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:
Jan. 06, 1987
Filed:
Oct. 23, 1985
Applicant:
Inventors:
Randy A Rusch, Kokomo, IN (US);
Douglas A Kittle, Sharpsville, IN (US);
Bernhard G Ulfers, Logansport, IN (US);
Stephen L Inman, Kokomo, IN (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
2957 / ; 29571 ; 2957 / ; 148-15 ; 148187 ; 357 234 ; 357 91 ;
Abstract
An enhancement implant used in late programming of a ROM in an integrated circuit is combined with a depletion implant used much earlier in the fabrication process to also permit late programming of power paths in the integrated circuit. The implants must be matched and the IC heated after the enhancement implant.