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:
Jun. 28, 2011
Filed:
Apr. 28, 2009
Applicants:
Young-nam Hwang, Gyeonggi-do, KR;
Dae-hwan Kang, Seoul, KR;
Chang-yong Um, Seoul, KR;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 5/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A variable resistance memory device includes a memory cell connected to a bit line and a clamp circuit configured to provide either a first read voltage or a second read voltage to the bit line according to an elapsed time from a write operation of the memory cell. Related methods are also described.