ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,575, issued on July 14, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Acoustic wave device" was invented by Naoki Oshima (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave device includes a piezoelectric layer, an IDT electrode including electrode fingers, and a dielectric film covering the IDT electrode. When viewed in a direction orthogonal to a direction in which the electrode fingers extend, an area where adjacent two or more of the electrode fingers overlap one another is an intersecting area. The acoustic wave device further includes a thin-film layer at least a portion of which is embedded in t...