ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,557,283, issued on Feb. 17, was assigned to KIOXIA Corp. (Tokyo).
"Semiconductor memory device" was invented by Masahiro Koike (Yokohama, Japan) and Daisuke Hagishima (Meguro, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor memory device includes conductive layers, a semiconductor layer opposed to the conductive layers, and a gate insulating film disposed therebetween. When positions corresponding to surfaces on one and the other sides of the first conductive layer and an intermediate position thereof are respectively assumed to be a first position to a third position, when positions corresponding to surfaces on one and the other si...