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:
Sep. 14, 1999
Filed:
Mar. 26, 1997
Applicant:
Inventor:
Giulio DiGiacomo, Hopewell Junction, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
22818022 ; 228254 ;
Abstract
An enhanced fatigue life solder comprising, by weight, about 1-3% tin, about 1-3% silver and the balance essentially lead is provided. The solder is particularly useful for joining electronic components and in particular for making C-4 interconnections. A method for using the solder to make electronic components and electric components made using the method are also provided.
DiGiacomo, Giulio. (1999). Ternary solder for the enhancement of c-4 fatigue life (U.S. Patent No. 5950907). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5950907
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile