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    • 13. 发明申请
    • RECORDING MEDIUM AND INFORMATION RECORDING AND REPRODUCING METHOD USING THE SAME
    • 记录介质和信息记录和使用该记录的再现方法
    • US20080165668A1
    • 2008-07-10
    • US12019323
    • 2008-01-24
    • Yoshio InagakiMasayuki Naya
    • Yoshio InagakiMasayuki Naya
    • G11B7/00G03F7/004
    • B82Y10/00G11B7/00455G11B7/0052G11B7/1384G11B7/244G11B7/247G11B7/259G11B7/2595G11B2007/24624
    • A recording medium comprises a substrate and a recording layer overlaid on the substrate. The recording layer comprises a material, which has properties such that, when recording light having a predetermined wavelength λ1 is irradiated to the material, the material is capable of being caused to change into a fluorescent material and such that, when excitation light having a wavelength λ2 is then irradiated to the thus formed fluorescent material, the fluorescent material is capable of being caused to produce fluorescence. The wavelength λ1 of the recording light and the wavelength λ2 of the excitation light may be identical or different. The substrate may be constituted of a material having properties such that, when the excitation light is irradiated to the material, the material does not produce fluorescence having a wavelength identical with the wavelength of the fluorescence produced by the fluorescent material.
    • 记录介质包括衬底和覆盖在衬底上的记录层。 记录层包括一种材料,其具有这样的特性,即当记录具有预定波长λ1的光被照射到材料时,该材料能够变成荧光材料,并且使得当具有 然后将波长λ2照射到如此形成的荧光材料上,荧光材料能够产生荧光。 记录光的波长λ1和激发光的波长λ2可以相同或不同。 衬底可以由具有这样的特性的材料构成,即当激发光照射到材料时,材料不产生具有与由荧光材料产生的荧光的波长相同的波长的荧光。
    • 17. 发明申请
    • Indolium Compounds and Optical Recording Materials
    • 吲哚类化合物和光记录材料
    • US20070265455A1
    • 2007-11-15
    • US11665449
    • 2005-09-21
    • Toru YanoKoichi Shigeno
    • Toru YanoKoichi Shigeno
    • C07D209/44
    • G11B7/247C09B23/14G11B7/245G11B7/2472G11B7/2475G11B7/2478G11B7/248G11B7/249G11B7/2531G11B7/2534G11B7/2535
    • Indolium compounds of formula (I) exhibit thermal decomposition behavior suitable for optical recording materials used in an optical recording layer of an optical recording medium for high-speed recording. Ring A represents a benzene or naphthalene ring; Z represents, for example, an optionally halogenated C1-8 alkyl group that is optionally interrupted by —O—, —CO—, —OCO—, or —COO—; at least one of R1 and R2 represents a group of formula (II) or (III), and when only one of R1 and R2 is a group of formula (II) or (III), the other represents a C1-30 organic group; R3 and R4 each represent a hydrogen atom, a C1-30 organic group, or others; X represents a C1-8 alkyl group, optionally substituted with a halogen atom or a hydroxyl group or optionally interrupted by an ether bond, or others; Y1 represents a hydrogen atom or a C1-30 organic group; n represents an integer of 0 to 4, q represents an integer of 0 to 4; Anm− represents an m-valent anion; m represents 1 or 2; and p represents a coefficient to keep the electric charge neutral.)
    • 式(I)的吲哚鎓化合物表现出适用于用于高速记录的光记录介质的光记录层中的光记录材料的热分解行为。 环A表示苯或萘环; Z表示例如任选卤代的C 1-8烷基,其任选地被-O - , - CO - , - OCO-或-COO-间隔; R 1和R 2中的至少一个表示式(II)或(III)的基团,当R 1和R 2中只有一个 和R 2是式(II)或(III)的基团,另一个表示C 1〜30的有机基团; R 3和R 4各自表示氢原子,C 1〜30个有机基团等; X表示任选被卤素原子或羟基取代或任选被醚键中断的C 1-8烷基; Y 1表示氢原子或C 1〜30个有机基团; n表示0〜4的整数,q表示0〜4的整数。 A m表示m价阴离子; m表示1或2; p表示保持电荷中性的系数。)