Process | Average (nm) | Standard deviation s |
Before milling | 170.0 ± 4.6 | 0.31 |
NP1 | 133.6 ± 6.6 | 0.42 |
NP2 | 142.8 ± 8.2 | 0.23 |
SP1 | 93.5 ± 7.3 | 0.47 |
SP2 | 86.5 ± 6.1 | 0.46 |