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The growth of mono-like ingot by directional solidification has suffered serious problems in defect control. We proposed a simple approach by using seed partitions, and the grown crystal had much lower defects and better orientation uniformity. Furthermore, the partitions allowed the much easier seed preparation, which had a significant advantage in production. The concept was demonstrated by a G1...
The growth of solar silicon ingots by directional solidification using small random (chips) and large oriented (mono-chucks) seeds was carried out, and the defect formations using the ingots grown from the different seeds were compared. To have a similar growth environment, the seeds were placed side by side in the same crucible for the growth. It was observed that the silicon grown from small chips...
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