Title:
POLYCRYSTALLINE SILICON FRAGMENT, METHOD FOR MANUFACTURING POLYCRYSTALLINE SILICON FRAGMENT, AND POLYCRYSTALLINE SILICON BLOCK FRACTURE DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/060076
Kind Code:
A1
Abstract:
[Problem] To provide polycrystalline silicon fragments that can contribute to improvement of operability and productivity in manufacture of single crystal silicon ingots. [Solution] Polycrystalline silicon fragments obtained by fracturing polycrystalline silicon blocks, the content ratio of polycrystalline silicon powder having a particle size of 500 to 1000 μm being 0.1 to 40 ppmw.
Inventors:
KAWAGUCHI KAZUHIRO (JP)
FUJII MASAMI (JP)
UCHIDA SHO (JP)
KONDO MANABU (JP)
MITO YOSHIFUMI (JP)
YOSHIMATSU NOBUAKI (JP)
FUJII MASAMI (JP)
UCHIDA SHO (JP)
KONDO MANABU (JP)
MITO YOSHIFUMI (JP)
YOSHIMATSU NOBUAKI (JP)
Application Number:
PCT/JP2015/078723
Publication Date:
April 21, 2016
Filing Date:
October 09, 2015
Export Citation:
Assignee:
TOKUYAMA CORP (JP)
International Classes:
C01B33/02; B02C1/02
Foreign References:
| JP2012162453A | 2012-08-30 | |||
| JP2008503423A | 2008-02-07 | |||
| JP2012046412A | 2012-03-08 | |||
| JP2009184922A | 2009-08-20 | |||
| JP2006192423A | 2006-07-27 | |||
| JPH06144822A | 1994-05-24 |
Other References:
See also references of EP 3208236A4
Attorney, Agent or Firm:
MAEDA & SUZUKI (JP)
Maeda and a Suzuki international patent business corporation (JP)
Maeda and a Suzuki international patent business corporation (JP)
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