发明授权
US08156830B2 Photostability test system 有权
光稳定性测试系统

Photostability test system
摘要:
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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