Devices and methods of using HF waves to energize a column of ga

Details Devices and methods of using HF waves to energize a column of ga Devices and methods of using HF waves to energize a column of ga

1975-10-30

1977-09-20

Grimley, Arthur T.

Electric heating

Metal heating

Of cylinders

219 1081, 3132313, H05G 906

Patent

active

040499405

ABSTRACT:
A device which generates plasma by energizing a column of gas with a high frequency periodic electric field of a frequency of at least 100MHz. The generating means extends over only a part of the gas column and the power of the energizing field is such that the plasma generated includes and extends beyond said part of the gas column. In one embodiment the gas column is contained in an elongated insulating casing and the generating means comprises a first metallic tube open at both ends and surrounding a part of the casing, a second tube enclosing the first, and a connecting ring between the first and second tubes.

REFERENCES:
patent: 3445722 (1969-05-01), Scott et al.
patent: 3671195 (1972-06-01), Bersin
patent: 3780255 (1973-12-01), Boom
patent: 3879597 (1975-04-01), Bersin et al.
patent: 3886896 (1975-06-01), Cakenberghe

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