Aluminum Nitride (AlN) ceramic sheet are high-performance ceramic components crafted from aluminum nitride, a cutting-edge technical ceramic renowned for its exceptional thermal conductivity and electrical insulation. These discs are engineered to meet rigorous demands in industries requiring precise thermal management, electrical isolation, and resistance to extreme conditions. AlN ceramic discs are manufactured through advanced sintering and machining processes, ensuring high dimensional accuracy and surface finish for critical applications.

Advantages

1. Ultra-High Thermal Conductivity (170–200 W/m·K):

   • Efficiently dissipates heat in high-power systems, preventing thermal buildup and enhancing device reliability.

2. Low Thermal Expansion (4.5×10⁻⁶/°C):

   • Matches silicon and other semiconductor materials, minimizing thermal stress in electronic assemblies.

3. Electrical Insulation:

   • High dielectric strength (>15 kV/mm) ensures safe operation in high-voltage environments.

4. Chemical Stability:

   • Resists corrosion from acids, alkalis, and molten metals, ideal for harsh industrial environments.

5. Mechanical Durability:

   • High hardness (Vickers hardness ≈12 GPa) and wear resistance for long-term performance under mechanical stress.

6. Lightweight Design:

   • Low density (3.26 g/cm³) reduces system weight while maintaining structural integrity.

7. High-Temperature Resistance:

   • Stable in temperatures up to 1400°C in inert atmospheres, suitable for extreme thermal cycles.

Applications

• Electronics & Semiconductors:

  • Heat Sinks: Thermal management for power modules, IGBTs, and RF devices.

  • Substrates: Base plates for LED packaging, laser diodes, and high-frequency circuits.

• Automotive & EVs:

  • Power Electronics: Insulating discs for inverters, onboard chargers, and battery systems.

  • Sensors: High-temperature sensor components for exhaust and combustion monitoring.

• Aerospace & Defense:

  • Radar Systems: RF windows and radomes with low signal loss and thermal stability.

  • Satellite Components: Lightweight structural discs resistant to radiation and thermal cycling.

• Industrial Machinery:

  • Welding Nozzles: Durable discs for laser welding and cutting systems.

  • Corrosion-Resistant Liners: Protective discs in chemical reactors and pumps.

• Energy Systems:

  • Solar Power: Insulating discs for concentrated solar panels and power converters.

  • Nuclear Reactors: Radiation-resistant instrumentation components.

• Medical Devices:

  • Laser Equipment: Heat-dissipating discs in surgical and diagnostic lasers.

  • Imaging Systems: Precision components for MRI and X-ray machines.

Aluminum Nitride ceramic discs are pivotal in advancing technologies where thermal efficiency, electrical isolation, and reliability are non-negotiable. Their versatility makes them indispensable in next-generation electronics, energy systems, and industrial innovations.