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:
Dec. 25, 1990
Filed:
Jul. 07, 1989
Applicant:
Inventors:
Willi Malikowski, Aschaffenburg, DE;
Wolfgang Weise, Frankfurt am Main, DE;
Assignee:
Degussa Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; C22C / ;
U.S. Cl.
CPC ...
428621 ; 428673 ; 428457 ; 420501 ;
Abstract
Solders for directly soldering together ceramic parts consisting essentially of 70 to 99% silver, 0.5 to 15% by weight indium or 0.5 to 10% by weight tin and 0.5 to 15% by weight titanium or zirconium, or mixtures thereof. These solders are very ductile, are workable at comparatively low temperatures and provide very firm bonding.