silicon nitride ceramics basic chip integrated electronic circuit military technology electric automobile

product name:Silicon nitride ceramic basic chip

product description:

Silicon nitride ceramic substrate is a ceramic substrate with silicon nitride ( SI3N4 ) as the main crystal phase, also known as silicon nitride ceramic substrate. The molecular formula of silicon nitride is SI3N4, the relative molecular mass is 140.28, the hexagonal crystal system, and the crystal is hexahedron. Silicon nitride ceramic is a kind of high temperature heat-resistant material. Its thermal conductivity is more than 5 times higher than that of alumina ceramic, and its expansion coefficient is low, which is consistent with the performance of silicon. The substrate made of silicon nitride ceramics as the main raw material has excellent characteristics such as high thermal conductivity, low expansion coefficient, high strength, corrosion resistance, excellent electrical properties, and good light transmission. It is an ideal heat dissipation substrate and packaging material for large-scale integrated circuits. At the same time, silicon nitride also has excellent mechanical properties and machinability, high temperature resistant ceramics, corrosion resistant ceramics, wear-resistant ceramics, diamagnetic ceramics, insulating ceramics and self-lubricating ceramics.

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