Polycrystalline graphite bottom plate
The reasonable use of the graphite bottom plate can achieve a reasonable effect of the solid-liquid interface distribution of polycrystalline silicon in the growth process, which is conducive to impurity impurity during the growth process and can greatly improve the overall quality of the crystal.
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The reasonable use of the graphite bottom plate can achieve a reasonable effect of the solid-liquid interface distribution of polycrystalline silicon in the growth process, which is conducive to impurity impurity during the growth process and can greatly improve the overall quality of the crystal.
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