US Patent Issued to MURATA MANUFACTURING on June 3 for "Symmetric transversely-excited film bulk acoustic resonators with reduced spurious modes" (Bulgarian Inventor)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,323,125, issued on June 3, was assigned to MURATA MANUFACTURING Co. LTD. (Nagaokakyo, Japan).

"Symmetric transversely-excited film bulk acoustic resonators with reduced spurious modes" was invented by Ventsislav Yantchev (Sofia, Bulgaria).

According to the abstract* released by the U.S. Patent & Trademark Office: "Acoustic resonators and filters are disclosed. An acoustic resonator includes a substrate and a piezoelectric plate. A back surface of the piezoelectric plate is attached to the substrate except for a portion of the piezoelectric plate forming a diaphragm spanning a cavity in the substrate. A conductor pattern including an interdigital transducer (IDT) is formed on a front s...