ALEXANDRIA, Va., June 25 -- United States Patent no. 12,341,493, issued on June 24, was assigned to Murata Manufacturing Co. Ltd. (Nagaokakyo, Japan).
"Low loss transversely-excited film bulk acoustic resonators and filters" was invented by Bryant Garcia (Mississauga, Canada) and Greg Dyer (Santa Barbara, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic resonator device includes a diaphragm including a portion of the piezoelectric plate spanning a cavity in a substrate. A conductor pattern on a surface of the piezoelectric plate includes an interdigital transducer (IDT) with a first busbar, a second busbar, and a plurality of interleaved fingers, wherein the plurality of interleaved fingers ...