The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 25, 2023

Filed:

Mar. 12, 2020
Applicant:

Tdk Corporation, Tokyo, JP;

Inventors:

Shinichi Sato, Tokyo, JP;

Takahiro Sato, Tokyo, JP;

Yusuke Nagai, Tokyo, JP;

Mitsuharu Koike, Tokyo, JP;

Kazuhiro Miura, Tokyo, JP;

Seiichi Nakagawa, Tokyo, JP;

Shinichi Kondo, Tokyo, JP;

Takashi Suzuki, Tokyo, JP;

Assignee:

TDK CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 27/28 (2006.01); H01F 17/00 (2006.01); H01F 1/24 (2006.01);
U.S. Cl.
CPC ...
H01F 17/0013 (2013.01); H01F 1/24 (2013.01); H01F 2017/0066 (2013.01);
Abstract

A multilayer coil component includes an element body including a plurality of metal magnetic particles, and a plurality of coil conductors. The plurality of coil conductors is disposed in the element body. The plurality of coil conductors is separated from each other in a predetermined direction and electrically connected to each other. The plurality of coil conductors includes one pair of side surfaces opposing each other in the predetermined direction. Surface roughness of the one pair of side surfaces is less than 40% of an average particle size of the plurality of metal magnetic particles.


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