Corona discharge lamps

Details Corona discharge lamps Corona discharge lamps

2007-04-03

2007-04-03

Wells, Nikita (Department: 2881)

Radiant energy

Ion generation

Field ionization type

C250S424000, C250S325000, C313S231710, C315S111810, C315S111910

Reexamination Certificate

active

11215759

ABSTRACT:
Excimers are formed in a gas (30,130) by applying a pulsed potential between a first electrode (14,114) and a counter electrode (26, 126) so that corona discharge occurs, substantially without arcing, when the potential is on. The pulses or on-times of the potential desirably are about 100 microseconds or less. Use of a pulsed potential provides greater efficiency than a constant potential. Where the excimer-forming gas is a pure inert gas, the gas desirably contains less than 10 ppm water vapor.

REFERENCES:
patent: 6400089 (2002-06-01), Salvermoser et al.
Salvermoser, M. and D. E. Murnick, “Efficient, stable, corona discharge 172 nm xenon excimer light source,” J. Applied Physics, vol. 94, No. 6, Sep. 15, 2003, pp. 3722-3731.

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