Apparatus for vapor-phase epitaxial growth

Single-crystal – oriented-crystal – and epitaxy growth processes; – Apparatus – With means for treating single-crystal

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117204, 118715, 118723VE, C30B 3500

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active

056722044

ABSTRACT:
An apparatus for a vapor-phase epitaxial growth of a thin film on a substrate, which attains a decrease in the transition width, and at the same time, enables the thin film to be formed in a uniform thickness. This apparatus comprises a reaction vessel 18 of a flat shape, supply nozzles 15 for feeding a source gas 19 from a peripheral part of the reaction vessel 18, a susceptor 13 for holding a semiconductor single crystal substrate(s) 12 substantially horizontally, an infrared heating lamp 14, and a gas outlet 11 provided in a central part of an upper wall of the reaction vessel 18. Owing to this apparatus, the source gas 19 is gathered in a central part of the reaction vessel 18 without forming a vortex and then is discharged through the gas outlet 11.

REFERENCES:
patent: 3293074 (1966-12-01), Nickl
patent: 4033286 (1977-07-01), Shy-Shiun et al.
patent: 4323031 (1982-04-01), Kaplan
patent: 4512283 (1985-04-01), Bonifield et al.
patent: 5531834 (1996-07-01), Ishizuka et al.
Journal of Crystal Growth 107 No. 1/04 1 Jan. 1991.

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