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:
Jul. 03, 2012
Filed:
Sep. 09, 2010
Applicants:
Nam-kyeong Kim, Gyeonggi-do, KR;
Jung-min Choi, Gyeonggi-do, KR;
Inventors:
Nam-Kyeong Kim, Gyeonggi-do, KR;
Jung-Min Choi, Gyeonggi-do, KR;
Assignee:
Hynix Semiconductor Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A nonvolatile memory device includes a plurality of memory blocks, a plurality of erasure detection units provided at the plurality of memory blocks, respectively, and configured to each detect erasure of the respective memory blocks, and a control unit configured to determine that a memory block is a bad memory block when a number of erasure operations performed on the memory block as detected by the respective erasure detection unit is greater than a reference value.