Surface chemical analysis. Scanning-probe microscopy. Determination of geometric quantities using SPM: Calibration of measuring systems
71.040.40 - Chemical analysis
This document specifies methods for characterizing and calibrating the scan axes of scanning-probe microscopes (SPMs) for measuring geometric quantities at the highest level. It is applicable to those providing further calibrations and is not intended for general industry use, where a lower level of calibration might be required.
This document has the following objectives:
to increase the comparability of measurements of geometrical quantities made using SPMs by traceability to the unit of length;
to define the minimum requirements for the calibration process and the conditions of acceptance;
to ascertain the instrument's ability to be calibrated (assignment of a “calibrate-ability” category to the instrument);
to define the scope of the calibration (conditions of measurement and environments, ranges of measurement, temporal stability, transferability);
to provide a model, in accordance with ISO/IEC Guide 98-3 , to calculate the uncertainty for simple geometrical quantities in measurements using an SPM;
to define the requirements for reporting results.
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