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:
Oct. 26, 1976
Filed:
May. 28, 1974
Applicant:
Inventor:
Surinder Krishna, Ballston Lake, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 64 ; 357 60 ; 357 37 ; 357 88 ;
Abstract
Deep level impurities such, for example, as gold, platinum, silver, nickel and copper, are introduced into selected regions of semiconductor devices by directional solidification to reduce the charge recombination lifetime and therefore the turn-off time of the device.
Krishna, Surinder. (1976). Spatial control of lifetime in semiconductor device (U.S. Patent No. 3988771). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3988771
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile