Alumina nitride ceramic has high thermal conductivity of more than 170W/m. K, high resistivity, low dielectric loss, good insulation and some other excellent properties.
Product Name | Excellent insulation alumina nitride ceramic wafer AIN ceramic round substrate |
Material | Alumina nitride |
Key words | AIN ceramic wafer |
Advantage | Excellent thermal conductivity |
Introduction
Technical Date of ALN | ||||
Property content | Unit | Property index | ||
Density | g/cm3 | ≥3.30g/cm3 | ||
Water absorption | % | 0 | ||
Thermal conductivity | (20℃, W/m.k) | ≥170 | ||
Linear expansion coefficient | (RT-400℃,10-6) | 4.4 | ||
Flexural strength | Mpa | ≥330 | ||
Bulk resistance | ≥1014 | |||
Dielectric constant | 1 MHz | 9.0 | ||
Dissipation factor | 1 MHz | 3*10-4 | ||
Dielectric strength | KV/mm | ≥15 | ||
Surface roughness | Ra(μm) | 0.3~0.5 | ||
Camber | (~25.4(length)) | 0.03~0.05 | ||
Appearance | Dense | |||
Note: 1. Surface roughness can be reached 0.1μm after polished. | ||||
2. Size tolerance can be controlled in ±0.10mm with laser machined. | ||||
3. Special specifications can be suppled upon requests. |