ALEXANDRIA, Va., July 16 -- United States Patent no. 12,362,005, issued on July 15, was assigned to UNISANTIS ELECTRONICS SINGAPORE PTE. LTD. (Singapore).
"Semiconductor memory device" was invented by Masakazu Kakumu (Tokyo), Koji Sakui (Tokyo) and Nozomu Harada (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dynamic flash memory includes a p layer as a semiconductor base material; first and second n+ layers extending on opposite sides thereof; a first gate insulating layer partially covering the p layer; a first gate conductor layer provided thereon; a second gate insulating layer provided in contact with the first gate insulating layer and partially covering the p layer; and a second gate conductor...