Process for producing a crystalline silicon ingot
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United States of America Patent
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Nov 28, 2006
Grant Date -
Jan 5, 2006
app pub date -
Jun 30, 2004
filing date -
Jun 30, 2004
priority date (Note) -
Expired
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Abstract
An improved process for producing a crystalline silicon ingot, a crystalline silicon wafer and a photovoltaic cell using the directional solidification process, and more particularly to loading and preparing a mold for the process of directional solidification. At least one rod polysilicon section and at least one chunk polysilicon, chip polysilicon or granular polysilicon is loaded into the mold, increasing packing density and thermal conductivity of the polysilicon contents while reducing contamination and resources expended to process a production cycle.
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