US Patent Issued to AAC Technologies (Nanjing), AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) on April 29 for "Piezoelectric film acoustic resonator" (Chinese Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,091, issued on April 29, was assigned to AAC Technologies (Nanjing) Co. Ltd. (Nanjing, China) and AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) Co. LTD. (Shenzhen, China).

"Piezoelectric film acoustic resonator" was invented by Shuai Yang (Shenzhen, China), Lirong Zhang (Shenzhen, China), Ke Wu (Shenzhen, China), Zhiqiang Zhuang (Shenzhen, China) and Chao Wang (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a piezoelectric film acoustic resonator, which comprises a substrate, a first electrode disposed over the substrate, a piezoelectric film disposed over the substrate and covering at least a portion of the firs...