US Patent Issued to Kioxia on May 26 for "Semiconductor memory device and method of manufacturing semiconductor memory device" (Japanese Inventor)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,641,787, issued on May 26, was assigned to Kioxia Corp. (Tokyo).

"Semiconductor memory device and method of manufacturing semiconductor memory device" was invented by Masashi Shimomura (Yokkaichi Mie, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor memory device according to an embodiment includes: a stacked body in which a plurality of first conductive layers and a plurality of first insulating layers are stacked alternatively, the stacked body including a staircase portion obtained by processing the plurality of first conductive layers in a staircase pattern; a pillar extending in a stacking direction of the stacked body in the sta...