US Patent Issued to Skyworks Solutions on June 9 for "Multilayer piezoelectric substrate device with negative temperature coefficient of frequency dielectric film for temperature stability" (Japanese Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,652,023, issued on June 9, was assigned to Skyworks Solutions Inc. (Irvine, Calif.).

"Multilayer piezoelectric substrate device with negative temperature coefficient of frequency dielectric film for temperature stability" was invented by Rei Goto (Osaka, Japan) and Hironori Fukuhara (Ibaraki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic wave filter includes a substrate and a piezoelectric layer over the substrate. First acoustic wave resonators are disposed over the piezoelectric layer and arranged in series along a first branch, and second acoustic wave resonators are disposed over the piezoelectric layer, arranged in parallel, and c...