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Monocrystalline silicon brick

Monocrystalline silicon brick

Monocrystalline silicon brick is a crystal with substantially complete lattice structure. Which is the raw material for producing monocrystalline silicon wafers.Different directions have different properties.Mono brick is a good semi-conducting material. The mono brick is a rod-shaped single crystal silicon grown from the melt by a Czochralski method or a suspension zone melting method in industrial production. Its main indicators are minority life, oxygen concentration and ect.

Technical Parameters

ProjectTechnical Parameters
Dislocation density<500at0ms/cm²
Side length156.75±0.25mm
Diagonal (single crystal)210±0.25mm
Squareness90°±0.3°
Direction<100>±3°
RoughnessRa≤1.5um
Arc width deviation (single crystal)12±0.5mm
Bevel≤1.5mm
Conductive typeP
Resistivity1-3Ω·cm
Minority life>3μs(Naked test),>15μs(After passivation)
oxygen concentration≤1*1018atoms/cm³
carbon concentration≤0.5*1017atoms/cm³
Growth methodCZ Czochralski
DopingB boron