ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,803, issued on Dec. 30, was assigned to RichWave Technology Corp. (Taipei, Taiwan).
"Acoustic wave device and manufacturing method thereof" was invented by Hao-Min Huang (Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A manufacturing method of an acoustic wave device and an acoustic wave device are provided. The manufacturing method includes providing a piezoelectric substrate. A transducer and a solder layer are provided on the piezoelectric substrate, and the transducer is covered with a passivation layer. The method further includes forming a first photoresist layer on the piezoelectric substrate, and patterning the first photoresi...