non-ferrous metal
OUR PRODUCTS
OUR PRODUCTS
Polycrystalline Silicon
SPECIFICATIONS:
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Grade
Item |
A
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B | |||||||||
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Surface and section appearance
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dense crystal．flat surface．a(chǎn)nd the section without double一layers
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Diameter(mm)
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30—65
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30—65
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N-type minority carrier Iife-time µs
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200 OHM／cm min
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100一199 OHM／cm
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Carbon content atoms／cm³
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0.86一1.36 X10’ 16 cm³
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0.86一1.36 X10’ 16 cm³
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Oxygen content atoms／cm³
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0.72一1.5 X 10’ 16 cm³
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0.72一1.5 X 10’ 16 cm³
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NOTE：
1.Resistivity(B)and carbon／oxygen content are a guaranteed value，Carbon／oxygen
content should be analyzed at a fixed tine every year
2.N-type minority carrier lifetine is the life value of the process check test in the hydrogen
3.Both parties can negotiate according to the special requirements of buyers
PACKING：In wooden case with inner aerated Plastic of 50-70 kgs net each
