Photostability test system
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United States of America Patent
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Apr 17, 2012
Grant Date -
Jan 7, 2010
app pub date -
Nov 5, 2007
filing date -
Nov 24, 2006
priority date (Note) -
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Abstract
A plurality of fluorescent lamps 30 are in a decentered layout so as to be placed in a peripheral part of an upper space of an environmental test chamber 11 above a sample loading surface 21. The irradiance distribution of light from the fluorescent lamps 30 over the sample loading surface 21 is in the range of ±25% relative to the irradiance at the center of the sample loading surface 21.
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