This project was financially supported by the National Natural Science Foundation of China(No.60576002).
The pulling rate in czochralski silicon (CZSi) growth is important for reducing the cost of solar cell. In this paper, double-heater, heat shield and composite argon duct system were introduced in the Ф450 mm hot zon...
This project is financially supported by the National Natural Science Foundation of China (No. 60576002).
φ200 mm silicon single crystals were grown in the φ450 mm hot zone of a Czochralski (CZ) furnace. By modifying the pattern and the velocity of the argon flow, the silicon single crystals with different oxygen conc...