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:
May. 31, 1988
Filed:
Mar. 17, 1986
Applicant:
Inventor:
Tetsuo Akoh, Chiba, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25D / ; C25D / ;
U.S. Cl.
CPC ...
428433 ; 204 371 ; 204 384 ; 427123 ; 427124 ; 4273835 ; 428469 ;
Abstract
A copper electrode is firmly bonded to a sintered ceramic oxide body by applying a first copper film on a ceramic oxide body by electroless plating or vapor phase plating such as evaporation or sputtering, forming a second copper film thereon by electrolytic plating, and heat treating the copper films on the body at a temperature of 750.degree. to 1065.degree. C. in a weakly oxidizing atmosphere.