Apparatus for producing superfine particle

Details Apparatus for producing superfine particle Apparatus for producing superfine particle

1989-04-11

1989-11-21

Kastler, S.

Metallurgical apparatus

Means for treating ores or for extracting metals

By means applying heat to work, e.g., furnace

75 05C, 219273, B22F 914

Patent

active

048817228

ABSTRACT:
In preparing superfine particle in a reaction chamber by evaporation-in-gas method or on such processes as PVD or CVD using arc- or high-frequency plasma wherein in the proximity of the inner surface of the said reaction chamber, a vessel provided with a number of pores thereon is arranged and gas consisting of given components is introduced into the space between the inner surface of the chamber and the vessel, and spouted through the said pores on the vessel. The resultant superfine particle produced in the chamber and being in Brownian movement or in thermal migration does not adhere to the surface of the vessel by being separated from the vessel by the spouting gas so that the gas containing superfine particle is directed securely to the collecting path, wherein the vessel is made of the material not reactive with the resultant superfines but resistant to heat.

REFERENCES:
patent: 706475 (1902-08-01), Pohl
patent: 2885201 (1959-05-01), Evenstad
patent: 4423303 (1983-12-01), Hirose et al.
patent: 4734551 (1988-03-01), Cheek

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