ALEXANDRIA, Va., June 12 -- United States Patent no. 12,300,296, issued on May 13, was assigned to Sandisk Technologies Inc. (Milpitas, Calif.).
"Cross-point array refresh scheme" was invented by Michael Nicolas Albert Tran (San Jose, Calif.), Michael K. Grobis (Campbell, Calif.), Ward Parkinson (Boise, Idaho) and Nathan Franklin (Belmont, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Technology is disclosed herein for refreshing threshold switching selectors in programmable resistance memory cells in cross-point memory arrays. The Vt of the threshold switching selector may drift over time. The memory system resets the Vt of the threshold switching selectors with a selector refresh operation and uses...