US Patent Issued to Sandisk Technologies on Aug. 11 for "Enable open sub-block erase in sub-block mode operation" (California Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,706,158, issued on Aug. 11, was assigned to Sandisk Technologies Inc. (Milpitas, Calif.).

"Enable open sub-block erase in sub-block mode operation" was invented by Weiyi Li (Fremont, Calif.), Jiacen Guo (Cupertino, Calif.) and Xiang Yang (Santa Clara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A memory apparatus and operating method are provided. The apparatus includes memory cells connected to word lines and configured to retain a threshold voltage corresponding to data states. The memory cells form a block including an unselected sub-block for an erase operation and a selected sub-block for the erase operation. A control means is configured...