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公开(公告)号：US12230428B2
公开(公告)日：2025-02-18
申请号：US17747696
申请日：2022-05-18
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yoshimasa Yoshioka , Ryuichiro Tominaga , Akinori Hamada
Abstract: An inductor component comprising a spiral wiring wound on a plane; first and second magnetic layers 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 to penetrate at least the inside of the first magnetic layer; and an external terminal disposed on at least a surface of the first magnetic layer to cover an end surface of the vertical wiring. The first magnetic layer is larger than the second magnetic layer in terms of the area of the external terminal viewed in the normal direction, and when A is the thickness of the first magnetic layer and B is the thickness of the second magnetic layer, A/((A+B)/2) is from 0.6 to 1.6.
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公开(公告)号：US11876449B2
公开(公告)日：2024-01-16
申请号：US16894701
申请日：2020-06-05
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Akinori Hamada , Yoshimasa Yoshioka , Hayami Kudo , Shinji Yasuda
IPC: H01F17/00 , H02M3/158 , G06F1/16 , G06F1/3296 , H01F1/03 , H01F27/255 , H01F27/28 , H01F27/29 , H01F27/32 , H02M3/155
CPC classification number: H02M3/158 , G06F1/1635 , G06F1/3296 , H01F1/0306 , H01F17/0013 , H01F27/255 , H01F27/2823 , H01F27/29 , H01F27/32 , H01F2017/0066 , H02M3/155
Abstract: An inductor component includes a composite body that includes a plurality of composite layers each including a composite material of an inorganic filler and a resin; and a plurality of spiral wires that each are stacked on the composite layer, the spiral wires each being covered with the other composite layer. The average particle diameter of the inorganic filler is equal to or smaller than 5 μm, the wire pitch of the spiral wires is equal to or smaller than 10 μm, and the interlayer pitch between adjacent spiral wires is equal to or smaller than 10 μm.
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公开(公告)号：US11842842B2
公开(公告)日：2023-12-12
申请号：US17174276
申请日：2021-02-11
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yoshimasa Yoshioka , Hiroki Imaeda , Shinji Otani
IPC: H01F27/28 , H01F27/255 , H01F41/04 , H01F41/02 , H01F27/29
CPC classification number: H01F27/2804 , H01F27/255 , H01F27/29 , H01F41/0206 , H01F41/043 , H01F2027/2809
Abstract: An inductor component including a magnetic layer in which a magnetic metal powder is dispersedly present in a base material made of an insulation material and an inductor wiring line laminated on a surface of the magnetic layer. The inductor wiring line includes an anchor portion extending from a main face of the inductor wiring line on a side of the magnetic layer and covering a surface of the magnetic metal powder in the magnetic layer.
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公开(公告)号：US11810706B2
公开(公告)日：2023-11-07
申请号：US16830170
申请日：2020-03-25
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Namiko Sasajima , Hiroki Imaeda , Masami Okado , Shinji Otani , Tomohiro Sunaga , Yoshimasa Yoshioka
IPC: H01F27/06 , H01F27/255 , H01F27/29
CPC classification number: H01F27/06 , H01F27/255 , H01F27/29
Abstract: An inductor component includes a base, an inductor device disposed in the base, and an external terminal serving as a line that is disposed on the base and that is electrically coupled to the inductor device. The external terminal includes a first metal film that is in contact with the base and that is electrically conductive, a second metal film disposed on a side of the first metal film opposite to the base, the second metal film having resistance to solder leaching, and a catalytic layer disposed between the first metal film and the second metal film. The first metal film includes a pore portion adjacent to the catalytic layer.
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公开(公告)号：US11798723B2
公开(公告)日：2023-10-24
申请号：US16830178
申请日：2020-03-25
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Namiko Sasajima , Hiroki Imaeda , Masami Okado , Shinji Otani , Tomohiro Sunaga , Yoshimasa Yoshioka
IPC: H01F27/29 , H01F27/06 , H01F41/04 , H01F27/255
CPC classification number: H01F27/06 , H01F27/255 , H01F27/29 , H01F41/04
Abstract: A multilayer metal film disposed on a base having insulating properties includes a first metal film that is in contact with the base and that is electrically conductive, a second metal film covering the first metal film from a side of the first metal film opposite to the base, the second metal film having resistance to solder leaching, and a catalytic layer disposed between the first metal film and the second metal film, the catalytic layer having a protruding portion protruding toward the second metal film, the protruding portion extending into the second metal film.
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Patent Agency Ranking
公开(公告)号：US11791085B2
公开(公告)日：2023-10-17
申请号：US16503298
申请日：2019-07-03
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yoshimasa Yoshioka , Mizuho Katsuta , Kouji Yamauchi , Ryo Kudou , Naoya Noo
IPC: H01F27/28 , H01F27/255 , H01F41/04 , H01F41/12 , H01F27/32
CPC classification number: H01F27/2804 , H01F27/255 , H01F27/323 , H01F41/041 , H01F41/122 , H01F2027/2809
Abstract: An inductor component comprising a first magnetic layer and a second magnetic layer containing a resin, a substrate of a sintered body having a first principal surface in close contact with the first magnetic layer and a second principal surface above which the second magnetic layer is disposed, and a spiral wiring disposed between the second magnetic layer and the substrate.
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公开(公告)号：US11776735B2
公开(公告)日：2023-10-03
申请号：US17389740
申请日：2021-07-30
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yoshimasa Yoshioka
CPC classification number: H01F27/2823 , H01F27/24 , H01F41/04 , H02M3/155
Abstract: An inductor component includes an air core coil in which an air core inductor wire is provided in an air core body containing a non-magnetic material, and a magnetic core coil in which a magnetic core inductor wire is provided in a magnetic core body containing a magnetic material. The air core body and the magnetic core body are combined or integrated. A magnetic material content in a peripheral region around the air core inductor wire is lower than 50%. The magnetic material content in a peripheral region around the magnetic core inductor wire is higher than or equal to 50%.
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公开(公告)号：US11367552B2
公开(公告)日：2022-06-21
申请号：US16040029
申请日：2018-07-19
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yoshimasa Yoshioka , Ryuichiro Tominaga , Akinori Hamada
Abstract: An inductor component comprising a spiral wiring wound on a plane; first and second magnetic layers 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 to penetrate at least the inside of the first magnetic layer; and an external terminal disposed on at least a surface of the first magnetic layer to cover an end surface of the vertical wiring. The first magnetic layer is larger than the second magnetic layer in terms of the area of the external terminal viewed in the normal direction, and when A is the thickness of the first magnetic layer and B is the thickness of the second magnetic layer, A/((A+B)/2) is from 0.6 to 1.6.
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公开(公告)号：US10715041B2
公开(公告)日：2020-07-14
申请号：US15278198
申请日：2016-09-28
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Akinori Hamada , Yoshimasa Yoshioka , Hayami Kudo , Shinji Yasuda
IPC: H01F17/00 , H02M3/158 , G06F1/16 , G06F1/3296 , H01F1/03 , H01F27/255 , H01F27/28 , H01F27/29 , H01F27/32 , H02M3/155
Abstract: An inductor component includes a composite body that includes a plurality of composite layers each including a composite material of an inorganic filler and a resin; and a plurality of spiral wires that each are stacked on the composite layer, the spiral wires each being covered with the other composite layer. The average particle diameter of the inorganic filler is equal to or smaller than 5 μm, the wire pitch of the spiral wires is equal to or smaller than 10 μm, and the interlayer pitch between adjacent spiral wires is equal to or smaller than 10 μm.
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公开(公告)号：US10039190B2
公开(公告)日：2018-07-31
申请号：US15195134
申请日：2016-06-28
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yoshimasa Yoshioka , Kenji Nishiyama , Daisuke Takagi
CPC classification number: H05K1/18 , G07D7/164 , H01F3/08 , H01F5/003 , H01F27/292 , H05K2201/1003
Abstract: A coil component includes a mounting surface that is a side mounted on a mounting board and a detecting surface that is a side generating a magnetic field to detect a distance from a detected conductor. The coil component has a coil conductor formed into a spiral shape, and a magnetic resin disposed on the mounting surface side of the coil conductor without being disposed on the detecting surface side of the coil conductor.
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