Product Name: Auminum nitride(AlN）substrates
HS Code: 6903900000
Features: high efficiency, low cost and pollution-free ceramic substrate casting technology etc.
Size: length and width can each reach 7.5 inches with thickness of 0.381mm, 0.5mm, 1mm.
Application: LED package, Power resistance ceramic base board, Ultra-power laser semiconductor LD etc.
Custom：support customized.
Specification of Aluminum Nitride(AlN) Ceramic Substrates
| Technical Parameters | Item | Instant fired flake | Grinding plates |
| Warping degree(μm/mm) | ≤2‰ | ≤2‰ | |
| Bulk density(g/cm3) | ＞3.3 | 3.3 | |
| Flexural strength(MPa) | ＞450 | ＞380 | |
|
Surface roughness
(Ra, μm)
|
0.2-0.5 | 0.3-0.6 | |
| Coefficient of linear expansion(1/℃) | 4-6 | 4-6 | |
| Thermal conductivity(25℃)W/m∙K | ≥170W/m∙K | ≥170W/m∙K | |
| permittivity | 8-10 | 8-10 | |
| Volume resistivity(25℃) Ω/cm | ≥1013 | ≥1013 | |
| Breakdown voltage kV/mm | ＞17 | ＞17 | |
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The data above were tested under conditions as follows: Temperature: 15-35℃ Relative humidity: 20%-80% Air pressure: 86-106 kPa The technical parameters may change under other conditions. |
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Length and Width | Thickness | |
| Size |
114.3*114.3
127*127
138*190
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0.381mm | |
| 0.5mm | |||
| 0.635mm | |||
| 1.0mm | |||
| 1.5mm | |||
| We can customize by the drawing. | |||
| Size Standard | |||
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Length and Width | Thickness | |
| Size | ≤150x100 | ＞1.0 | ≤1.0 |
|
Common difference |
±1% | ±7% |
±10% |
Other Customized AlN Ceramic Parts:
If you have any needs about aluminum nitride parts, please send us product drawings and your requirements. We have professional engineers to help produce what you need.
