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CVD diamond is an excellent insulation material, it is a ideal heat sink material in the high-power electronic and optoelectronic devices .

• Thermal conductivity 1200~ 2000W/m•K (@ 300K),
• Resistivity >106Ω•cm.
• Coefficient of thermal expansion ～1.4×10-6℃-1
• Single or double sided polishing available, Between 0.2 mm and 1.5 mm.
• Tolerance of Thickness: ±30um.
• Surface roughness: Ra 0.03μm.
• Flatness: <5um/cm.
• serve as heat sink in laser diodes , as packaging materials in high-density integrated circuits and power microwave devices.