Process for the production of monocrystalline silicon rods

Details Process for the production of monocrystalline silicon rods Process for the production of monocrystalline silicon rods

1976-09-13

1978-06-27

Emery, Stephen J.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156DIG64, 23273SP, B01J 1718

Patent

active

040973298

ABSTRACT:
A process for the production of a monocrystalline silicon rod by withdrawal rom a silicon melt in a drawing chamber by means of a drawing spindle, comprises passing a stream of a protective gas, such as argon, into said chamber during the drawing operation and through a tube which surrounds the drawing spindle and the growing silicon rod, the chamber being maintained under reduced pressure.

REFERENCES:
patent: 2727840 (1955-12-01), Teal
patent: 2962363 (1960-11-01), Martin
patent: 2981687 (1961-04-01), Parmee
patent: 3194637 (1965-07-01), Longini

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