Trace Element Concentration - Typical
| Element | Concentration |
|---|---|
| Fe | 12 ppm |
| Cu | 27 ppm |
| Ni | 0 ppm |
| Zn | 9 ppm |
| Cr | 3 ppm |
| Na | 22 ppm |
| K | 12 ppm |
| Y | 2.0 (wt%) |
| Mg | 5 ppm |
| Ca | 43 ppm |
| Ti | 7 ppm |
| V | 43 ppm |
| Zr | 24 ppm |
| Si | 152 ppm |
Properties - Typical
| Physical | |
|---|---|
| Chemical Formula | AlN (99% Theoretical Density) |
| Toxicity | Nontoxic |
| Density | 3.3 g/cm³ |
| Color | Tan/Gray |
| Crystal Structure | Hexagonal |
| Water Absorption | None |
| pH | 6.3 |
| Hardness (knoop) | 11.8 GPa |
| Moh's Hardness | 7 at 20°C |
| Melting Point | >2200°C |
Mechanical |
|
| Flexure Strength | 290 MPa |
| Modulus of Elasticity | 331 GPa |
| Poisson's Ratio | 0.22 |
Thermal |
|
| Thermal Conductivity | 175 W/mK |
| Coefficient of Expansion | 4.6 x 10E-6 (20 - 400°C) |
| Maximum Use Temperature | 800°C Oxidizing |
| Thermal Shock-Quenching | 210 - 400 ? T°C (INCONSISTENT INFO.) |
Electrical |
|
| Dielectric Constant | 0°C 8.9 at 1MHz |
| Dielectric Loss 20°C | 0.0001 - 0.001 at 1MHz |
| Resistivity | >10E+14 ohm-cm |
| Dielectric Strength | 20 KV mm |
| Bandgap | 6.2e ohm-cm |
This information does not constitute a warranty for which we shall assume legal responsibility.
Aluminum Nitride substrate related Web sites.
How Aluminum Nitride substrates are manufactured.
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Updated: 6 May 2008 |
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