US Patent Issued to AAC Technologies on April 1 for "Acoustic transducer and method for manufacturing acoustic transducer" (Chinese, Singaporean, Malaysian Inventors)

ALEXANDRIA, Va., April 2 -- United States Patent no. 12,267,646, issued on April 1, was assigned to AAC Technologies Pte. Ltd. (Singapore).

"Acoustic transducer and method for manufacturing acoustic transducer" was invented by KianHeng Goh (Batu Pahat, Malaysia), Chungmin Li (Taiwan, China), Qiang Dan (Shenzhen, China) and Kahkeen Lai (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic transducer includes: substrate including first silicon layer, first oxide layer and second silicon layer, back chamber is formed therethrough; second oxide layer on the substrate; piezoelectric unit on the second oxide layer and including first electrode layer, piezoelectric layer and second electrode layer; ...