125/156 Solar Mono-silicon wafers

125/156 Solar Mono-silicon wafer 1.Dimention :156*156mm 2.Grade : A grade 3.Resistvity:0.5-6ohm.cm 4.Orientation:<100>

Item	N-type solar grade mono silicon wafer (125x125mm)	N-type solar grade mono silicon wafer (156x156mm)
Growth Method	CZ	CZ
Conductive Type	N-type	N-type
Dopant	Phos.	Phos.
Orientation	<100>±3°	<100>±3°
Resistivity	1 –3,3-6Ω•cm	1 –3,3-6 Ω•cm
Bulk Lifetime	≥1000μs	≥1000μs
Oxygen Content	≤0.1*1018 cm3	≤0.1*1018 cm3
Carbon Content	≤0.1*1017 /cm3	≤0.1*1017 /cm3
Dimension	125*125±0.5mm	156*156±0.5mm
Diagonal	150±0.5mm	200±0.5mm
Square Sides Angle	90±0.3°	90±0.3°
Thickness	200±20 um	200±20 um
TTV	≤25um	≤25um
Saw Mark	≤15um	≤15um
Warp	≤40um	≤40um
Chips	Depth<0.3mm;Length<0.5mm	Depth<0.3mm;Length<0.5mm,
	less than 2chips per wafer	less than 2chips per wafer
Appearance	No Stain, No Pinhole and Cracks by Visual Inspection	No Stain, No Pinhole and Cracks by Visual Inspection
Dislocation Density	≤1000 pcs/cm2	≤1000 pcs/cm2
Package	Packed in Polyethylene foam box,400pcs/box	Packed in Polyethylene foam box,400pcs/box

125/156 Solar Mono-silicon wafers