1. (1) Misawa, T., Kaneko, K., Nunoi, T., Shimokawa, R. and Hayashi, Y., Casting Methods of Low Cost Polycrystalline Silicon for High Efficiency Solar Cells, Proc. 4th PVSEC, Sydney, (1989), p. 449.
2. (2) Cisezk, T. F., Some Applications of Cold Crucible Technology for Silicon Photovoltaic Material Preparation, J. Electrochemi. Soc., Vol. 132, No. 4 (1985), p. 963.
3. (3) Kaneko, K., Misawa, T. and Tabata, K., 100 cm2 Silicon Square Ingot Made by Electromagnetic Casting, Proc. 5th PVSEC, Kyoto, (1990), p. 201.
4. (4) Nammori, T., Okamoto, K., Nunoi, T. and Hayashi, Y., Minority Carrier Lifetime Measurement in HF Solution to Evaluate Si Substrates for Solar Cells, Jan. J. Appl. Phys., Vol. 29, No. 1 (1990), p. 166.
5. (5) Hovel, H. J., Semiconductor and Semimetals [11] solar cells, Academic Press (1975), p. 204.