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. 04, 2012
Filed:
Sep. 28, 2010
Applicants:
Noriaki Kodama, Kanagawa, JP;
Takuji Onuma, Kanagawa, JP;
Inventors:
Noriaki Kodama, Kanagawa, JP;
Takuji Onuma, Kanagawa, JP;
Assignee:
Renesas Electronics Corporation, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 17/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor memory device includes a first anti-fuse element and a second anti-fuse element, respectively composed of a transistor, wherein the first anti-fuse element and the second anti-fuse element are configured so as to be concomitantly programmable, respectively formed in P-wells on a substrate, and the adjacent P-wells are isolated by N-wells of an opposite conductivity type, formed therebetween.