US Patent Issued to MURATA MANUFACTURING on March 18 for "Solidly-mounted transversely-excited film bulk acoustic resonators with low thermal impedance" (California Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,617, issued on March 18, was assigned to MURATA MANUFACTURING Co. LTD. (Nagaokakyo, Japan).

"Solidly-mounted transversely-excited film bulk acoustic resonators with low thermal impedance" was invented by Greg Dyer (Santa Barbara, Calif.), Chris O'Brien (San Diego), Neal O. Fenzi (Santa Barbara, Calif.) and James R. Costa (Lompoc, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Acoustic resonators, filters and methods of making resonators are disclosed. An acoustic resonator includes a substrate, a piezoelectric plate, and an acoustic Bragg reflector between a surface of the substrate and a back surface of the piezoelectric plate. An interdigi...