Abstract: A coil electronic component includes a magnetic body having an internal coil part embedded therein, in which the internal coil part includes an insulating substrate, a first insulator, a coil conductor, and a second insulator. The first insulator is disposed on at least one of first and second main surfaces of the insulating substrate and has a groove formed therein. The coil conductor is formed inside the groove. The second insulator encloses the insulating substrate, the first insulator, and the coil conductor. The first insulator may be formed to a thickness larger than (and no more than 40 ?m thicker than) a thickness of the coil conductor on the insulating substrate. The first insulator may be formed to a width of 3 ?m to 50 ?m. Further, the second insulator may extend to a thickness 1 ?m to 20 ?m larger than that of the first insulator on the insulating substrate.
Abstract: A coil component includes a main body portion containing resin and having a hole portion, a coil provided in the main body portion, and a substantially cylindrical pipe arranged inside the hole portion. The coil includes an inner wiring embedded in the pipe and an outer wiring exposed from the main body portion. The inner wiring and the outer wiring are integrally continuous.
Abstract: An electronic component includes a magnetic body containing magnetic metal powder; and external electrodes disposed on an outer portion of the magnetic body. The external electrodes include first plating layers in direct contact with the magnetic body.
Abstract: A transformer is provided, which includes a tank having an enclosed volume with an insulating material, the tank including at least one channel extending through the tank, wherein the interior of the at least one channel is separated from the enclosed volume of the tank by a channel wall. A transformer core is provided outside of the enclosed volume, including at least one core leg extending through the tank via the at least one channel. At least one coil is located inside the enclosed volume, the coil being wound about the at least one channel, the tank has an inner wall or outer wall including a weakly-conductive layer, which includes fibers embedded in an impregnating material.
August 12, 2019
Date of Patent:
January 17, 2023
Hitachi Energy Switzerland AG
Lise Donzel, Rudi Velthuis, Thomas Gradinger, Felix Greuter
Abstract: A coil includes a first winding portion having a first wire helically wound including at least one strand, and a second winding portion having a second wire helically wound including a plurality of strands electrically connected to the first winding portion and has an axis that is parallel to an axial direction of the first winding portion, wherein the strands included in the second wire are arranged in parallel in an axial direction of the second winding portion, the number of strands included in the second wire is greater than the number of strands included in the first wire, the cross-sectional area of the second wire is equal to or larger than the cross-sectional area of the first wire, and the cross-sectional area of each strand included in the second wire is equal to or smaller than the cross-sectional area of each strand included in the first wire.
Abstract: A coil component in which a change in thicknesses of the winding part is prevented is provided. According to the coil component, since each of a pair of neighboring resin walls and a seed part between the pair of resin walls are separated by a predetermined distance, a plating part grown on the seed part is easy to grow uniformly between the pair of neighboring resin walls. For this reason, the winding part whose surface is gentle and in which a change in thickness is prevented is obtained by plating growth.
Abstract: A coil component according to one embodiment of the present invention includes: a base body having a plurality of magnetic layers; a first external electrode provided on the base body; a second external electrode provided on the base body and spaced from the first external electrode; a coil conductor provided in the base body; a first lead-out conductor including a first lead-out conductor first pattern and a first lead-out conductor second pattern; and a second lead-out conductor connecting a second end of the coil conductor and the second external electrode. The first lead-out conductor first pattern is provided between the magnetic layers so as to be connected to a first end of the coil conductor and the first external electrode. The first lead-out conductor second pattern is provided between the magnetic layers so as to be connected to the first lead-out conductor first pattern and the first external electrode.
Abstract: Provided is a reactor including a coil having a pair of winding portions; and a ring-shaped magnetic core, the magnetic core including: a pair of inner core portions arranged inside of the winding portions; and a pair of outer core portions respectively arranged outside of one end and outside of another end in an axial direction of the winding portions, the reactor including a non-magnetic reinforcing member that is arranged between the pair of winding portions and is coupled to the inner end surfaces of the pair of outer core portions. An axial rigidity of the reinforcing member is 2×107 N/m or more. Here, the axial rigidity is a value obtained by multiplying the cross-sectional area of the reinforcing member perpendicular to the axial direction of the winding portions and the Young's modulus of the reinforcing member, and dividing the result by the length of the reinforcing member.
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 coil device includes a bobbin including a hollow cylindrical portion and first and second flanges disposed at ends of the hollow cylindrical portion, and having a first partition located between the first and second flange and a second partition located between the first partition and second flange; the first winding wound around the outer periphery of the hollow cylindrical portion between first partition and the first flange; the second winding wound around the outer peripheral surface of the hollow cylindrical portion between the first partition and the second flange, and wound around both sides of the second partition according to a predetermined position. The coil device can wind the winding wire of the second winding at a predetermined position, thereby reinforcing the secondary side magnetic coupling while controlling or reducing the leakage inductance manufacturing error between the primary and secondary side due to difference in the secondary side winding.
Abstract: A choke comprising a core and a first power conductor, wherein the first power conductor comprises a first coil winding, having at least one complete turn about the core, characterized that at least one of the least one turns of the first coil winding comprises a rigid first busbar member and a rigid second busbar member.
May 13, 2019
Date of Patent:
December 20, 2022
Schaffner EMV AG
Szymon Pasko, Marco Ranieri, Jean-Pierre Greber
Abstract: A thin film inductor is disclosed, which includes a thin film magnetic core. The thin film magnetic core includes at least one magnetic thin film. In each magnetic thin film, at least one type-1 gap is provided. A length direction of the type-1 gap is parallel to a direction of hard magnetization of the magnetic thin film. If the thin film magnetic core comprises at least two magnetic thin films, the at least two magnetic thin films are laminated and overlap each other. A sum of widths of all type-1 gaps in each magnetic thin film is the same.
Abstract: A coil component includes: a core having first and second shafts arranged in a line, and first and second opposed members; a case supporting the core and having a housing accommodating the core, and first and second outer walls opposing each other; a coil wound around the first and second shafts; and first and second metal terminals being electrically connected to the coil and being provided at the first and second outer walls, respectively. The first and second opposed members are opposed to each other and sandwich the first and second shafts therebetween.
Abstract: A primary coil former for an ignition coil has a winding carrier surface configured for a primary coil wound thereon. Two primary winding stops limit the winding carrier surface at first and second axial ends of the carrier surface, respectively. Two holders are formed at the first axial end, each configured for holding one end of a winding wire. Two deflection domes are formed at the second axial end, one of the domes configured for guiding a winding wire back to the winding carrier surface for a clockwise winding and the other dome configured for guiding a winding wire back to the winding carrier surface for a counterclockwise winding. A groove in the winding carrier surface receives a winding wire which leads from one of the ends of the winding carrier surface up to a gap between the two deflection domes at the opposite end of the winding carrier surface.
November 15, 2019
Date of Patent:
December 13, 2022
BorgWarner Ludwigsburg GmbH
Sven Schumm, Manfred Adolf, Timo Stifel, Dirk Wüstenhagen, Manuel Bauer, Alexander Stark
Abstract: Disclosed herein is a coil component that includes: a first magnetic core extending in the first direction and around which the wires are wound; a second magnetic core covering the first magnetic core from one side in a third direction; first and second terminal electrodes connected respectively to one ends of the first and second wires; and third and fourth terminal electrodes connected respectively to other ends of the first and second wires. The first and second electrodes are arranged in the first direction along the first surface of the first magnetic core, and the third and fourth terminal electrodes are arranged in the first direction along the second surface of the first magnetic core.
Abstract: A transformer includes a primary coil unit including a primary winding, a first insulating portion and a shielding layer, wherein the first insulating portion wraps the primary winding, the shielding layer covers an outer surface of the first insulating portion, the shielding layer includes an opening, and a part of the first insulating portion is exposed at the opening; an outgoing wire terminal in the opening and having a first portion and a second portion connected with each other, the first portion coupled to the primary winding and wrapped by the first insulating portion, the second portion being exposed out of the first insulating portion; a connecting wire having a first end connected to the second portion of the outgoing wire terminal; and an insulating sleeve partially wrapping the connecting wire, and a second end of the connecting wire being exposed out of the insulating sleeve, (FIG. 17).
Abstract: A drum core includes a core portion that extends in an axial direction, first and second flange portions respectively disposed at first and second ends of the core portion in the axial direction, and first and second terminal electrodes respectively disposed at the first and second flange portions. The first flange portion includes a bottom surface that is substantially parallel to the axial direction and on which the first terminal electrode is disposed, an outer end surface that is substantially perpendicular to the axial direction and that faces outward away from the core portion, and a first ridge portion and a second ridge portion respectively disposed at a first end and a second end of the outer end surface in a width direction substantially parallel to the bottom surface and the outer end surface, and the first ridge portion and the second ridge portion have different shapes.
Abstract: A coil device includes a core and a coil portion. The core includes a winding core part and a flange part disposed at one end of the winding core part in an axial direction thereof. The coil portion is formed by winding a first wire and a second wire around the winding core part. The flange part includes first and second grooves passed by a leading part of the first wire or the second wire. The first groove extends toward an outside of the flange part. The second groove extends toward the outside of the flange part at an angle differing from that of the first groove.
Abstract: A coil component includes a first alignment winding region in which a second wire is continuously wound so as to have turns such that the turns of the second wire are aligned with turns of a first wire having the same ordinal number outside the first wire in a direction perpendicular to a central axis. The ordinal number is counted from the turn nearest to the first flange portion.
Abstract: A multilayer inductor component includes an element body that is an insulator and a coil in which a plurality of coil conductor layers that extend along planes in the element body are electrically connected to each other. Also, each of the coil conductor layers includes metal part and glass part, and the glass part include internal glass portion that is entirely included in the metal part.