Electron microscopy
Aluminum Applied in EM Systems
- Practical Electron Microscopy and Database -
- An Online Book -
Microanalysis | EM 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.


The fluorescent screen plate in TEM is made of aluminum coated with phosphor powder, while the viewing window is made of lead glass to shield the hard X-rays generated in the TEM. For the same reason, the lead glass is thicker for higher accelerating voltages so that it is more difficult to observe the fine contrast through the screen in a higher voltage TEM. Therefore, we usually use a television (TV) camera that is installed below the camera chamber instead of viewing through the lead glass screen.



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