ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,999, issued on Sept. 23, was assigned to Murata Manufacturing Co. Ltd. (Nagaokakyo, Japan).
"Transversely-excited film bulk acoustic resonators with gap dielectric stripes in busbar-electrode gaps" was invented by John Koulakis (Los Angeles) and William Lu (Santa Barbara, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic resonator device includes a substrate having a surface; an 82Y-cut lithium niobate piezoelectric plate attached to the surface of the substrate except for a portion of the piezoelectric plate forming a diaphragm that spans a cavity in an intermediate dielectric layer of the substrate; an interdigital transducer (IDT...