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公开(公告)号：US20230230756A1
公开(公告)日：2023-07-20
申请号：US18153659
申请日：2023-01-12
Applicant: TDK CORPORATION
Inventor： Nobuyuki OKUZAWA , Munehiro TAKAKU , Kazuya TOBITA , Teruhiro MITSUYASU
CPC classification number: H01F27/292 , H01F27/2804 , H01F27/24 , H01F2027/2809
Abstract: A laminated coil component includes an element body, a first terminal electrode and a second terminal electrode, and a coil, the coil includes a plurality of first wiring portions disposed on a main surface side and disposed side by side in a third direction, a plurality of second wiring portions disposed on a mounting surface side and disposed side by side in the third direction, and a plurality of first pillar portions and second pillar portions that extend in a second direction and connect the first wiring portion with the second wiring portion which correspond to each other, and a width of the second wiring portion in the third direction is smaller than a width of the first wiring portion in the third direction.
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公开(公告)号：US20250111977A1
公开(公告)日：2025-04-03
申请号：US18775370
申请日：2024-07-17
Applicant: TDK Corporation
Inventor： Nobuyuki OKUZAWA , Munehiro Takaku
Abstract: A coil component includes an element body, a first terminal electrode, a second terminal electrode, a first conductor disposed at a position closer to a principal surface in the element body and electrically connected to the first terminal electrode and the second terminal electrode, and a second conductor disposed at a position closer to a principal surface in the element body and electrically connected to the first terminal electrode and the second terminal electrode. The element body is formed of a material having light permeability, and an identification portion formed of a material different from a material of the first conductor is provided on a first surface facing the principal surface in the first conductor.
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公开(公告)号：US20230230757A1
公开(公告)日：2023-07-20
申请号：US18153690
申请日：2023-01-12
Applicant: TDK CORPORATION
Inventor： Nobuyuki OKUZAWA , Munehiro TAKAKU , Kazuya TOBITA , Teruhiro MITSUYASU
CPC classification number: H01F27/292 , H01F27/2804 , H01F2027/2809
Abstract: A laminated coil component includes an element body, a first terminal electrode and a second terminal electrode, and a coil, the coil includes a first wiring portion, a second wiring portion, and a pillar portion, the pillar portion has a first pillar member and a second pillar member alternately laminated in a second direction, and an area of a first surface and an area of a second surface of the first pillar member are larger than an area of a first surface and an area of a second surface of the second pillar member, or smaller than the area of the first surface and the area of the second surface of the second pillar member.
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公开(公告)号：US20240312695A1
公开(公告)日：2024-09-19
申请号：US18429973
申请日：2024-02-01
Applicant: TDK Corporation
Inventor： Nobuyuki OKUZAWA , Yuichi TAKUBO , Ryuji HASHIMOTO , Yuta TAKAHASHI , Hiroki HOSAKA
CPC classification number: H01F27/292 , H01F17/0013
Abstract: An electronic component includes: an element body having a main surface as a mounting surface; and a pair of external electrodes including an electrode layer embedded inside an opening of the element body and a plating layer formed on the electrode layer, in a first direction perpendicular to the main surface, a main surface of the electrode layer is disposed deeper inside the element body than a virtual plane obtained by virtually extending the main surface in the opening, and the plating layer is formed on the main surface of the electrode layer and covers the electrode layer so as to extend from the virtual plane to a main surface of the element body.
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公开(公告)号：US20220130601A1
公开(公告)日：2022-04-28
申请号：US17504315
申请日：2021-10-18
Applicant: TDK Corporation
Inventor： Nobuyuki OKUZAWA , Kazuhiko ITO , Munehiro TAKAKU , Junichiro URABE
Abstract: Disclosed herein is a coil component that includes a resin body having a first resin-based insulating material and a second resin-based insulating material lower in relative permittivity than the first resin-based insulating material, a coil pattern embedded in the resin body and helically wound in a plurality of turns, and first and second terminal electrodes formed on a surface of the resin body and connected respectively to one and other ends of the coil pattern. The coil pattern has a part covered with the first resin-based insulating material and another part covered with the second resin-based insulating material.
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Patent Agency Ranking
公开(公告)号：US20220130595A1
公开(公告)日：2022-04-28
申请号：US17504330
申请日：2021-10-18
Applicant: TDK Corporation
Inventor： Nobuyuki OKUZAWA , Kazuhiko ITO , Munehiro TAKAKU , Junichiro URABE
Abstract: Disclosed herein is a coil component that includes a coil pattern embedded in an element body and helically wound in a plurality of turns. The element body includes a support body having a cavity formed therein and a first insulating layer stacked on the support body so as to cover the cavity, thereby forming a hollow space inside the element body. The coil pattern includes a plurality of first sections formed along an inner wall of the cavity and a plurality of second sections formed on the first insulating layer. One ends of the plurality of first sections are connected respectively to their corresponding one ends of the plurality of second sections. The other ends of the plurality of first sections are connected respectively to their corresponding other ends of the plurality of second sections.
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公开(公告)号：US20240312696A1
公开(公告)日：2024-09-19
申请号：US18429997
申请日：2024-02-01
Applicant: TDK Corporation
Inventor： Nobuyuki OKUZAWA , Yuichi TAKUBO , Ryuji HASHIMOTO , Yuta TAKAHASHI , Hiroki HOSAKA
CPC classification number: H01F27/292 , H01F27/2804 , H01F2027/2809
Abstract: An electronic component includes: an element body having a main surface as a mounting surface; a coil portion having a coil pattern formed by a plurality of coil conductors in the element body; and a pair of external electrodes formed on the main surface of the element body and electrically connected to the coil portion, the external electrode includes a first electrode layer exposed from the main surface of the element body and a second electrode layer embedded in the element body, the first electrode layer includes a first region overlapping the second electrode layer and a second region not overlapping the second electrode layer when viewed from a first direction perpendicular to the main surface, the second region overlaps the coil conductor when viewed from the first direction, and the second electrode layer has an extended portion protruding from an outer edge of the first electrode layer.
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公开(公告)号：US20240153696A1
公开(公告)日：2024-05-09
申请号：US18499509
申请日：2023-11-01
Applicant: TDK CORPORATION
Inventor： Takuya TAKEUCHI , Nobuyuki OKUZAWA , Nobuya TAKAHASHI
CPC classification number: H01F27/292 , H01F27/324 , H01F41/041
Abstract: A coil component includes an element body, a pair of terminal electrodes, and a coil. The coil includes a first wiring portion, a second wiring portion, and a connection portion. A plurality of insulating layers includes a first insulating layer constituting a principal surface, the first insulating layer including the principal surface and a facing surface facing the principal surface, the first wiring portion being disposed along the facing surface, a second insulating layer constituting a mounting surface, and one or a plurality of third insulating layers disposed between the first insulating layer and the second insulating layer. A surface roughness of the facing surface of the first insulating layer is smaller than a surface roughness of each of surfaces of the second insulating layer and the third insulating layer.
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9.发明公开公开(公告)号：US20230307163A1
公开(公告)日：2023-09-28
申请号：US18166071
申请日：2023-02-08
Applicant: TDK Corporation
Inventor： Munehiro TAKAKU , Nobuyuki OKUZAWA , Kazuya TOBITA , Teruhiro MITSUYASU
CPC classification number: H01F5/04 , H01F27/292 , H01F27/2804 , H01F41/10
Abstract: A multilayer coil component 1 includes an element body, a first terminal electrode, a second terminal electrode, a coil, a first connecting conductor, and a second connecting conductor, the coil includes first wiring portions, second wiring portions, and pillar portions, and lengths of the pillar portions in a first direction are longer than lengths of the pillar portions in a third direction.
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公开(公告)号：US20220130596A1
公开(公告)日：2022-04-28
申请号：US17504344
申请日：2021-10-18
Applicant: TDK Corporation
Inventor： Nobuyuki OKUZAWA , Kazuhiko ITO , Munehiro TAKAKU , Junichiro URABE
Abstract: Disclosed herein is a coil component that includes a coil pattern embedded in a resin body. The resin body includes a winding core area surrounded by the coil pattern and having a first surface and a substantially flat second surface different in the circumferential direction position from the first surface, and a first surrounding area covering the first surface of the winding core area. The coil pattern includes first sections extending along the first surface of the winding core area and second sections extending along the second surface of the winding core area. One ends of the first sections are connected respectively to their corresponding one ends of the second sections. The other ends of the first sections are connected respectively to their corresponding other ends of the second sections.
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