Methods for producing optical recording medium and optical recording medium
    3.
    发明授权
    Methods for producing optical recording medium and optical recording medium 有权
    光记录介质和光记录介质的制造方法

    公开(公告)号:US07871685B2

    公开(公告)日:2011-01-18

    申请号:US11101423

    申请日:2005-04-08

    IPC分类号: B32B3/02

    摘要: The present invention provides a method for producing an optical recording medium having: a supporting substrate; a light transmission layer, which transmits a laser beam; and an information layer formed between the supporting substrate and the light transmission layer, which includes: applying a resin composition on the information layer by a spin coating method to form a coating film, wherein the resin composition contains, as main components: (A) a radical-curing urethane(meth)acrylate, which is obtained by reacting (a-1) a compound having three or more isocyanate groups binding to an aliphatic carbon atom per one molecule thereof and (a-2) a polycaprolacton-modified hydroxyethyl(meth)acrylate; and (B) a radical-curing monomer having a viscosity of 400 mPa.s or less at 25° C., curing the coating film by irradiating the coating film with an ultraviolet light or an electron beam to form the light transmission layer.

    摘要翻译: 本发明提供一种光记录介质的制造方法,其具有:支撑基板; 传输激光束的光透射层; 以及形成在所述支撑基板和所述透光层之间的信息层,其包括:通过旋涂法在所述信息层上涂布树脂组合物以形成涂膜,其中所述树脂组合物含有作为主要成分的主要成分:(A) 通过使(a-1)具有三个以上与每一分子中的脂肪族碳原子结合的异氰酸酯基的化合物与(a-2)聚己内酯改性的羟乙基(A-1)反应而得到的自由基固化性氨基甲酸酯(甲基) 甲基)丙烯酸酯; 和(B)在25℃下粘度为400mPa.s以下的自由基固化性单体,通过用紫外线或电子束照射该涂膜使该涂膜固化,形成透光层。

    Optical information recording medium
    8.
    发明授权
    Optical information recording medium 有权
    光信息记录介质

    公开(公告)号:US07414954B2

    公开(公告)日:2008-08-19

    申请号:US11350585

    申请日:2006-02-08

    IPC分类号: G11B7/24 B32B3/02

    摘要: A phase-change optical information recording medium in which information can be recorded, reproduced and rewritten and which includes a first transparent substrate having a wobbling guide groove which is spirally formed thereon at a pitch; a first dielectric layer located overlying the first transparent substrate and having an optical thickness of from 80 nm to 200 nm; a phase-change recording layer located overlying the first dielectric layer and having an optical thickness of from 20 to 50 nm when the recording layer is in an erased state; a second dielectric layer located overlying the recording layer and having an optical thickness of from 10 nm to 70 nm; a reflection layer located overlying the second dielectric layer; optionally a third dielectric layer located between the second dielectric layer and the reflection layer; and a second transparent substrate located overlying the reflection layer.

    摘要翻译: 一种相变光学信息记录介质,其中可以记录,再现和重写信息,并且包括具有以间距螺旋地形成的摆动导向槽的第一透明基板; 位于第一透明基板上方并具有80nm至200nm的光学厚度的第一介电层; 当所述记录层处于擦除状态时,位于所述第一介电层上并且具有20至50nm的光学厚度的相变记录层; 位于所述记录层上方并且具有10nm至70nm的光学厚度的第二电介质层; 位于第二介电层上的反射层; 可选地,位于第二介电层和反射层之间的第三电介质层; 以及位于反射层上方的第二透明基板。

    Optical recording medium
    10.
    发明申请
    Optical recording medium 审中-公开
    光记录介质

    公开(公告)号:US20070178271A1

    公开(公告)日:2007-08-02

    申请号:US11344352

    申请日:2006-01-31

    申请人: Makarand Gore

    发明人: Makarand Gore

    IPC分类号: B32B3/02

    CPC分类号: G11B7/253 G11B7/24085

    摘要: Systems and method for optically recording data. One method comprises providing an optical recording medium comprising a substrate coated with a markable coating, said markable coating comprising a matrix and a color-forming agent comprising a leuco dye and developer, and using energy having a predetermined wavelength to form an optically detectable mark in the markable coating, the mark having a size less than 0.90 μm.

    摘要翻译: 用于光学记录数据的系统和方法。 一种方法包括提供包括涂覆有可标记涂层的基底的光学记录介质,所述可标记涂层包含基质和包含无色染料和显影剂的成色剂,并且使用具有预定波长的能量以形成光学可检测标记 可标记涂层,标记尺寸小于0.90μm。