US Patent Issued to SUNRISE MEMORY on April 14 for "Vertical NOR memory strings and method for fabrication thereof" (Japanese, American Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,604,468, issued on April 14, was assigned to SUNRISE MEMORY Corp. (San Jose, Calif.).

"Vertical NOR memory strings and method for fabrication thereof" was invented by Vinod Purayath (Sedona, Ariz.), Kenta Ohama (Tokyo) and Yosuke Nosho (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A VNOR memory string includes: (a) first and second pillars embedded in multiple composite layers, each composite layer comprising an insulator layer and a conductor layer, the first and second pillars each comprising a first semiconductor material of a first conductivity; (b) a second semiconductor layer of a second conductivity type opposite the first conductivity t...