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:
Sep. 10, 2024

Filed:

Mar. 30, 2021
Applicant:

Taiyo Yuden Co., Ltd., Tokyo, JP;

Inventors:

Hirotaro Seino, Tokyo, JP;

Takayuki Arai, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/24 (2006.01); H01F 17/00 (2006.01); H01F 17/04 (2006.01); H01F 27/255 (2006.01); H01F 27/29 (2006.01); H01F 27/32 (2006.01);
U.S. Cl.
CPC ...
H01F 27/255 (2013.01); H01F 17/0013 (2013.01); H01F 27/292 (2013.01); H01F 27/324 (2013.01); H01F 2017/0066 (2013.01);
Abstract

A coil component includes: a laminated body containing a plurality of metal magnetic particles; and a coil conductor provided in the laminated body so as to contact with the laminated body and wound around a coil axis, wherein the laminated body has an insulating portion including a non-metal magnetic particle region defined by at least three of the plurality of metal magnetic particles in a sectional surface of the laminated body, and wherein in the insulating portion, an atomic percent of Si is highest among those of materials constituting the non-metal magnetic particle region other than oxygen.


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