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:
Oct. 25, 2022

Filed:

Mar. 05, 2021
Applicant:

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

Inventors:

Ryosuke Hoshino, Takasaki, JP;

Satoshi Kobayashi, Takasaki, JP;

Yasuaki Uchida, Takasaki, JP;

Satsuki Fujii, Takasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 4/30 (2006.01); H05K 1/18 (2006.01); H05K 1/11 (2006.01); H01G 4/012 (2006.01); H01G 4/12 (2006.01); H01G 4/228 (2006.01);
U.S. Cl.
CPC ...
H01G 4/30 (2013.01); H01G 4/012 (2013.01); H01G 4/12 (2013.01); H01G 4/228 (2013.01); H05K 1/111 (2013.01); H05K 1/181 (2013.01); H05K 2201/10015 (2013.01);
Abstract

A ceramic electronic component includes: a ceramic body including a pair of end surfaces, and a side surface connecting the pair of end surfaces and including a pair of end regions adjacent to the pair of end surfaces and an intermediate region located between the pair of end regions; and a pair of external electrodes including a pair of base layers that cover the pair of end surfaces and the pair of end regions of the side surface and include outer surfaces, a difference of a surface roughness Ra of the outer surfaces with respect to the intermediate region of the side surface being 40 nm or less, and a pair of plating layers covering the outer surfaces of the pair of base layers and including a pair of extending portions extending from the outer surfaces of the pair of base layers to the intermediate region of the side surface.


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