作者: Chandra P. Khattak , Frederick Schmid
DOI:
关键词:
摘要: Abstract of the Disclosure The invention is a method and apparatus for producing silicon ingots substantially single crystallinity from metallurgical grade by heating it in crucible to above its melting point melt then extracting heat bottom with exchanger conducting relationship bottom, moving growing crystal first direction accelerating motion, thereby detaching crystal/liquid interface adhered impurity particles. may be rotated acceleration rotational.