Tuning the Thermochemical Properties of Oxonol Dyes for Digital Versatile Disc Recordable: Reduction of Thermal Interference in High-Speed Recording

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  • Morishima Shin-ichi
    Synthetic Organic Chemistry Laboratories, Research & Development Headquarters, Fujifilm Corporation
  • Wariishi Koji
    Synthetic Organic Chemistry Laboratories, Research & Development Headquarters, Fujifilm Corporation
  • Mikoshiba Hisashi
    Synthetic Organic Chemistry Laboratories, Research & Development Headquarters, Fujifilm Corporation
  • Inagaki Yoshio
    Synthetic Organic Chemistry Laboratories, Research & Development Headquarters, Fujifilm Corporation
  • Shibata Michihiro
    Recording Media Research Laboratories, Research & Development Headquarters, Fujifilm Corporation
  • Hashimoto Hirokazu
    Recording Media Research Laboratories, Research & Development Headquarters, Fujifilm Corporation
  • Kubo Hiroshi
    Recording Media Research Laboratories, Research & Development Headquarters, Fujifilm Corporation

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  • ディジタル・ヴァーサタイル・ディスク・レコーダブル用オキソノール色素の熱化学的性質の制御： 高速記録時の熱的干渉の抑制

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To reduce thermal interference between adjacent recording marks on a recordable digital versatile disc, we examined the thermochemical behavior of oxonol dyes for digital versatile disc recordable (DVD-R). We found that oxonol dyes with Meldrum's acid skeleton exhibited an abrupt reduction in weight with increasing temperature without generating excessive heat that is the fundamental cause of thermal interference. DVD-R with the oxonol dyes suppressed fluctuation in the shapes of recorded marks, thereby attaining compatibility with high-speed recording.<br>

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