US Patent Issued to MURATA MANUFACTURING on April 29 for "Surface acoustic wave device and filter device" (Japanese Inventor)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,093, issued on April 29, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Surface acoustic wave device and filter device" was invented by Masakazu Mimura (Nagaokakyo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surface acoustic wave device includes a piezoelectric substrate made of Thetadeg rotated Y-cut X-propagation LiNbO3 having a cut angle Theta, an IDT electrode on the piezoelectric substrate and including a plurality of electrode fingers, and a dielectric film on the piezoelectric substrate and covering the IDT electrode. The IDT electrode includes a main electrode layer and an auxiliary conductive layer. The main elect...