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. 28, 2019
Filed:
Jun. 27, 2016
Sandisk Technologies Llc, Plano, TX (US);
Biswajit Ray, Santa Clara, CA (US);
Mohan Dunga, Santa Clara, CA (US);
Gerrit Jan Hemink, San Ramon, CA (US);
Changyuan Chen, San Ramon, CA (US);
SANDISK TECHNOLOGIES LLC, Plano, TX (US);
Abstract
Apparatuses, systems, methods, and computer program products are disclosed for erase depth control. One apparatus includes a block of non-volatile storage cells. A controller is configured to perform a first erase operation on a block of non-volatile storage cells. A controller for a block is configured to determine a first set of storage cells of the block having a faster erase speed than a second set of storage cells of the block based on a verify voltage threshold. A controller for a block is configured to perform a second erase operation on the block using different voltages for a first set of storage cells and a second set of storage cells of the block.