US Patent Issued to SUNRISE MEMORY on Nov. 4 for "Bit line and source line connections for a 3-dimensional array of memory circuits" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,138, issued on Nov. 4, was assigned to SUNRISE MEMORY Corp. (San Jose, Calif.).

"Bit line and source line connections for a 3-dimensional array of memory circuits" was invented by Shohei Kamisaka (Kanagawa, Japan) and Yosuke Nosho (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A conductor-filled via formed between an interconnection conductor layer and a buried contact above a planar surface of a semiconductor substrate, includes: (a) a first portion that extends from the interconnection conductor layer through a first isolation layer to a step in a staircase structure formed above the buried contacts, wherein (i) the step of the staircase str...