TABLE II.
MATERIAL THICKNESSES AND RELEVANT LAYER PROPERTIES IN THE INTEGRATED DF PROBE
| Thickness (mm) | Speed of Sound (m/s) | Density (g/cm3) | Attenuation (dB/mm) | |
|---|---|---|---|---|
| LF Backing | 4.2 | 1960 | 1.11 | 17 |
| LF Layer (Tx) | 0.75 | 3370 | 3.19 | - |
| LF Matching #1 | 0.25 | 1989 | 3.44 | 16 |
| LF Matching #2 | 0.33 | 2670 | 1.19 | - |
| HF Stack | MX250 (FUJIFILM-VisualSonics Inc.) | |||
Attenuation was measured at 30 MHz.