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:
Mar. 25, 2025
Filed:
Jul. 25, 2023
Western Digital Technologies, Inc., San Jose, CA (US);
Sugandha Sharma, Pleasanton, CA (US);
Mahim Raj Gupta, Milpitas, CA (US);
Sandisk Technologies, Inc., Milpitas, CA (US);
Abstract
Technology is disclosed herein for checking data integrity in a non-volatile storage system. The storage system may operate in a first mode in which a data integrity check is performed in closed blocks until more than an allowed number of word lines fail the data integrity check. After a closed block has more than the allowed number of the word lines fail the data integrity check, then the storage system may operate in a second mode in which a data integrity check is performed in open blocks. The allowed number of word lines may be equal to the number of word lines that can be recovered by XOR data in the event data is uncorrectable by an ECC engine. The data integrity check of a target word line in an open block may be performed after programming a word line adjacent to the target word line in the open block.