ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,540, issued on Jan. 20, was assigned to MURATA MANUFACUTURING 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 and first and second electrodes. The piezoelectric layer is made of lithium niobate or lithium tantalate. The first electrode and the second electrode oppose each other in a direction intersecting with a thickness direction of the piezoelectric layer. The first electrode and the second electrode are electrodes adjacent to each other. d/p is about 0.5 or smaller, where d is a thickness of the ...