US Patent Issued to MURATA MANUFACTURING on July 15 for "Transversely-excited film bulk acoustic filters with excess piezoelectric material removed" (Bulgarian Inventor)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,362,725, issued on July 15, was assigned to MURATA MANUFACTURING Co. LTD. (Nagaokakyo, Japan).

"Transversely-excited film bulk acoustic filters with excess piezoelectric material removed" was invented by Ventsislav Yantchev (Sofia, Bulgaria).

According to the abstract* released by the U.S. Patent & Trademark Office: "Filter devices and fabrication methods are disclosed. A filter device includes a piezoelectric plate and a conductor pattern on a front surface of the piezoelectric plate. The conductor pattern includes interdigital transducers (IDTs) of a plurality of transversely-excited film bulk acoustic resonators (XBARs) and a plurality of conductors connecting the plurality of XBA...