Arc tube device and stem structure for electrodeless plasma lamp
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United States of America Patent
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Jan 14, 2014
Grant Date -
Jul 12, 2012
app pub date -
Jan 11, 2011
filing date -
Jan 11, 2011
priority date (Note) -
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Abstract
A plasma lamp apparatus. The apparatus has an arc tube structure having an inner region and an outer region in one or more embodiments. The arc tube structure has a first end comprising an associated first end diameter and a second end comprising a second end diameter according to a specific embodiment. The apparatus also has a center region provided between the first end and the second end in one or more embodiments. The center region has a center diameter, which is less than a first end diameter and/or a second end diameter.
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