Ted Trade Co.,Ltd

Detailed Buying Lead Description

1.Solar grade silicon ingot or chunk, mono or poly crystalline

2.Solar grade silicon wafer 5"/6"/8", mono or poly crystalline

Specification Required

Grown Method CZ or FZ

Dopant P type

Resistivity 0.5-3 ohm-cm (1 ohm-cm typical )

Oriention <100> +/- 0.3 degrees

Impurities Oxygen content < 1x1018 atoms/cm3

Carbon content < 1x 1016 atoms/cm3

Lifetime > 10 microseconds

Thickness 180-300 microns

3.Silicon-scrap material from PV or IC industry

Top&Tail, pot scrap, broken wafers,P type,above 0.1 ohm-cm