ALEXANDRIA, Va., April 9 -- United States Patent no. 12,269,732, issued on April 8, was assigned to FORTEMEDIA INC. (Alviso, Calif.).
"MEMS microphone" was invented by Jien-Ming Chen (Tainan, Taiwan), Chih-Yuan Chen (Tainan, Taiwan), Feng-Chia Hsu (Tainan, Taiwan), Wen-Shan Lin (Tainan, Taiwan) and Nai-Hao Kuo (Tainan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A micro-electro-mechanical system (MEMS) microphone is provided. The MEMS microphone includes a substrate, a backplate, an insulating layer, and a diaphragm. The substrate has an opening portion. The backplate is disposed on a side of the substrate, with protrusions protruding toward the substrate. The diaphragm is movably disposed between ...