US Patent Issued to Teknologian tutkimuskeskus VTT on June 24 for "Loaded resonators for adjusting frequency response of acoustic wave resonators" (Finnish Inventors)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,341,491, issued on June 24, was assigned to Teknologian tutkimuskeskus VTT Oy (Espoo, Finland).

"Loaded resonators for adjusting frequency response of acoustic wave resonators" was invented by Tapani Makkonen (Espoo, Finland), Markku Ylilammi (Espoo, Finland), Tuomas Pensala (Espoo, Finland) and James Dekker (Espoo, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The device includes an acoustic wave filter element, and a first resonator. The acoustic wave filter element includes interdigitated input electrodes and output electrodes located on a top surface of a piezoelectric layer and a counter-electrode on a bottom surface of the piezoelectric l...