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