Silicon seed production process

Details Silicon seed production process Silicon seed production process

1975-10-31

1980-06-10

Esposito, Michael F.

Coating processes

Particles, flakes, or granules coated or encapsulated

Solid encapsulation process utilizing an emulsion or...

427 86, 427314, 423348, 423349, 423350, 427215, 4272481, B05D 700, C23C 1106

Patent

active

042073600

ABSTRACT:
In the production of elemental silicon by chemical vapor deposition on a particulate seed bed, the continuous generation of seed particles for use or recycle is achieved by the maintenance of a separate, subsidiary reaction zone at a temperature which favors breakage of product particles; while a higher temperature, favorable for deposition, is maintained in the principal reaction zone. The separate reaction zones may be established in separate reactors, or in a single reactor.

REFERENCES:
patent: 3012861 (1961-12-01), Ling
patent: 3012862 (1961-12-01), Bertrand
patent: 3419416 (1968-12-01), Batiuk et al.

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