Electrostatic suspension furnace and method for fusing...

Details Electrostatic suspension furnace and method for fusing... Electrostatic suspension furnace and method for fusing...

2004-02-25

2008-11-04

Van, Quang T (Department: 3742)

Industrial electric heating furnaces

Plural diverse heating means

Arc

C373S010000, C361S144000

Reexamination Certificate

active

07447250

ABSTRACT:
An electrostatic levitation furnace wherein main electrodes opposed to each other within a vacuum chamber are arranged at intervals to form interspaces between them. Auxiliary electrodes are arranged to correspond to each of the electrostatic field generating interspaces, and laser irradiators are arranged above the uppermost main electrode and under the lowermost main electrode, and the main electrode positioned midway between the uppermost and lowest one has a through-hole on an optical path of laser beam which a sample can be passed through. When two species of samples are fused together, regardless of whether or not the samples are conductors, the furnace has the function of melting the levitated samples and fusing them together while maintaining each of the temperatures of the samples, and consequently this permits realization of fusion in a state free of external interference.

REFERENCES:
patent: 3689324 (1972-09-01), Weiner et al.
patent: 7061964 (2006-06-01), Kawasaki et al.
patent: 11-241888 (1999-09-01), None
patent: 2005-206865 (2002-07-01), None

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