ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,856, issued on Sept. 30, was assigned to MURATA MANUFACTURING Co. LTD. (Nagaokakyo, Japan).
"Transversely-excited film bulk acoustic resonator with reduced loss in the aperture direction" was invented by Bryant Garcia (Belmont, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Acoustic resonator devices and acoustic filter devices. An acoustic resonator includes a piezoelectric plate having front and back surfaces, the back surface facing a substrate. A conductor pattern is formed on the front surface. The conductor pattern includes interleaved interdigital transducer (IDT) fingers connected alternately to first and second busbars, wherein a ma...