US Patent Issued to MURATA MANUFACTURING on March 17 for "Acoustic wave device" (Japanese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,547, issued on March 17, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Acoustic wave device" was invented by Junji Yamauchi (Nagaokakyo, Japan), Kentaro Nakamura (Nagaokakyo, Japan) and 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 quartz-crystal layer provided directly or indirectly on the support substrate, a piezoelectric layer on the quartz-crystal layer, and an IDT electrode on the piezoelectric layer. When Lambda represents a wavelength defined by an electrode finger pitch of the IDT electrode, a thickness of the quartz-crystal layer is...