ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,707,945, issued on Aug. 11, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).
"Semiconductor device" was invented by Jang Ho Lee (Suwon-si, South Korea), Woo Kyung You (Suwon-si, South Korea) and Jong Min Baek (Suwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device is provided. The semiconductor device includes a first interlayer insulating layer, a lower wiring disposed inside the first interlayer insulating layer, an etching stop layer which includes first to third layers sequentially stacked on the first interlayer insulating layer, a second interlayer insulating layer disposed on the etching s...