US Patent Issued to Murata Manufacturing on Oct. 27 for "Transversely-excited film bulk acoustic resonators using multiple dielectric layer thicknesses to suppress spurious modes" (Canadian Inventor)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,776,758, issued on Oct. 27, was assigned to Murata Manufacturing Co. Ltd. (Nagaokakyo, Japan).

"Transversely-excited film bulk acoustic resonators using multiple dielectric layer thicknesses to suppress spurious modes" was invented by Bryant Garcia (Mississauga, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Acoustic filters and methods of fabricating acoustic filters are disclosed. A filter includes a single-crystal piezoelectric plate having a front surface and a back surface attached to a substrate, and a plurality of acoustic resonators including a first shunt resonator, a second shunt resonator, and one or more series resonators. Each of the...