ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,532,100, issued on Jan. 20, was assigned to AAC Microtech (Changzhou) Co. Ltd. (Changzhou, China).
"Sound transducer and MEMS microphone" was invented by Zhuanzhuan Zhao (Changzhou, China), Bo Li (Changzhou, China), Kaijie Wang (Changzhou, China) and Rui Zhang (Changzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses a sound transducer including a substrate; a back plate mounted on the substrate; a back plate electrode mounted on a side of back plate facing the substrate, including a plurality of first electrode plates arranged at intervals; a diaphragm electrode opposite to the back plate along a first direction,...