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. 06, 2025

Filed:

Oct. 18, 2021
Applicant:

Tdk Corporation, Tokyo, JP;

Inventors:

Nobuyuki Okuzawa, Tokyo, JP;

Kazuhiko Ito, Tokyo, JP;

Munehiro Takaku, Tokyo, JP;

Junichiro Urabe, Tokyo, JP;

Assignee:

TDK CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/28 (2005.12); H01F 5/00 (2005.12); H01F 17/00 (2005.12); H01F 17/02 (2005.12); H01F 27/29 (2005.12); H01F 27/32 (2005.12); H01F 41/12 (2005.12);
U.S. Cl.
CPC ...
H01F 27/2823 (2012.12); H01F 5/003 (2012.12); H01F 17/0006 (2012.12); H01F 17/02 (2012.12); H01F 27/292 (2012.12); H01F 27/327 (2012.12); H01F 41/127 (2012.12); H01F 2017/004 (2012.12);
Abstract

Disclosed herein is a coil component that includes a coil pattern embedded in an element body and helically wound in a plurality of turns. The element body includes a support body having a cavity formed therein and a first insulating layer stacked on the support body so as to cover the cavity, thereby forming a hollow space inside the element body. The coil pattern includes a plurality of first sections formed along an inner wall of the cavity and a plurality of second sections formed on the first insulating layer. One ends of the plurality of first sections are connected respectively to their corresponding one ends of the plurality of second sections. The other ends of the plurality of first sections are connected respectively to their corresponding other ends of the plurality of second sections.


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