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Cleaning equipment for semiconductor substrates
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High-quality silicon single crystal
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Method for melting polycrystalline silicon
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Production of high quality silicon wafer
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Method for controlling single crystal pulling-up rate
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Control of oxygen concentration in single crystal
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Production of silicon single crystal wafer
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Method and device for heat-treating silicon semiconductor substance
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Method for growing single crystal
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Silicon melting crucible
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Method for melting silicon single crystal raw material
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