Title:
MULTILAYER CRUCIBLE FOR CASTING SILICON INGOT AND METHOD FOR MANUFACTURING THE CRUCIBLE
Document Type and Number:
WIPO Patent Application WO/2011/122585
Kind Code:
A1
Abstract:
Disclosed is a multilayer crucible for casting a silicon ingot, which can suppress mixing of oxygen in the silicon ingot. Also disclosed is a method for manufacturing the multilayer crucible. The multilayer crucible (1) for casting the silicon ingot is provided so as to manufacture the silicon ingot by melting and casting a silicon raw material, and the crucible is provided with a silica layer (3), which is provided on the inner side of a casting mold (2), and a barium coating layer (4), which is provided on the surface of the silica layer (3).
Inventors:
WAKITA SABURO (JP)
TSUZUKIHASHI KOJI (JP)
IKEDA HIROSHI (JP)
KANAI MASAHIRO (JP)
TSUZUKIHASHI KOJI (JP)
IKEDA HIROSHI (JP)
KANAI MASAHIRO (JP)
Application Number:
PCT/JP2011/057708
Publication Date:
October 06, 2011
Filing Date:
March 28, 2011
Export Citation:
Assignee:
MITSUBISHI MATERIALS CORP (JP)
MITSUBISHI MAT ELECT CHEM CO (JP)
WAKITA SABURO (JP)
TSUZUKIHASHI KOJI (JP)
IKEDA HIROSHI (JP)
KANAI MASAHIRO (JP)
MITSUBISHI MAT ELECT CHEM CO (JP)
WAKITA SABURO (JP)
TSUZUKIHASHI KOJI (JP)
IKEDA HIROSHI (JP)
KANAI MASAHIRO (JP)
International Classes:
C01B33/02; C30B29/06
Foreign References:
JPH11244988A | 1999-09-14 | |||
JP2010058987A | 2010-03-18 | |||
JP2006273664A | 2006-10-12 | |||
JP2006273666A | 2006-10-12 | |||
JPH09263489A | 1997-10-07 |
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
Masatake Shiga (JP)
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Claims: