Pure polycrystalline silicon

Specifications

Pure polycrystalline silicon:
1.Purity:99.9999 %( 6n )
2.size:6~25mm/25~50mm/50~100mm
3.Resistivity:60%>100 Ohm cm
4. P type

Pure polycrystalline silicon:
1. Purity: 99.9999 % ( 6n )
2. size: 6~25mm/25~50mm/50~100mm

3. Boron content:< 0.11 ppba
4. phosphorus content:< 0.2 ppba
5. carbon content:< 200 ppba
6. Oxygen content:<8ppba
7. Over-surface metal:< 25 ppba
8. total bulk metal:< 15 ppba
9. Resistivity: 60 %  > 100 Ohm cm, 40 % = 80-100 Ohm cm
10. Undoped:P type