We require the following items immediately:
| Sl.No | Description | Quantity |
| 1 | Silicon Sphere: diameter 2mm ± 5 µm, grade 25 | 10 Nos |
| 2 | Silicon sphere: Diameter 0.48 mm ± 5 µm, grade 25 | 10 Nos |
| 3 | Silicon disks diameter 13mm ± 10 µm, thickness: 0.38 mm, crystalline ~ 100% | 1 No |
| 4 | Silicon rod: length 10mm, diameter 2mm ± 5 µm, crystalline ~100% | 1 No |