| Material: | Alumina (Al2O3; 96 %) | Aluminiumnitride (AlN) |
| Standard size: | 4″ x 4″; 6″ x 4″; 6″ x 5″ | 4″ x 4″ |
| Standard thickness: | 0,63 mm; 1 mm | 0,63 mm; 1 mm |
| Special thickness: | 0,16 mm; 0,25 mm; 0,38 mm; 0,50 mm | 0,16 mm; 0,25 mm; 0,38 mm; 0,50 mm |
| Thermal conductivity: 1) | 20 W/m°K | 180 W/m°K |
| Coefficient of expansion: 2) | 6,4 x 10-6 /°K | 4,7 x 10-6 /°K |
| Break through voltage: | > 15 kV/mm | > 15 kV/mm |
| Dielectric constant (1 MHz): | 9,5 | 9 |
1) Temperature range 20 … 100 °C
2) Temperature range 20 … 300 °C
If you have technical questions about this topic or need a custom solution, our employees will naturally help you by phone at +49 09103 5070 or by e-mail at sales@siegert.de.