Photochromic material and color dose meter using the same
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United States of America Patent
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Sep 5, 2006
Grant Date -
Sep 16, 2004
app pub date -
Jun 14, 2002
filing date -
Jun 15, 2001
priority date (Note) -
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Abstract
To detect an irradiated radiation efficiently, so that the dose can be measured with high sensitivity. A photochromic material comprising an illuminant(s) which emits a light when irradiated with a radiation and a diarylethene photochromic compound(s) having a specific structure, and a color dose meter employing it.
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