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. 05, 2026
Filed:
Jan. 23, 2025
Sandisk Technologies, Inc., Milpitas, CA (US);
Eran Sharon, Rishon Lezion, IL;
Ariel Navon, Revava, IL;
Sandisk Technologies, Inc., Milpitas, CA (US);
Abstract
Data is often stored in a multi-level memory (e.g., a quad-level cell (QLC)) using a mapping that balances the bit error rate among the various pages in the memory. The number of sense operations needed to read each page is also relatively balanced. The data storage device presented herein can decide to store data using a non-balanced mapping if there is a desire to later read a low-resolution version of the data. With a non-balanced mapping, fewer sense operations are needed to read the lower page of data, which contains the low-resolution version of the data. Other pages can be read if a higher-resolution version of the data is desired, and techniques can be used to mitigate the higher bit error rate that may be encountered in those other pages because of use of the non-balanced mapping.