Aluminium nitride has excellent thermal conductivity (5-10 times that of alumina ceramics), low dielectric constant and dielectric loss, reliable insulation performance, excellent mechanical properties, non-toxic, high temperature resistance, chemical corrosion resistance, and is similar to the thermal expansion coefficient of silicon. Aluminium nitride ceramic is widely used in communication devices, high brightness LEDs, power electronic devices and other industries, It is an ideal heat dissipation substrate and packaging material for large-scale integrated circuits. Our company can produce products of various specifications, sizes and shapes according to customer requirements.
Aluminium nitride substrates is a new generation of high-performance ceramic substrate. It has high thermal conductivity (theoretical value is 319w / m.k, and the thermal conductivity is greater than 140W / m.k), low dielectric constant (8.8) and dielectric loss (~ 4) × 104) and the coefficient of thermal expansion (4.4 × 10-4 / ℃), chemical composition Al 65.81%, N 34.19%, specific gravity 3.261g/cm3, white or gray white, single crystal colorless and transparent, sublimation and decomposition temperature of aluminium nitride substrates is 2450 ℃ at atmospheric pressure.
Aluminium nitride ceramic has high thermal conductivity, good electrical properties, thermal expansion coefficient close to Si chip, high strength, high temperature resistance, chemical corrosion resistance, high resistivity, low dielectric loss and non toxicity. Aluminium nitride is an ideal material to replace BeO ceramics and an ideal heat dissipation substrate and packaging material for large-scale integrated circuits.
Aluminium nitride substrates is mainly used as high-performance substrate materials and packaging materials in high-density hybrid circuits, microwave power devices, power electronic devices, optoelectronic components, semiconductor refrigeration and other products. It is widely used in communication devices, high brightness LED, power electronic devices and other industries.