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:
Nov. 05, 2013
Filed:
Mar. 07, 2012
Applicants:
Yong-shik Shin, Hwaseong-si, KR;
Ji-won Jung, Seoul, KR;
Inventors:
Yong-shik Shin, Hwaseong-si, KR;
Ji-won Jung, Seoul, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 17/18 (2006.01);
U.S. Cl.
CPC ...
G11C 17/18 (2013.01);
Abstract
A non-volatile memory device includes a plurality of memory blocks. Each of memory blocks includes a main area including a plurality of first memory cells having a phase-change material and a spare area including at least one second memory cell for storing initial information about the plurality of first memory cells. In the non-volatile memory device, a circuit of the at least one second memory cell is cut off according to the initial information, and the initial information is defective block information that is information about a defect of the plurality of memory blocks.