ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,211, issued on May 13, was assigned to RF360 Singapore Pte. Ltd. (Singapore).
"Microacoustic filter with a cavity stack" was invented by Willi Aigner (Moosinning, Germany), Benno Blaschke (Munich) and Christian Ceranski (Munich).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus is disclosed for implementing a microacoustic filter with a cavity stack. In an example aspect, the apparatus includes a microacoustic filter with an electrode structure, a cavity stack, a buffer layer, and a piezoelectric layer. The cavity stack comprises a conductive layer, a substrate layer, and at least two pillars extending past a plane defined by a surface of t...