Optical recording media and dipyrrpomethene-metal chelate compounds
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United States of America Patent
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Issued Date -
Jun 30, 2005
app pub date -
Sep 15, 2004
filing date -
Mar 29, 2002
priority date (Note) -
Abandoned
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Abstract
An optical recording medium containing in the recording layer a dipyrromethene-metal chelate compound of which the initial principal weight loss temperature is thermogravimetrically from 330.degree. C. through 500.degree. C. inclusive, capable of high speed and high density recording and playback with a laser having a wavelength of 520 to 690 nm.
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