Experimental Study of the Silicon Start-up Heating and Melting Process in an Inductive Cold Crucible

Abstract:

The electromagnetic continuous pulling is a newly growth technology as a promising process for silicon preparation, start-up heating is necessary for the semiconductivity of silicon at room temperature. Investigations were carried out to study this process in a square crucible with the frequency of 50kHz, details of the experimental procedure were given, the affecting factors, electrical performance and heat explosion problems during the process were measured and discussed. The results indicated that the best conditions for the preheating were the central position of the base in the coil, the higher power and the proper primary mass of silicon setting. The electrical performance indirectly showed the pool conditions and so it can be effectively used to control the melting operation.

• Periodical: Advanced Materials Research (Volumes 154-155)
• Pages: 756-762
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.154-155.756
• Online since: October 2010
• Authors: Feng Huang, Rui Run Chen, Jing Jie Guo, Hong Sheng Ding
• Keywords: Electromagnetic Continuous Pulling, Multicrystalline Silicon, Start-up Heating, Start-up Melting

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