ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,932, issued on June 17, was assigned to AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) Co. LTD. (Shenzhen, China).

"MEMS microphone" was invented by Zhuanzhuan Zhao (Shenzhen, China), Zhengyu Shi (Shenzhen, China), Kaijie Wang (Shenzhen, China), Linlin Wang (Shenzhen, China) and Rui Zhang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses a Micro-Electro-Mechanical System (MEMS) microphone including a substrate including a back cavity; a capacitive system arranged on the substrate, the capacitive system including a back plate and a diaphragm opposite to the back plate, the diaphragm located on a side of the back p...