US Patent Issued to SK hynix on Sept. 8 for "Semiconductor device and method of manufacturing semiconductor device" (South Korean Inventor)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,733,510, issued on Sept. 8, was assigned to SK hynix Inc. (Icheon-si, South Korea).

"Semiconductor device and method of manufacturing semiconductor device" was invented by Joon Seuk Lee (Icheon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device may include a substrate including chip areas and a scribe lane area that is disposed between the chip areas, a first stack disposed in the scribe lane area and including first material layers and second material layers that are alternately stacked, and alignment keys disposed within the first stack including first protrusion parts that protrude from an upper surface of the first...