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. 05, 1985
Filed:
Feb. 08, 1983
Applicant:
Inventors:
Hideo Arakawa, Hitachi, JP;
Keiichi Kuniya, Hitachi, JP;
Akio Chiba, Hitachi, JP;
Seiki Shimizu, Hitachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32L / ;
U.S. Cl.
CPC ...
428620 ; 228101 ; 428621 ;
Abstract
A ceramic substrate with metal plate, wherein a metal plate consisting mainly of copper is bonded to a ceramic substrate through a brazing layer consisting of a mixture of copper oxide and copper.
Arakawa, Hideo. (1985). Ceramic substrate with metal plate (U.S. Patent No. 4497875). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4497875
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile