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APPARATUS FOR THE PRODUCTION OF SILICON FROM MELT WITH INDICATION OF MELT SPILL AND MELT-SPILL ALARM SYSTEM
APPARATUS FOR THE PRODUCTION OF SILICON FROM MELT WITH INDICATION OF MELT SPILL AND MELT-SPILL ALARM SYSTEM
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机译:具有熔渣指示和熔渣报警系统的熔渣生产硅的装置
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摘要
This invention relates to devices useful in the production of silicon from a melt. According to the invention there is provided an apparatus for the production of silicon from a melt with an indication of a melt spill, the apparatus comprising a crucible for producing a molten material, a susceptor for the crucible, and a melt-spill indicator comprising four leakage sensors. The susceptor for the crucible has four openings, each for accommodating a guiding rod, and each leakage sensor is composed of two electrodes, one of which being bowl-shaped and arranged under a respective guiding rod. The apparatus has a warning device for giving a warning of the melt spill. The apparatus of the invention provides for conditions of crystallization of polycrystalline silicon with any melt leakage adequately detected.
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