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. 29, 2015
Filed:
Jul. 30, 2014
Applicants:
Dong-hun Kwak, Hwaseong-Si, KR;
Ki-tae Park, Seongnam-Si, KR;
Inventors:
Dong-Hun Kwak, Hwaseong-Si, KR;
Ki-Tae Park, Seongnam-Si, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/06 (2006.01); G11C 16/24 (2006.01); G11C 16/26 (2006.01); G11C 16/34 (2006.01); G11C 16/10 (2006.01);
U.S. Cl.
CPC ...
G11C 16/10 (2013.01);
Abstract
A method of driving a nonvolatile memory device, includes; forward shifting threshold voltages of nonvolatile memory cells by executing a first program loop with respect to the nonvolatile memory cells, and thereafter, reverse shifting the threshold voltages of the nonvolatile memory cells, and again forward shifting the threshold voltages of the nonvolatile memory cells by executing a second program loop with respect to the nonvolatile memory cells.