US Patent Issued to SK hynix on July 7 for "Semiconductor memory device" (South Korean Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,677,415, issued on July 7, was assigned to SK hynix Inc. (Icheon-si, South Korea).

"Semiconductor memory device" was invented by Hyo Sub Yeom (Icheon-si, South Korea) and Seung Ju Oh (Icheon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a semiconductor memory device. The semiconductor memory device includes a metal pattern including a first line part extending in a first direction and a second line part which is connected to the first line part and extends in a second direction to intersect with the first line part, and a source structure which has a trench. The metal pattern is formed in the trench and the source struc...