polysilicon
Improvement of Siemens method
The product should be in accordance with national standard
Origin: China
Specifications:
Improvement of Siemens method
The product should be in accordance with national standard
Size: 6~25mm/25~100mm/100~200mm
Detection of phosphorus
resistance ≥100 Ω·cm
Detection of Boron
resistance ≥500 Ω·cm
Total metal impurities≤0.05ppmw
Acceptors impurity ≤1.5ppba
Donors impurity ≤0.5ppba
Origin: China Undoped: P type
Testing equipment:
We have advanced quality inspection equipment, such as: chromatography, such as weather; spectrograph, shimmers of light thermometer, measuring machines of phosphorus, measuring machines of Boron and so on
My company's products ensure the quality, courteous service to ensure that credit.
Warmly welcome all friends from home and abroad to visit our factory.