silicon ingot

Place of Origin: Yunnan China (Mainland) Place of Origin: Jiangsu, China



polycrystalline silicon wafer

polycrystalline silicon wafer Orientation100

Off Orientation?3?

Resistivity0. 5 3 ??cm or 3- 6 ??cm

Minority Carrier Lifetime?10?s

Oxygen Content?1. 0*1018 / cm3

Carbon Content ?2. 0*1017 / cm3

Dimension125*125?0. 5 mm

Diagonal150?0. 5 mm

Square Sides Angle90?0. 5?

Streight Sections Length Deviation21. 25?1 mm

Thickness200?20 ?m

TTV?30?m

Saw Mark?20?m

Warp?75?m

ChipsDepth<0. 3 mm ; Length<0. 5 mm

AppearanceNo Stain, No Pinhole and Cracks by Visual Inspection