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    • 6. 发明申请
    • LIMITING SHELF LIFE FOR LIMITED PLAY OPTICAL INFORMATION STORAGE MEDIA
    • 有限播放光信息存储媒体的限制性寿命
    • WO02058056A1
    • 2002-07-25
    • PCT/US2001/047851
    • 2001-12-11
    • B01D53/02B01D53/34G11B7/24G11B7/252G11B7/257G11B23/28G11B3/70B32B3/00
    • G11B7/252B01D53/02B01D53/34G11B7/256G11B7/2575G11B7/2585G11B23/282
    • An optically readable media and packaging therefor, where the media includes a material that over time undergoes at least one of a chemical change or a physical change to render unreadable the optically readable media. The media is sealed within the packaging with a source of a chemical compound that inhibits the change, and the media is also sealed within the packaging with a getter of the chemical compound that over time absorbs said chemical compound, or which a substance that over time renders unreactive a reactive chemical compound. In a further embodiment the media is sealed within the packaging with a getter of a chemical compound that promotes the change. In this case the getter absorbs the chemical compound until saturated with the chemical compound, after which the concentration of the chemical compound until saturated with the chemical compound, after which the concentration of the chemical compound increases until the media is rendered unreadable. As non-limiting examples, the chemical compound may be NMP, DMF, acetone, or HCl. In another embodiment the media further includes a diffusion barrier that inhibits but does not prevent the chemical compound from reaching a layer of the media that over time undergoes at least one of a chemical change or a physical change to render unreadable the optically readable media, while in another embodiment the source of the chemical compound includes the diffusion barrier. In a further embodiment the media includes a first layer that over time undergoes the at least one of a chemical change or a physical change, a second layer that contains the source of a chemical compound that promotes the change, and the diffusion barrier is interposed between the first layer and the second layer.
    • 一种光学可读介质及其包装,其中介质包括随时间经历化学变化或物理变化中的至少一种的材料,以使得不可读的光学可读介质。 介质用封闭的化学物质源封装在包装内,该化合物源可以抑制变化,并且介质也随着化学化合物的吸气剂被密封在一起,随着时间的推移吸收化学化合物,或者随着时间的推移吸收物质 使反应性化合物反应。 在另一个实施方案中,介质用促进变化的化合物的吸气剂封装在包装内。 在这种情况下,吸气剂吸收化学化合物,直到化学化合物饱和,然后化学化合物的浓度直到饱和化学化合物,之后化合物的浓度增加,直到介质变得不可读。 作为非限制性实例,化合物可以是NMP,DMF,丙酮或HCl。 在另一个实施方案中,介质还包括扩散阻挡层,其阻止但不阻止化合物达到介质层,随着时间经历化学变化或物理变化中的至少一种,使得不可读的光学可读介质,而 在另一个实施方案中,化合物的来源包括扩散阻挡层。 在另一实施例中,介质包括随时间经历化学变化或物理变化中的至少一个的第一层,包含促进变化的化学化合物源的第二层,并且扩散阻挡层介于 第一层和第二层。
    • 7. 发明申请
    • OPTICAL STORAGE MEDIUM
    • 光存储介质
    • WO02035525A2
    • 2002-05-02
    • PCT/US2001/031506
    • 2001-10-09
    • C09J5/00C09J201/00G11B7/24024G11B7/24038G11B7/24056G11B7/252G11B7/253G11B7/2534G11B7/254G11B7/2542G11B7/256G11B7/257G11B7/258G11B7/2585G11B7/2595G11B7/26G11B7/00
    • G11B7/256G11B7/24024G11B7/24038G11B7/24056G11B7/2534G11B7/2542G11B7/2585G11B7/2595G11B7/26
    • The invention refers to an optical storage medium from which information can be read out and/or into which information can be recorded with a light beam (6), said optical storage medium comprising one or more base members (1) bearing on the side of the base members (1) on which the light beam (6) is incident, one or more information storage layers (3), at least one light-transmissive cover film (5) and one or more light-transmissive adhesive layers (4) bonding said cover films (5) to each other, to the surface (2) of the base members (1) on which the light beam (6) is incident and/or to one or more information storage layers (3), at least one of said adhesive layers being obtained by applying a curable liquid precursor of said adhesive with subsequent curing, said cover films (5) exhibiting a vertical birefringence of less than 0.001 at 20 DEG C at least at the wavelength or wavelength spectrum, respectively, of said light beam (6).
    • 本发明涉及一种光学存储介质,从该光学存储介质可以读出和/或可用光束(6)记录信息的信息,所述光学存储介质包括一个或多个基座构件(1) 光束(6)入射的基底构件(1),一个或多个信息存储层(3),至少一个透光覆盖膜(5)和一个或多个透光粘合剂层(4) 将所述覆盖膜(5)彼此粘合到至少在所述光束(6)入射的基底构件(1)的表面(2)和/或至少一个或多个信息存储层(3) 所述粘合剂层之一是通过随后固化涂覆所述粘合剂的可固化液体前体而获得的,所述覆盖膜(5)在20℃下至少在波长或波长谱上分别呈现小于0.001的垂直双折射率 所述光束(6)。