ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,091, issued on Oct. 7, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Semiconductor device including a nonvolatile vertical memory device and electronic system including the semiconductor device" was invented by Jaechul Lee (Hwaseong-si, South Korea), Seungjae Sim (Hwaseong-si, South Korea) and Daehun Choi (Hwaseong-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes: a stepped connection portion having a plurality of conductive pad portions disposed on a substrate; an insulating block covering the plurality of conductive pad portions, wherein the insulating block has a first surface ...