US Patent Issued to KIOXIA on Aug. 19 for "Semiconductor memory device and manufacturing method thereof" (Japanese Inventor)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,394,482, issued on Aug. 19, was assigned to KIOXIA Corp. (Tokyo).

"Semiconductor memory device and manufacturing method thereof" was invented by Ippei Kume (Mie, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to one embodiment, a semiconductor memory device includes: a first chip including first conductive layers arranged at intervals in a first direction, a first semiconductor layer extending through an inside of the first conductive layers in the first direction, a first insulating film between the first semiconductor layer and the first conductive layers, a second semiconductor layer provided above the first conductive layers and in c...