Optical recording medium and composition used for recording layer thereof
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United States of America Patent
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app pub date -
Mar 31, 2003
filing date -
Jun 26, 2000
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Abstract
The present invention provides an optical recording medium containing a phthalocyanine compound in its recording layer and, particularly, a CD-R in which the color of the disk as viewed from the substrate side disappears apparently as if the colorant-containing recording layer were not present Disclosed is an optical recording medium produced by laminating a recording layer, a reflecting layer and a protective layer on the transparent substrate, the recording layer comprising a phthalocyanine compound and a reddish colorant.
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