| Composition | MgO |
|---|---|
| Crystal system | Cubic |
| Crystal structure | NaCl |
| Lattice constant | a=0.4213 nm |
| Melting point | 2800 ℃ |
| Density | 3.59 g/cm3(20 ℃) |
| Dielectric constant | 10 |
| Thermal expansion coefficient | 13.5×10-6/℃ |
| Deliquescence | Existence |
Transmittance of MgO
| Size (Outer size tolerance: ±0.1 mm / Thickness tolerance: ±0.05 mm) |
10×10×0.5 t 15×15×0.5 t |
|---|---|
| Orientation (Tolerance: ±0.5°) |
(100) |
| Polishing | One-side / Both-side |
| Surface roughness | Ra≦1.0 nm, Rmax≦5.0 nm |
| Options | OFF substrate |
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