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. 25, 1989
Filed:
Mar. 02, 1987
Applicant:
Inventors:
Steven J Hillenius, Summit, NJ (US);
William T Lynch, Summit, NJ (US);
Lalita Manchanda, North Plainfield, NJ (US);
Assignee:
American Telephone and Telegraph Company AT&T Bell Laboratories, Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 53 ; 357 54 ; 357 2311 ;
Abstract
Disclosed are semiconductor devices and circuits which are highly resistant to the effects of radiation. A thin conductive layer, which is biased at substrate potential, and a thin oxide are provided under the usual field oxide of the devices. The conductive layer shields the semiconductor substrate from the effects of charge generation in the field oxide due to radiation absorption.