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Patent Searching and Data


Title:
APPARATUS FOR PRODUCTION OF SILICON INGOT
Document Type and Number:
Japanese Patent JPH11180710
Kind Code:
A
Abstract:

To provide an apparatus for capable of inexpensively producing a polycrystalline silicon ingot with simple constitution.

A chamber in which a transporting means for transporting a casting mold in a horizontal direction is built, is successively provided from the upstream side thereof toward the downstream side, with a casting mold introducing section 25 for introducing the empty casting mold from outside the chamber, a preheating section 26 for subjecting the empty casting mold to preheating, a unidirectionally solidifying section 27 for reserving molten silicon into the preheated empty casting mold and solidifying the molten silicon gradually from the bottom side, a cooling section 28 for cooling the resulting solidified silicon and a take-out section 29 for taking out the solidified silicon together with the casting mold to the outside of the chamber. The molten silicon prepd. in an arc furnace section 30 is dropped and supplied from above the chamber into the empty casting mold positioned at the unidirectionally solidifying section 27.


Inventors:
YOKOYAMA TAKASHI
Application Number:
JP1997000349304
Publication Date:
July 06, 1999
Filing Date:
December 18, 1997
Export Citation:
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Assignee:
DAIDO HOXAN INC
International Classes:
C01B33/02; (IPC1-7): C01B33/02
Attorney, Agent or Firm:
西藤 征彦