Table 2. Results Table.
Frequency | Material | Rmax (μm) | tmax (μs) | tc (μs) |
---|---|---|---|---|
345 kHz | ||||
Water | 617.2±61.8 | 75 | 200 | |
E=1.13 kPa | 600.1±70.9 | 65 | 190 | |
E=21.7 kPa | 398.8±102.5 | 40 | 150 | |
E=242 kPa | 216.1±22.3 | 20 | 64 | |
E=570 kPa | 163.9±37.2 | 12 | 40 | |
500 kHz | ||||
Water | 387.9±43.9 | 48 | 100 | |
E=1.13 kPa | 380.3±34.0 | 48 | 100 | |
E=21.7 kPa | 297.4±50.5 | 28 | 72 | |
E=242 kPa | 98.3±25.3 | 8.0 | 26 | |
E=570 kPa | 71.8±15.1 | 8.0 | 24 | |
1.5 MHz | ||||
Water | 114.1±18.9 | 12.0 | 36.0 | |
E=1.13 kPa | 111.5±14.5 | 14.0 | 32.0 | |
E=21.7 kPa | 79.5±11.5 | 10.0 | 32.0 | |
E=242 kPa | 42.1±7.9 | 5.0 | 12 | |
E=570 kPa | 20.6±4.1 | 1.0 | 5.0 | |
3 MHz | ||||
Water | 64.8±7.9 | 8.0 | 20 | |
E=1.13kPa | 65.2±7.0 | 8.0 | 18 | |
E=21.7 kPa | 34.3±8.5 | 5.0 | 10 | |
E=242 kPa | 18.0±5.3 | 3.0 | 7.0 | |
E=570 kPa | 11.0±4.4 | 1.0 | 2.5 |