High pressure mercury vapor discharge lamp
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United States of America Patent
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-
Mar 9, 1982
Grant Date -
N/A
app pub date -
Jan 21, 1980
filing date -
Feb 26, 1979
priority date (Note) -
Expired
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Abstract
A high-pressure mercury vapor discharge lamp comprising tin iodide, tin chloride and tin bromide in addition to a rare gas and mercury. The molar fraction of iodine is at least 0.20, the molar fraction of bromine at least 0.25 and the molar fraction of chlorine at least 0.05.
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