ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,594, issued on July 7, was assigned to Murata Manufacturing Co. Ltd. (Nagaokakyo, Japan).
"Transversely-excited film bulk acoustic resonators with counter chirped interdigital transducers (IDTs) for mechanical and process compensation" was invented by Greg Dyer (Santa Barbara, Calif.), William Lu (Santa Barbara, Calif.), Douglas Jachowski (Santa Cruz, Calif.) and Bryant Garcia (Burlingame, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic resonator has a piezoelectric plate having first and second surfaces, the second surface facing a substrate, and a diaphragm of the piezoelectric plate spanning a cavity. A conductor pattern is forme...