公开(公告)号：US12159749B2

公开(公告)日：2024-12-03

申请号：US18493818

申请日：2023-10-25

Applicant: Delta Electronics (Shanghai) Co., Ltd.

Inventor： Chaofeng Cai ,  Xiaoni Xin ,  Jianhong Zeng ,  Shouyu Hong ,  Rui Wu ,  Haoyi Ye ,  Yiqing Ye ,  Jinping Zhou ,  Zhiheng Fu ,  Min Zhou ,  Yu-Ching Kuo ,  Tong-Sheng Pan ,  Wen-Yu Lin

IPC: H01F27/28 ,  H01F41/02 ,  H01F41/064 ,  H01F41/08 ,  H01F30/08 ,  H01F41/04

Abstract: The present disclosure provides a transformer module and a power module, wherein the transformer module comprises: a magnetic core, a first wiring layer, a first insulating layer and a second wiring layer, where the first wiring layer, the first insulating layer and the second wiring layer are sequentially disposed on the magnetic core from outside to inside; a first metal winding, formed in the first wiring layer, where at least part of the first metal winding is wound around the magnetic core in a foil structure; the first insulating layer, at least partially covered by the first metal winding; a second metal winding, formed in the second wiring layer and wound around the magnetic core, where the second metal winding is at least partially covered by the first insulating layer, and at least partially covered by the first metal winding.

公开(公告)号：US20240055182A1

公开(公告)日：2024-02-15

申请号：US18493818

申请日：2023-10-25

Applicant: Delta Electronics (Shanghai) Co., Ltd.

Inventor： Chaofeng CAI ,  Xiaoni XIN ,  Jianhong ZENG ,  Shouyu HONG ,  Rui WU ,  Haoyi YE ,  Yiqing YE ,  Jinping ZHOU ,  Zhiheng FU ,  Min ZHOU ,  YU-CHING KUO ,  TONG-SHENG PAN ,  WEN-YU LIN

IPC: H01F41/08 ,  H01F41/064 ,  H01F41/02

CPC classification number: H01F41/08 ,  H01F41/064 ,  H01F41/0213 ,  H01F30/08

Abstract: The present disclosure provides a transformer module and a power module, wherein the transformer module comprises: a magnetic core, a first wiring layer, a first insulating layer and a second wiring layer, where the first wiring layer, the first insulating layer and the second wiring layer are sequentially disposed on the magnetic core from outside to inside; a first metal winding, formed in the first wiring layer, where at least part of the first metal winding is wound around the magnetic core in a foil structure; the first insulating layer, at least partially covered by the first metal winding; a second metal winding, formed in the second wiring layer and wound around the magnetic core, where the second metal winding is at least partially covered by the first insulating layer, and at least partially covered by the first metal winding.

公开(公告)号：US11869704B2

公开(公告)日：2024-01-09

申请号：US17079658

申请日：2020-10-26

Applicant: TDK CORPORATION

Inventor： Shuhei Someya ,  Aoi Tokiwa ,  Daisuke Urabe

IPC: H01F27/29 ,  H01F27/28 ,  H01F41/064 ,  H01F27/24

CPC classification number: H01F27/2828 ,  H01F27/24 ,  H01F41/064

Abstract: A coil device includes a winding core, a wire, and a terminal fitting. The winding core is made of a magnetic material and includes a flange. The wire is wound around the winding core. The terminal fitting is attached to a part of an outer surface of the flange. The terminal fitting includes a contact part and a protrusion plate part. The contact part is contacted with the outer surface of the flange. The protrusion plate part is formed integrally with the contact part and protrudes away from the flange. The protrusion plate part includes a wire connection surface and a main mounting surface. A lead end of the wire is connected to the wire connection surface. The main mounting surface is located opposite to the wire connection surface and is connectable to an external circuit.

公开(公告)号：US11848138B2

公开(公告)日：2023-12-19

申请号：US16243974

申请日：2019-01-09

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Hiroyuki Tei

IPC: H01F27/28 ,  H01F17/04 ,  H01F27/26 ,  H01F27/245 ,  H01F27/29 ,  H01F41/02 ,  H01F41/064 ,  H01F3/14 ,  H01F17/00

CPC classification number: H01F27/245 ,  H01F3/14 ,  H01F17/045 ,  H01F27/263 ,  H01F27/2823 ,  H01F27/29 ,  H01F41/0233 ,  H01F41/064 ,  H01F2017/0093

Abstract: A coil component includes a drum core including a winding core portion and flange portions on opposite sides of the winding core portion in its axial direction, a wire wound around the winding core portion, and a sheet core arranged on a top surface of each of the flange portions and on the wire with an adhesive interposed therebetween. The adhesive contains no filler. A shortest distance between the top surface of the flange portion and the sheet core is not smaller than about 3 μm.

公开(公告)号：US11676754B2

公开(公告)日：2023-06-13

申请号：US16848771

申请日：2020-04-14

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Takashi Sukegawa ,  Yasuhiro Itani ,  Takanori Suzuki ,  Yuuki Kitadai ,  Yoshifumi Maki ,  Reiichi Matsuba

IPC: H01F27/28 ,  H01F27/29 ,  H01F27/24 ,  H01F41/02 ,  H01F41/064

CPC classification number: H01F27/2823 ,  H01F27/24 ,  H01F27/29 ,  H01F41/0246 ,  H01F41/064

Abstract: A coil component includes a core including a winding core portion, a first flange portion, and a second flange portion, and a plate member that is mounted on the first flange portion and the second flange portion. A distance in a height direction between the plate member and the first flange portion, or a distance in the height direction between the plate member and the second flange portion, or both vary in a length direction, or in a width direction, or both.

公开(公告)号：US11657962B2

公开(公告)日：2023-05-23

申请号：US17483852

申请日：2021-09-24

Applicant: SUMIDA CORPORATION

Inventor： Shinichi Sakamoto ,  Douglas James Malcolm

IPC: H01F27/29 ,  H01F41/064 ,  H01F17/04 ,  H01F27/255 ,  H01F41/02 ,  H01F27/02 ,  H01F27/24 ,  H01F27/28

CPC classification number: H01F41/064 ,  H01F17/04 ,  H01F27/022 ,  H01F27/24 ,  H01F27/255 ,  H01F27/2828 ,  H01F27/29 ,  H01F41/02 ,  H01F41/0246 ,  H01F2017/048 ,  Y10T29/4902 ,  Y10T29/49071

Abstract: An inductor includes an air-core coil assembled with a T-shaped core and a composite magnetic material and resin mixture embedding the T-shaped core and the air-core coil. The air-core coil has: a coil member having a coil axis and first and second sides opposite to each other; and first and second leads that are integrally connected to the coil member. The first and second leads respectively have: first and second bent members at the first side; first and second ends at the second side; and first and second bottom extensions respectively connected between the first and second bent members and the first and second ends. The first and second bent members extend in a first direction parallel to the coil axis, the first and second ends extend in a second direction parallel to the coil axis, and the first and second bottom extensions extend perpendicular to the coil axis.

公开(公告)号：US20220093324A1

公开(公告)日：2022-03-24

申请号：US17425565

申请日：2020-02-14

Applicant: TDK Electronics AG

Inventor： Stephan Bühlmaier ,  Felipe Jerez Galdeano ,  Joachim Nassal ,  Anneliese Drespling ,  Gerhard Proks ,  Herbert Lux

IPC: H01F27/29 ,  H01F27/28 ,  H01F41/064 ,  H01F41/076 ,  H01F27/02 ,  H01F41/00

Abstract: In an embodiment a coil includes a tube comprising a tube wall composed of an electrically conductive material, wherein the tube wall has an inductive portion in which a gap is arranged that shapes the tube wall so the tube wall forms a helix in the inductive portion, and wherein the tube wall has two contact portions, each contact portion forming an electrical terminal.

公开(公告)号：US20210020351A1

公开(公告)日：2021-01-21

申请号：US16924687

申请日：2020-07-09

Applicant: SUMIDA CORPORATION

Inventor： Akira TAKEUCHI

IPC: H01F27/26 ,  H01F27/28 ,  H01F41/02 ,  H01F41/064

Abstract: A pair of iron-based E-shaped cores 101A and 101B is disposed so that middle leg core parts 101A3 and 101B3 abut against each other, and coils 103A and 103B are respectively attached to the middle leg core parts 101A3 and 101B3 in a winding state. Furthermore, when a cross-sectional area of the middle leg core part 101A3 or 101B3 orthogonal to an extending direction thereof is Si, and a cross-sectional area of an outer leg core part 101A1, 101B1, 101A2, or 101B2 orthogonal to an extending direction thereof is So, a conditional expression (1) below holds. 1.0≤Si/So≤5.0  (1)

公开(公告)号：US10811188B2

公开(公告)日：2020-10-20

申请号：US15865291

申请日：2018-01-09

Applicant: Shenzhen Sunlord Electronics Co., Ltd.

Inventor： Shengcheng Xia ,  Youyun Li

IPC: H01F41/076 ,  H01B13/06 ,  H01F41/064 ,  H01F41/02 ,  C03C14/00 ,  H01F41/12 ,  H01B3/08 ,  H01F27/255 ,  B05D3/02 ,  B05D3/12 ,  C03C8/16 ,  H01B7/02 ,  H01F27/28 ,  H01F27/29 ,  H01F41/06

Abstract: A preparation method for a metal matrix composite wire includes the following steps: 1) preparing a metal inner core; 2) preparing a glass-resin mixture; 3) dissolving self-adhesive resin in a solvent to prepare a self-adhesive resin solution; 4) uniformly coating the glass-resin mixture on a surface of the metal inner core, then coating the self-adhesive resin solution on a surface of the glass-resin mixture, and performing drying at a temperature of 80° C. to 150° C.; and 5) repeating the step 4) until a thickness of the glass-resin mixture plus the self-adhesive resin reaches 2 to 10 μm. When an inductor is prepared by using the composite wire, the inductor may have relatively good weather resistance, a relatively good dielectric voltage-withstand capability, as well as relatively good high-temperature resistance and electrical performance.

公开(公告)号：US20200098515A1

公开(公告)日：2020-03-26

申请号：US16698609

申请日：2019-11-27

Applicant: SUMIDA CORPORATION

Inventor： Shinichi SAKAMOTO ,  Douglas James MALCOLM

IPC: H01F41/064 ,  H01F17/04 ,  H01F27/29 ,  H01F27/255 ,  H01F41/02 ,  H01F27/02 ,  H01F27/24 ,  H01F27/28

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 a metal magnetic material and a thermosetting resin into the mold so as to embed the air-core coil in the mixture; after placing the mixture, applying a 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, wherein a viscosity of the mixture is 1,000 to 1,000,000 mPa·s at room temperature.