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:
Aug. 19, 2014
Filed:
Aug. 31, 2012
Applicant:
Hyung Seok Kim, Seoul, KR;
Inventor:
Hyung Seok Kim, Seoul, KR;
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/34 (2006.01); G11C 16/04 (2006.01); G11C 11/56 (2006.01);
U.S. Cl.
CPC ...
G11C 16/0483 (2013.01); G11C 11/5628 (2013.01);
Abstract
A semiconductor memory device and a method of operating the same include a circuit group configured to apply a program maintaining voltage between the program prohibition voltage and the program permission voltage to bit lines connected to programmed memory cells to prevent a decrease in threshold voltage.