ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,156, issued on Feb. 17, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Acoustic wave device" was invented by Sho Nagatomo (Nagaokakyo, Japan), Minefumi Ouchi (Nagaokakyo, Japan), Naohiro Nodake (Nagaokakyo, Japan) and Tetsuya Kimura (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave device includes a support substrate, a piezoelectric layer overlapping the support substrate viewed in a first direction, a functional electrode on at least a first main surface of the piezoelectric layer, and a wiring electrode connected to the functional electrode. A space is provided on a second main surface side opposit...