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Ceramic Material with Very High Thermal Conductivity

Aluminum Nitride (AlN)

Aluminum nitride (AlN) is a technical ceramic material that features an extremely interesting combination of very high thermal conductivity and excellent electrical insulation properties.

This makes aluminum nitride predestined for use in power and microelectronics applications. For example, it is used as a circuit carrier (substrate) in semiconductors or as a heat-sink in LED lighting technology or high-power electronics.

Non oxide Ceramics Aluminum Nitride Materials
Properties of Aluminum Nitride (AlN)
  • High thermal conductivity
  • High electrical insulation capacity
  • Low thermal expansion
  • Good metalization capacity

Comparison of the Properties of selected Ceramic Materials

Spider diagram shows the properties of various ceramic materials for substrates
Material Properties


Datasheet - Advanced Ceramics for Electronic Applications
Material properties of Rubalit®, Alunit® (Aluminum Nitride AlN) and Zirkolit®
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