ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,495,581, issued on Dec. 9, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Gyeonggi-Do, South Korea).

"Semiconductor devices and data storage systems including the same" was invented by Sangmin Kang (Hwaseong-si, South Korea) and Junghwan Kim (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes a substrate; gate electrodes spaced apart from each other and stacked in a direction, perpendicular to an upper surface of the substrate; first and second horizontal conductive layers sequentially stacked between the substrate and the gate electrodes; and a channel structure passing through the gate electrodes and extend...