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:
Apr. 26, 2022

Filed:

Dec. 09, 2020
Applicant:

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

Inventors:

Kiyoshiro Yatagawa, Tokyo, JP;

Satoshi Kobayashi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 4/224 (2006.01); H01G 4/008 (2006.01); H01G 4/30 (2006.01); H01G 4/012 (2006.01); H01G 4/12 (2006.01);
U.S. Cl.
CPC ...
H01G 4/224 (2013.01); H01G 4/008 (2013.01); H01G 4/012 (2013.01); H01G 4/30 (2013.01); H01G 4/12 (2013.01);
Abstract

A ceramic electronic device includes a multilayer chip in which each of a plurality of dielectric layers and each of a plurality of internal electrode layers are alternately stacked, the plurality of internal electrode layers being exposed to at least one of a first end face and a second end face of the multilayer chip, the first end face being opposite to the second end face, external electrodes respectively provided on the first end face and the second end face, and a water repellent agent that is provided on at least one face of four faces of a rectangular parallelepiped shape of the multilayer chip other than the first and second end faces, is spaced from the first and second external electrodes, and extends in a direction intersecting with a direction in which the external electrodes face with each other.


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