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        Home > About CVD Diamond

        The diameter of our CVD diamond wafer can measure up to 70mm,the thickness canbe 0.3mm – 2.5mm. The CVD diamond wafers also can be cut into different geometrical shapes, and according to the customers' requirment we can do the polish work to achieve mirror-like finishes on single side or double sides.

        The performance parameters of CVD diamond we manufacture being close to the natural diamond Ⅱa.

         

        Hardness
        Tensile strength
        Compressive strength
        Friction factor
        8000~10000Kg/mm2
        272 Kg/mm2
        9.8×1013 Kg/mm2
        0.05~1
        Young’s modulus
        Poisson’s ratio
        Density
        Thermal shock factor 
        1.05GPa
        0.22
        3.51g/cm3
        107W/m
        Coefficient of thermal conductivity
        Thermal expansion coefficient
        Resistivity
        Relative permittivity
        8~20W/(cm·K)
        2.3×10-6/℃
        ~106Ω·m
        5.7
        Electron mobility
        Hole mobility
        Electron drift velocity
         bandgap engergy
        2200cm2/V·S
        1800 cm2/V·S
        2.5×107cm/s
        5.45ev