Glow discharge lamp
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United States of America Patent
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Nov 1, 2016
Grant Date -
May 21, 2015
app pub date -
Jul 10, 2013
filing date -
Jul 11, 2012
priority date (Note) -
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Abstract
The disclosure includes a glow-discharge lamp including: an elongate casing transparent to illuminating radiation and containing a plasma gas; a device for applying an electric field for maintaining a plasma in the so-called positive column region of the casing, the device including two electrodes forming an anode and a cathode located in the casing at each end thereof; and a radio-frequency or microwave cathode plasma source arranged in the casing in relation to the cathode-forming electrode, such as to generate a high-frequency discharge located on the surface of the electrode in order to generate the plasma. The disclosure also includes a lighting method of such a glow-discharge lamp.
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