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. 18, 1994
Filed:
Aug. 22, 1991
Applicant:
Inventor:
Richard A Chapman, Dallas, TX (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
G11C / ; G11C / ;
U.S. Cl.
CPC ...
365149 ; 36518901 ; 36523001 ;
Abstract
The disclosure relates to a MOSFET-protected nonvolatile capacitor cell which has a storage gate and a nonvolatile stack thereunder, the cell having a heavily doped n+ ring surrounding the storage gate and an n-type tank disposed beneath the stack and electrically connected to the n+ type ring.