Quartz
Quartz, or fused silica, can be machined like any other ceramic material thanks to diamond tools. Microcertec can then manufacture customized parts made of quartz with various sizes and shapes, high level of precision but no particular specified optical performances. The main properties of quartz are its low coefficient of thermal expansion and thermal conductivity, as well as good electrical insulation. From an optical point of view, quartz is in general transparent to infra-red wavelenghts.
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Microcertec uses standard grades of quartz from well-known producers like GE or Heraeus. We machine both quartz standard quality as well as semiconductor and optical grade quartz.
From a general point of view quartz exhibits :
- good electrical insulation
- very low coefficient of thermal expansion
- good thermal insulation
- good thermal resistance
- transparence to infra-reds
- good vacuum compatibilty
Quartz is mainly used as :
- electrical insulators
- thermal insulators
- structural parts