Device and method of starting a long radiation source

Details Device and method of starting a long radiation source Device and method of starting a long radiation source

1978-05-15

1980-06-10

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Discharge device load with fluent material supply to the...

With tangential fluent material supply

313198, 3132317, 3151119, 315335, H05B 4122, H01J 6154

Patent

active

042074991

ABSTRACT:
The present invention relates to a method and apparatus for starting and maintaining a long electrical arc in an arc chamber containing a few atmospheres of pressure of an ionizable gas. An electrical potential difference is maintained between two fixed primary electrodes while a short arc is created between the first primary electrode and a pilot electrode, creating ionized gas. The ionized gas is caused to flow towards the second primary electrode thus creating a region of ionized gas between the two primary electrodes, and hence causing a long arc to be struck. This method does not require relative electrode movement as was the case previously.

REFERENCES:
patent: 3222569 (1965-12-01), Winzeler et al.
patent: 3952266 (1976-04-01), Girard et al.

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