Electric heating – Metal heating – By arc
Patent
1991-03-29
1993-11-16
Paschall, Mark H.
Electric heating
Metal heating
By arc
2191214, 156646, 156345, 20429831, 20429836, B23K 900
Patent
active
052626105
ABSTRACT:
A remote microwave plasma generator comprises the combination of two parts, a tunable microwave applicator, and a double wall, water cooled quartz/sapphire tube. The tunable waveguide applicator is a nonconducting adjustable waveguide short with a quartz/sapphire tube inserted through it. The adjustable end is one quarter of a guide wavelength from the center line of the tube, and the other side is 0.1 inches less in distance, thus permitting the applicator to be used with a triple stub tuner for optimum coupling.
REFERENCES:
patent: 4004122 (1977-01-01), Hallier
patent: 4423303 (1983-12-01), Hirose et al.
patent: 4474625 (1984-10-01), Cohen et al.
patent: 4851630 (1989-07-01), Smith
patent: 4889965 (1989-12-01), Gervais et al.
patent: 4908492 (1990-03-01), Okamoto et al.
Davis Cecil J.
Huang Steve S.
Jucha Rhett B.
Loewenstein Lee M.
Garfinkle Irwin P.
Paschall Mark H.
Singer Donald J.
The United States of America as represented by the Air Force
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