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    • 8. 发明申请
    • DIGITAL INFORMATION RECORDING MEDIA AND METHOD OF USING SAME
    • 数字信息记录介质及其使用方法
    • WO1996039693A1
    • 1996-12-12
    • PCT/US1996008445
    • 1996-06-03
    • KIMBERLY-CLARK CORPORATION
    • KIMBERLY-CLARK CORPORATIONNOHR, Ronald, SinclairMacDONALD, John, Gavin
    • G11B07/24
    • B41M5/284B41M5/286B41M5/46C07C65/38C08B37/0012C08B37/0015C09D11/17C09D11/30C09D11/328C09D11/36C09D105/16G03G9/08G03G9/0825G03G9/08777G03G9/0906G03G9/0926G03G9/09708G03G9/09733G03G9/09741G03G9/0975G03G9/09758G03G9/09775G03G9/09791G06K1/121G06K19/06046G09F3/0294G11B7/00455G11B7/0052G11B7/244G11B7/246Y10S430/146
    • A digital information recording media which includes a recording layer comprising a light-stable colored composition which composition is mutable or decolorizable upon exposure to a specific wavelength of ultraviolet radiation. The light-stable colored composition includes a colorant and an ultraviolet radiation transorber. The colorant, in the presence of the radiation transorber, is adapted, upon exposure of the transorber to specific, narrow bandwidth ultraviolet radiation, to be mutable. The radiation transorber also imparts light-stability to the colorant so that the colorant does not fade when exposed to sunlight or artificial light. The ultraviolet radiation transorber is adapted to absorb radiation and interact with the colorant to effect the irreversible mutation of the colorant. Especially useful radiation is incoherent, pulsed ultraviolet radiation produced by a dielectric barrier discharge excimer lamp or coherent, pulse radiation produced by an excimer laser. In another embodiment, the colored composition which comprises a colorant and an ultraviolet radiation transorber may also contain a molecular includant having a chemical structure which defines at least one cavity. Each of the colorant and radiation transorber is associated with the molecular includant. In some embodiments, the colorant is at least partially included within a cavity of the molecular includant and the ultraviolet radiation transorber is associated with the molecular includant outside of the cavity. In other embodiments, the radiation transorber is covalently coupled to the molecular includant.
    • 一种数字信息记录介质,其包括包含光稳定着色组合物的记录层,该组合物在暴露于特定波长的紫外线辐射时是可变的或可脱色的。 光稳定着色组合物包括着色剂和紫外线辐射传感器。 在辐射传感器存在的情况下,着色剂在将转子暴露于特定的窄带宽紫外线辐射时是可变的。 辐射传感器还赋予着色剂光稳定性,使得当暴露于阳光或人造光时,着色剂不会褪色。 紫外线辐射传感器适于吸收辐射并与着色剂相互作用以实现着色剂的不可逆突变。 特别有用的辐射是非相干的,由介电阻挡放电准分子灯产生的脉冲紫外线辐射或由准分子激光产生的相干脉冲辐射。 在另一个实施方案中,包含着色剂和紫外线辐射传感器的着色组合物还可以含有具有限定至少一个空腔的化学结构的分子包覆物。 着色剂和辐射传感器中的每一个与分子包涵体相关联。 在一些实施方案中,着色剂至少部分地包含在分子包封物的空腔内,并且紫外线辐射传感器与空腔外部的分子包涵体相关联。 在其它实施方案中,辐射转移体与分子包封体共价偶联。