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:
Feb. 14, 2012
Filed:
Apr. 16, 2008
Applicants:
Cheol-kyu Kim, Seoul, KR;
Yoon-ho Khang, Yongin-si, KR;
Ki-joon Kim, Hwaseong-si, KR;
Inventors:
Assignee:
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 (2006.01); G11C 7/12 (2006.01); G11C 11/00 (2006.01); G11C 7/22 (2006.01); G11C 11/21 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of operating a phase-change memory device, including a phase-change layer and a unit applying a voltage to the phase-change layer, which includes applying a reset voltage to the phase-change layer, wherein the reset voltage includes at least two pulse voltages which are continuously applied.