Shandong Dingchang Tower Co., Ltd.

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Product Detailed

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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.



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