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Parameters of the materials selected for the transducer.
| Material | Function | Velocity (m/s) | Density (kg/m3) | Acoustic impedance (MRayl) |
|---|---|---|---|---|
| LiNbO3 single crystal | Piezoelectric element | 7360 | 4688 | 34.5 |
| Parylene | Matching layer | 2350 | 1100 | 2.58 |
| Gold | Matching layer | 3240 | 19 700 | 63.8 |
| Water | Front load | 1540 | 1000 | 1.54 |
| E-Solder 3022 | Conductive backing | 1850 | 3200 | 5.92 |
| EPO-TEK 301 | Insulating epoxy | 2650 | 1150 | 3.05 |
