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125×125 Silicon wafer
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Home > Monocrystalline silicon wafers > 125×125 Silicon wafer
GEMEI Science&Technology Solar Co.,Ltd is a China monocrystalline silicon wafer manufacturer and monocrystalline silicon wafers wholesale. The factory covers 112 acres and has over 1000 staff, including a group of experienced engineers and professional managers. The major products involve in silicon ingot、monocystalline silicon wafer, multicrystalline sillicon wafers, solar cells, solar panel and PV-grid generating system etc.
125×125 Silicon wafer
monocrystalline silicon wafer
Model
125 Mono Wafer
General Characteristics
  
Growth Method
CZ
Conductivity type
P
Dopant
Boron
Resistivity
0.5-3ohm*cm;3-6ohm*cm
Oxypen concentration
at<1*1018/cm3
Carbon Concentration
at<5<1016/cm3
Lifetime
≥10μs
Density
<3000/cm2
Microcrystal
  
Structural Characteristics
  
Corner between pseudosquare's side
90±0.3°
Orientation
100±3°
Dimension
125±0.5mm
Diameter
150±0.5mm
Thickness
200±20μm
Shape
  
Mechanical Characteristics
  
TTV
<30μm
Bow
<50μm
Surface Finished
as wire-cut
Saw Mark
≤15μm
Chip defect
≤2 per wafer. Depth≤0.3mm, Length≤0.5mm
Appearance
Clean, ;Edgedefects, Pinholes, Cracks are not allowed

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