公开(公告)号：US11783994B2

公开(公告)日：2023-10-10

申请号：US17076142

申请日：2020-10-21

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Yoshimasa Yoshioka ,  Akinori Hamada

IPC: H01F27/32 ,  H01F27/28 ,  H01F27/29 ,  H01F17/04 ,  H01F17/00

CPC classification number: H01F27/324 ,  H01F17/0013 ,  H01F17/04 ,  H01F27/2823 ,  H01F27/292 ,  H01F2017/0066 ,  H01F2017/048

Abstract: An inductor array component includes a substantially flat plate-shaped main body including a magnetic layer having resin and metal magnetic powder contained in the resin, a first inductor wiring and a second inductor wiring disposed on the same plane in the main body and adjacent to each other, and a plurality of first vertical wirings extending in a first direction of a normal direction with respect to the plane so as to penetrate through inside of the main body and being exposed on a side of a first main surface of the main body. Also, the inductor array component includes a plurality of second vertical wirings extending in a second direction of the normal direction with respect to the plane so as to penetrate through the inside of the main body and being exposed on a side of a second main surface of the main body.

公开(公告)号：US11676761B2

公开(公告)日：2023-06-13

申请号：US16155435

申请日：2018-10-09

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Yoshimasa Yoshioka ,  Keisuke Kunimori ,  Akinori Hamada

IPC: H01F17/00 ,  H01F41/04 ,  H01F27/29 ,  H01F17/04 ,  H01F3/10

CPC classification number: H01F41/046 ,  H01F17/0006 ,  H01F17/0013 ,  H01F17/0033 ,  H01F17/04 ,  H01F27/292 ,  H01F2003/106 ,  H01F2017/0066 ,  H01F2017/048

Abstract: An inductor component comprising a spiral wiring wound on a plane; a first magnetic layer and a second magnetic layer located at positions sandwiching the spiral wiring from both sides in a normal direction relative to the plane on which the spiral wiring is wound; a vertical wiring extending from the spiral wiring in the normal direction to pass through the first magnetic layer; and an external terminal disposed on a surface of the first magnetic layer to connect an end surface of the vertical wiring. The first magnetic layer has magnetic permeability lower than that of the second magnetic layer.

公开(公告)号：US10978238B2

公开(公告)日：2021-04-13

申请号：US15586803

申请日：2017-05-04

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Yoshimasa Yoshioka ,  Akinori Hamada ,  Atsuo Hirukawa

IPC: H01F27/28 ,  H01F27/29 ,  H02M1/14 ,  H02M3/155

Abstract: A coil component including 2N coils, N being an integer of two or more, wherein the 2N coils are configured to form N pairs, and wherein when coils other than a first coil and a second coil forming one of the N pairs are defined as the other coils, a magnetic coupling between the first coil and the second coil is stronger than a magnetic coupling between the first coil and each of the other coils.

公开(公告)号：US10515748B2

公开(公告)日：2019-12-24

申请号：US15283736

申请日：2016-10-03

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Yoshimasa Yoshioka ,  Akinori Hamada

IPC: H01F27/24 ,  H01F5/00

Abstract: A coil component has a first surface and a second surface facing each other. The coil component has a coil conductor formed into a spiral shape and having a central axis intersecting with the first surface and the second surface, an insulation resin body covering the coil conductor and including an inner diameter hole part corresponding to the central axis of the coil conductor and a magnetic resin body disposed on the first surface side of the insulation resin body without being disposed on the second surface side of the insulation resin body. The magnetic resin body is also disposed inside the inner diameter hole part of the insulation resin body.

公开(公告)号：US12087502B2

公开(公告)日：2024-09-10

申请号：US18309657

申请日：2023-04-28

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Yoshimasa Yoshioka ,  Keisuke Kunimori ,  Akinori Hamada

IPC: H01F17/00 ,  H01F17/04 ,  H01F27/29 ,  H01F41/04 ,  H01F3/10

CPC classification number: H01F41/046 ,  H01F17/0006 ,  H01F17/0013 ,  H01F17/0033 ,  H01F17/04 ,  H01F27/292 ,  H01F2003/106 ,  H01F2017/0066 ,  H01F2017/048

Abstract: An inductor component comprising a spiral wiring wound on a plane; a first magnetic layer and a second magnetic layer located at positions sandwiching the spiral wiring from both sides in a normal direction relative to the plane on which the spiral wiring is wound; a vertical wiring extending from the spiral wiring in the normal direction to pass through the first magnetic layer; and an external terminal disposed on a surface of the first magnetic layer to connect an end surface of the vertical wiring. The first magnetic layer has magnetic permeability lower than that of the second magnetic layer.

公开(公告)号：US12057258B2

公开(公告)日：2024-08-06

申请号：US18466213

申请日：2023-09-13

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Yoshimasa Yoshioka ,  Akinori Hamada

IPC: H01F27/32 ,  H01F17/00 ,  H01F17/04 ,  H01F27/28 ,  H01F27/29

CPC classification number: H01F27/324 ,  H01F17/0013 ,  H01F17/04 ,  H01F27/2823 ,  H01F27/292 ,  H01F2017/0066 ,  H01F2017/048

Abstract: An inductor array component includes a substantially flat plate-shaped main body including a magnetic layer having resin and metal magnetic powder contained in the resin, a first inductor wiring and a second inductor wiring disposed on the same plane in the main body and adjacent to each other, and a plurality of first vertical wirings extending in a first direction of a normal direction with respect to the plane so as to penetrate through inside of the main body and being exposed on a side of a first main surface of the main body. Also, the inductor array component includes a plurality of second vertical wirings extending in a second direction of the normal direction with respect to the plane so as to penetrate through the inside of the main body and being exposed on a side of a second main surface of the main body.

公开(公告)号：US11610712B2

公开(公告)日：2023-03-21

申请号：US16460842

申请日：2019-07-02

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Yoshinori Taguchi ,  Yoshimasa Yoshioka ,  Akinori Hamada

IPC: H01F17/04 ,  H01F17/00 ,  H01F27/28 ,  H01F27/29 ,  H01F27/25 ,  H01F41/04 ,  H01F27/255

Abstract: An inductor component comprising a magnetic layer containing a magnetic powder and a resin containing the magnetic powder, a first spiral wiring and a second spiral wiring disposed on the same plane in the magnetic layer and adjacent to each other, and an insulating layer disposed between the first spiral wiring and the second spiral wiring and containing no magnetic substance. The first spiral wiring includes a first side surface facing the second spiral wiring, and at least a portion of the first side surface is in contact with the magnetic layer.

公开(公告)号：US11328858B2

公开(公告)日：2022-05-10

申请号：US16991974

申请日：2020-08-12

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Yoshimasa Yoshioka ,  Akinori Hamada

IPC: H05K1/11 ,  H05K1/18 ,  H05K3/30 ,  H01F5/00 ,  H01F5/04 ,  H01F17/00 ,  H01F27/24 ,  H01F27/28 ,  H01F27/32 ,  H01F27/36 ,  H01F27/255 ,  H01F27/29 ,  H01F17/04

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.

公开(公告)号：US10952326B2

公开(公告)日：2021-03-16

申请号：US16860821

申请日：2020-04-28

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Akinori Hamada ,  Yoshimasa Yoshioka ,  Yoshinori Taguchi ,  Ryuichiro Tominaga

IPC: H02M3/00 ,  H05K1/16 ,  H01F27/24 ,  H05K1/18 ,  H01F27/28 ,  H05K3/46 ,  H01F41/04 ,  H02M3/155 ,  H01F17/04 ,  H01F17/00

Abstract: A printed wiring board comprises a sheet-shaped core base material containing a magnetic material, a coil disposed inside the core base material, and an external circuit layer disposed on at least one of first and second surfaces of the core base material opposite to each other.

公开(公告)号：US09984805B2

公开(公告)日：2018-05-29

申请号：US15369073

申请日：2016-12-05

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Hayami Kudo ,  Akinori Hamada ,  Shinji Otani

IPC: H01F5/00 ,  H01F27/28 ,  H01F17/00 ,  H01F17/04 ,  H01F27/29

CPC classification number: H01F17/0013 ,  H01F17/04 ,  H01F27/292 ,  H01F2017/048

Abstract: An inductor component has a plurality of layers of spiral wirings a magnetic composite body directly or indirectly covering the plurality of layers of spiral wirings and made of a composite material of a resin and a metal magnetic powder with an average particle diameter of 5 μm or less an internal electrode embedded in the magnetic composite body with an end surface exposed from an outer surface of the magnetic composite body, the internal electrode being electrically connected to the spiral wirings, and an external terminal disposed on the outer surface of the magnetic composite body and electrically connected to the internal electrode.