US Patent Issued to Murata Manufacturing on April 22 for "Decoupled transversely-excited film bulk acoustic resonators" (California Inventor)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,938, issued on April 22, was assigned to Murata Manufacturing Co. Ltd. (Nagaokakyo, Japan).

"Decoupled transversely-excited film bulk acoustic resonators" was invented by Sean McHugh (Santa Barbara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Acoustic resonator devices and filters are disclosed. An acoustic resonator includes a substrate and a piezoelectric plate supported by the substrate. A portion of the piezoelectric plate suspended across a cavity in the substrate forms a diaphragm. A decoupling dielectric layer is on a front surface of the diaphragm. An interdigital transducer (IDT) has interleaved fingers on the decoupling dielectric...