US Patent Issued to Qorvo US on Sept. 23 for "Top electrodes and dielectric spacer layers for bulk acoustic wave resonators" (Florida Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,002, issued on Sept. 23, was assigned to Qorvo US Inc. (Greensboro, N.C.).

"Top electrodes and dielectric spacer layers for bulk acoustic wave resonators" was invented by Alireza Tajic (Winter Springs, Fla.), Paul Stokes (Orlando, Fla.) and Robert Aigner (Ocoee, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Bulk acoustic wave (BAW) resonators and particularly top electrodes with step arrangements for BAW resonators are disclosed. Top electrodes on piezoelectric layers are disclosed that include a border (BO) region with a dual-step arrangement where an inner step and an outer step are formed with increasing heights toward peripheral edges of ...