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. 12, 2013
Filed:
Nov. 16, 2009
Applicants:
Byoung Kwan Jeong, Jeollabuk-do, KR;
Chul Woo Yang, Gyeonggi-do, KR;
Inventors:
Byoung Kwan Jeong, Jeollabuk-do, KR;
Chul Woo Yang, Gyeonggi-do, KR;
Assignee:
Hynix Semiconductor Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of operating a nonvolatile memory device comprises reading erase number information which is updated and stored whenever erasure is performed, setting program start voltages and step voltages based on the erase number information, and performing a program operation based on the program start voltages and the step voltages.