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    • 3. 发明授权
    • Optical recording medium
    • 光记录介质
    • US07932015B2
    • 2011-04-26
    • US10748979
    • 2003-12-30
    • Koji MishimaHiroyasu InoueTsuyoshi KomakiDaisuke YoshitokuHitoshi AraiKenji YamagaHironori Kakiuchi
    • Koji MishimaHiroyasu InoueTsuyoshi KomakiDaisuke YoshitokuHitoshi AraiKenji YamagaHironori Kakiuchi
    • G11B7/24
    • G11B7/24038G11B7/2433G11B7/256G11B7/257Y10S430/146
    • An optical recording medium includes a substrate and a plurality of recording layers laminated via at least intermediate layers, at least one of the recording layers other than a recording layer farthest from a light incidence plane among the plurality of recording layers containing at least one metal M selected from a group consisting of Ni, Cu, Si, Ti, Ge, Zr, Nb, Mo, In, Sn, W, Pb, Bi, Zn and La and an element X which can combine with the metal M upon being irradiated with a laser beam for recording data, thereby forming a crystal of a compound of the element X with the metal M. According to the thus constituted optical recording medium, it is possible to record data in and reproduce from a farthest recording layer from a light incidence plane in a desired manner and it is possible to record data in and reproduce from recording layer(s) other than the farthest recording layer from the light incidence plane in a desired manner.
    • 一种光记录介质,包括至少中间层层叠的基板和多层记录层,所述多个记录层中的至少一个记录层,其中所述多个记录层中的至少一个记录层不同于多个记录层中最远离光入射面的记录层, 选自由Ni,Cu,Si,Ti,Ge,Zr,Nb,Mo,In,Sn,W,Pb,Bi,Zn和La组成的组中的一种元素X,以及可以与金属M组合的元素X 用于记录数据的激光束,从而用金属M形成元件X的化合物的晶体。根据这样构成的光学记录介质,可以将记录数据从最远的记录层记录并从其再现 以期望的方式平面,并且可以以期望的方式将数据记录在除光入射平面以外的记录层之外的记录层并从其再现。
    • 5. 发明申请
    • Method for manufacturing stamper for information medium manufacture, stamper, and photoresist original disk
    • 用于信息介质制造,压模和光致抗蚀剂原盘的压模的制造方法
    • US20050066825A1
    • 2005-03-31
    • US10500008
    • 2002-12-27
    • Hisaji OyakeHiroaki TakahataHitoshi AraiHajime Utsunomiya
    • Hisaji OyakeHiroaki TakahataHitoshi AraiHajime Utsunomiya
    • G11B7/26
    • G11B7/261G03F7/0017G11B7/263
    • A stamper with a sharp protrusion/depression pattern is obtained, and high precision information media can be produced using this stamper. A method of manufacturing a stamper comprises the steps of manufacturing a photoresist master 100 by laminating a light absorption layer 103 and a photoresist layer 104 on top of a substrate 102, and then forming an protrusion/depression pattern 106 in the photoresist layer 104 by forming and developing a latent image, providing Pd on the surface of the protrusion/depression pattern 106 as a preliminary treatment to conducting electroless plating onto the protrusion/depression pattern of the photoresist master 100, and forming a stamper 120 by forming a thin metal film 108 on top of the Pd-containing protrusion/depression pattern surface by using electroless plating, forming a Ni film 110 on top of this Ni thin film 108 using electroforming, and then removing the thin metal film 108 and the Ni film 110.
    • 获得具有尖锐突起/凹陷图案的压模,并且可以使用该压模生产高精度信息介质。 制造压模的方法包括以下步骤:通过在基板102的顶部上层叠光吸收层103和光致抗蚀剂层104,然后在光致抗蚀剂层104中形成突起/凹陷图案106,通过形成 并显影潜像,在突起/凹陷图案106的表面上提供Pd作为对光致抗蚀剂母版100的突起/凹陷图案进行化学镀的初步处理,以及通过形成薄金属膜108形成压模120 通过使用无电解电镀在含Pd的突起/凹陷图案表面的顶部上,使用电铸在该Ni薄膜108的顶部上形成Ni膜110,然后除去薄金属膜108和Ni膜110。