
Calibration
Autocalibration
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due to the unusual movements employed during Capture Calibration
scanning. Regardless, features are separated by the same (e.g., 10µm) spacings.
7. Continue drawing lines and entering measured distances until all Capture Calibration
images are measured. When the software is finished, it prompts the user that it is done.
If Capture Calibration and Autocalibration routines are completed correctly, the SPM is
calibrated within 1-2 percent accuracy over most of the scanner’s measuring range. To obtain still
better accuracy, the SPM can be fine-tuned to obtain maximum measuring accuracy. This is
accomplished through the use of calibration parameters discussed in Section 17.7.
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