ALEXANDRIA, Va., June 18 -- United States Patent no. 12,328,869, issued on June 10, was assigned to SAMSUNG ELECTRONICS Co. LTD. (South Korea).

"Semiconductor memory devices and methods for fabricating the same" was invented by Ji Hoon Chang (Yongin-si, South Korea), Jung-Hoon Han (Hwaseong-si, South Korea), Ji Seok Hong (Suwon-si, South Korea) and Dong-Sik Park (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a semiconductor memory device capable of improving reliability and performance. The semiconductor memory device comprises a substrate including a cell region and a peripheral region around the cell region, a cell region isolation film which defines t...