ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,720,754, issued on Aug. 25, was assigned to SK hynix Inc. (Icheon-si, South Korea).
"Semiconductor device and method of manufacturing semiconductor device" was invented by Eun Seok Choi (Icheon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes a stacked body including stacked insulating layers and stacked conductive layers; a cell plug; a connection contact structure; and a source layer coupled to the cell plug. The cell plug includes upper and lower portions, the connection contact structure includes a first connection contact disposed at substantially the same level as the lower portion of the cell plug, an...