Aluminum Nitride Dry Pressing Ceramic is a high-performance ceramic material known for its excellent thermal conductivity, high electrical insulation, and thermal stability. Aluminum nitride ceramics produced by dry pressing are widely used in electronic and thermal management applications, where efficient heat dissipation and electrical insulation are critical.
Dry pressing is a common manufacturing method for AlN ceramics, which enables the production of precise shapes and dense structures, making it ideal for substrates, insulators, and components in high-power devices.
Aluminum Nitride (AlN): Composed of aluminum and nitrogen, AlN is a covalently bonded compound that gives the ceramic its high thermal conductivity and excellent electrical insulation properties.
Dense Microstructure: Dry pressing produces dense, uniform ceramics with minimal porosity, resulting in enhanced strength and durability.
High Thermal Conductivity: Aluminum Nitride Dry Pressing Ceramics have one of the highest thermal conductivities among ceramic materials, typically around 170-200 W/m·K. This property makes it excellent for heat dissipation in electronic devices.
High Electrical Insulation: With a high dielectric strength, AlN ceramics serve as effective electrical insulators, preventing unwanted current flow and electrical interference.
Thermal Stability: AlN maintains its properties at high temperatures (up to around 1000°C in inert environments), making it suitable for high-temperature applications.
Inertness to Many Chemicals: AlN is generally resistant to corrosion by most chemicals, though it can be susceptible to hydrolysis in the presence of water vapor or humid environments over time.
Non-Oxidizing: AlN is stable in inert and nitrogen-rich atmospheres but can oxidize at very high temperatures in air, forming an aluminum oxide (Al₂O₃) layer on the surface.
Dry Pressing Process: This method involves pressing AlN powder into a mold under high pressure to achieve a desired shape. The compact is then sintered at high temperatures to create a dense ceramic with minimal shrinkage.
Advantages: Dry pressing allows for precise shapes, uniform density, and is cost-effective for producing large volumes of components with consistent quality.
Electronic Substrates: Due to its high thermal conductivity and electrical insulation, AlN ceramics are widely used as substrates in power electronics, LED modules, and other high-performance electronic devices.
Heat Sinks and Thermal Management Components: AlN’s thermal conductivity makes it ideal for components that dissipate heat in high-power devices, such as transistors, thyristors, and high-frequency circuits.
Insulating Components in High-Voltage Applications: AlN’s dielectric strength and stability make it suitable for insulators in devices operating at high voltages.
Semiconductor Processing Equipment: AlN is used in semiconductor fabrication due to its chemical inertness and thermal stability, providing a durable and heat-resistant material for processing equipment.
Fragility: While dense and strong, Aluminum Nitride Dry Pressing Ceramics can be brittle, so careful handling is recommended to prevent fractures or chips.
Storage: To avoid hydrolysis or degradation, Aluminum Nitride Dry Pressing Ceramics should ideally be stored in dry, low-humidity environments if prolonged exposure to moisture is a concern.
VI HALBLEITERMATERIAL GmbH (VIMATERIAL) employs a stringent quality assurance system to ensure the reliability of our product quality. Strict quality control is implemented throughout the entire production chain, and for defective products, we strictly enforce the principle of rework and redo. Each batch is released only after passing detailed specification tests.
Every batch of our materials is independently tested, and, if necessary, we send samples to certified companies for testing. We provide these documents and analysis certificates with the shipment to certify that our products meet the required standards.
Contact our team of experts today and let us help you with your business!
