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:
Dec. 09, 2014
Filed:
Feb. 20, 2013
Applicant:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Inventor:
Masayuki Ichige, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11C 5/00 (2006.01); G11C 5/02 (2006.01); G11C 7/18 (2006.01); G11C 8/12 (2006.01);
U.S. Cl.
CPC ...
G11C 5/025 (2013.01); G11C 7/18 (2013.01); G11C 8/12 (2013.01);
Abstract
This nonvolatile semiconductor memory device comprises a memory cell array configured having a plurality of memory mats arranged therein, each of the memory mats having a memory cell disposed therein at an intersection of a first line and a second line, the memory cell including a first variable resistance element. A third line extends through a plurality of the memory mats. A second variable resistance element is connected between the third line and the second line of each of the plurality of memory mats.