Apparatus for preparation of a compound or an alloy

Details Apparatus for preparation of a compound or an alloy Apparatus for preparation of a compound or an alloy

1976-12-27

1979-07-24

Bernstein, Hiram H.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including specific material of construction

156613, B01J 1726

Patent

active

041622936

ABSTRACT:
Apparatus for the preparation of a semiconductor compound having one component with a substantially higher vapor pressure than the other using a closed horizontal ampule in a pressure vessel with the two ends of the ampule located in respective heating ovens in which the ampule is self supporting without a support tube in the zone between the heating ovens thereby permitting this zone, which is highly heated by means of an inductive heating apparatus or the like, to be cooled directly by means of a cooling gas circulating in the pressure vessel and in which the coupling of the heating means to a graphite boat or the like inside the ampule is improved.

REFERENCES:
patent: 2893847 (1959-07-01), Schweikert et al.
patent: 3188373 (1965-06-01), Brunet et al.
patent: 3366454 (1968-01-01), Foiberth et al.
patent: 3725284 (1973-04-01), Touchy
patent: 3877883 (1975-04-01), Berkman et al.
patent: 3884642 (1975-05-01), Benedict
C. T. Frosch et al., J. of Electrochemical So., vol. 108, pp. 251-257, 1961.
F. A. Cunnell et al., J. of Scientific Instruments, vol. 37, 11/60, pp. 410-414.

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