ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,353, issued on July 21, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Acoustic wave device" was invented by Katsuya Daimon (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave device includes a high-acoustic-velocity film, a low-acoustic-velocity film, a piezoelectric layer including lithium tantalate, and an IDT electrode on the piezoelectric layer. The IDT electrode includes first and second busbars and first and second electrode fingers. An intersecting region is a portion where the first and second electrode fingers overlap in an acoustic wave propagation direction. The intersecting region includes ...