125X125 mm mono crystalline solar cell silicon wafer

all our cutting machine are imported from Japan,
125X125 mm mono crystalline solar cell silicon wafer

125X125 mm mono crystalline solar cell silicon wafer
Mono crystal Silicon Wafer(Pseudo square)
Growth Method: CZ
Dimension: 125x125±0.5mm
Diagonal: 150±0.5mm
Square Angle: 90±0.3 degree
Orientation: 100±3 degree
Type of conductivity: P type
Dopant: Boron
Resitivity: 0.5-3 , 3-6 Ohm/cm
Content of Oxygen: 1x10 At/cm3
Content of Carbon: 5x 10 At/cm3
Life Time: ≥10 us
Surface Finish: As cut and cleaned
backside: As cut and cleaned
Bow, max: <50 μm
Saw marks depth:<30 μm
Thickness: 200±20
TTV: <50 μm
Surface: Without pin holes, cracks, stains and other contamination
Edge chips: 1 pcs not longer than 1 mm, not deeper than 0.5 mm