US Patent Issued to SK hynix on Feb. 4 for "Semiconductor memory device and manufacturing method of the semiconductor memory device" (South Korean Inventors)

ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,218,078, issued on Feb. 4, was assigned to SK hynix Inc. (Icheon-si, South Korea).

"Semiconductor memory device and manufacturing method of the semiconductor memory device" was invented by Jun Hyuk Park (Icheon-si, South Korea), Kyung Min Park (Icheon-si, South Korea), Sung Gon Jin (Icheon-si, South Korea) and Dong Won Choi (Icheon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "There are provided a semiconductor memory device and a manufacturing method of the semiconductor memory device. The semiconductor memory device includes: a gate stack structure including a plurality of interlayer insulating layers and a plurality of conductive patt...