Optical recording medium using formazan metal complex dye and photo-stabilizing method
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United States of America Patent
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Feb 18, 1997
Grant Date -
N/A
app pub date -
Oct 3, 1995
filing date -
Feb 27, 1995
priority date (Note) -
Expired
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Abstract
A formazan metal complex dye is contained as a light absorbing dye in a recording layer to construct an optical recording medium. The formazan metal complex dye has high solubility and a relatively-low thermal decomposition temperature and the recording medium exhibits high sensitivity, especially high recording sensitivity, and improved light resistance. The formazan metal complex dye can be used as a photo-stabilizer in an optical recording medium. The formazan metal complex dye is also effective for stabilizing conventional dyes against light.
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