ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,750,032, issued on Sept. 29, was assigned to Murata Manufacturing Co. Ltd. (Nagaokakyo, Japan).
"Metal-piezoelectric-metal capacitor" was invented by Albert Cardona (Santa Barbara, Calif.) and Drew Morosin (Oxnard, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic resonator is provided that includes a substrate; a piezoelectric layer coupled to the substrate by one or more dielectric layers and having first and second surfaces that oppose each other; an interdigital transducer on at least one of the first and second surfaces of the piezoelectric layer and including interleaved fingers; and a capacitor electrically coupled in parallel to...