Aluminum nitride ceramic is made of aluminum nitride powder as the raw material, after forming and sintering to obtain a stable crystalline phase structure, it has the characteristics of high thermal conductivity, high temperature resistance, good corrosion resistance, light weight, good thermal shock resistance and oxidation resistance, it is widely used in semiconductor (substrate), mechanical engineering and petrochemical. Theoretical thermal conductivity can reach up to 320W/(K*m), for actual products, it may influenced by AlN the purity, sintering additive and process, thermal conductivity is from 170 to 230W/(K*m). Usually AlN ceramic is divided to a few types based on their thermal conductivity, appropriate type AlN can be selected according to application scenario and parameter requirements.
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