ALEXANDRIA, Va., April 2 -- United States Patent no. 12,267,650, issued on April 1, was assigned to AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) Co. LTD. (Shenzhen, China).
"MEMS microphone" was invented by Linlin Wang (Shenzhen, China), Rui Zhang (Shenzhen, China), Kaijie Wang (Shenzhen, China), Zhuanzhuan Zhao (Shenzhen, China) and Minh Ngoc Nguyen (Bac Ninh, Viet Nam).
According to the abstract* released by the U.S. Patent & Trademark Office: "A MEMS microphone, includes a substrate with a back cavity, and a capacitive system located on the substrate, including a back plate and a diaphragm opposite to the back plate, wherein the back plate includes a body portion, a fixing portion connected with the body portion and the substrate, and a plural...