ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,495,723, issued on Dec. 9, was assigned to Taiwan Semiconductor Manufacturing Co. Ltd. (Hsinchu, Taiwan).
"Phase change material (PCM) switch with variably spaced spreader layer structures and methods of forming the same" was invented by Fu-Hai Li (Tainan, Taiwan), Kuo-Ching Huang (Hsinchu, Taiwan) and Yi Ching Ong (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A switch includes a heater layer, a phase change material (PCM) layer on the heater layer, and a spreader layer formed in proximity to the PCM layer and including a central region with a first thermal conductivity and an edge region with a second thermal conductivity different tha...