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Electron Microscopy Solutions

Helix Detector

The unique Helix Low-Vacuum SE Detector allows for imaging specimens with the Immersion Lens in low-vacuum mode which is mounted under the final lens.





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Key Benefits:

  • To make ultra-high resolution pictures of non-conductive in low-vacuum mode
  • To make ultra-high resolution pictures of fast contamination samples in low-vacuum mode
  • Optimize signal collection in a gaseous environments when using very small probe currents
  • The gas ionization process indirectly suppresses build-up of contamination at sample surfaces prone to contamination (such as surfaces grown in a wet chemistry or CVD environment)

 Notes:

It is possible to make ultra-high resolution pictures of non-conductive or fast contamination samples in low-vacuum mode. As the detector has an inner diameter of 0.5 mm, its minimum magnification is limited.

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