Method for reducing plasma constriction by intermediate injectio

Details Method for reducing plasma constriction by intermediate injectio Method for reducing plasma constriction by intermediate injectio

1990-09-26

1992-03-10

Paschall, Mark H.

Electric heating

Metal heating

By arc

219 7616, 219 2151, 21912159, 427 34, B23K 900

Patent

active

050951890

ABSTRACT:
Apparatus and a method for generating an RF plasma plume wherein hydrogen gas is introduced downstream of the means for injecting plasma gas in order to increase the coupling between the RF coil and the plume and to decrease heat loss to the plasma containment walls.

REFERENCES:
patent: 4370538 (1983-01-01), Browning
patent: 4795879 (1989-01-01), Hull et al.
patent: 4805833 (1989-02-01), Seimers
patent: 4818916 (1989-04-01), Morrisroe
patent: 4866240 (1989-09-01), Webber
patent: 4902870 (1990-02-01), Frind et al.

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