
| No. | Item | Standard Specification | |||
| 1 | Polycrystalline Cadmium Telluride CdTe ≥ | 5N | 6N | 7N | |
| 99.999% | 99.9999% | 99.99999% | |||
| ImpurityPPM Max Each | Ag | 0.5 | 0.05 | 0.005 | |
| Zn | 1.0 | 0.05 | 0.02 | ||
| Pb | 1.0 | 0.10 | 0.01 | ||
| Al | 1.0 | 0.05 | 0.005 | ||
| Cu | 0.5 | 0.01 | 0.005 | ||
| Mg | 0.5 | 0.05 | 0.005 | ||
| Ni | 0.5 | 0.05 | 0.005 | ||
| Fe | 0.5 | 0.05 | 0.01 | ||
| As | 0.5 | - | - | ||
| Bi | 0.5 | 0.05 | 0.005 | ||
| In | - | 0.01 | - | ||
| Ca/Se/Sn | - | - | 0.01 | ||
| Cr | - | 0.005 | |||
| Total | ≤10ppm | ≤1ppm | ≤0.1ppm | ||
| Size | ≤1.5 or 3-8mm or ≤25g lump, -100mesh powder | ||||
| Packing | 1kg in composite aluminum bag or plastic bottle. | ||||
| 2 | Single Crystal Cadmium Telluride CdTe | CdTe 6N 7N | |||
| Orientation | (100), (110), (111) | ||||
| Surface Roughness | <10 Å | ||||
| Surface Finish | P/E, P/P | ||||
| Size | 5×5/10x10XT(500, 1000 or 3000um) or as required | ||||
| Packing | In vacuum bag inside, carton box outside. | ||||