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:
May. 26, 2026

Filed:

Sep. 07, 2021
Applicant:

Tdk Corporation, Tokyo, JP;

Inventors:

Masanori Suzuki, Tokyo, JP;

Nobuya Takahashi, Tokyo, JP;

Akira Motohashi, Tokyo, JP;

Naoaki Fujii, Tokyo, JP;

Masaki Yoneyama, Tokyo, JP;

Tomonaga Nishikawa, Tokyo, JP;

Assignee:

TDK Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/32 (2006.01); H01F 17/00 (2006.01); H01F 41/04 (2006.01); H01F 41/12 (2006.01);
U.S. Cl.
CPC ...
H01F 27/323 (2013.01); H01F 17/0013 (2013.01); H01F 41/041 (2013.01); H01F 41/122 (2013.01); H01F 2017/0073 (2013.01);
Abstract

A coil component includes a coil part having a structure in which interlayer insulating filmstoand coil patterns CPto CPare alternately stacked in the coil axis direction and magnetic element bodies Mto Membedding therein the coil part. A radial width of a part of the interlayer insulating film that is positioned between the magnetic element body Mpositioned in the inner diameter area of the coil part and the innermost turn of the coil pattern CPis larger than radial widths L, L, and Lof parts of the interlayer insulating filmstothat are positioned between the magnetic element body Mand the innermost turns of the coil patterns CPto CP


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