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. 16, 1993
Filed:
Apr. 09, 1992
Applicant:
Inventors:
Kingshuk Banerji, Plantation, FL (US);
Kenneth R Thompson, Sunrise, FL (US);
Francisco D Alves, Boca Raton, FL (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
257712 ; 257729 ; 257783 ;
Abstract
Epoxy bonding between an IC chip and a chip carrier is strengthened by creating substantially rougher oxidized surfaces within substantially smooth gold surfaces of a die paddle portion of the chip carrier.