ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,471, issued on Jan. 27, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Semiconductor device" was invented by Seok Hwan Lee (Yongin-si, South Korea), Ki Seok Lee (Hwaseong-si, South Korea) and Sang Ho Lee (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes a device isolation layer defining a cell active area in a substrate. A plurality of buried contacts is electrically connected with the substrate and arranged in a first direction. A bit line structure extends in a second direction between adjacent buried contacts of the plurality of buried contacts. The bit line structure inc...