Mass of silicon solidified from molten state and process for...

Chemistry of inorganic compounds – Silicon or compound thereof – Elemental silicon

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C423S348000, C423S350000, C264S013000, C264S014000, C075S340000, C075S341000, C428S402000, C428S613000, C117S077000

Reexamination Certificate

active

07871590

ABSTRACT:
A solidified mass for a high-purity multicrystal silicon material that is preferably applicable to producing crystal type silicon ingots for photo voltaics, and a process for producing the solidified mass are provided. The mass of silicon solidified from molten state is a solidified mass produced by dropping molten silicon into a receiving vessel and allowing the vessel to receive the molten silicon, said solidified mass containing bubbles and having (i) an apparent density of not less than 1.5 g/cm3and not more than 2.2 g/cm3and (ii) a compressive strength of not less than 5 MPa and not more than 50 MPa. The process for producing a mass of silicon solidified from molten state includes the steps of dropping molten silicon into a receiving vessel and allowing the vessel to receive the molten silicon, wherein the surface temperature of the vessel for receiving the molten silicon is not lower than 0° C. and not higher than 1000° C., and the receiving vessel is allowed to receive the molten silicon at a rate of 1×10−3to 5×10−1g/sec·cm2.

REFERENCES:
patent: 6299682 (2001-10-01), Wakita et al.
patent: 6784079 (2004-08-01), Wakamatsu et al.
patent: 6861144 (2005-03-01), Wakamatsu et al.
patent: 2002/0104474 (2002-08-01), Wakamatsu et al.
patent: 1372530 (2002-10-01), None
patent: 6064913 (1994-03-01), None
patent: 11180710 (1999-07-01), None
patent: 11314996 (1999-11-01), None
patent: 2002316813 (2002-10-01), None
patent: 2003104711 (2003-04-01), None
patent: 02100777 (2002-12-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Mass of silicon solidified from molten state and process for... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Mass of silicon solidified from molten state and process for..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Mass of silicon solidified from molten state and process for... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2631447

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.