US Patent Issued to MURATA MANUFACTURING on Dec. 2 for "Ladder filter with transversely-excited film bulk acoustic resonators having different pitches" (Canadian, American Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,417, issued on Dec. 2, was assigned to MURATA MANUFACTURING Co. LTD. (Nagaokakyo, Japan).

"Ladder filter with transversely-excited film bulk acoustic resonators having different pitches" was invented by Sean McHugh (Santa Barbara, Calif.), Greg Dyer (Santa Barbara, Calif.) and Bryant Garcia (Mississaugna, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filter device is provided that includes a substrate having a surface and a piezoelectric plate supported by the substrate. A plurality of interdigital transducers (IDTs) for multiple resonators are provided that each have interleaved fingers at respective diaphragms of the piezoelectric plate d...