US Patent Issued to Skyworks Global on May 27 for "Methods related to gradient raised frames in film bulk acoustic resonators" (South Korean, American Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,296, issued on May 27, was assigned to Skyworks Global Pte. Ltd. (Singapore).

"Methods related to gradient raised frames in film bulk acoustic resonators" was invented by Jiansong Liu (Irvine, Calif.), Kwang Jae Shin (Yongin, South Korea), Jae Hyung Lee (Seoul, South Korea), Benjamin Paul Abbott (Irvine, Calif.) and Chun Sing Lam (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods related to gradient raised frames in film bulk acoustic resonators. According to certain aspects, a method for fabricating a film bulk acoustic resonator device can include: forming a first metal layer over a substrate; forming a piezoelectric layer; f...