Patents Examined by Dan O Takaoka
  • BAW resonator and resonator arrangement
    Patent number: 11012053
    Abstract: A filter comprising first and second BAW resonators. The first BAW resonator having a piezoelectric layer, located between a top electrode and a bottom electrode, and a dielectric layer located between the bottom electrode and an additional electrode. Wherein the dielectric layer, the bottom electrode and the additional electrode are configured to provide an additional capacitance in the resonator. The second BAW resonator having at least one less electrode than the first BAW resonator.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: May 18, 2021
    Assignee: Snaptrack, Inc.
    Inventors: Maximilian Schiek, Gilles Moulard, Monika Schmiedgen, Andre Schwobel