ELECTRODE FOR A SHORT-ARC HIGH PRESSURE LAMP
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United States of America Patent
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Issued Date -
Mar 2, 2017
app pub date -
Jan 30, 2015
filing date -
Feb 27, 2014
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Abstract
An electrode (1) of a discharge device (e.g. the cathode of a discharge lamp) having a side area (4) and a tip area (5) implanted with an emissive material dopant induced by ion implantation is disclosed. The side area (4) of the electrode (1) may be masked (3) during ion implantation or a diffusion barrier layer (7) may be added on the side area (4) after ion implantation.
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