Tungsten coated CVD diamond windows brazed to a metallic support frame have proven to be very useful as transmitting, high-power X-ray anodes. By irradiating the tungsten layer with an high-energy electron beam a single point X-ray source is formed which is perfectly suited for the high-resolution inspection of small objects.

In this application, diamond plays two roles: on the one hand side it acts as an efficient heatspreader that rapidly dissipates the heat from the focus zone, on the other hand side it acts as an X-ray transparent window.

Thus objects under investigation can be positioned very close to the X-ray point source - ideal conditions for the X-ray inspection with high resolution and high magnification.

• Specifications and options:

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  Size	2-20 mm free aperture (typical: 4-10 mm)
  Design	Diamond X-ray transmission targets brazed to custom-designed metallic support frames; compatibility with existing X-ray tubes
  Thickness	100 – 300 µm
  Material	CVD Diamond, "optical grade"
  Surface	Polished, surface roughness < 10 nm rms
  Shapes	Circular or oval free aperture