ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,720,756, issued on Aug. 25, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Gyeonggi-do, South Korea).

"Semiconductor memory device and electronic system including the same" was invented by Il Ho Myeong (Suwon-si, South Korea), Su Seong Noh (Suwon-si, South Korea), Seung Min Lee (Suwon-si, South Korea) and Sang Woo Han (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor memory device includes a substrate, a mold structure including a plurality of gate electrodes and a plurality of mold insulating films alternately stacked on the substrate, a channel structure extending in a first direction and penetrating the mold structu...