US Patent Issued to RichWave Technology on April 29 for "Acoustic wave device with enhanced quality factor and fabrication method thereof" (Taiwanese Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,089, issued on April 29, was assigned to RichWave Technology Corp. (Taipei, Taiwan).

"Acoustic wave device with enhanced quality factor and fabrication method thereof" was invented by Chin-Chia Chang (Taipei, Taiwan), Shih-Meng Lin (Taipei, Taiwan) and Shih-Che Chen (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave device includes a piezoelectric substrate and a transducer. The piezoelectric substrate has a surface. The transducer is disposed on the surface. The transducer includes a first electrode, a second electrode, and at least one protrusion. The first electrode extends along a first direction and has a first end. ...