156X156 mm mono crystalline solar cell silicon wafer

all our cutting machine are imported from Japan,
we always try our best offer our customers best quality and service

Dimension
125 mm
156 mm
Growth Method
CZ
CZ
Conductive Type
P
P
Dopant
B
B
Orientation
<100>
<100>
Off Orientation
<±2°
<±2°
Resistivity
1 –3 Ω•cm
1 –3 Ω•cm
Bulk Lifetime
≥10μs
≥10μs
Oxygen Content
≤1.0*1018 /cm3
≤1.0*1018 /cm3
Carbon Content
≤5.0*1016 /cm3
≤5.0*1016 /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°
Streight Sections Length Deviation
29.76±1.0mm
21.81±1.0mm
Thickness
200±20 μm(thinnest≥180μm)
200±20 μm(thinnest≥180μm)
TTV
≤30μm
≤30μm
Saw Mark
≤15μm
≤15μm
Warp
≤50μm
≤50μm
Chips
Depth<0.3mm;Length<0.5mm
less than 2pcs
Depth<0.3mm;Length<0.5mm,
less than 2pcs
Appearance
No Stain, No Pinhole and Cracks byVisual Inspection
No Stain, No Pinhole and Cracks byVisual Inspection
Dislocation Density
≤3000 pcs/cm2
≤3000 pcs/cm2