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:
Jun. 24, 2025

Filed:

Mar. 09, 2022
Applicant:

Tdk Corporation, Tokyo, JP;

Inventors:

Junichiro Urabe, Tokyo, JP;

Hajime Kato, Tokyo, JP;

Toshinori Matsuura, Tokyo, JP;

Kazuya Tobita, Tokyo, JP;

Yuto Shiga, Tokyo, JP;

Yuichi Takubo, Tokyo, JP;

Youichi Kazuta, Tokyo, JP;

Noriaki Hamachi, Tokyo, JP;

Assignee:

TDK CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/29 (2006.01); H01F 17/04 (2006.01); H01F 27/28 (2006.01); H01F 41/10 (2006.01);
U.S. Cl.
CPC ...
H01F 27/292 (2013.01); H01F 17/045 (2013.01); H01F 27/2823 (2013.01); H01F 41/10 (2013.01); H01F 2017/048 (2013.01);
Abstract

A coil component includes an exterior body, a coil, and a pair of terminal electrodes. The coil is disposed inside the exterior body. The pair of terminal electrodes are electrically connected to the coil and are disposed on the exterior body. The exterior body includes a first portion that covers the coil and is made of a resin, and a second portion including a side surface on which the pair of terminal electrodes are disposed. The second portion includes a material having a relative permittivity lower than a relative permittivity of the resin and is disposed between the coil and the pair of terminal electrodes.


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