ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,901, issued on June 17, was assigned to KYOCERA Corp. (Kyoto, Japan).
"Elastic wave element, ladder filter, demultiplexer, and communication apparatus" was invented by Toshiya Kimura (Kyotanabe, Japan) and Shigeyuki Kikuchi (Omiyahata, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "To achieve an elastic wave element with excellent electrical characteristics. An elastic wave resonator includes a piezoelectric substrate including a piezoelectric body and an IDT electrode, a support substrate, and a first intermediate layer. In the first intermediate layer, an atomic ratio of a metal element is larger than an atomic ratio of a metal element in th...