Corrosion Resistant X-Ray Windows – Moxtek DuraBeryllium

Moxtek’s DuraBeryllium X-Ray Windows consist of an ultra-thin layer of DuraCoat and high purity beryllium. DuraCoat is a refractory coating material and contains elements that are lighter than sodium. When applied to beryllium, DuraCoat produces a hermetic window which is resistant to corrosion and can be utilized for ultra-high vacuum applications.

DuraBeryllium windows are also resistant to light abrasion, atmospheric moisture and many chemicals. They do not pose a health hazard and can be cleaned using most solvents. Moxtek can attach and coat beryllium windows as thin as 8µm.

In addition, adhesive bonded DuraBeryllium and Beryllium windows can be exposed to more than 100°C temperatures at 1atm differential pressure on certain mount designs. Brazed DuraBeryllium windows can endure temperatures up to 350°C in air and 400°C in vacuum.

Key Features

The main features of the DuraBeryllium windows are:

  • High purity
  • Uniform thickness
  • Hermetic seal
  • Corrosion resistance
  • Low cost
  • Minimal spectral contamination
  • High temperature exposure
  • Constant transmission across entire window
  • High transmission of low energy x-rays
  • Metal diffusion bond (optional)
  • Epoxy adhesive (optional)

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