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    • 2. 发明申请
    • OPTICAL RECORDING MEDIUM AND METHOD OF RECORDING VISIBLE INFORMATION
    • 光学记录介质和记录可见信息的方法
    • US20090022047A1
    • 2009-01-22
    • US12019145
    • 2008-01-24
    • Nobuo SETOKazumi NIIMichihiro SHIBATA
    • Nobuo SETOKazumi NIIMichihiro SHIBATA
    • G11B7/26
    • G11B23/40C09B67/0033C09B67/0034G11B7/00454G11B7/00455G11B7/2478G11B7/256G11B7/259G11B2007/24612
    • The optical recording medium comprises a visible information recording layer comprising at least two dyes of the following dyes. Ra1 to Rb3 each independently denote a hydrogen atom or a monovalent substituent, Ra2 and Ra3 may bond together to form a five to seven-membered heterocyclic ring, A denotes a substituted or unsubstituted aliphatic group, substituted or unsubstituted aryl group, or substituted or unsubstituted heterocyclic group, n denotes 0, 1, 2, or 3. Za21 and Za22 each independently denote an atom group forming an acidic nucleus, Ma21 to Ma23 each independently denote a substituted or unsubstituted methine group, Ka21 denotes an integer ranging from 0 to 3, and Q denotes a monovalent cation. A1=N—B1  General formula (III) A1 denotes a substituted or unsubstituted heterocyclic group, a substituted aliphatic group, or a substituted or unsubstituted carbocyclic group, and B1 denotes a substituted or unsubstituted heterocyclic group or a substituted or unsubstituted aryl group.
    • 光学记录介质包括可见信息记录层,其包含至少两种以下染料的染料。 Ra1至Rb3各自独立地表示氢原子或一价取代基,Ra2和Ra3可以键合在一起形成五元至七元的杂环,A表示取代或未取代的脂族基,取代或未取代的芳基或取代或未取代的芳基 杂环基,n表示0,1,2或3.Za21和Za22各自独立地表示形成酸性核的原子团,Ma21〜Ma23各自独立地表示取代或未取代的次甲基,Ka21表示0〜3的整数 ,Q表示一价阳离子。 <?in-line-formula description =“In-line Formulas”end =“lead”?> A1 = N-B1通用公式(III)<?in-line-formula description =“In-line Formulas”end = 尾部“→A1表示取代或未取代的杂环基,取代的脂肪族基团或取代或未取代的碳环基,B1表示取代或未取代的杂环基或取代或未取代的芳基。