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:
Feb. 27, 2024
Filed:
Jul. 06, 2022
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Toshihiro Iguchi, Tokyo, JP;
Norihisa Ando, Tokyo, JP;
Kenya Tamaki, Tokyo, JP;
Hisashi Kobayashi, Tokyo, JP;
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 4/232 (2006.01); H01G 4/30 (2006.01); H01G 4/12 (2006.01);
U.S. Cl.
CPC ...
H01G 4/2325 (2013.01); H01G 4/1227 (2013.01); H01G 4/30 (2013.01);
Abstract
A ceramic electronic device comprises an element body including a ceramic layer and an internal electrode layer, and an external electrode electrically connected to at least one end of the internal electrode layer. The element body includes an interface part at least at a part of a boundary between the external electrode and the ceramic layer. The interface part includes an oxide containing aluminium and an oxide containing boron.