What is aluminum nitride? ? Aluminum nitride This atomic crystal is a diamond-like Nitride, hexagonal crystal system, wurtzite crystal structure. It is non-toxic, safe for children, and can be white or off-white. Aluminum nitride has a high thermal shock value.
The miniaturization and advancement of electronic products has led to electronic circuits and systems that are capable of high integration density and high functionality. Electronic parts have increasingly stringent requirements for their carrier substrate. The breakthrough in high thermal conductivity has been achieved through high integration and miniaturization. It is becoming increasingly difficult for traditional alumina ceramic sub-substrates to meet these development requirements. Aluminum nitride, which has excellent chemical and physical properties, has slowly become the most popular choice in packaging materials.
Attenuation material for microwaves made of aluminum nitride
Microwave attenuation research and applications have gradually spread from military purposes to everyday life. Its purpose is to convert microwave energy to heat energy by the physical mechanism called polarization. The material also exchanges heat energy to the environment via the material, which is being used more frequently in high-power microwave vacuum devices.
AlN has low dielectric losses. AlN is suitable for use as a microwave absorber material. To make Al N-based microwave attenuating clays, it is often combined with metals or ceramics having good electrical and/or thermal conductivity. Current research includes carbon nanotubes, TiB2, and TiC as well as metals such Mo, W, or Cu as conductive additives.
Aluminum nitride, heat-resistant material
Aluminum nitride does not wet with aluminum, calcium and other metals. This makes it ideal for use as a crucible or protective tube, casting mould, mold, etc. Aluminum nitride ceramics may be used in the protection tube for immersion thermocouple. It is able to be used in the molten pools at 8001000 for up to 3000 hours and it will not corrode. destroy. Because aluminum nitride materials can withstand molten salt gallium senide and other substances, the crucible can now be replaced by glass to synthesize gallium senide semiconductors. This allows for complete elimination of silicon pollution and high-purity Gallium arsenide.
Aluminum nitride clays have a high strength at room temperatures and are resistant to temperature changes. They have high thermal conductivity, low thermal expansion coefficients and a relatively high thermal conductivity. It is both a heat-resistant and heat transfer material. It can be used to heat exchangers in gas turbines. Materials that are heat resistant and heat exchange.
AlN ceramic materials are versatile and have many potential markets. They can be used in electronic, electric power, locomotives and aviation.
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