Abstract: A method of providing a single structure multiple mode antenna is described. The antenna is preferably constructed having a first inductor coil that is electrically connected in series with a second inductor coil. The antenna is constructed having a plurality of electrical connections positioned along the first and second inductor coils. A plurality of terminals is connected to the electrical connections that facilitate numerous electrical connections and enables the antenna to be selectively tuned to various frequencies and frequency bands.

Abstract: A molded-forming power inductor comprises a conductor, a magnetic core and a magnetic molding package layer, wherein the conductor comprises an integrally formed insulation-processed base part, an insulation-processed side enclosing part and an electrode part, the base part and the side enclosing part are assembled with the magnetic core in a gapless fit mode, and the magnetic molding package layer is gaplessly wrapped outside the conductor and the magnetic core. A method is provided for manufacturing the molded-forming power inductor. The molding package layer completely covers the prefabricated magnetic core and a part of the conductor except the electrode, the structure is integrally formed, and the leakage magnetic flux is less; when the equivalent magnetic permeability is 60 or more, the equivalent saturation magnetic flux density can be 0.55 T or higher; and the space utilization rate is high to facilitate miniaturization of an inductor design.

Abstract: A stator includes a yoke, teeth connected to the yoke, and coils including plate-shaped conductive wire and mounted on respective teeth. Each coil includes a wound part, a first and second terminals. The wound part is wound around the tooth n turns (n is an integer equal to or greater than 2). The wound part satisfies a relationship represented by Ak<Bk, where Ak is a height of a first section in an axial direction of the tooth, and Bk is a width of a second section in a circumferential direction of the tooth. The first and second sections are sections in k-th turn (k is an integer that satisfies 1?k?n) of the coil. The first section is along an axial end surface of the tooth. The second section extends from an end of the first section along a circumferential end surface of the tooth.

Abstract: An electromagnetic component such as a power inductor includes first and second magnetic core pieces and a preformed conductive coil winding. The coil winding includes a U-shaped winding section including a top winding section and a pair of winding legs extending from opposing ends of the top winding section. The winding legs extend coplanar to one another and are oriented perpendicular to a circuit board in use. The legs are located between the first and second magnetic core pieces, and the top winding section is bent to extend perpendicularly to the plane of the pair of winding legs.

Abstract: An inductor component comprises a ring-shaped core; and a coil wound around the core and comprising wire members each constituting a single turn. Each of the wire members has a first side portion facing an inner peripheral surface of the core, a second side portion facing a first end surface that is one end surface of the core and is located in a direction of a center axis of the core, a third side portion facing an outer peripheral surface of the core, and a fourth side portion facing a second end surface that is the other end surface of the core and is located in the direction of the center axis of the core. At least one of the second and third side portions has a bent portion protruding on the core side, and the first and fourth side portions of adjacent wire members are connected.

Abstract: An inductor component includes an element body, a coil provided in the element body, and an outer electrode provided to the element body and electrically connected to the coil. The outer electrode includes an underlying layer embedded in the element body in which part of the underlying layer protrudes from a surface of the element body, and a coating film that covers a portion of the underlying layer exposed at the element body.

Abstract: An inductor component and a method for manufacturing an inductor component that enables miniaturization of the inductor component. An inductor component includes an annular core; and a coil including a plurality of pin members and wound on the core with neighboring pin members connected to each other. A first pin member and a second pin member both adjacent to each other have a welded part in which an end face of an end part of the first pin member and a peripheral surface of an end part of the second pin member are welded to each other. The welded part is not provided on an outer side edge of the second pin member as viewed from a direction orthogonal to a first plane containing a center line of the end part of the first pin member and a center line of the end part of the second pin member.

Abstract: A coil element includes a core member, a plate portion connected to one end of the columnar portion, a coil conductor wire, and a terminal electrode. The core member has a flat-shaped connection end portion provided in each of both end portions of the coil portion. The plate portion has a principal surface, a first surface connected to the principal surface, and a second surface connected to the principal surface and the first surface. The terminal electrode has an electrode layer and a joint layer. The electrode layer is formed on either the first surface or the second surface of the plate portion. The joint layer includes a cavity portion locally provided between the connection end portion and the electrode layer and joins the connection end portion and the electrode layer to each other.

Abstract: This application describes a coil. The coil includes an output terminal, an input terminal, and a wire-winding part that is connected between the output terminal and the input terminal. A slot is disposed on at least a part of the wire-winding part, and a depth of the slot in any direction of a cross section of the wire-winding part is less than or equal to a distance between two points that are the farthest away from each other on the cross section of the wire-winding part. The wire-winding part is a metal conductor made through spiral winding. The input terminal and the output terminal are configured to connect the wire-winding part to an external circuit.

Abstract: A method for manufacturing a dust core, including: a step of preparing a raw material powder including a coated pure iron powder composed of a plurality of pure iron particles each having an insulating coating layer, a coated iron alloy powder composed of a plurality of iron alloy particles each having an insulating coating layer, and a metal soap; a step of manufacturing a molded article by performing a compression molding of the raw material powder filled in a mold; and a step of performing a heat treatment of the molded article to eliminate distortions in the coated pure iron powder and the coated iron alloy powder, wherein a difference Tm?Td between a melting point Tm of the metal soap and a temperature Td of the mold in the step of manufacturing the molded article is greater than or equal to 90° C.

Abstract: A coil component includes an element body and a coil conductor provided inside the element body, in which the element body has a substantially rectangular shape and has upper and lower surfaces facing each other in a winding axis direction of the coil conductor and first to fourth side surfaces. The element body includes a first magnetic body portion and a second magnetic body portion provided on a main surface of the first magnetic body portion. The coil conductor includes a winding portion and first and second extended portions extended to any side surface of the element body. The first magnetic body portion includes on the main surface thereof an outer convex portion and an inner convex portion provided outside and inside the winding portion, respectively. The outer convex portion is exposed only on one side surface or two adjacent side surfaces of the element body.

Abstract: A method of manufacturing an inductor element includes preparing an insert member including a winding portion where a conductor is wound in a coil shape. A plurality of preliminary green compacts is obtained by conducting a preliminary compression molding of a granule containing a magnetic powder and a resin at a pressure of 2.5×102 to 1×103 MPa. The insert member and the plurality of preliminary green compacts are integrated so that a joint interface of the plurality of preliminary green compacts is formed intermittently.

Abstract: A method of providing a single structure multiple mode antenna is described. The antenna is preferably constructed having a first inductor coil that is electrically connected in series with a second inductor coil. The antenna is constructed having a plurality of electrical connections positioned along the first and second inductor coils. A plurality of terminals is connected to the electrical connections that facilitate numerous electrical connections and enables the antenna to be selectively tuned to various frequencies and frequency bands.

Abstract: A coil component in which occurrence of plating elongation is further suppressed and an inductance value is higher. A coil component includes an element body including metal magnetic particles, a coil conductor inside the element body, and a plurality of external electrodes on a surface of the element body. The element body has a substantially rectangular parallelepiped shape including upper and lower surfaces substantially orthogonal to a winding axis of the coil conductor, first and second side surfaces facing each other, and third and fourth side surfaces facing each other. An average particle diameter of each of metal magnetic particles constituting the upper surface, metal magnetic particles constituting the lower surface, metal magnetic particles constituting the first side surface, and metal magnetic particles constituting the second side surface is smaller than an average particle diameter of metal magnetic particles existing inside a winding portion of the coil conductor.

Abstract: Provided is an electromagnetic wave generator including: an electromagnetic wave generation section that generates an electromagnetic wave; a high-frequency voltage generation section that generates a voltage applied to the electromagnetic wave generation section; and a transmission line that electrically couples the electromagnetic wave generation section and the high-frequency voltage generation section to each other, in which the electromagnetic wave generation section includes a first electrode, a second electrode, a first conductor that electrically couples the first electrode and the transmission line to each other, and a second conductor that electrically couples the second electrode and the transmission line to each other, one of the first electrode or the second electrode is a reference potential electrode to which a reference potential is applied and the other is a high-frequency electrode to which a high-frequency voltage is applied, a minimum separation distance between the first electrode and the

Abstract: A three-phase AC reactor according to an embodiment of the present invention includes three-phase coils that are not arranged in parallel, an input and output terminal block having an input and output unit having a parallel arrangement, and an external connection position change unit disposed between a coil end of each of the three-phase coils and the input and output terminal block to connect the coil end to the input and output terminal block.

Abstract: The present disclosure relates to a motor for a seat sliding device of a vehicle, and includes a coil module in which a plurality of first coils and a plurality of second coils are seamlessly disposed in the circumferential direction to have a cylindrical shape. Therefore, the conventional stator core having a slot and a tooth for installing the coil is not used, thereby implementing miniaturization and light-weight of a motor. and the slot and the tooth do not exist, thereby reducing a cogging torque and reducing the vibration and noise of the motor.

Abstract: A method used for producing rotors and stators of electric motors, including the production of connection wires, and comprises the following steps: Winding the coil windings (12), which comprise a plurality of individual wires (14), on a wire winder (28) to which the individual wires (14) are fed from a wire supply unit (16) via a wire guide 18, 20, 22), Depositing the coil windings (12) in a draw-in tool (36), Drawing the coil windings (12) into grooves of a stator (84) or rotor body, Combining the individual wires (14) in phases by means of slide-on tubes (52) to produce the connection wires of the stator or rotor in question.

Abstract: An apparatus includes a substrate, one or more integrated circuit dies on the substrate, and a stiffener affixed to the substrate. One or more sections of the stiffener may includes a magnetic material. The apparatus further includes an inductive circuit element comprising one or more conductive structures wrapped around the magnetic material. In some examples where a first coil is wrapped around a first section of the stiffener, and a second coil is wrapped around a second section of the stiffener, current supplied to the first coil generates at the second coil a current that is further transmitted to the one or more semiconductor dies.

Abstract: A manufacturing method for an electronic component includes preparing a first composite magnetic section provided with a first composite magnetic layer and at least one marker layer disposed on the first composite magnetic layer; and preparing a second composite magnetic section provided with a second composite magnetic layer and at least one coil formed by winding a conductive wire and buried in the second composite magnetic layer with part of the coil being exposed. The manufacturing method further includes obtaining a multilayer body by disposing the first composite magnetic section so that a surface on the opposite side of the first composite magnetic section to a surface where the marker layer is disposed opposes a surface of the second composite magnetic section; and obtaining a molded body having a marker area formed with non-conductive particles pressed into the first composite magnetic layer.

Abstract: Embodiments include inductors and methods of forming inductors. In an embodiment, an inductor may include a substrate core and a conductive through-hole through the substrate core. Embodiments may also include a magnetic sheath around the conductive through hole. In an embodiment, the magnetic sheath is separated from the plated through hole by a barrier layer. In an embodiment, the barrier layer is formed over an inner surface of the magnetic sheath and over first and second surfaces of the magnetic sheath.

Abstract: A method and to a device for inserting a plurality of wires into a plurality of grooves of a component, such as a stator or rotor of an electric motor, in which the wires are inserted by gripping elements.

Abstract: A security portal includes magnetic field sensors in a sensor assessment network (SAN) for tracking a magnetic dipole target. Each sensor includes a sensor transducer, a sensor coil, and a digitally controlled potentiometer. A sensor controller applies a stepped voltage, samples an output frequency at each stepped voltage value, generates a magnetic sensor response curve, and converts a non-linear response of the sensor transducer to a magnetic field value for each x, y and z channel as a function of frequency for a specific potentiometer setting based upon the sensed magnetic dipole that is tracked in the security portal. A SAN controller receives the magnetic field values from each channel and determines the magnetic field vectors of the target over each sample.

Abstract: A method for manufacturing an electronic component is provided. The method includes: placing an air-core coil in a mold; placing a mixture of an Fe—Si—Cr alloy, a thermosetting resin, and a solvent into the mold so as to embed the air-core coil in the mixture; after placing the mixture, applying pressure to the placed mixture so that a shape of the placed mixture conforms to the air-core coil and the mold; and after applying the pressure, heating the mixture at a predetermined temperature for a predetermined time so that the placed mixture is hardened.

Abstract: A coil component includes a body having a winding type coil and a core in which the winding type coil is embedded, and external electrodes disposed on external surfaces of the body. The core includes first and second cores, and the first and second cores are coupled to each other with a bonding surface interposed therebetween. The bonding surface is formed of a same type of resin as the first and second cores. The first and second cores each include a resin directly covering surfaces of magnetic powder particles, such that adjacent particles are separated only by the resin. A method of manufacturing the coil component includes applying a solvent to dissolve a resin on a bonding surface of the first core, and mounting the second core to the bonding surface having the solvent applied thereto.

Abstract: The invention relates to a package carrier for installing a plurality of wire windings into a component such as a stator or a rotor of an electrical machine, the component having a plurality of grooves running longitudinally which are designed to receive wire sections of the wire windings.

Abstract: A multiple phase shifter for electromagnetic waves, having a plurality of phase-shifting modules. Each phase-shifting module includes at least two homothetic loops, electrically insulated from each other and connected together by two distinct interloop electrical connection elements at a first opening in each of the loops. The phase-shifting modules are electrically connected to at least one other phase-shifting module by two intermodule connection elements and are arranged in a plurality of groups. Each group includes at least two homothetic, concentric, interconnected phase-shifting modules. At least the outer loop of each group includes intergroup connectors having at least one pair of intergroup connection elements arranged at a first opening in the loop.

Abstract: A medical instrument and method to facilitate the performance of medical procedures. The instrument has at least one tracking sensor being disposed at a distal portion of the instrument. The sensor includes a tube containing a ferrite powder, and a coil wound around the tube. The method includes inserting the medical instrument into a subject. The sensor generates a signal in response to a magnetic field to enable the physician to track the instrument in the subject.

Abstract: An assembling device (10) includes a first rotating portion (11), a second rotating portion (12), and eighteen support arms (13) for supporting coil segments (4), and a motor (29). The first rotating portion (11) includes a first rotating plate (11a) having first holding portions (1d) on an outer peripheral surface thereof. The second rotating portion (12) includes a second rotating plate (12a) having second holding portions (12c) on an outer peripheral surface thereof. The motor (29) rotates the first rotating portion (11) in a counterclockwise direction D1, and the second rotating portion in a clockwise direction D2. Thus, the base parts (21) of the first to eighteenth support arms (13) are transferred from the first holding portions (11d) to the second holding portions (12c) so that the coil segments (4) are assembled to overlap with one another.

Abstract: A laminated core manufacturing device includes: an overlapping unit configured to overlap the plurality of laminated core materials conveyed along different conveyance routes; an edge position correction unit configured to align edge positions in a width direction of the plurality of laminated core materials between the plurality of laminated core materials and to correct shift of each edge position of the plurality of laminated core materials with respect to a standard edge position; an uplift prevention unit configured to prevent uplift of the plurality of laminated core materials; and a punching unit configured to punch out the plurality of laminated core materials which are overlapped by the overlapping unit and have been subjected to a process to align the edge positions and to correct shift of the edge positions performed by the edge position correction unit, and a process to prevent the uplift performed by the uplift prevention unit.

Abstract: A charging configuration for the inductive wireless energy transfer to a receiver coil of an electrically operated vehicle. A first circularly wound electrically conductive coil extends in a plane and has a first central opening in the center of the first coil. A second circularly wound electrically conductive coil extends in a plane, coplanar with the first coil, and has a second central opening formed in its center. A ferrite core is supported on a shielding sheet with a rectangular base plate together with the coplanar coils. The coils are arranged in a coil holder on the shielding sheet such that a distance of between 15 and 25 mm remains between the shielding sheet and the bottom edge of the coils.

Abstract: A gas safety valve adapted to a domestic appliance is provided that includes an electromagnet, a phase wire and a ground wire. A support of the electromagnet includes a housing in which resides a phase closure. A segment of the phase wire and a segment of the ground wire are respectively electrically connected with the phase closure and with the support. According to one embodiment the valve includes a connector inserted in the housing of the support. The connector having inserted therein a first end portion of a phase terminal and a first end portion of a ground terminal that are respectively electrically connected with the phase closure and an inner area of the support. Each of the phase terminal and ground terminal including a second end portion that resides exposed to the outside of the valve.

Abstract: The invention relates to an electric motor having a rotatably mounted rotor magnet and a stator enclosing the rotor magnet, said stator comprising at least three coil windings and a winding carrier, wherein coil axes of the at least three coil windings are disposed radially to an axis of rotation of the rotor magnet in various radial directions. The coil windings of the electric motor are designed so that a gap that is parallel to the axis of rotation of the rotor magnet extends between at least two adjacent coil windings, in which at least one media line extending in the longitudinal direction is provided.

Abstract: A winding bobbin includes a bobbin main body constructed in a ring shape so as to house a ring-shaped core and a plurality of partitions that are provided at intervals in a circumferential direction of the bobbin main body and formed so as to protrude from a surface of the bobbin main body. A winding is formed by winding a conductive wire in winding regions on the surface that are partitioned by the partitions. The partitions each include a flange that is formed of a U-shaped plate that protrudes from the surface at three positions out of four positions that are an outer circumference, an inner circumference, and two sides of the bobbin main body, with one position omitted, and a protrusion that is formed so as to protrude from at least one out of two opening-side ends of the flange.

Abstract: A method and apparatus to attach an Electroluminescent wire and power inverter to a helmet is disclosed. Dabs of hot glue are injected at various locations to form a pattern on a helmet top surface. Segments of heat shrink tubing are inserted into the injected hot glue on the surface to permit the heat shrink tubing segments to shrink and adhere to the helmet. Electroluminescent wire is inserted into the partially shrunk segments of heat shrink tubing. A power inverter is attached to the helmet and connected to the electroluminescent wire to create a light pattern.

Abstract: A coil body with a hollow housing body is provided that has on a first side an opening for the intake of a coil into the housing body along an inserting direction and a housing wall that extends between the first side of the housing body and a second side that is located opposite. The coil body further comprises multiple electric contacts and a plurality of guiding grooves that are disposed along the housing wall and that are each formed for guiding of a connection wire in order to connect a coil, which has been absorbed by the housing body, to the contacts. The contacts are thereby disposed on the second side on the housing body.

Abstract: In accordance with at least one aspect of this disclosure, a structure can include a first body formed from a first material, and a second body disposed on or embedded within the first body. The second body includes a shape memory alloy configured to provide a first stress to the first body in a first state and a second stress to the first body in a second state. The shape memory alloy is configured to transition from the first and second state as a function of an applied activation energy.

Abstract: A connector includes a conductor, a noise filter part, an inner mold part, and a housing. The conductor has a terminal at one end and the other end of the conductor is connected to a wire. The connector is to be joined with a counterpart connector so that the terminal is in conduction with a terminal of the counterpart connector. The noise filter part includes a core attached to the conductor and formed of a magnetic member which reduces noise of a current flowing in the conductor. The inner mold part is integrally molded with the noise filter part so as to cover at least a periphery of the core and formed of a soft resin material. The housing which covers a periphery of the inner mold part and is formed of a hard resin material.

Abstract: A method for manufacturing an electronic component is provided. The method includes placing a T-shaped core and an air-core coil in a mold, placing a mixture of a metal magnetic material and a thermosetting resin into the mold so as to embed the T-shaped core and the air-core coil in the mixture, applying pressure in a range of 0.1 to 20.0 kg/cm2 to the placed mixture so that a shape of the placed mixture conforms to the T-shaped core, the air-core coil, and the mold, and, after applying the pressure, heating the mixture at a predetermined temperature for a predetermined time so that the placed mixture is hardened.

Abstract: A stator (1) of a rotary electric machine includes a body (2) provided with slots (15), a coil (3) constituted of windings (4, 5, 6, 7, 8) that include first conductive segments (19) equipped with two first branches and second conductive segments (25) provided with two second branches. Each conductive segment is coated with insulation except for the presence of a bared surface on each one of the branches. The shapes of the bared surfaces complement one another. The first and second conductive segments are arranged in a staggered configuration and in opposite directions successively one after the other, with each slot accepting first branches and second branches positioned opposite with the bared surfaces thereof respectively in contact with one another in such a way as to form a continuous wire. The stator includes elements for keeping the bared surfaces in contact with one another in the slots.

Abstract: A power adapter device may include a power field effect transistor (FET), a transformer including a radiant heat exchanger, and electrical conductors coupled between the power FET and the transformer. The electrical conductors may transfer heat generated by the power FET from the power FET to the transformer. The radiant heat exchanger may dissipate a portion of the heat to cool the power FET. As such, the radiant heat exchanger may function as a heat sink for the power FET, enabling efficient heat dissipation using a compact design.

Abstract: The present invention relates to a choke with two coils and a core for interleaved applications in step-up or step-down circuits or power factor compensation circuits. The core comprises several core sections with several lateral legs and a middle leg, whereby the core is designed such, that a coupling factor k of the two coils is smaller than 3%-5%. Furthermore, the core is designed such, that the core section form two loops with the middle leg as a common section, whereby each of the two coils lies on different loops outside of the common section. The lateral legs have a cross section A1 and the middle leg for the common section has a cross section A2<2×A1.

Abstract: The present invention relates to a method and an apparatus for producing superconducting devices and to superconducting devices. The method comprises determining one or more regions of reduced critical current density in the superconducting device and modifying the critical current density in the one or more regions of reduced critical current density, so as to increase the overall critical current or to decrease the overall AC losses of the superconducting device. The modifying comprises modifying the amount and/or distribution of the superconducting material in the one or more regions of reduced critical current density; and/or modifying the chemical composition of the superconducting material in the one or more regions of reduced critical current density; and/or decreasing the cooling temperature in the one or more regions of reduced critical current density. A superconducting device formed according to such method can also be provided.

Abstract: An eddy current monitoring system may include an elongated core. One or more coils may be coupled with the elongated core for producing an oscillating magnetic field that may couple with one or more conductive regions on a wafer. The core may be translated relative to the wafer to provide improved resolution while maintaining sufficient signal strength. An eddy current monitoring system may include a DC-coupled marginal oscillator for producing an oscillating magnetic field at a resonant frequency, where the resonant frequency may change as a result of changes to one or more conductive regions. Eddy current monitoring systems may be used to enable real-time profile control.

Abstract: An induction cooking heater including an inductor having a number of magnetic field concentration bars located beneath the inductor. The inductor having the magnetic field concentration bars is supported by a polymeric frame. The polymeric frame includes a first support element on which the inductor is wound and a second support element that supports the magnetic field concentration bars. The first support element and the second support element are assembled together through a central ring-shaped zone having a snap engagement. The inductor is wound on an upper surface of the first support element opposite to the second support element.

Abstract: A bond-wire transformer for an RF device is described. The primary and secondary circuits of the bond-wire transformer are formed using loops formed with a pair of normal profile and low profile bond-wires. This results in improved efficiency and higher power operation.

Abstract: In order to provide an air core coil fitting apparatus that can automatically fit an air core coil onto a core, an air core coil fitting apparatus includes a holding member, a coil fitting rod, a rod driving member, a pushing member, and a sending member. The holding member holds a core main body that is formed in a ring shape, has a gap extending through the core main body from an inner circumferential face to an outer circumferential face thereof, and allows an air core coil wound in advance to be fitted onto the core main body from one end thereof. On the coil fitting rod, the air core coil that is to be fitted onto the core main body held by the holding member is fitted. The rod driving member brings a front end of the coil fitting rod close to or into contact with the one end of the core main body held by the holding member. The pushing member pushes the air core coil fitted on the coil fitting rod, toward the one end of the core main body.

Abstract: A wound core for stationary induction apparatus is provided that includes a wound core body, the core body being configured with laminated metal ribbons and provided in an upright manner, and a uniting binder provided on the outer circumference of the wound core body more sparsely toward the upper portion of the core body.

Abstract: The invention proposes a method of producing induction components. A plurality of coils are embedded, with predetermined orientation of the coil ends, in a block made of in particular pulverulent substrate. The block is positioned on a plate having a marking for each coil. The combination made up of block and plate is pressed. The winding ends are exposed by milling and provided with contacts. The block is then sawn up mechanically into individual elements each containing a coil.

Abstract: Solid state components having an air core and methods of producing such components are presented. An air core component preferably has lower conducting bands, upper conducting, and conducting posts that collectively form a conducting coil. A coating material placed at least over the upper bands of the coil provides structural support for the coil. The coil can be built around or in a sacrificial core material that can be removed leaving an air core behind.