Silicon Ingots

silicon.

- Quantity offered to sale: ? Minimum: 200 KG,





- Term of the beginning of delivery after 100% payment; ? 7 days- Possible prolongation of the Contract or the single transaction; ? Yes possible. - Conditions and basis of delivery ? CPT Beijing- The price for a co mm odity unit on the chosen conditions of delivery; ? U$D 250/ Kgs.

Pseudo Square CZ Single Crystal Silicon IngotsSize: 125?125 (dia. 150) mm No. ItemSpecification

1. Type of conductivity / DopantP- type / Boron

2. Orientation<100> ?3. 0?

3. Resistivity, Ohm*cm0. 5 3. 0

4. Dislocation density, cm- 2none

5. Oxygen content, at/ cm3? 1. 1 ? 1018

6. Carbon content, at/ cm3? 5. 0 ? 1017

7. Minority carrier lifetime, ?sec? 10

8. Surface Defects (chips, pitholes, cracks, crystalline irregularities) none

9. Diagonal, mm 150. 0 ?0. 5

10. Pseudo Square size, mm 125. 0?125. 0 ?0. 5

11. Square Side orientation (001) (010) ?2. 0?

12. Angle between square sides, deg. 90? ? 0. 3?

13. Chamfers shapeStraight line

14. Chamfer length, mm 26. 8 ?1. 2

15. Angle between square side and ingot end, deg. 90? ? 0. 5?

16. Ingot length, mm 100 - 500

17. Surface qualityfine grinding

18. QC certificateEnglish

Note: Resistivity is measured on annealed slices cut off from the top and tail sections of each ingot. The ingots themselves are not annealed. Minority carrier lifetime is measured on ingots.