Elmo – glow discharge system

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Telephone: +31 (0)162 383100

Glow discharge system ELMO for EM grids

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Hydrophilic or hydrophobic, Negative or Positive charge

A Glow Discharge treatment with a specific gas atmosphere will modify the surface properties of TEM support films or grids in order to optimize the adsorption of the solutions to spread.

TEM carbon support films have a hydrophobic tendency. A glow discharge treatment with air makes the carbon film surface negatively charged and hydrophilic which allows an adsorption of aqueous solutions.

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Telephone: +31 (0)162 383100
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Read more about the ELMO


IT is:



  • Quick and easy loading of films or grids
  • Intuitive operation with manual
  • or programmed mode
  • Real-time display of process
  • parameters (current, vacuum, time)




  • Glow discharge methods: hydrophilic or hydrophobic, negative or positive charge
  • Dual vacuum Bell Jars to avoid cross contamination
  • Anti-implosion glass for an easy cleaning and a high secured process





  • Accurate injection control of gas or liquids
  • Accurate vacuum control using Pirani gauge
  • Soft venting (air or neutral gas) using quick inlet fitting

Hieronder een presentatie video van de ELMO

A glow discharge is a plasma formed by the passage of electric current through a low-pressure gas. It is created by applying a voltage between two metal electrodes in a glass tube containing gas. When the voltage exceeds a certain value called the striking voltage, the gas in the tube ionizes, becoming a plasma, and begins conducting electricity, causing it to glow with a colored light.

(source Wikipedia)


visit also http://www.cordouan-tech.com