Method large-area silicon bodies

Details Method large-area silicon bodies Method large-area silicon bodies

1984-09-12

1986-07-08

Lusignan, Michael R.

Coating processes

Electrical product produced

Photoelectric

118718, 118725, 136258, 156607, 156DIG84, 156DIG88, 422254, 427 86, 4273743, B05D 512, B05D 302, H01L 3100

Patent

active

045992444

ABSTRACT:
A method and an apparatus is provided for the manufacture of large-area silicon crystal bodies useful for solar cells. A carrier member consisting of a net-like graphite fabric or quartz fabric is moved horizontally through a heater arrangement carrying silicon plates on its surface which are matched to the dimensions of the carrier member. The silicon body is caused to melt and the molten silicon fills in the meshes of the net after which crystallization is induced. Meshes having dimensions up to about 10 mm.times.10 mm are thus filled with silicon. The technique involves low production costs and high product crystal quality and serves for the continuous manufacture of silicon ribbons for solar cells.

REFERENCES:
patent: 4305776 (1981-12-01), Grabmaier
patent: 4330358 (1982-05-01), Grabmaier et al.
patent: 4357200 (1982-11-01), Grabmaier
patent: 4357201 (1982-11-01), Grabmaier et al.

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