A、Solar energy gear polysilion1. Base description :silicon deped is 99.9999%2. Boron doped :0.50ohmcnC、Minor PolysiliconDescription1. Type:n-type2. Resisfivity:50 ohmcn"3. Carbon iloped:10ohcm3. P-type resitivity>0.5ohcm4. Shape:block5. Length:>30mm6. Thickness:>0.5mm7. With no infusible subsface and air bubbk