US Patent Issued to Murata Manufacturing on Nov. 4 for "Transversely-excited film bulk acoustic resonators with improved coupling and reduced energy leakage" (California Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,615, issued on Nov. 4, was assigned to Murata Manufacturing Co. Ltd. (Nagaokakyo, Japan).

"Transversely-excited film bulk acoustic resonators with improved coupling and reduced energy leakage" was invented by Sean McHugh (Santa Barbara, Calif.) and Filip Iliev (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "Acoustic resonators, acoustic filter devices and methods of making the same. An acoustic resonator device includes a piezoelectric plate having front and back surfaces, an interdigital transducer (IDT) on the front surface including interleaved fingers extending alternately from opposed first and second busbars, an overlapping distan...