Silicon melting and evaporation method for high purity applicati

Details Silicon melting and evaporation method for high purity applicati Silicon melting and evaporation method for high purity applicati

1984-07-20

1985-10-22

Pianalto, Bernard D.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

23293R, 75 10R, 156610, 156617M, 373 61, 373 62, 373 63, 4272481, C22B 400

Patent

active

045486700

ABSTRACT:
A high-purity method of forming a silicon melt utilizes a solid silicon body which is drilled to provide bores into which electrodes are inserted. The electrodes preferably are also of silicon and an electric arc-current is passed through the electrodes to generate an arc which melts out the body to define a cavity therein containing the melt. The melt may be used for the drawing of a silicon bar or for the deposition of silicon in vapor form from the melt upon a substrate in a vacuum chamber.

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