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, 1994
Filed:
Sep. 17, 1991
Claudius Feger, Hopewell Junction, NY (US);
Teresita O Graham, Irvington, NY (US);
Kurt R Grebe, Beacon, NY (US);
Alphonso P Lanzetta, Marlboro, NY (US);
John J Liutkus, Yorktown Heights, NY (US);
Linda C Matthew, Peekskill, NY (US);
Michael J Palmer, Walden, NY (US);
Nelson R Tanner, Harpursville, NY (US);
Ho-Ming Tong, Yorktown Heights, NY (US);
Charles H Wilson, Beckley, WV (US);
Helen L Yeh, Katonah, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
The present invention relates to an improved flex (or TAB) product suitable for silicon carrier or other types of chip carrier applications, wherein the flex reliability problems caused for example by Cu thermal cycling are substantially reduced or eliminated. More particularly, the invention embodies a number of coatings for use in such products and diverse methods of making and using same.