Method for making large-surface silicon crystal bodies

Details Method for making large-surface silicon crystal bodies Method for making large-surface silicon crystal bodies

1984-09-11

1986-07-08

Lusignan, Michael R.

Coating processes

Electrical product produced

Photoelectric

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

Patent

active

045992452

ABSTRACT:
Starting plate-like silicon bodies matched to the dimensions desired in a product silicon crystal bodies are melted and then crystallized on a horizontal carrier member having a net structure using a heater arrangement. The carrier member is substantially not wettable by molten silicon and preferably consists of a quartz glass fiber fabric and is removable after the crystallization. The method is useful for the manufacture of silicon for solar cells and prevents contaminants from the carrier member from being incorporated into the product silicon crystal body and thereby deteriorating the electrical properties of the solar cells.

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

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