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What's new in PerGeos 1.1
The large field-of-view Gaseous Secondary Electron Detector (GSED) has a bore of 1 mm (1000um) (PLA), which is larger than that of the standard GSED.
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As a result of the larger bore of 1mm, the maximum field of view in Low-vacuum mode is increased to around 1 mm, so that the minimum available magnification is reduced with a factor two to 125x, as compared to the standard GSED detector. The maximum specimen chamber pressure with wide-angle detector option installed is 7.5 mbar (5.6 Torr, 750 Pa). The large field-of-view GSED and the standard GSED can easily be interchanged.
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