US Patent Issued to MURATA MANUFACTURING on July 7 for "Solidly-mounted transversely-excited bulk acoustic resonator split ladder filter" (California Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,599, issued on July 7, was assigned to MURATA MANUFACTURING Co. LTD. (Nagaokakyo, Japan).

"Solidly-mounted transversely-excited bulk acoustic resonator split ladder filter" was invented by Sean McHugh (Santa Barbara, Calif.), Gregory L. Hey-Shipton (Santa Barbara, Calif.) and Garrett Williams (San Mateo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Filter devices. A first chip includes a first base, a first piezoelectric membrane having a first thickness, and a first acoustic Bragg reflector sandwiched between the first piezoelectric membrane and the first base. A first interdigital transducer (IDT) of a first solidly-mounted membrane resona...