Liquid-helium stage in a scanning electron microscope

A liquid-helium stage to be inserted into a scanning electron microscope (SEM) is described. The sample chamber, which is filled with liquid helium, has a volume of about 8 × 7 × 5 cm 3. Translation of the cooled sample in x, y, and z directions is possible during electron-optical observation. Since...

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Bibliographic Details
Published in:Cryogenics (Guildford) 1979-01, Vol.19 (8), p.472-473
Main Authors: Stöhr, P.L., Huebener, R.P.
Format: Article
Language:English
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Summary:A liquid-helium stage to be inserted into a scanning electron microscope (SEM) is described. The sample chamber, which is filled with liquid helium, has a volume of about 8 × 7 × 5 cm 3. Translation of the cooled sample in x, y, and z directions is possible during electron-optical observation. Since mounting the liquid-helium stage to the SEM can be performed in less than 30 min, switching the SEM from regular operation at room temperature to the low-temperature mode and back is relatively easy. After cooling the system to 4.2 K, a 3 litre helium reservoir allows experimentation near 4.2 K for about 5 h.
ISSN:0011-2275
1879-2235
DOI:10.1016/0011-2275(79)90057-2