Converging-Lens Control System in EMs
- Practical Electron Microscopy and Database -
- An Online Book -

http://www.globalsino.com/EM/  



 

This book (Practical Electron Microscopy and Database) is a reference for TEM and SEM students, operators, engineers, technicians, managers, and researchers. You can click How to Cite This Book to cite this book. Please let Dr. Liao know once you have cited this book so that the brief information of your publication can appear on the “Times Cited” page. This appearance can also help advertise your publication.

 

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Figure 4227 shows an example of SEM systems. In all EMs (electron microscopes), the electron beam is converged narrowly by a condenser coil as the converging lens is controlled by a converging-lens control system.

Example of computer-controlled EMs: SEM system

Figure 4227. Example of computer-controlled EMs: SEM system.

 

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