Aluminum Nitride Ceramic Plate (AlN)

Product Overview

Aluminum Nitride Ceramic Plate (AlN) is a high-performance ceramic material renowned for its exceptional thermal conductivity, mechanical strength, and electrical properties. It is widely used in high-tech industries, particularly in electronics, energy, and semiconductor fields, as an efficient thermal management material. AlN ceramic plates not only offer excellent high-temperature and corrosion resistance but also excel in electrical insulation and thermal conduction, making them ideal for electronic and high-frequency applications.

Features

• High Thermal Conductivity: With a thermal conductivity of approximately 320 W/m·K, AlN is comparable to BeO and SiC, more than five times greater than Al₂O₃, significantly enhancing thermal management performance.
• Matched Thermal Expansion Coefficient: The thermal expansion coefficient is well-matched with materials like Si (3.5-4 × 10⁻⁶°C) and GaAs (6 × 10⁻⁶°C), making it suitable for high-temperature applications.
• Excellent Electrical Properties: AlN exhibits excellent dielectric constant, dielectric loss, volume resistivity, and dielectric strength, making it ideal for electronic and electrical devices.
• High Mechanical Strength: The bending strength of AlN exceeds that of Al₂O₃ and BeO ceramics, and it can be sintered at normal pressure, ensuring high strength and durability.
• Optical Transmission Properties: AlN has good optical transmission characteristics, making it suitable for optical applications.
• Non-Toxic: The material is non-toxic and environmentally friendly, complying with environmental standards.

Applications

• Electronics Industry: AlN ceramic plates are extensively used in electronic components, LED heat dissipation, and semiconductor packaging, serving as excellent thermal management materials.
• Energy Sector: In high-temperature environments, AlN ceramic plates are used as highly efficient heat dissipation and thermal conduction materials, widely applied in energy equipment such as power transformers and battery management systems.
• Semiconductor Industry: With outstanding electrical properties, AlN is used in semiconductor packaging and heat sinks, providing stable thermal conduction and electrical insulation performance.
• Optical Applications: AlN ceramic plates are suitable for optical devices and components requiring good optical transmission, providing higher transparency and stability.