Electric heating – Metal heating – By arc
Reexamination Certificate
2011-01-18
2011-01-18
Paschall, Mark H (Department: 3742)
Electric heating
Metal heating
By arc
C219S121520, C219S121590, C315S111210, C313S231410
Reexamination Certificate
active
07872207
ABSTRACT:
A cascade source includes a cathode housing, a number of cascade plates insulated from each other and stacked on top of each other which together bound at least one plasma channel, and an anode plate provided with an outflow opening connecting to the plasma channel. One cathode is provided per plasma channel, which cathode includes an electrode which is adjustable relative to the cathode housing in the direction of the plasma channel. The clamp may be of the collet chuck type. At least a part of the housing of the source may be substantially transparent. A method for controlling the cascade source in use includes monitoring the electromagnetic radiation of the plasma through the substantially transparent housing part, and, dependent on the monitored radiation, controlling the plasma forming process in the source by variation of the gas supply, or variation of the potential difference between the cathode and the anode or a combination thereof.
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Bijker Martin D.
Clijsen Leonardus P. M.
Dings Franciscus C.
Pennings Remco L. J. R.
OTB Solar B.V.
Paschall Mark H
Pillsbury Winthrop Shaw & Pittman LLP
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