Diamond-Like Carbon Sheet

Polycrystalline diamond sheet is prepared by a chemical vapor deposition (CVD) process, the diamond sheet being supported on a suitable substrate of a given orientation - generally a high purity silicon wafer is used. Alternatively, depending upon the thickness of the sheet, it can be free standing. Normally, the surface finish of the material is ‘as deposited’, although the material can be supplied lapped or polished, at extra cost. The thermal conductivity, grain size, transparency and surface roughness depend upon the thickness of the CVD polycrystalline diamond sheet. Its applications include ultra thin X-Ray windows, radiation detectors for heavy ions, luminescence screens that remain in the beam during measurement, stripper sheets for the generation of highly ionized particles, sheets for laser acceleration.

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