Electric heating – Metal heating – By arc
Patent
1989-05-05
1990-03-13
Paschall, M. H.
Electric heating
Metal heating
By arc
21912148, 21912147, 21912136, 219 1055A, 31511121, B23K 900
Patent
active
049084925
ABSTRACT:
A microwave plasma production apparatus according to the present invention is so configured that a cylindrical coaxial wave guide is formed by a cylindrical outer conductor and a helical coil shaped inner conductor, and at least a part of a nonconductive discharge tube is disposed inside said inner conductor, microwave being applied between said outer conductor and said inner conductor.
REFERENCES:
patent: 3980855 (1976-09-01), Boudouris et al.
patent: 4110595 (1978-08-01), Brambilla et al.
patent: 4221948 (1980-09-01), Jean
patent: 4339326 (1982-07-01), Hirose et al.
patent: 4473736 (1984-09-01), Bloyet et al.
patent: 4543465 (1983-09-01), Sakudo et al.
Murayama Seiichi
Okamoto Yukio
Hitachi , Ltd.
Paschall M. H.
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