US Patent Issued to Sandisk Technologies on Oct. 7 for "Sub-block separation in NAND memory through word line based selectors" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,437,817, issued on Oct. 7, was assigned to Sandisk Technologies Inc. (Milpitas, Calif.).

"Sub-block separation in NAND memory through word line based selectors" was invented by Naohiro Hosoda (Asachi-cho, Japan) and Motoo Ohaga (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "As block sizes in NAND memory continue to increase in size and density, in can be useful to access less than all of the block, such as sub-block or subset of the blocks NAND strings, in order to reduce read disturbs, reduce power consumption, and increase operating speeds. Although this sort of separation of sub-block can be achieved by independently biasable select gat...