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Electron Beam Evaporator Facility

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Description

  • Coating deposition via material evaporation under vacuum.
  • 10 kV, 1-A electron beam used to heat and evaporate deposition materials.
  • Deposition actively monitored with quartz crystal monitor.
  • Vacuum bell jar uses Helium cryogenic pump to provide clean system.
[Vacuum Bell Jar]

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Features

  • Four-pocket gun allows deposition of up to four different materials without breaking vacuum.
  • 10-6- torr base operating pressure.
  • Deposition of very high melting-point materials such as refractory metals and ceramics.
  • High rates of Aluminum deposition.

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Research Projects:

  • Supports research programs requiring thin-film deposition technology.
  • Thin film reflective and protective coatings deposited on concentrators for solar applications.
  • Thin-film deposition of catalytic material onto high surface area samples.
  • Protective coating deposition on high-emittance surfaces performed for heat receiver application research.

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Potential Uses

  • Providing mirror surfaces for optics.

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Abstracts

 

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Curator:  Sandra.A.Zolo@nasa.gov and NASA Official Responsible For Content:  Sharon.K.Miller@grc.nasa.gov 
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Last Updated:09/22/2008