be removed from the housing. The secondary coil unit further has a secondary coil which is arranged in the housing and surrounds a core region. The cover and the housing are designed in such a way that an opening through the secondary coil unit is created when the cover is removed from the housing.

Abstract: A coil component includes a body including a magnetic metal powder; an internal insulating layer buried in the body; an internal coil portion disposed on the internal insulating layer, and having turns of which cross-sectional areas increase towards the internal insulating layer from externally of the internal insulating layer; an external insulating layer covering the internal coil portion; an external coil portion disposed on the external insulating layer, and having a greater number of turns than a number of turns of the internal coil portion; a connection via penetrating through the external insulating layer and connecting the internal coil portion and the external coil portion; and an insulating film surrounding the internal insulating layer, the internal coil portion, the external insulating layer, and the external coil portion.

Abstract: In a multilayer coil component, a ferrite element body includes a first element body portion and a second element body portion adjacent to each other in an axial direction of the multilayer coil, in which a dielectric constant of the second element body portion is lower than a dielectric constant of the first element body portion, and a magnetic permeability of the second element body portion is higher than a magnetic permeability of the first element body portion. The inventors newly found that the first element body portion and the second element body portion contribute to coil characteristics when a coil winding portion is provided to extend over the first element body portion and the second element body portion. In the multilayer coil component, desired coil characteristics can be obtained by adjusting proportions of the first element body portion and the second element body portion in the ferrite element body.

Abstract: An inductor has a coil portion made of a wire wound in a coil shape and an element body in which the coil portion is provided. The element body has a first core member, a second core member, and a third core member. The first core member has a winding core portion configured to be positioned inside the coil portion. The second core member is accommodated in the winding core portion. The third core member covers the coil portion and the first core member in which the second core member is accommodated in the winding core portion.

Abstract: One variation of a system for detecting and responding to touch inputs with haptic feedback includes: a magnetic element rigidly coupled to a chassis; a substrate; a touch sensor interposed between the substrate and a touch sensor surface; an inductor coupled to the substrate below the touch sensor surface and configured to magnetically couple to the magnetic element; a coupler coupling the substrate to the chassis, compliant within a vibration plane approximately parallel to the touch sensor surface, and locating the inductor approximately over the magnetic element; and a controller configured to intermittently polarize the inductor responsive to detection of a touch input on the touch sensor surface to oscillate the substrate in the vibration plane relative to the chassis.

Abstract: One object is to lessen the difference between the direction of the magnetic flux and the easy direction of magnetization in a coil element and improve the effective permeability of the coil element. A coil element according to one element of the present invention includes: a coil conductor wound around a coil axis; at least one isotropic magnetic material layer provided on at least one of an upper surface and a lower surface of the coil conductor, the at least one isotropic magnetic material layer being made of an isotropic magnetic material; and at least one anisotropic magnetic material layer provided on an opposite surface of the at least one isotropic magnetic material layer to the coil conductor, the at least one anisotropic magnetic material layer being made of an anisotropic magnetic material having an easy direction of magnetization oriented perpendicular to the coil axis.

Abstract: An electronic device including a core, at least a wire and a magnetic material is provided. The core includes a pillar, a top board and a bottom board. The pillar is disposed between the top board and the bottom board. A winding space is formed among the top board, the bottom board and the pillar. The wire is wound around the pillar and located in the winding space. The magnetic material fills the winding space to encapsulate the wire. The magnetic material includes a resin and a magnetic powder, wherein an average particle diameter of the magnetic powder is smaller than 20 ?m.

Abstract: An inductor component including a spiral wiring wound into a planar shape. A first magnetic layer and a second magnetic layer are located at positions sandwiching the spiral wiring from both sides in a normal direction relative to the plane of the wound spiral wiring. A vertical wiring extending from the spiral wiring in the normal direction penetrates the inside of the first magnetic layer or the second magnetic layer.

Abstract: An inductive element includes a magnetic core, a flat coil wound on a middle column of the magnetic core, and a magnetic plastic package layer covering the magnetic core and the flat coil. Two electrodes connected to two pigtails of the flat coil are exposed outside of the magnetic plastic package layer. The flat coil is configured to enable a width direction of a flat wire of the flat coil to be perpendicular to an axial direction of the middle column of the magnetic core, and the flat wire is stacked layer by layer in the axial direction of the middle column. A manufacturing method for the inductive element is also disclosed herein. By using the wounding method of the flat coil of the inductive element, a height of a product may be reduced while obtaining a same DCR, so that the product is thinner.

Abstract: An electronic component includes; a magnetic-body core having a plate-shaped portion and a core portion which extends from an upper surface of the plate-shaped portion; a winding wire which includes a wound portion wound by a rectangular wire into an Edgewise winding form and two non-wound portions extending from the wound portion to two distal ends, and the core portion is inserted through the wound portion; and a magnetic exterior body which covers at least the wound portion and the core portion. The two non-wound portions are respectively arranged along a bottom surface and at least one of the side surfaces of the plate-shaped portion. Parts of the two non-wound portions arranged along the bottom surface are electrodes.

Abstract: A transformer includes a first iron core group, a second iron core group, and winding portions. The first iron core group includes iron core stacks. The second iron core group includes iron core stacks each disposed to face a corresponding one of the iron core stacks of the first iron core group. Each of the winding portions is wound around its corresponding iron core stack of the first iron core group and its corresponding iron core stack of the second iron core group, the corresponding one iron core stack of the second iron core group facing the corresponding one iron core stack of the first iron core group. The iron core stacks of the first iron core group and the iron core stacks of the second iron core group each include annular iron cores stacked alternately.

Abstract: Provided is a power inductor. The power inductor includes a body including magnetic powder and a polymer, at least one base provided in the body and having at least one surface on which at least one coil pattern is disposed, and an insulation layer disposed between the coil pattern and the body. The body includes at least region in which the magnetic powder having a particle size different from that of the magnetic power in a remaining region is distributed.

Abstract: The present invention relates to a magnet wire bonding method and a bonding structure, and more particularly to a new improvement for ultrasonically bonding a longitudinal outer peripheral surface of a magnet wire having no entangling part to a flat surface of a flat part of a terminal pin. A magnet wire bonding method and structure, comprising: using a terminal pin (11) having a flat plate part (40) provided in a pin part (11a) as a terminal pin holding part (3); placing a magnet wire (13) in a longitudinally spread state on a flat surface (40a) of the flat plate part (40) without being entangled; and ultrasonically bonding an outer peripheral surface (13E) of the magnet wire (13) onto the flat surface (40a) with an ultrasonic horn (50).

Abstract: A storage choke is disclosed. In an embodiment a storage choke includes at least two coils and a core, wherein the core couples the coils to one another, and wherein the core comprises a first region comprising a first material and a second region comprising a second material that is different from the first material.

Abstract: A coil component including a magnetic portion that includes metal particles and a resin material, a coil conductor embedded in the magnetic portion, and outer electrodes electrically connected to the coil conductor. Also, a protective layer containing Ti is disposed on the magnetic portion.

Abstract: A sensor includes a ferromagnetic shield, at least one sensor coil disposed around an exterior of the ferromagnetic shield, and an electronics module within the ferromagnetic shield. The electronics module is configured to determine the position and/or orientation of the sensor based at least in part on a measurement of a signal induced in the at least one sensor coil.

Abstract: The present disclosure discloses a split-type electromagnet, wherein the split-type electromagnet comprises a housing and an iron core, the housing and the iron core are of a split type, wherein the iron core is fixed within the housing after the coil has been wound on the iron core, and the housing is a cylindrical body or an ellipsoidal body or a cross section of the housing is a sector-shaped ring or a rectangular ring. Compared with the integrated type of the housing and the iron core in the prior art, the winding of the coil of the electromagnet is more convenient. Furthermore, when the cross section of the housing of the electromagnet is a sector-shaped ring, a plurality of electromagnets are combined to form an electromagnet unit, and when the space is restricted, the electromagnet unit may be used to complete the electromagnetic attraction.

Abstract: To provide a magnetic element capable of reducing working man hour, the number of components, and an amount of a copper wire. A magnetic element 1 is provided with a coil assembly 4 including a core 2 formed by a compression molded magnetic body and a coil 3 wound on an outer periphery of the core 2, and an outer peripheral core 5 that surrounds an outer periphery of the coil assembly 4. The outer peripheral core 5 is formed by an injection molded magnetic body and includes an opening 5a into which the coil can be inserted, and a pair of grooves 5b into which both end portions in an axial direction of the core 2, the groove 5b being provided as a fixing unit for fixing the coil assembly 4 in the outer peripheral core and formed on an inner peripheral surface of the outer peripheral core.

Abstract: The present invention provides for a PCB transformer comprising a core and planar PCB winding, wherein the core has two legs extending from a table portion, and wherein a planar PCB winding extends around each of the said legs, and wherein the outer dimensions of the table portion in regions overlying the planar PCB windings match substantially the outer dimension of the planar PCB winding so as to achieve particularly efficient coupling between the winding and the core.

Abstract: An inductor includes a coil including a winding portion and a lead-out portion, a body constituted by a magnetic member and enclosing the coil, a protection layer disposed on a surface of the body, and an outer electrode. The body has a bottom surface, a top surface, two end surfaces, two side surfaces, and first and second R-chamfered sections. The outer electrode includes first and second electrode regions. The first electrode region is located on the bottom surface and is electrically connected to the lead-out portion. The second electrode region is located on the protection layer on each end surface. The radius of curvature of the first R-chamfered section in a cross section perpendicular to the bottom surface and the end surfaces is smaller than that of the second R-chamfered section in a cross section perpendicular to the end surfaces and the side surfaces.