ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,542, issued on Jan. 20, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Acoustic wave device" was invented by Tetsuya Kimura (Nagaokakyo, Japan), Hisashi Yamazaki (Nagaokakyo, Japan) and Katsumi Suzuki (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave device includes a support including a support substrate with a thickness direction in a first direction, a piezoelectric layer on the support, and resonators each including a functional electrode provided to the piezoelectric layer. The support is provided with a hollow portion at a position overlapping at least a portion of each of the resonators in plan...