Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Including specific material of construction
Patent
1981-02-25
1986-06-10
Bernstein, Hiram H.
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Including specific material of construction
C30B 1534
Patent
active
045942293
ABSTRACT:
An economical method is presented for forming thin sheets of crystalline silicon suitable for use in a photovoltaic conversion cell by solidification from the liquid phase. Two spatially separated, generally coplanar filaments wettable by liquid silicon and joined together at the end by a bridge member are immersed in a silicon melt and then slowly withdrawn from the melt so that a silicon crystal is grown between the edge of the bridge and the filaments.
REFERENCES:
patent: 3303319 (1967-02-01), Steigerwald
patent: 3729291 (1973-04-01), Bleil
patent: 4000030 (1976-12-01), Ciszek
Ciszek et al, "Inexpensive Silicon Sheets for Solar Cells", published in NASA Tech. Briefs, Winter 1977, pp. 432-433.
Swartz et al., "The EFG Process Applied to Silicon Ribbons", published in J. of Electronic Materials, vol. 4, No. 2, 1975, pp. 255-279.
Ciszek, "EFG of Silicon Ribbons", published in Mat. Res. Bull., vol. 7, pp. 731-738, Jun. 1972.
Barrett et al, "Growth of Wide, Flat Crystals of Silicon Web", published in J. Electrochem. Soc.: Solid State Scien., Jun. 1971, pp. 952-957.
Ciszek Theodore F.
Hurd Jeffery L.
Bernstein Hiram H.
Dishong George W.
Sachs Emanuel M.
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