Aluminum Nitride Heat Sink Ceramic Plate for LED
Feature of Aluminum Nitride Ceramic Plates :
1.High hardness , diversity 2. High precision and density
3.High reliability and stability 4. High thermal conductivity
5.Extremely abrasive resistance performance 6. Wide scope of application
Product Property of Aluminum Nitride Ceramic Plates :
| Material Properties of Aluminum Nitride Substrate/Wafer |
| Property Content | Property Index |
| Density(g/cm3) | 3.335 |
| Resistance to Thermal Shock | No Cracks |
| Thermal conductivity(30°C, W/m.k) | ≥170 |
Linear expansion coefficient
(/°C, 5°C/min, 20-300°C) | 2.805×10-6 |
| Flexural strength (MPa) | 382.7 |
| Volume Resistivity (Ω.cm) | 1.4×1014 |
| Dielectric constant(1MHz) | 8.56 |
| Chemical Durability (mg/cm2) | 0.97 |
| Dielectric strength (KV/mm) | 18.45 |
| Surface roughness Ra(μm) | 0.3~0.5 |
| Camber (length‰) | ≤2‰ |
| Appearance/ Color | Dense/ Dark Gray |
Product Introduction of Aluminum Nitride Ceramic Plates :
Aluminum nitride ceramic substrate, high thermal conductivity, low coefficient of expansion, high strength, high temperature resistance, chemical resistance, high resistivity , low dielectric loss, is the ideal LSI heat dissipation board and packaging materials.
ALN ceramics use heat resistant melt erosion and thermal shock resistance, can produce GaAs crystal crucible, Al evaporation pan, MHD power generation equipment and high temperature turbine corrosion resistant parts, using its optical properties can be used as an infrared window.
Application of Aluminum Nitride Ceramic Plates :
high-power circuits, RF and microwave circuits, GaAs crystal crucible, Al evaporation pan, MHD
power generation equipment
Contact Information :
We can make many specifications according to your requests.
Free samples are available , for more information , pls kindly let me .