ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,501, issued on Jan. 27, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Acoustic wave device" was invented by Tetsuya Kimura (Nagaokakyo, Japan) and Shintaro Kubo (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, a piezoelectric layer on the support, and an excitation electrode on the piezoelectric layer. A cavity portion is provided in the support and overlaps at least a portion of the excitation electrode. A portion of the piezoelectric layer that overlaps the cavity portion is a membrane portion. The membrane portion includes first and second ...