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:
Feb. 11, 2025
Filed:
Jul. 14, 2022
Western Digital Technologies, Inc., San Jose, CA (US);
Harish Gajula, Chilamathur, IN;
Bhanushankar Doni, Bangalore, IN;
Sandisk Technologies, Inc., Milpitas, CA (US);
Abstract
Technology is disclosed herein for multi-stage data compaction. In a first data compaction stage valid data fragments from source erase block(s) are programmed into a destination erase block at two bits per memory cell. In a second data compaction stage additional valid data from the source erase block(s) is programmed into the destination erase block at two bits per memory cell. In this second stage, the same physical pages of memory cells in the destination erase block may be programmed such that each memory cell in the destination erase block is programmed to four bits.