US Patent Issued to Applied Materials on March 17 for "Methods and structures for three-dimensional dynamic random-access memory" (California, Massachusetts, Texas Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,637, issued on March 17, was assigned to Applied Materials Inc. (Santa Clara, Calif.).

"Methods and structures for three-dimensional dynamic random-access memory" was invented by Fredrick David Fishburn (Aptos, Calif.), Arvind Kumar (Austin, Texas), Sony Varghese (Manchester-by-the-Sea, Mass.), Chang Seok Kang (Santa Clara, Calif.), Sung-Kwan Kang (San Jose, Calif.) and Tomohiko Kitajima (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for forming three-dimensional dynamic random-access memory (3D DRAM) structures that leverage a grid pattern of high aspect ratio holes to form subsequent features of the 3D DRAM. The method m...