ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,707, issued on Feb. 24, was assigned to AUO Corp. (Hsinchu, Taiwan).
"Transducer and manufacturing method thereof" was invented by Pin-Hsiang Chiu (Hsinchu, Taiwan), Tai-Hsiang Huang (Hsinchu, Taiwan), Zheng-Han Chen (Hsinchu, Taiwan) and Ming Xuan Zhang (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A transducer includes a substrate, a lower electrode, an insulating layer, an oscillating membrane, and an upper electrode. The substrate has a cave and an island-shaped protrusion defining the cave. The lower electrode is disposed in the cave and on the island-shaped protrusion of the substrate. The insulating layer is disposed on the ...