Controlling the melt temperature during zone refining and Czochr

Details Controlling the melt temperature during zone refining and Czochr Controlling the melt temperature during zone refining and Czochr

1977-04-06

1979-11-27

Emery, Stephen J.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156617SP, 156618, 156620, 422249, 422250, B01J 1710, B01J 1718

Patent

active

041760026

ABSTRACT:
A method and apparatus for controlling a heated bath of molten material to obtain controlled solidification, wherein the molten bath is kept in constant rotational movement relative to the solid portion of the material being treated and the mechanical action due to the viscous friction which develops in the bath is detected and thereby controlled, said method being applicable to the floating zone method and the Czochralsky crystal drawing method and being capable of producing ingots of high dimensional regularity.

REFERENCES:
patent: 2992311 (1961-07-01), Keller
patent: 3009973 (1961-11-01), Erneis
patent: 3046379 (1962-07-01), Keller et al.
patent: 3270177 (1966-08-01), Prediger
patent: 3880599 (1975-04-01), Keller

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