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Diamond substrates can be used in thermal management components for optical communications, chips, laser diode arrays, 5G base stations, aerospace, and high-power electronic devices.

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CVD Single-Crystal & Polycrystalline Diamond HeatSinks


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Product Details

CVD Single-Crystal Polycrystalline Diamond HeatSinks  

 Performance Parameter

Thermal conductivity

Single-Crystal diamond   

1800-2000W/MK

Polycrystalline  

500-1800W/MK

Thickness range

0.2~3.0mm

0.2~2.0mm

Size range

According to customer requirements

According to customer 

requirements

Thickness tolerance

±0.02mm

±0.02mm

Ra

Ra10nm

Ra10nm

Heat stability

Above 800°C in the atmosphere; 

above 1200°C in a vacuum.

Above 800°C in the atmosphere;

 above 1200°C in a vacuum.

Coefficient of Thermal Expansion

1.1*10-6k-1(Room temperature)

1.1*10-6k-1(Room temperature)

Dielectric strength

20kv/mm

20kV/mm

Applications: 

Diamond substrates can be used in thermal management components for optical communications, chips, laser diode arrays, 5G base stations, aerospace, and high-power electronic devices.

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