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:
Apr. 02, 2002
Filed:
Apr. 02, 1999
M'hamed Ibnabdeljalil, Dallas, TX (US);
S. Leigh Phoenix, Ithaca, NY (US);
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
A packaged semiconductor device with electrical redundancy for improved mechanical reliability and a method for fabrication are disclosed. The device comprises a semiconductor chip having an integrated circuit, said circuit having a multitude of electrical terminals with metal contact pads; an interposer of electrically insulating material having electrically conductive paths extending through said interposer from one surface to the opposite surface forming electrical entry and exit ports on said insulating interposer; said interposer with its entry and exit ports having regions of different mechanical stress levels; each of said chip contact pads being electrically connected to a respective entry port of said interposer and by means of said conductive paths to at least one respective exit ports; and at least one of said entry ports being electrically connected to a plurality of high-stress exit ports in parallel.