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Product Name: Aluminum Nitride Substrate
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Product Features: High thermal conductivity, small coefficient of thermal expansion, high insulation strength, high flatness and smooth surface
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Application Scenario:ALN DBC, LED lighting lamps, mobile phone flashlights, IGBT modules, electronic control insulation for new energy vehicles, photovoltaic transformers, etc
AlN Subtrate
Performance Parameters
| Material Grade | ALN | |||
| Content of AlN | wt | % | 96% | |
| Appearance | Grey | |||
| Roughness | Ra | μm | 0.2~0.6 | |
| Density | Drainage | g/cm3 | ≥3.30 | |
| Light Reflectance | 450nm/1mm | % | / | |
| Mechanical Characteristics | Flexural Strength | Three Point Bending Resistance | MPa | ＞380 |
| Fracture Toughness | Indentation Method | MPa.m½ | 3.0 | |
| Vickers Hardness | Load 4.9N | GPa | 12 | |
| Young's Modulus | Stretching Method | Gpa | 320 | |
| Thermal Characteristics | Coefficient of Linear Thermal Expansion | 25~800℃ | x10-6 /K |
5.2 |
| Thermal Conductivity | 25℃ | W/(m.k) | ＞170 | |
| Specific Heat Capacity | 25℃ | J/(kg.k) | 720 | |
| Electrical Characteristics | Dielectric Constant | 1MHz,25℃ | - | 9.0 |
| Dielectric Loss Angle | 1MHz,25℃ | x10-4 | ≤2 | |
| Volume Resistivity | 25℃ | Ω.cm | ≥1014 | |
| Dielectric Strength | DC | KV/mm | ≥15 | |
