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Measurement results of different standard samples.
| Sample Name | Thickness (mm) | Density (g/cm3) | Resonant Frequency Point (GHz) | HPPFD (GHz) | Permittivity | Loss Tangent |
|---|---|---|---|---|---|---|
| Quartz | 1.50 | 2.20 | 10.0437 | 0.0059 | 4.1 | 4.7 × 10−4 |
| PTFE 1 | 2.00 | 2.28 | 10.0581 | 0.0037 | 2.1 | 6.9 × 10−4 |
| PTFE 2 | 3.00 | 2.24 | 9.9391 | 0.0056 | 2.0 | 4.5 × 10−4 |
| Silicon oxide ceramics | 1.96 | 1.57 | 10.0126 | 0.0276 | 3.0 | 3.7 × 10−3 |
