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    • 22. 发明授权
    • Optical recording medium using a polymethine dye
    • 使用聚甲基染料的光记录介质
    • US5492792A
    • 1996-02-20
    • US58761
    • 1993-05-10
    • Miki TamuraTsuyoshi SantohChieko Mihara
    • Miki TamuraTsuyoshi SantohChieko Mihara
    • G11B7/247G11B7/2472G11B7/24G11B7/26
    • G11B7/247G11B7/2472Y10S430/146
    • An optical recording medium of the present invention has a recording layer containing an organic coloring matter expressed by the following formula (I) or (II): ##STR1## wherein R.sub.0 through R.sub.5 each indicate a hydrogen atom or an monovalent organic residue, at least one of R.sub.0 through R.sub.3 being a fluorine-containing monovalent organic residue; m indicates 0, 1 or 2; and X.sup..crclbar. indicates an anion residue. ##STR2## wherein X.sup..crclbar. indicates an anion residue; m indicates 0, 1 or 2; and R.sub.0' and R.sub.3' are atoms forming combinations of R.sub.0' and R.sub.1', and R.sub.2', and R.sub.3' at least one of which forms, with a nitrogen atom, a fluorine-containing substituted or unsubstituted pyrrolidine ring, a fluorine-containing substituted or unsubstituted piperidine ring, a fluorine-containing substituted or unsubstituted morpholine ring, a fluorine-containing substituted or unsubstituted tetrahydropyridine ring, a fluorine-containing substituted or unsubstituted cyclohexylamine ring expressed by the formula ##STR3## and the other substituents each being a hydrogen atom or a monovalent organic residue; and R.sub.4, and R.sub.5, each indicate a hydrogen atom or a monovalent organic residue.
    • 本发明的光记录介质具有含有下式(I)或(II)表示的有机色素的记录层:其中R 0〜R 5分别表示氢原子或一价有机残基 ,R 0〜R 3中的至少一个为含氟一价有机残基; m表示0,1或2; X( - )表示阴离子残基。 (II)其中X( - )表示阴离子残基; m表示0,1或2; R 0'和R 3'是形成R 0'和R''的组合的原子,R 2'和R 3'至少一个与氮原子一起形成含氟取代或未取代的吡咯烷环,含氟 取代或未取代的哌啶环,含氟取代或未取代的吗啉环,含氟取代或未取代的四氢吡啶环,由式为氢原子或一价有机残基的含氟取代或未取代的环己胺环; R 4和R 5各自表示氢原子或一价有机残基。