ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,700, issued on May 26, was assigned to RichWave Technology Corp. (Taipei City, Taiwan).

"Acoustic wave device and fabrication method thereof" was invented by Hao-Min Huang (Taipei City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave device and a manufacture method thereof are provided. The acoustic wave device comprises a first substrate, a plurality of first electrodes, a second substrate, a plurality of second electrodes and a film. The first substrate comprises a first surface and a second surface. The plurality of first electrodes are disposed on the second surface of the first substrate. The second substrate comprises a t...