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:
Jul. 16, 2024

Filed:

Jun. 27, 2022
Applicant:

Murata Manufacturing Co., Ltd., Nagaokakyo, JP;

Inventors:

Kazuhisa Uchida, Nagaokakyo, JP;

Yukie Watanabe, Nagaokakyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 4/232 (2006.01); H01G 4/30 (2006.01);
U.S. Cl.
CPC ...
H01G 4/232 (2013.01); H01G 4/2325 (2013.01); H01G 4/30 (2013.01);
Abstract

A multilayer ceramic capacitor includes a multilayer body including dielectric ceramic layers and internal electrode layers laminated alternately in a lamination direction, and a pair of external electrodes on both end portions in the length direction of the multilayer body and respectively connected to the internal electrode layers. The pair of external electrodes each include a base region covering at least each of the first and second end surfaces, connected to the internal electrode layers, and including Cu as a main component, a cover region on the base region to cover the base region, and including Ag as a main component, and a reaction region between the base region and the cover region including Cu included in the base region and Ag included in the cover region reacting with each other.


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