Aluminum Nitride Extrusion offers power insulating properties.

Press Release Summary:

Exhibiting uniform thermal conductivity and expansion in all directions, Alunit® allows rod-shaped bodies and tube systems made of ceramic to possess optimal mechanical stability and dielectric strength. Aluminum nitride extrusion features thermal expansion coefficient of approximately 4 ppm/K and high heat conductivity of greater than or equal to 170 W/mK, making it suitable for high-power electronic applications.

Original Press Release:

CeramTec Introduces the World's First Aluminum Nitride Extrusion

The ceramics experts at CeramTec have successfully developed an exceptional thermally conductive aluminum nitride extrusion called Alunit®. This innovative process is the only one of its kind worldwide. It allows rod-shaped bodies and tube systems made of ceramic to possess the characteristics of high mechanical stability and dielectric strength. Alunit® exhibits uniform thermal conductivity and expansion in all directions. Its thermal expansion coefficient rivals that of silicon (approx. 4 ppm/K).

With its outstanding power insulating properties and extremely high heat conductivity (≥ 170 W/mK), Alunit® is perfect for higher-power electronic applications. Alunit® allows the assembly of compact and cost-effective components and hybrids with high integration density. Excellent mechanical strength and a low thermal coefficient of expansion permit problem-free systems integration.

CeramTec North America ( is a wholly owned subsidiary of CeramTec GmbH and a leading manufacturer of high-tech, custom-engineered ceramic solutions, including hermetic components with the Ceramaseal® trademark. CeramTec's products serve a wide variety of applications around the world including: automotive, military/aerospace, electronic and electrical, structural, hermetic, functional, and mechanical industries. ISO 9001:2008

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