ALEXANDRIA, Va., July 16 -- United States Patent no. 12,362,023, issued on July 15, was assigned to Kioxia Corp. (Tokyo).
"Semiconductor memory device" was invented by Hideki Igarashi (Kawasaki Kanagawa, Japan) and Tomokazu Nakai (Yokohama Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor memory device performs: an erase voltage supply operation that applies an erase voltage to a first wiring; a first erase verify operation that applies a read pass voltage to a first conductive layer, and applies an erase verify voltage to a second conductive layer after performing the erase voltage supply operation; and a second erase verify operation that applies the erase verify voltage to the...