ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,382,227, issued on Aug. 5, was assigned to GoertekMicroelectronics Co. Ltd. (Shandong, China).
"Capacitive MEMS microphone, microphone unit and electronic device" was invented by Quanbo Zou (Shandong, China), Maoqiang Dang (Shandong, China) and Dexin Wang (Shandong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed in embodiments of the present disclosure are a capacitive MEMS microphone, a microphone unit and an electronic device. The capacitive MEMS microphone includes: a back electrode plate; a diaphragm; and a spacer for separating the back electrode plate from the diaphragm, wherein in a state where no operating bias is applied, at leas...