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:
Jun. 09, 2015
Filed:
Feb. 28, 2013
Applicant:
Sandisk Technologies Inc., Plano, TX (US);
Inventors:
Jianmin Huang, San Carlos, CA (US);
Abhijeet Manohar, San Jose, CA (US);
Chris Nga Yee Avila, Saratoga, CA (US);
Gautam Ashok Dusija, Milpitas, CA (US);
Assignee:
SanDisk Technologies Inc., Plano, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 12/02 (2006.01); G11C 11/56 (2006.01); G11C 16/04 (2006.01); G11C 16/34 (2006.01);
U.S. Cl.
CPC ...
G06F 12/0246 (2013.01); G06F 2212/7204 (2013.01); G06F 2212/7202 (2013.01); G06F 2212/72 (2013.01); G11C 11/5642 (2013.01); G11C 16/0483 (2013.01); G11C 16/3427 (2013.01);
Abstract
Lower page data that may be endangered by programming upper page data in the same memory cells is protected during upper programming using protective upper page programming schemes. High overall programming speeds are maintained by selectively using protective upper programming schemes only where endangered data is committed and may not be recoverable from another location.