poly-crystalline silicon wafer 156mm*156mm

poly-crystalline silicon wafer 156mm * 156mm
using international top wire saw cutting equipments to produce, silicon wafer.
poly-crystalline silicon wafer 156mm*156mm
Item
Characteristics
Conductivity Type
P-Type
Shape
Square
Resistivity
0.5-3Ω·cm
Dimension
156mm×156mm±0.5mm
Diagonal
219.2mm±0.5mm
Thickness
180μm±20μm
Oxygen Concentration
≤1×1018 atoms/cm3
Carbon Concentration
≤4.5×1017atoms/cm3
Dopant
Boron
Total Thickness Variation
≤25μm
Bow
≤50μm
Chips
Size≤1mm×1mm allowed
Saw Mark
≤20μm
Appearance Quality
V-type edge indents, cracks, breakage and holes are not permitted. Surface should be clean and without spots.