ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,197, issued on Nov. 11, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Acoustic wave device" was invented by Tetsuya Kimura (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave device includes a support, a piezoelectric layer, an IDT electrode including first and second busbars and first and second electrode fingers, and a dielectric film provided on the piezoelectric layer so as to overlap at least a portion of the IDT electrode in plan view. When a thickness of the piezoelectric layer is d and a center-to-center distance between centers of adjacent ones of the electrode fingers is p, d/p is less than o...