Method and apparatus to reduce arcing in electrodeless lamps
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United States of America Patent
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Oct 30, 2012
Grant Date -
May 10, 2012
app pub date -
Nov 4, 2011
filing date -
Jul 23, 2007
priority date (Note) -
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Abstract
A lamp and methods of forming are shown. In one example, a dielectric layer is formed over a gap between conductors in a plasma lamp. Electric arcing is reduced or eliminated, thus allowing tighter gaps and/or higher voltages. In one example a glass frit method is used to apply the dielectric layer. A lamp is shown with a barrier layer that prevents tarnish such as tarnish from sulfur exposure. The barrier layer reduces or prevents degradation of the lamp due to conversion of a conductor material to non-conductive tarnish material.
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