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:
Mar. 04, 1980
Filed:
Oct. 26, 1978
Applicant:
Inventors:
William E Buescher, Seneca Falls, NY (US);
Frederick J Roberto, Emporium, PA (US);
Isabelle M Sobierajski, St. Marys, PA (US);
Assignee:
GTE Sylvania Incorporated, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ; B23K / ;
U.S. Cl.
CPC ...
106-112 ; 106-125 ; 1061 / ; 1061 / ; 148 24 ; 148 28 ;
Abstract
A composition for a brazing slurry which will form solid connections below 1600.degree. C. The composition comprises, by weight, about 21% to 22% fine particle tungsten; about 7% to 8% calcium oxide; about 5% to 6% silicon dioxide; about 5% to 6% titanium dioxide; about 3% to 4% aluminum oxide; and about 55.5 % to 57.5 % of an organic binder. The composition is well suited to attaching leads to metallized patterns formed on ceramic substrate and can also be employed as the pattern forming material.