US Patent Issued to Murata Manufacturing on March 18 for "Transversely-excited film bulk acoustic resonator with oxide strip acoustic confinement structures" (Utah, California Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,630, issued on March 18, was assigned to Murata Manufacturing Co. Ltd. (Nagaokakyo, Japan).

"Transversely-excited film bulk acoustic resonator with oxide strip acoustic confinement structures" was invented by Andrew Kay (Provo, Utah), Sean McHugh (Santa Barbara, Calif.), John Koulakis (Los Angeles) and Albert Cardona (Santa Barbara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Acoustic resonators, filters, and methods. A filter includes a piezoelectric plate supported by a substrate; and three or more diaphragms of the piezoelectric plate spanning a respective cavity in the substrate. A conductor pattern on the plate has interdigital trans...