Description
Substrate Specifications
- Maximum Size: Diameter 4 inch, and other size call for me
- Orientation: (100) (110) (111) +/-0.5 Deg
- Edge orietation Indication: <001> +/-2 Deg avaiable as option.
- Polish: EPI polished by CMP tecnology with less sub-surface lattice damage.
- Surface finish (RMS or Ra): <5A
- Pack: Packed in 100 grade plastic bag under 1000 class clean room.
Typical Properties:
| Typical Physical Properties | |
| Crystal Structure | Tetragonal, a = 4.64 c=3.06 |
| Growth Method | Bridgeman |
| Density | 3.18 g/cm3 |
| Melt Point | 1255 oC |
| Hardness | 6 ( Mohn) |
| Thermal expansion | 13.7(x10-6/ oC) |
| Refractive index | ho 1.37740 he 1.38945 |
| Through band | 0.11 – 7.5 microns |
| Transmission rate | >93% @5 m >85% @ 0.2 m |
| Color and Appearance | Transparent (sometimes slightly brown based on annealing condition). No twins. |
| Chemical Stability | soluble in water |
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