Optical recording material
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United States of America Patent
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app pub date -
Feb 19, 2003
filing date -
Aug 4, 1999
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Abandoned
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Abstract
An optical recording medium comprising a substrate having formed thereon a thin film comprising an organic compound dye that can form pits when irradiated with a semiconductor laser beam and a compound represented by formula (I) as a recording layer: 1 wherein X represents a metallocene group; ring A represents a specific heterocyclic ring with the metallocene group X bonded to the 2-position thereof; An.sup.m- represents an m-valent anion; m represents 1 or 2; and p represents a coefficient for maintaining the charges neutral.
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