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公开(公告)号：US20230230742A1
公开(公告)日：2023-07-20
申请号：US18085983
申请日：2022-12-21
Applicant: TDK CORPORATION
Inventor： Yusuke NAGAI , Kazuhiro EBINA , Kunihiko KAWASAKI , Shinichi KONDO , Yuya ISHIMA , Shinichi SATO , Seiichi NAKAGAWA , Kosuke ITO , Keito YASUDA , Youhei IIDA
CPC classification number: H01F17/0013 , H01F27/292 , H01F27/022 , H01F1/36
Abstract: A multilayer coil component includes an element body including an end surface, a coil disposed in the element body, and an external electrode disposed on an end portion of the element body and connected to the coil. The external electrode includes a conductive resin layer. The conductive resin layer includes resin and a plurality of metal particles and is in contact with the end surface. The conductive resin layer includes a metal particle group. The metal particle group consists a plurality of first metal particles included in the plurality of metal particles, and the plurality of first metal particles is adjacent to the end surface and separated from the end surface.
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公开(公告)号：US20230223183A1
公开(公告)日：2023-07-13
申请号：US18082689
申请日：2022-12-16
Applicant: TDK CORPORATION
Inventor： Yusuke NAGAI , Kazuhiro EBINA , Kunihiko KAWASAKI , Shinichi KONDO , Shinichi SATO , Seiichi NAKAGAWA , Mitsuharu KOIKE , Takato SASAKI , Youhei IIDA
IPC: H01F27/29 , H01F27/255 , H01F27/28
CPC classification number: H01F27/29 , H01F27/255 , H01F27/2804 , H01F2027/2809
Abstract: The coil component includes an element body, a coil, a first electrode part and a second electrode part. The element body includes a main surface to be used as a mounting surface. The coil is disposed in the element body. The first electrode part and the second electrode part are spaced apart from each other in a first direction, embedded in the element body in such a way as to be exposed from the main surface, and electrically connected to the coil. The first electrode part includes a first surface exposed from the main surface and a protrusion disposed in the element body in such a way as to be spaced apart from the main surface. The protrusion protrudes more toward the second electrode part than the first surface in the first direction.
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公开(公告)号：US20240331910A1
公开(公告)日：2024-10-03
申请号：US18404044
申请日：2024-01-04
Applicant: TDK CORPORATION
Inventor： Keito YASUDA , Yusuke Nagai , Makoto Yoshino , Shinichi Sato , Yuya Ishima , Youhei IIDA , Mitsuharu Koike , Takato Sasaki
CPC classification number: H01F17/0013 , H01F27/25
Abstract: A coil component includes an element body having a mounting surface, and a terminal electrode disposed on the mounting surface, in which at least a part of the terminal electrode is embedded in the element body, the terminal electrode has an opening penetrating the terminal electrode in a direction orthogonal to the mounting surface, and a part of the element body is disposed in the opening.
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公开(公告)号：US20230230738A1
公开(公告)日：2023-07-20
申请号：US18097556
申请日：2023-01-17
Applicant: TDK Corporation
Inventor： Yusuke NAGAI , Kazuhiro EBINA , Kunihiko KAWASAKI , Shinichi KONDO , Shinichi SATO , Seiichi NAKAGAWA , Mitsuharu KOIKE , Takato SASAKI , Youhei IIDA
CPC classification number: H01F5/04 , H01F5/06 , H01F27/292 , H01F27/323 , H01F1/20
Abstract: A coil component includes an element body, a coil and a first electrode part. The element body includes a main surface which is used as a mounting surface. The coil is disposed in the element body. The first electrode part is embedded in the element body and electrically connected to the coil. The first electrode part includes a first surface exposed from the main surface and a second surface opposing the first surface. An area of the first surface is larger than an area of the second surface when viewed from a direction orthogonal to the first surface.
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