Technology for Fundamental Improvement of an Extremely Low-Quality Video Signal for Use in Fine Focusing and Astigmatism Correction in Scanning Electron Microscopy

<div>Experimental system for signal quality improvement during focusing. Numerous ideas to improve the quality of the SEM video signals used for fine focusing and astigmatism correction are available.</div>

Scanning

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Figure 1

Figure 1: Technology for Fundamental Improvement of an Extremely Low-Quality Video Signal for Use in Fine Focusing and Astigmatism Correction in Scanning Electron Microscopy 

Figure 1 | Technology for Fundamental Improvement of an Extremely Low-Quality Video Signal for Use in Fine Focusing and Astigmatism Correction in Scanning Electron Microscopy 