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TopsilModel FZ-HPS -High Purity Silicon

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Characterised by the highest resistivity range in the market, Topsil Hyper Pure silicon (HPS) is the preferred choice for optoelectronic devices such as infrared detectors, terahertz systems, x-ray mirrors, and silicon lenses, as well as power semiconductors.

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The silicon wafers allow for higher energy resolution and shorter shaping times of detectors used in e.g. space science, crystallography and the medical industry. The UHPS wafers are characterised by:

  • Crystal perfectness
  • Optimised resistivity variation
  • Precise doping uniformity
  • Precise resistivity control

Topsil UHPS silicon substrate has very homogeneous distribution and is available as 100 and 150 mm wafers.