Bright & Dark Field SEM STEM Detector
A retractable PN diode semiconductor STEM detector configured with four Dark Field (DF) diodes wired as two pairs and a single Bright Field (BF) diode. The system may be operated in BF mode, DF mode or DF Phase Contrast mode along with mixing between segments, DF+BF for example.
Twelve 3mm grids can be fitted to the standard STEM grid holder, allowing multiple specimen analysis. A retractable arm complete with Deben Gen5 electronics allows the STEM Detector to be used with any SEM with a free chamber port and AUX video input. The 12 position grid holder is airlock compatible and supplied complete with stage dovetail/sledge as required.

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