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:
May. 24, 2016
Filed:
Nov. 18, 2014
Applicant:
Sandisk Technologies Inc., Plano, TX (US);
Inventors:
Rohit Sehgal, Mountain View, CA (US);
Niles Yang, Mountain View, CA (US);
Abhilash Kashyap, San Jose, CA (US);
Assignee:
SanDisk Technologies Inc., Plano, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/34 (2006.01); G11C 16/34 (2006.01); G11C 11/56 (2006.01); G11C 16/10 (2006.01); G11C 16/26 (2006.01);
U.S. Cl.
CPC ...
G11C 16/3427 (2013.01); G11C 11/5628 (2013.01); G11C 11/5642 (2013.01); G11C 16/10 (2013.01); G11C 16/26 (2013.01);
Abstract
One or more word lines in a Multi Level Cell (MLC) block are identified as being at high risk of read disturb errors and data is selectively copied from such high risk word lines to a location outside the MLC block where the copy is maintained. Subsequent read requests for the data may be directed to the copy of the data outside the MLC block.