ASTM International - ASTM E766-14(2019)
Standard Practice for Calibrating the Magnification of a Scanning Electron Microscope
| Organization: | ASTM International |
| Publication Date: | 1 November 2019 |
| Status: | active |
| Page Count: | 6 |
| ICS Code (Optical equipment): | 37.020 |
significance And Use:
4.1 Proper use of this practice can yield calibrated magnifications with precision of 5 % or better within a magnification range of from 10 to 50 000X.
4.2 The use of calibration specimens... View More
scope:
1.1 This practice covers general procedures necessary for the calibration of magnification of scanning electron microscopes. The relationship between true magnification and indicated magnification is a complicated function of operating conditions.2 Therefore, this practice must be applied to each set of standard operating conditions to be used.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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