Crucible recovering method and apparatus therefor

Details Crucible recovering method and apparatus therefor Crucible recovering method and apparatus therefor

1988-07-06

1990-07-03

Pal, Asok

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

1566171, 1566181, 422249, C30B 1512

Patent

active

049388371

ABSTRACT:
A method and apparatus for recovering the inner crucible used in a double crucible process of drawing-up a single crystal. The inner crucible is recovered by pulling up the inner crucible above the molten raw material using only a simply arranged jig which does not require reconstruction of the vessel accommodating the single crystal drawing-up system. The arrangement is such that the inner crucible is allowed to rotate during the period in which the single crystal is being grown.

REFERENCES:
patent: 3002824 (1961-10-01), Francis
patent: 3637439 (1972-01-01), DeBie
patent: 4190631 (1980-02-01), Dewees et al.

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