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:
Sep. 12, 2017
Filed:
Sep. 22, 2015
Applicant:
Sandisk Technologies Llc, Plano, TX (US);
Inventors:
Chris Avila, Saratoga, CA (US);
Yingda Dong, San Jose, CA (US);
Alexander Kwok-Tung Mak, Los Altos Hills, CA (US);
Steven T. Sprouse, San Jose, CA (US);
Assignee:
SanDisk Technologies LLC, Plano, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/04 (2006.01); G06F 3/06 (2006.01); G06F 11/10 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0652 (2013.01); G06F 3/0619 (2013.01); G06F 3/0679 (2013.01); G06F 11/106 (2013.01); G11C 16/04 (2013.01);
Abstract
An array of non-volatile memory cells includes a first plurality of nonvolatile memory cells and a second plurality of non-volatile memory cells. The first plurality of memory cells, which have first diameters of memory holes, are assigned to store portions of data that are not frequently read. The second plurality of memory cells, which have second diameters of memory holes, are assigned to store portions of data that are frequently read. The first diameters are smaller than the second diameters.