Crystal grower with torque supportive collapsible pulling mechan

Details Crystal grower with torque supportive collapsible pulling mechan Crystal grower with torque supportive collapsible pulling mechan

1982-01-04

1982-10-05

Bernstein, Hiram

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including specific material of construction

156DIG98, C30B 1532

Patent

active

043527850

ABSTRACT:
A Czochralski-type crystal growing apparatus (10) supports a crystal (12) with respect to a melt (14) by a plurality of flexible cables (41, 42 and 43). The supporting lengths of the cables are radially offset in a horizontal plane from a vertical central axis (29) about which the growing crystal (12) is rotated with respect to the melt (14). Because of their radially offset position, the cables have the capacity to oppose a torque which is typically generated by the relative rotation of the crystal with respect to the melt. The supporting cables (41, 42 and 43) also impart increased orientational stability to a lower support bracket (26) which holds the crystal (12) relative to the melt (14).

REFERENCES:
patent: 1020858 (1912-03-01), Tuite
patent: 2727840 (1955-12-01), Teal
patent: 2753280 (1956-07-01), Moore
patent: 2889240 (1959-06-01), Rosi
patent: 3499736 (1970-03-01), Zwanenburg
patent: 3679370 (1972-07-01), Czeck et al.
patent: 4301120 (1981-11-01), Sibley

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