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Special customization Aluminum nitride ceramic Thermal insulation cap

Ceramic material: aluminium nitride ceramic
Processing precision: ±0.001mm
Product characteristics: wear-resistant, high strength, high toughness
Customised processing: according to drawings and samples.
  • 07017

Aluminum nitride (AlN)

Aluminum Nitride Properties Aluminum nitride (AlN) is a solid nitride of aluminum with a high thermal conductivity of up to 321 W/(m·K) and is an electrical insulator.

This material is highly advantageous due to its exceptional thermal conductivity, thermal radiation, thermal shock resistance, and electrical insulation properties. It also exhibits a thermal expansion that is well-matched with Si wafers. Moreover, it possesses remarkable resistance to thermal shock, allowing it to endure rapid heating and cooling processes. Additionally, its low thermal expansion makes it highly suitable for use with silicon. Notably, this material also demonstrates excellent resistance to corrosion caused by fluorine-based gases.

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


We understand the significance of customization when it comes to sizes and shapes. Our skilled team excels in creating intricate shapes with accurate dimensions. To meet your specific requirements, please provide us with the height, bottom diameter, top diameter, wall thickness, and any special requests you may have. By sharing detailed drawings, we can streamline the quotation process and deliver results more efficiently. Your satisfaction is our top priority, and we are excited to work together with you.

What is Aluminium Nitride used for?  

a. Heat sinks & Heat spreaders
b. Electrical insulators
c. Chucks and c

Materail Properties  

Item Data Unit
Color Grey -
Density 3.30 g/cm3
Surface roughness Ra 0.01~0.7 um
Bending Strength 450 MPa
Moh's hardness 8 -
Thermal conductivity 180 25°C,W/(m·k)
Coefficient of Thermal Expansion 4 10-6/°C,100°C
Dielectric Constant 8.8 1MHz
Dielectric loss <3 1MHz,10-4
Electrical Resistivity >1014 25°C,Ω.cm
Dielectric strength 17 KV/mm

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