US Patent Issued to SK hynix on Sept. 22 for "Semiconductor device and method of manufacturing semiconductor device" (South Korean Inventor)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,745,619, issued on Sept. 22, was assigned to SK hynix Inc. (Icheon-si, South Korea).

"Semiconductor device and method of manufacturing semiconductor device" was invented by Jae Taek Kim (Icheon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes a stack disposed over a peripheral circuit. The stack includes alternately stacked insulating layers and sacrificial layers. The semiconductor device also includes a first contact structure penetrating through the stack to connect with the peripheral circuit. The first contact structure includes a protruding part extending outward from a sidewall of the first contact s...