Summary

• Figure Caption: Simple sketch of an Environmental Scanning Electron Microscope (ESEM), where a differential pumping system with two pressure limiting apertures between the ultra high vacuum SEM column and the low vacuum sample chamber allows high pressures up to 10 hPa around the sample. This is enough to have liquid water at moderate cooling of 5 deg. C.

• This illustration was made for the Opensource Handbook of Nanoscience and Nanotechnology

• Please acknowledge the Opensource Handbook of Nanoscience and Nanotechnology if you use this illustration!

• The image also appears on the Commons/nanotechnology page

• Illustration by Kristian Molhave

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