Electron microscopy
 
Measurement of Probe Current
- Practical Electron Microscopy and Database -
- An Online Book -
Microanalysis | EM Book                                                                                   http://www.globalsino.com/EM/        


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Probe currents in TEM and SEM systems can be measured with a picoammeter at the large phosphorus viewing screen or the small phosphorus viewing screen, and at the sample with a faraday cup holder. The currents obtained at the Faraday cup can be the currents used for dose calculations.

 

 

 

 

 

 

 

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