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:
Aug. 20, 1996
Filed:
Oct. 25, 1994
Applicant:
Inventors:
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);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
29846 ; 29852 ; 174254 ; 205125 ; 427 97 ; 437220 ;
Abstract
A flex or TAB product suitable for chip carrier applications wherein the flex reliability problems caused by copper dendrite growth and lead bending during power and thermal cycling are reduced by application of special coatings to lead areas of the flex tape.