Process for the production of coarsely crystalline silicon

Details Process for the production of coarsely crystalline silicon Process for the production of coarsely crystalline silicon

1984-03-13

1985-12-31

Bernstein, Hiram H.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

1641222, C30B 904

Patent

active

045619301

ABSTRACT:
A process for the production of columnarly grown blocks of silicon containing coarsely crystalline regions comprising cooling a silicon melt in a mold, selectively effecting solidification at the melt surface and advancing the solidification front downwardly. The blocks can be sawed into chips, useful for solar cells.

REFERENCES:
patent: 2414680 (1947-01-01), West et al.
patent: 3012865 (1961-12-01), Pellin
patent: 3242015 (1966-03-01), Harris
patent: 3986837 (1976-10-01), Sugiyama et al.
patent: 4256530 (1981-03-01), Schmid et al.
patent: 4341589 (1982-07-01), Grabmaier
patent: 4382838 (1983-05-01), Authier

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