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:
Aug. 25, 2026
Filed:
Oct. 26, 2023
Sandisk Technologies, Inc., Milpitas, CA (US);
Parth Amin, Fremont, CA (US);
Anubhav Khandelwal, San Jose, CA (US);
Sandisk Technologies, Inc., Milpitas, CA (US);
Abstract
The memory device includes a memory block with an array of memory cells that are arranged in edge word lines and non-edge word lines. Some of the word lines are in a first group to be erased in a first pulse and the others are in a second group to be erased in a second pulse. Circuitry is configured to erase the memory cells. In the first erase pulse, the circuitry applies a first inhibit voltage to the non-edge word lines of the second group and applies a higher second inhibit voltage to the edge word lines of the second group. In the second erase pulse, the circuitry applies the first inhibit voltage to the non-edge word lines of the first group and applies the higher second inhibit voltage to the edge word lines of the second group.