US Patent Issued to Murata Manufacturing on Oct. 21 for "Transversely-excited film bulk acoustic resonators with curved shaped ends of fingers or opposing busbars" (California Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,864, issued on Oct. 21, was assigned to Murata Manufacturing Co. Ltd. (Nagaokakyo, Japan).

"Transversely-excited film bulk acoustic resonators with curved shaped ends of fingers or opposing busbars" was invented by Greg Dyer (Santa Barbara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic resonator has a substrate having a surface and a single-crystal piezoelectric plate, with a portion of the piezoelectric plate forming a diaphragm that spans a cavity in the substrate. An interdigital transducer (IDT) is formed on a surface of the single-crystal piezoelectric plate such that interleaved fingers of the IDT are disposed on the diaphr...