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          Custom-made Ceramic
          and Glass Components

          High Thermal Conductivity Silicon Nitride

          Goodfellow can now offer high thermal conductivity Silicon Nitride. This material is ideal for specialist applications, and offers several benefits.

          • High thermal conductivity of 100W/mK. Which is 4X higher than standard Silicon Nitride. 
          • High fracture toughness. 
          • Can be polished to a surface roughness of Ra = 0.02um.  
          • Excellent mechanical properties.

          Typical Properties of this material

          Properties

          Units

          High Thermal Conductivity Silicon Nitride

          Density

          g/cm3

          3.3

          Flexural Strength

          (25°C) (MPa)

          700

          Linear Expansion Coefficient

          (25-800°C) (1/K)

          3x10-6

          Thermal Conductivity

          W/mK

          100

          Youngs Modulus

          GPa

          312

          Poissons Ratio

           

          0.29

          Volume Resistivity

           

          >1013

          Typical Applications

          • Power module substrates
          • Various types of heat sinks
          • LED mounting substrates
          • High frequency circuit substrates

          Shapes and sizes available

          The standard substrate size is 100mm x 100mm with a 0.32mm thickness. Different sizes and thicknesses are available upon request.

           

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          东北嫖老熟女正在播放
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