US Patent Issued to MURATA MANUFACTURING on Sept. 1 for "Acoustic wave device" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,726,175, issued on Sept. 1, 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 support substrate, a piezoelectric film on the support substrate, and an IDT electrode on the piezoelectric film. A film thickness of the piezoelectric film is equal to or less than about 1Lambda when Lambda is a wavelength of an acoustic wave determined by an electrode finger period of the IDT electrode. The piezoelectric film includes first and second regions in a thickness direction of the piezoelectric film. ...