US Patent Issued to Kioxia on Aug. 4 for "Semiconductor memory device" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,701,704, issued on Aug. 4, was assigned to Kioxia Corp. (Tokyo).

"Semiconductor memory device" was invented by Daisuke Kawamura (Kiyosu, Japan), Ikuya Saiki (Mie, Japan) and Tomonori Sakaguchi (Yokkaichi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to one embodiment, a semiconductor memory device includes a plurality of first contacts arranged in a staircase region on one side in a second direction of a plate-like portion and along the plate-like portion, and individually connected to at least lower conductive layers among the plurality of terraced conductive layers in a first staircase portion; and a plurality of second contacts arran...