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:
Sep. 28, 2004
Filed:
Jun. 14, 2002
Applicant:
Inventor:
Sigrid Thomas, Grenoble, FR;
Assignee:
STMicroelectronics S.A., Montrouge, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 5/06 ;
U.S. Cl.
CPC ...
G11C 5/06 ;
Abstract
A read-only memory formed of cells, each of which includes, between a selection line and a bit line, the series connection of a memory element and of a selection MOS transistor with a gate connected to a read control line. The memory elements of blank cells are P-channel MOS transistors and the memory elements of programmed cells are uniformly N-type doped semiconductor regions.