ALEXANDRIA, Va., March 24 -- United States Patent no. 12,588,217, issued on March 24, was assigned to International Business Machines Corp. (Armonk, N.Y.).
"Programming current control for artificial intelligence (AI) devices" was invented by Injo Ok (Loudonville, N.Y.), Soon-Cheon Seo (Glenmont, N.Y.), Youngseok Kim (Upper Saddle River, N.J.), Timothy Mathew Philip (Albany, N.Y.) and Alexander Reznicek (Troy, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for controlling the programming current of a PCM-based AI device using an external resistor are provided. In one aspect, a PCM cell includes: a PCM stack, that has a bottom electrode; a heater disposed directly on the bottom electrode; a PC...