Axis | Average Precision |
---|
z | 7.540 ± 0.889 nm |
x | 71.481 ± 7.266 μm |
y | 40.009 ± 0.000 μm |
- For z-axis, the 10,000-step-forward movement was performed. The process was repeated 10 times. For x-axis and y-axis movements, 36 movements (18 forward movements and 18 backward movements) of each direction were performed. The distance was measured by a micrometer. For z-axis, the 10,000-step-forward movement allows micrometer to measure its average precision in nano-scale.