Process for making solar cell base material

Details Process for making solar cell base material Process for making solar cell base material

1980-01-25

1982-12-28

Bernstein, Hiram

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156619, 423348, C30B 1102

Patent

active

043660240

ABSTRACT:
Competitive current generation by the exploitation of solar energy requires cheap solar cells. A process is described which makes it possible to manufacture from silicon a base material for solar cells of this type in an economical manner and in large quantities. This is achieved by bringing silicon from a supply container into contact with a non-elemental lubricating melt, which is immiscible with silicon but will not wet silicon and has a melting point below that of silicon, and by drawing off a silicon film, sliding on this lubricating melt, and solidifying the silicon continuously by cooling to below its' melting point.

REFERENCES:
patent: 2872299 (1959-02-01), Celmer et al.
patent: 3218143 (1965-11-01), Lajarte
patent: 3899304 (1975-08-01), Linares
patent: 4022652 (1977-05-01), Hirano et al.
patent: 4036595 (1977-07-01), Lorenzini
patent: 4058418 (1977-11-01), Lindmayer
patent: 4226834 (1980-10-01), Shudo et al.

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