US Patent Issued to SK hynix on Sept. 23 for "Three-dimensional semiconductor device" (South Korean Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,575, issued on Sept. 23, was assigned to SK hynix Inc. (Icheon-si, South Korea).

"Three-dimensional semiconductor device" was invented by Sung Lae Oh (Icheon-si, South Korea), Sang Hyun Sung (Icheon-si, South Korea), Hyun Soo Shin (Icheon-si, South Korea) and Kang Sik Choi (Icheon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A three-dimensional semiconductor device includes a peripheral circuit device layer that includes a page buffer area, a pass transistor area adjacent to the page buffer layer, and a logic transistor area adjacent to the pass transistor area in the first direction, and a memory cell device layer that includes a...