ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,997, issued on Sept. 23, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Acoustic wave device and ladder filter" was invented by Katsuya Daimon (Nagaokakyo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave device includes a piezoelectric layer including lithium tantalate or lithium niobate, a dielectric film on the piezoelectric layer, the dielectric film including a dielectric material having a higher dielectric constant than that of the lithium tantalate or lithium niobate, and an IDT electrode on the dielectric film."

The patent was filed on May 22, 2023, under Application No. 18/200,013.

*For further inform...