Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device
Patent
1997-03-18
1999-02-16
Patel, Vip
Electric lamp and discharge devices
With gas or vapor
Three or more electrode discharge device
313583, 313586, 313619, H01J 1749
Patent
active
058724265
ABSTRACT:
A method and apparatus for stabilizing glow plasma discharges by suppressing the transition from glow-to-arc includes a perforated dielectric plate having an upper surface and a lower surface and a plurality of holes extending therethrough. The perforated dielectric plate is positioned over the cathode. Each of the holes acts as a separate active current limiting micro-channel that prevents the overall current density from increasing above the threshold for the glow-to-arc transition. This allows for a stable glow discharge to be maintained for a wide range of operating pressures (up to atmospheric pressures) and in a wide range of electric fields include DC and RF fields of varying strength.
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Becker Kurt H.
Kunhardt Erich E.
Patel Vip
Stevens Institute of Technology
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