Solid State Detectors (SSD) for EDS Measurements
- 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.

 

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The X-ray signal in electron microscopes is usually collected by compact solid state detectors based on lithium-drifted silicon diodes. The X-ray photon is sorted by energy, hence the alternative names for X-ray fluorescence analysis are Energy Dispersive X-ray Spectroscopy (EDS or EDX).

The solid-state EDS detectors are attached to the columns of the electron microscopes and normally consist of a collimator, window, lithium-drifted silicon detector, field effect transistor (FET), Dewar, and preamp as shown in Figure 4656.

Schematic illustration of basic structure of an EDS detector with a solid state crystal

Figure 4656. Schematic illustration of basic structure of an EDS detector with a solid state crystal.

 

 

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