Table 1.
Parameters of geometries for three different QTFs.
| QTF with f0 (kHz) | Length (mm) | Width (mm) | Thickness (mm) | Gap (mm) |
|---|---|---|---|---|
| 30.72 | 3.9 | 0.62 | 0.36 | 0.32 |
| 32.768 | 3.6 | 0.6 | 0.36 | 0.3 |
| 38 | 3.5 | 0.6 | 0.36 | 0.34 |
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