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:
Jun. 02, 1998
Filed:
Feb. 01, 1996
Applicant:
Inventors:
David James Alcoe, Vestal, NY (US);
Steven Wayne Anderson, Endicott, NY (US);
Yifan Guo, Vestal, NY (US);
Eric Arthur Johnson, Greene, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
257669 ; 257676 ; 257701 ; 257738 ; 361749 ; 361776 ; 439 67 ;
Abstract
An electronic package which includes a flexible substrate, stiffener and chip. The chip is bonded to the substrate, which was secured to the stiffener. Strain relief means are utilized at various locations in the package to prevent problems (e.g., tape 'wrinkling') associated with relatively large differences in coefficients of thermal expansion between the package's various elements.