ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,419,051, issued on Sept. 16, was assigned to SK hynix Inc. (Icheon-si, South Korea).
"Semiconductor memory device and manufacturing method of semiconductor memory device" was invented by Jin Ha Kim (Icheon-si Gyeonggi-do, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "There are provided a semiconductor memory device and a manufacturing method of a semiconductor memory device. The manufacturing method of the semiconductor memory device includes: stacking a plurality of first material layers and a plurality of second material layers over a preliminary doped semiconductor structure; forming a blocking insulating layer, a data storage layer, a ...