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. 24, 1989
Filed:
Mar. 21, 1988
Applicant:
Inventors:
Arlen J Hughes, Tustin, CA (US);
Virgil H Strahan, Orange, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 237 ; 357-4 ;
Abstract
A radiation-induced substrate photo-current compensation apparatus for a silicon FET on a sapphire substrate having an additional pair of electrodes on the substrate in a precise geometrical relationship to the source and drain electrodes to provide a compensating substrate current which flows into the source and drain electrodes, eliminating the undesirable effects of radiation on the semiconductor.