ALEXANDRIA, Va., March 3 -- United States Patent no. 12,568,626, issued on March 3, was assigned to Kioxia Corp. (Tokyo).
"Semiconductor memory device" was invented by Takuya Nishikawa (Yokkaichi Mie, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor memory device includes finger structures arranged in a first direction and an inter-finger insulating member disposed between a first finger structure and a second finger structure. The first finger structure includes conductive layers stacked in a stacking direction, a semiconductor column opposed to the conductive layers, a first insulating layer and a second insulating layer covering terrace portions of the conductive layers, and a third in...