ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,677, issued on March 31, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Acoustic wave device" was invented by Minefumi Ouchi (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave device includes a piezoelectric layer including first and second main surfaces facing each other, an IDT electrode on the first main surface and including first and second busbars facing each other and electrode fingers, a first conductor on the second main surface and facing the first busbar with the piezoelectric layer therebetween, and a support on the second main surface and supporting the piezoelectric layer. A cavity that ...