Issued Patents 2005
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975183 | BAW resonator having piezoelectric layers oriented in opposed directions | Robert Aigner, Martin Handtmann, Winfried Nessler | 2005-12-13 |
| 6933807 | Acoustic reflector for a BAW resonator providing specified reflection of both shear waves and longitudinal waves | Gernot Fattinger, Robert Aigner, Jyrki Kaitila | 2005-08-23 |
| 6909340 | Bulk acoustic wave filter utilizing resonators with different aspect ratios | Robert Aigner, Winfried Nessler, Luder Elbrecht | 2005-06-21 |
| 6878604 | Semiconductor element comprising a sequence of layers for converting acoustic or thermal signal and electrical voltage changes into each other and method for producing the same | Robert Aigner, Lueder Elbrecht, Thomas Rainer Herzog, Winfried Nessler | 2005-04-12 |
| 6864619 | Piezoelectric resonator device having detuning layer sequence | Robert Aigner, Elbrecht Lueder, Winfried Nessler | 2005-03-08 |
| 6841922 | Piezoelectric resonator apparatus with acoustic reflector | Robert Aigner, Lueder Elbrecht, Hans-Joerg Timme | 2005-01-11 |