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

IPC: H01F5/04 ,  H01F5/06 ,  H01F27/29 ,  H01F27/32 ,  H01F1/20

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.

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.

公开(公告)号：US20230125854A1

公开(公告)日：2023-04-27

申请号：US17970182

申请日：2022-10-20

Applicant: TDK CORPORATION

Inventor： Yusuke NAGAI ,  Kazuhiro EBINA ,  Takahiro SATO ,  Kunihiko KAWASAKI ,  Shinichi SATO ,  Seiichi NAKAGAWA ,  Kouichi KAKUDA ,  Mitsuharu KOIKE ,  Keito YASUDA ,  Takato SASAKI

IPC: H01F5/04 ,  H01F1/14

Abstract: A stacked coil component includes: an element body, a coil disposed inside the element body; and a first outer electrode and a second outer electrode which are disposed in the element body. Each of the first outer electrode and the second outer electrode includes an electrode portion which includes a joining surface joined to the element body, and a plating surface opposite to the joining surface and is formed by plating, and of which at least a part is embedded in the element body.