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:
Nov. 18, 1980
Filed:
Mar. 23, 1979
Applicant:
Inventors:
Lester W Herron, Hopewell Junction, NY (US);
Raj N Master, Wappingers Falls, NY (US);
Rao R Tummala, Wappingers Falls, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; C03B / ; C04B / ;
U.S. Cl.
CPC ...
156 89 ; 264 58 ; 264 61 ; 264 62 ; 264 65 ; 264 66 ; 427 96 ;
Abstract
The formation of sintered glass-ceramic substrates containing multi-level, interconnected thick-film circuit patterns of copper-based conductors obtained by firing in a controlled ambient of hydrogen and H.sub.2 O at temperatures below the melting point of copper.