ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,820, issued on May 20, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Acoustic wave device" was invented by Sho Nagatomo (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave device includes a semiconductor support including a principal surface, a piezoelectric layer on the principal surface of the semiconductor support, and an IDT electrode on a principal surface of the piezoelectric layer. The IDT electrode includes first and second busbars, and first and second electrode fingers. The IDT electrode includes first gaps between the first busbar and respective second electrode fingers. A recess is provided...