US Patent Issued to International Business Machines on Sept. 2 for "Phase change memory with graded heater" (New York Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,408,571, issued on Sept. 2, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Phase change memory with graded heater" was invented by Timothy Mathew Philip (Albany, N.Y.), Kevin W. Brew (Niskayuna, N.Y.) and Jin Ping Han (Yorktown Heights, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heater, a system, and a method for linearly changing the resistance of the phase change memory through a graded heater. The system may include a phase change memory. The phase change memory may include a dielectric. The phase change memory may also include a heater patterned on the dielectric, the heater including: an outside conductive heating...