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. 03, 2013
Filed:
Feb. 14, 2011
Applicants:
Deok-kee Kim, Yongin-si, KR;
Ho Jung Kim, Suwon-si, KR;
Inventors:
Deok-kee Kim, Yongin-si, KR;
Ho Jung Kim, Suwon-si, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A variable resistance memory device comprises a memory cell comprising a variable resistance device and a select transistor connected in series to the variable resistance device. The variable resistance memory device further comprises a write driver for supplying a write voltage to opposite sides of the memory cell, and a feedback circuit for detecting a resistance change of the variable resistance device and controlling a gate voltage of the select transistor according to the detected resistance change.