ALEXANDRIA, Va., April 15 -- United States Patent no. 12,604,678, issued on April 14, was assigned to Taiwan Semiconductor Manufacturing Co. Ltd. (Hsinchu, Taiwan).
"Vertical phase change switch utilizing a thermally conductive sidewall dielectric for high-efficiency heating" was invented by Kuo-Pin Chang (Hsinchu, Taiwan), Yu-Wei Ting (Taipei, Taiwan), Tsung-Hao Yeh (Hsinchu, Taiwan) and Kuo-Ching Huang (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A phase change device includes a substrate with a top surface. A heater structure is disposed on the substrate. The heater structure has first and second sidewalls on opposite sides of the heater structure. A phase change element is disposed ove...