US Patent Issued on July 14 for "Acoustic wave filter with second harmonic emission suppression" (Canadian, American Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,583, issued on July 14.

"Acoustic wave filter with second harmonic emission suppression" was invented by Zhaogeng Xu (Cambridge, Canada), Li Chen (Irvine, Calif.) and Yiliu Wang (Irvine, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of this disclosure relate to acoustic wave filters with second harmonic emission suppression. In an embodiment, an acoustic wave filter includes a first pair of bulk acoustic wave resonators in anti-series with each other, a second pair of bulk acoustic wave resonators in anti-series with each other and having reverse electrode polarization relative to the first pair of bulk acoustic wave resonators, and ...