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:
Aug. 05, 2025
Filed:
Mar. 24, 2020
Applicant:
Kyocera Corporation, Kyoto, JP;
Inventors:
Yuichi Abe, Satsumasendai, JP;
Takeshi Muneishi, Kusatsu, JP;
Assignee:
KYOCERA Corporation, Kyoto, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/14 (2006.01); H01L 23/15 (2006.01); H01L 23/373 (2006.01);
U.S. Cl.
CPC ...
H01L 23/142 (2013.01); H01L 23/15 (2013.01); H01L 23/3731 (2013.01);
Abstract
A circuit base of the present disclosure includes a base made of ceramic, a joint layer located on the base, and a metal layer located on the joint layer. The metal layer contains copper. The joint layer contains aluminum, silicon, and oxygen.