Solar Wafers 156multi and 125mono

((2.30/per pcs 125mono 4.30/per pcs 156multi)

Manufacturer Uses 100% silicon from
USA GERMANY OR KOREA
156multi solar wafer, 125mono offer
Manufacturer will be revealed upon
receipt of PO
Origin China
Amount 300,000 Pieces per month
Terms L/C at sight and T/T at advance
Contract Spot month to month
No deposit necessary
FOB point: Shanghai, China

156mm Multi
Product Multicrystalline Silicon Wafer
Conductivity Type P-type
Base Area 156.0mmx156.0mm+/-0.5mm
Diameter 219.2mm+/-0.5mm
Thickness 180um+/-20um; 200um+/-20um
TTV(um) less than or equal to30um
Resistivity 0.8-3.0 ohm-cm
Dopant Species Boron
Carbon concentration less than or equal to 9x1017 at/cm3
Oxygen concentration less than or equal to 8x1017 at/cm3
Life time greater than or equal 2us
Wafer Surface As cut and cleaned. No grease stains and pin holes
Warping
less than or equal to 75um (Thickness: 180um+/-20um)
less than or equal to 50um (Thickness: 200um+/-20um)
Corner Angle 90+/-0.5 degree
Edge Chips Length less than or equal to1.0mm,Depth
less than 0.5mm
Edge Cracks Not Allowed
Saw marks Depth less than or equal to 20um
Pin Holes No visible pin holes with the naked eye





125mm Mono
Product Monocrystalline Silicon Wafer

Conductivity Type P-type
Base Area 125.0mmx125.0mm+/-0.5mm 156.0mmx156.0mm+/-0.5mm
Diameter 150.0mm+/-0.5mm; 165.0mm+/-0.5mm 195.0mm+/-0.5mm; 200.0mm+/-0.5mm
Thickness 180um+/-20um; 200um+/-20um
TTV(um) less than or equal to 30um
Resistivity 0.8-3.0 ohm-cm
,3.0-6.0 ohm-cm
Dopant Species Boron
Orientation (100) +/-1 degree
Carbon concentration less than or equal to2.5x1017 at/cm3
Oxygen concentration less than or equal to1x1018 at/cm3
Dislocation density less than or equal to 3000 / cm2
Life time greater than or equal to 10us
Wafer Surface As cut and cleaned. No grease stains and pin holes
Warping less than or equal to 50um
Corner Angle 90+/-0.5 degree
Edge Chips Length less than or equal to1.0mm,Depth
less than 0.5mm
Edge Cracks Not Allowed
Saw marks Depth less than or equal to 20um
Pin Holes No visible pin holes to naked eye

156multi solar wafer@ 4.30/USD and 125mono wafer@ 2.30/USD