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. 01, 2011
Filed:
Aug. 26, 2010
Applicants:
Sri M. Sri-jayantha, Ossining, NY (US);
Lorenzo Valdevit, Ithaca, NY (US);
Inventors:
Sri M. Sri-Jayantha, Ossining, NY (US);
Lorenzo Valdevit, Ithaca, NY (US);
Assignee:
International Business Machines Coporation, Armonk, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 31/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An arrangement for the equipping of electronic packages with elliptical C4 connects possessing optimal orientation for enhanced reliability. Furthermore, disclosed is a method providing elliptical C4 connects which possesses optimal orientation for enhanced reliability, as implemented in connection with their installation in electronic packages. Employed are essentially elliptical solder pads or elliptical C4 pad configurations at various preferably corner locations on a semiconductor chip.