Research Article
Design and Analysis Comparison of Surface Acoustic Wave-Based Sensors for Fabrication Using Additive Manufacturing
Table 1
Mechanical properties of some commonly available piezoelectric substrates.
| Material | Orientation | Thermal coefficient (10-6/°C) | SAW velocity (m/s) | Coupling coefficient (%) |
| Lithium niobate | Y, Z | 94 | 3488 | 4.6 | Lithium niobate | 1280-Y, X | 75 | 3992 | 5.6 | Lithium tantalate | Y, Z | 35 | 3230 | 0.66 | Lithium tantalate | X-1120, Y | 22.3 | 3295 | 0.75 | Langasite | Y, X | 38 | 2330 | 0.37 | Quartz | Y, X | -24 | 3159 | 0 | Quartz | Y ST, X | 0 | 3159 | 0.16 |
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