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. 07, 2004
Filed:
Dec. 23, 2002
Applicant:
Inventors:
Assignee:
NEC Electronics Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 ;
U.S. Cl.
CPC ...
G11C 7/00 ;
Abstract
Disclosed is a device and a method for enabling a programmable semiconductor memory device to provide a block selection transistor of a high voltage withstand type, to prevent the voltage from being decreased at the time of programming, to prevent the readout current from being decreased and to provide a constant sum resistance of the electrically conductive regions without dependency upon the memory cell locations.