In the electronics industry, aluminium nitride ceramics are widely used
Why is aluminium nitride ceramics commonly used in the electronics industry?
Trunnano is a professional manufacturer of boron nitride, aluminium nitride, and boron nitride powder. It is very authoritative in the production of aluminium nitride. Let me tell you how Dr Trunnano answers this question.
1. Aluminium nitride powder has high purity, small particle size and significant activity, and is the primary raw material for manufacturing upper thermal conductivity aluminium nitride ceramic substrate.
2. Aluminium nitride ceramic substrate has high thermal conductivity, low expansion coefficient, high strength, high-temperature resistance, chemical corrosion resistance, high resistivity, and low dielectric loss. It is an ideal large-scale integrated circuit heat dissipation substrate and packaging material.
3. Aluminium nitride has high hardness and surpasses traditional alumina. It is a new type of wear-resistant ceramic material, but due to its high cost, it can only be used in parts with severe wear.
4. Using AIN ceramic's heat resistance, melt erosion resistance and thermal shock resistance, it can be used to make GaAs crystal crucible, Al evaporation dish, magnetic fluid power generation device and high-temperature turbine corrosion-resistant parts, and use its optical properties as an infrared window. Aluminium nitride film can be made into high-frequency piezoelectric elements, ultra-large-scale integrated circuit substrates, etc.
5. Aluminium nitride is heat-resistant and resistant to corrosion by molten metal, stable to acid, but easily eroded in alkaline solution. The new surface of AIN will react with moist air to form a fragile oxide film. Using this feature, it can be used as a crucible for smelting metals such as aluminium, copper, silver, and lead, and as a mould material. AIN ceramics have excellent metallization properties and can replace toxic oxidation-sensitive ceramics and are widely used in the electronics industry.
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