Solar Wafer N-Type 105x105mm Monocrystalline Substrate

♦️High Conversion Efficiency Solar Silicon Wafer.

♦️According to demand, we can provide custom-made service.

♦️Global shipping, secure payment, large inventory.

♦️Minimum delivery time within 1 week. Shipped by FedEx, DHL,UPS, etc.

Solar wafer Specification:

• Method: CZ ;

• Diameter: 223mm±0.25 ;

• Type: P;

• Dopant: Gallium;

• Orientation: <100> ±3°;

• Oxygen concentration: ≤ 1.0E18 at/cm3;

• Carbon concentration: ≤ 5.0E16 at/cm3;

• Right angle: 90±0.2°；

• Thickness: 150um±20 ;

• Resistivity: 0.4-1.1Ω;

• Lifetime:≧15 uses;

• Corner length: 8~9mm ;

• Etch Pit Density: ≤500cm-2;

• TTV:≤30um ;

• Saw mark: ≤15um;

• Warp: ≤50um;

• Bow:  ≤50um

• Edge Chip: 0.5x0.3mm less than two ;