String stabilized ribbon growth

Details String stabilized ribbon growth String stabilized ribbon growth

1980-01-07

1987-04-28

Straub, Gary P.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156608, 156617SP, 156617R, 156622, 156DIG64, 156DIG88, 156DIG84, 422246, 422249, 148172, 148173, C30B 1102, C30B 1534, B01D 900

Patent

active

046612009

ABSTRACT:
A method and apparatus for stabilizing the edge positions of a ribbon drawn from a melt includes the use of wettable strings drawn in parallel up through the melt surface, the ribbon being grown between the strings. In one embodiment, the string stabilized edge technique is utilized for pulling of the ribbon at an angle to the melt surface. String introduction techniques are also described including several in which the strings are introduced to the melt through apertures in the bottom of the crucible utilized for containing the melt. Also described is a technique for minimizing the introduction of impurities from the melt into a ribbon by constantly flowing the melt under the growth interface in a direction perpendicular to the plane of the growing ribbon.

REFERENCES:
patent: 3002821 (1961-10-01), Haron
patent: 3124489 (1964-03-01), Vogel et al.
patent: 3761295 (1973-09-01), Hulse et al.
patent: 4028059 (1977-06-01), La Belle et al.

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