Ribbon growing method and apparatus

Details Ribbon growing method and apparatus Ribbon growing method and apparatus

1985-04-04

1989-08-29

Richman, Barry S.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

1566171, 1566201, 156DIG64, 156DIG84, 156DIG89, 118405, 118407, 118419, 118428, 118429, 422249, 427 80, C30B 906

Patent

active

048614165

ABSTRACT:
A method and apparatus are described which facilitate the growing of silicon ribbon. A container for molten silicon has a pair of passages in its bottom through which filaments extend to a level above the molten silicon, so as the filaments are pulled up they drag up molten silicon to form a ribbon. A pair of guides surround the filaments along most of the height of the molten silicon, so that the filament contacts only the upper portion of the melt. This permits a filament to be used which tends to contaminate the melt if it is in long term contact with the melt. This arrangement also enables a higher melt to be used without danger that the molten silicon will run out of any bottom hole.

REFERENCES:
patent: 4046954 (1977-09-01), Ehman et al.
patent: 4269652 (1981-05-01), Yancey
patent: 4520752 (1985-06-01), Belouet

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