9 inch silicon wafer

Product description

       The solar cell wafers produced products made by sun, ETL, all TUV, UL and other well-known certification, established the industry's only "photovoltaic power generation control and integrated national engineering laboratory", the National 863 project "construction of 100 megawatt photovoltaic system integration technology test station" has been put into operation, the 2GW assembly capacitymore than photovoltaic power station construction and operation.

Technical Advantages

With advanced manufacturing technology and equipment, to provide a "one high"crystal silicon to customers. 8 inch silicon sheets made cell average conversionefficiency can reach above 19.5%; the 156 polysilicon film battery average conversion efficiency reaches more than 18%, among the crystal silicon wafer production industry production efficiency advanced ranks.

Create Value for Our Customers

With independent research and development of the long crystal and ingot cutting technology, makes the high quality, high reliability, high conversion efficiency,solar grade polysilicon film, thin single products continue to enhance the industry technical standards.

technical parameter

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Cutting method

Powder/ diamond wire cutting

Conductivity type

P/N

The doping agent

Boron, phosphorus, gallium

Crystal orientation deviation

<100>±3º

Diameter

219.2±0.5mm

Resistivity

1~3Ω.cm/3~6Ω.cm

Thickness

200±20μm/180±20μm

Edge width

156±0.5mm

Warpage

40μm

TTV

30μm

Oxygen content

1.0×1018 atom/cm3

Stria

15μm

Carbon content

5.0×1016 atom/cm3

Minority carrier lifetime

15μs

Dislocation


Appearance

No cracks, no contamination etc.

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