ALEXANDRIA, Va., March 31 -- United States Patent no. 12,593,621, issued on March 31, was assigned to International Business Machines Corp. (Armonk, N.Y.).
"Phase change multilayer heterostructure with multiple heaters" was invented by Ching-Tzu Chen (Ossining, N.Y.), Kevin W. Brew (Niskayuna, N.Y.), Jin Ping Han (Yorktown Heights, N.Y.), Timothy Mathew Philip (Albany, N.Y.) and Injo Ok (Loudonville, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A structure including alternating layers of phase change material layers and dielectric encapsulated heater element layers, the alternating layers of phase change material layers and the dielectric encapsulated heater element layers are sandwiched between a fir...