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.
Patent No.:
Date of Patent:
Jul. 18, 2023
Filed:
Jun. 25, 2021
Taiyo Yuden Co., Ltd., Tokyo, JP;
Tomoaki Nakamura, Takasaki, JP;
Mikio Tahara, Takasaki, JP;
Masako Kanou, Takasaki, JP;
Fusao Sato, Takasaki, JP;
TAIYO YUDEN CO., LTD., Tokyo, JP;
Abstract
A multilayer ceramic capacitor includes: a multilayer chip in which dielectric layers mainly composed of ceramic and internal electrode layers are alternately stacked so that the internal electrode layers are alternately exposed to two end faces of the multilayer chip having a substantially rectangular parallelepiped shape; and a pair of external electrodes formed from the two end faces to at least one side face of side faces, wherein each external electrode includes a metal layer formed from the end face to the at least one side face and mainly composed of copper, and an oxide layer covering at least a part of the metal layer, mainly composed of copper oxide, and having a maximum thickness of 0.5 μm or greater, wherein a first surface, which is in contact with the plated layer, of the oxide layer has Cu particles formed thereon.