Abstract: A method for manufacturing an electronic component for avoiding electromagnetic interference includes: (a) placing a T-shaped core and an air-core coil in a metal mold; (b) injecting a mixture of a composite magnetic material and a resin into the metal mold so that the T-shaped core and the air-core coil are embedded by the mixture; (c) heating the mixture at a first temperature; (d) adjusting an outer shape while removing excessive mixture; and (e) hardening the mixture. The method may further include a process of polishing an outside of the hardened mixture. The method may further include a process of applying a pressure of 0.1 to 20.0 kg/cm2 to the mixture for adjusting an outer shape of the mixture by a movable punch of a press machine before the hardening process.

Abstract: Soft magnetic core, in which permeabilities that occur at least two different locations of the core are different.

Abstract: An ignition coil for delivering a spark-generating current to a spark plug includes a magnetically-permeable core; a primary winding disposed outward of the core; and a secondary winding radially surrounding the primary winding and inductively coupled to the primary winding, the secondary winding having a low-voltage end and a high-voltage end. The secondary winding includes a secondary winding first section proximal to the low-voltage end and having a first thickness. The secondary winding also includes a secondary winding second section proximal to the high-voltage end and having a second thickness that is less than the first thickness of the secondary winding first section.

Abstract: A linear optimized isolation transformer may include a magnetic core having a primary side and a secondary side; a primary side winding on the primary side; a primary side terminal electrically coupled to the primary side winding; a secondary side winding on a the secondary side; a secondary side terminal electrically coupled to the secondary side winding; an isolation dielectric placed between the primary side winding and the secondary side winding and having a shape that fills all of the space between the primary side and the secondary side that is not occupied by the core, the isolation dielectric including a permanent high-Q material selected to maintain a high value isolation independent of pressure differences resulting from operation at different altitudes; and wherein the primary side terminal and the secondary side terminal are positioned on opposing ends of a long axis of the magnetic core.

Abstract: Provided are claims and disclosure for a toroidal coil apparatus comprising a coiled wire nest further comprising: a top end layer disposed with a center through-layer; a circumferential side wall; a bottom end layer disposed with a center through-layer any one of a top end layer or bottom end layer radially extending through the circumferential side wall to form a vertically stacked coiled wire nest with a center through-nest, wherein the wire length and configuration of each stacked layer is identical and the distance between adjacent coiled wire is identical; at least a single or a plurality of inputs of at least two counter-directional channels in electrical communication with the coiled wire nest and at least a single or plurality of outputs of at least two counter-directional channels; and a coiled wire nest frame, further comprising: a latitudinal center hub with a plurality of slots; a vertical disc with a plurality of slots with staggered teeth; wherein the said vertical disc with staggered teeth is

Abstract: A magnetic device comprises a lead frame, a first core body and a coil. The lead frame has a first portion and a second portion spaced apart from the first portion. A first core body is disposed on the lead frame, wherein the first core body comprises a first through opening and a second through opening. A coil is disposed on the first core body, wherein the coil has a first terminal and a second terminal, wherein the first portion is electrically connected with the first terminal via the first through opening, and the second portion is electrically connected with the second terminal via the second through opening, respectively.

Abstract: A magnetic core has a structure in which Fe-based soft magnetic alloy particles are connected via a grain boundary. The Fe-based soft magnetic alloy particles contain Al, Cr and Si. An oxide layer containing at least Fe, Al, Cr and Si is formed at the grain boundary that connects the neighboring Fe-based soft magnetic alloy particles. The oxide layer contains an amount of Al larger than that in Fe-based soft magnetic alloy particles, and includes a first region in which the ratio of Al is higher than the ratio of each of Fe, Cr and Si to the sum of Fe, Cr, Al and Si, and a second region in which the ratio of Fe is higher than the ratio of each of Al, Cr and Si to the sum of Fe, Cr, Al and Si. The first region is on the Fe-based soft magnetic alloy particle side.

Abstract: An ignition coil for delivering a spark-generating current to a spark plug includes a magnetically-permeable core; a primary winding disposed outward of the core; and a secondary winding disposed outward of the primary winding and inductively coupled to the primary winding. The secondary winding terminates at one end thereof in a low-voltage end and terminates at another end thereof in a high-voltage end. At least one of the low-voltage end of the secondary winding and the high-voltage end of the secondary winding is electrically connected directly to a terminal through an electrically conductive polymer.

Abstract: In accordance with an embodiment, a circuit element includes a flexible foldable substrate having portions of a first inductor formed on first and second major surfaces of the flexible substrate. In accordance with another embodiment, a first electrically conductive trace having a first terminal, a second terminal, and a first annular-shaped portion between the first terminal and the second terminal is formed on a first portion of the first major surface. A second electrically conductive trace having a first terminal, a second terminal, a first annular-shaped portion between the first terminal and the second terminal of the second electrically conductive trace, and a second annular-shaped portion between the first terminal and the second terminal of the second electrically conductive trace is formed on the second major surface. The first electrically conductive trace is coupled to the second electrically conductive trace by a thru-via.

Abstract: The invention relates to a printed circuit board having a layer structure, which accommodates a plurality of electric circuits. The electric circuits are separated from each other by an insulating barrier layer having a minimum thickness (Di) and a minimum distance (D0) between conductive components of the electric circuits.

Abstract: Provided are a coil component capable of preventing internal residence of air bubbles after encapsulated with a resin and an electronic circuit incorporating such coil component. The coil component (10) includes: a columnar core having a flange portion (210) which is formed to have a diameter larger than that of a shaft portion having a coil wound therearound; and an annular core having an opening (110) through which the columnar core is inserted, the perimeter of the inner flange face of the flange portion (210) being configured by externally disposed regions (211,212,213,214) which are positioned outside the inner face of the opening (110) in the radial direction, and internally disposed regions (215,216,217,218) which are positioned inside the inner face of the opening (110) in the radial direction.

Abstract: Various embodiments may relate to a component arrangement, including a carrier, wherein at least one electronic component is formed in the carrier, a first metallization layer over the carrier, wherein the first metallization layer has a first metallic coupling structure, which is electrically coupled to the at least one electronic component, a second metallization layer over the first metallization layer, wherein the second metallization layer has a second metallic coupling structure, wherein the first metallic coupling structure is coupled to the second metallic coupling structure by means of at least one via, and a plurality of additional vias, which extend at least between the first metallization layer and the second metallization layer and are electrically conductively coupled to one another in such a way that they form a coil, which has a coil region which is at an angle to the main processing surface of the carrier.

Abstract: A coil structure of open ventilated type stereoscopic wound-core dry-type transformer, comprising wire disks formed by wound wires and fixing parts. The fixing parts are provided with clamping grooves for fixing the wire disks. The wire disks are fixed and wound around the fixing parts to form the coil structure. The outer layers of the wires are coated with insulating paper with insulating paint. And by insulating paint, wires are adhered mutually and wire disks adhere to fixing parts, which combine into an integral structure. The coil structure does not require another paint impregnation process, so the process is simplified. And by the insulating paint on the insulating paper, wires are adhered mutually and wire disks adhere to fixing parts, so the structure is stable and firm and ensures the electrical equipment meets the requirements of electric performance, mechanical property and insulating property.

Abstract: An electronic component includes a device body and first through n-th LC parallel resonators connected in series with each other. The first through n-th LC parallel resonators respectively include first through n-th inductors and first through n-th capacitors. The first through n-th inductors are disposed in a first direction in the device body in this order. The first and n-th inductors are provided with a spiral shape or a helical shape such that they turn around respective winding axes extending along a second direction which is perpendicular or substantially perpendicular or substantially perpendicular or substantially perpendicular to the first direction. At least one of the second through (n?1)-th inductors is provided with a helical shape such that it turns around a winding axis extending along the first direction.

Abstract: An integrated stacked transformer includes a primary inductor and a secondary inductor, and the primary inductor includes at least a first turn and a second turn, and is at least formed by a plurality of windings of a first metal layer and a second metal layer, wherein the first metal layer and the second metal layer are two adjacent metal layers, and the second turn of the primary inductor is disposed inside the first turn; the secondary inductor includes at least a first turn, and the secondary inductor is at least formed by at least one winding formed by the second metal layer, wherein the first turn of the secondary inductor substantially overlaps the first turn of the primary inductor; wherein the second turn of the primary inductor includes a segment of a parallel connection structure constructed by the first metal layer and the second metal layer.

Abstract: A transformer includes a transformer core, a first wire, which forms a first winding, and a second wire, which forms a second winding. The first and second windings are wound around the transformer core. A preformed insulation structure is arranged between the first and second winding and designed to space apart the second winding from the first winding and the transformer core. The preformed insulation structure further includes a first shell which at least partially encloses the transformer core with the first winding, and a second shell which at least partially encloses the transformer core with the first winding. The first and second shells are identical. One or more holes are defined in the first shell and the second shell. The one or more holes cover more than 10% of a surface of the preformed insulation structure.

Abstract: A magnetic core has a structure in which Fe-based soft magnetic alloy particles are connected via a grain boundary. The Fe-based soft magnetic alloy particles contain Al, Cr and Si. An oxide layer containing at least Fe, Al, Cr and Si is formed at the grain boundary that connects the neighboring Fe-based soft magnetic alloy particles. The oxide layer contains an amount of Al larger than that in Fe-based soft magnetic alloy particles, and includes a first region in which the ratio of Al is higher than the ratio of each of Fe, Cr and Si to the sum of Fe, Cr, Al and Si, and a second region in which the ratio of Fe is higher than the ratio of each of Al, Cr and Si to the sum of Fe, Cr, Al and Si. The first region is on the Fe-based soft magnetic alloy particle side.

Abstract: A coil with variable inner diameter is disclosed. The coil includes a coil body consisting of a plurality of turns of winding, and a connecting terminal configured to be connected to an external device, wherein the winding is wound to form at least two different inner diameters. And an electronic module made from the coil with variable inner diameter is also disclosed. The electronic module includes: electronic components including at least an integrated circuit chip; a coil with variable inner diameter, including a coil body having at least two different inner diameters and a connecting terminal; a connector, configured to be electrically connected with the electronic component and the coil; and a magnetic conductor, configured to enclose in and around the coil body and the electronic component.

Abstract: An inductive power transfer pad for transmitting wireless power to a wireless power receiver separable from the inductive power transfer pad. The inductive power transfer pad includes a coil having at least one turn of a conductor in a first layer and a plurality of ferromagnetic slabs arranged in a second layer substantially parallel to that of the coil, the ferromagnetic slabs being arranged so as to be spaced apart from one another about the coil with their lengths extending across a longitudinal length of the coil.

Abstract: The present invention relates to a coil type unit for wireless power transmission, a wireless power transmission device, an electronic device, and a manufacturing method of a coil type unit for wireless power transmission. A coil type unit for wireless power transmission according to the present invention includes a coil pattern in the form of a wiring pattern; a magnetic portion having the coil pattern attached to one surface thereof; and an adhesive portion interposed between the magnetic portion and the coil pattern to bond the magnetic portion and the coil pattern, wherein the magnetic portion is formed by laminating one or more conductive sheets with one or more magnetic sheets and integrally firing the laminated sheets, and the magnetic portion has conductive holes in the position, where both ends of the coil pattern are disposed, to electrically connect the both ends of the coil pattern and the conductive sheet.