Method for synthesizing amorphous silicon nitride

Details Method for synthesizing amorphous silicon nitride Method for synthesizing amorphous silicon nitride

1982-07-02

1983-11-22

Meros, Edward J.

Chemistry of inorganic compounds

Silicon or compound thereof

Binary compound

55 82, C01B 2106, B01D 5908

Patent

active

044168632

ABSTRACT:
A method for synthesizing amorphous silicon nitride, wherein silicon halide and ammonia are reacted in a reaction vessel at a high temperature in the absence of oxygen to thereby synthesize powder of amorphous silicon nitride, then the powder is separated from a gas containing therein gaseous ammonia halide which has been produced simultaneously with said amorphous silicon nitride by use of a collecting means, comprises directly mixing, in advance of the separation, cool gas containing therein neither oxygen nor moisture into said gas to cool down said powder and gas so that both substances may be put in said collecting means without deposition of ammonium halide to the inner wall of the reaction vessel, and other component parts.

REFERENCES:
patent: 2675889 (1954-04-01), Frey
patent: 3959446 (1976-05-01), Mazdiyasni et al.
patent: 3979500 (1976-09-01), Sheppard et al.
patent: 4196178 (1980-04-01), Iwai et al.

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