ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,094, issued on March 18, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).
"Semiconductor device" was invented by Jun Hyuk Lim (Hwaseong-si, South Korea), Jong Min Baek (Seoul, South Korea), Deok Young Jung (Seoul, South Korea), Sung Jin Kang (Seoul, South Korea) and Jang Ho Lee (Incheon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a semiconductor device including an etching stop film which is placed disposed on a substrate; an interlayer insulating film which is disposed on the etching stop film; a trench which penetrates the interlayer insulating film and the etching stop film; a spacer which e...