Reproducing apparatus, recording and reproducing apparatus and reproducing method
    61.
    发明申请
    Reproducing apparatus, recording and reproducing apparatus and reproducing method 审中-公开
    再现装置,记录和再现装置和再现方法

    公开(公告)号:US20050195722A1

    公开(公告)日:2005-09-08

    申请号:US11065075

    申请日:2005-02-25

    摘要: Provided is a technique for reproducing information recorded on a holographic recording medium including a reflecting layer and a recording layer. When reproducing, a reproducing reference light is focused on a reflecting surface of the reflecting layer to produce a phase conjugate reproduced light and an ordinary reproduced light, and the phase conjugate reproduced light and the ordinary reproduced light are guided to a sensing surface of an image sensor to produce on the sensing surface a first reproduced image and a second reproduced image smaller than the first reproduced image, respectively. An intensity of the ordinary reproduced light on the sensing surface is higher than an intensity of the phase conjugate reproduced light on the sensing surface. An output of the image sensor corresponding to a non-overlapping portion of the first reproduced image which does not overlap the second reproduced image is utilized for reproducing the information.

    摘要翻译: 提供了一种用于再现记录在包括反射层和记录层的全息记录介质上的信息的技术。 当再现时,再现参考光聚焦在反射层的反射表面上以产生相位共轭再现光和普通再现光,并且相位共轭再现光和普通再现光被引导到图像的感测表面 传感器,以在感测表面上分别产生第一再现图像和小于第一再现图像的第二再现图像。 感测表面上的普通再现光的强度高于感测表面上的相位共轭重现光的强度。 利用与不与第二再现图像重叠的第一再现图像的非重叠部分对应的图像传感器的输出来再现信息。

    Magnetic recording apparatus, magnetic recording medium and manufacturing method thereof
    65.
    发明授权
    Magnetic recording apparatus, magnetic recording medium and manufacturing method thereof 有权
    磁记录装置,磁记录介质及其制造方法

    公开(公告)号:US06602620B1

    公开(公告)日:2003-08-05

    申请号:US09472250

    申请日:1999-12-27

    IPC分类号: G11B566

    摘要: A magnetic recording medium comprising a magnetic recording layer formed on a substrate, in which information is recorded by forming recording cells in recording tracks formed on a surface of the magnetic recording layer, wherein the magnetic recording layer has a structure that magnetic particles are formed in a non-magnetic matrix and ordered particle domains in which magnetic particles are arrayed regularly are formed on a surface thereof, and wherein a size in a track width direction of each ordered particle domain is one fifth or more of a width of the recording track formed on the recording layer.

    摘要翻译: 一种磁记录介质,包括形成在基板上的磁记录层,其中通过在磁记录层的表面上形成的记录轨道中形成记录单元来记录信息,其中磁记录层具有形成磁性颗粒的结构 在其表面上形成磁性粒子规则排列的非磁矩阵和有序粒子畴,其中,每个有序粒子畴的轨道宽度方向上的尺寸是形成的记录轨道的宽度的五分之一或更多 在录音层。

    Recording method of a phase change optical recording medium and recording apparatus
    67.
    发明授权
    Recording method of a phase change optical recording medium and recording apparatus 有权
    相变光记录介质的记录方法和记录装置

    公开(公告)号:US06396792B1

    公开(公告)日:2002-05-28

    申请号:US09416952

    申请日:1999-10-13

    IPC分类号: G11B700

    摘要: Laser light used to make crystal space portions on a recording layer is divided into, and irradiated in, at least two kinds of steps. Thus, the recording layer can be maintained in a temperature zone increasing the crystal nuclei generating frequency and in a temperature zone increasing the crystal growth rate with a good balance between these temperature zones. Therefore, it is possible to remove “fail-to-erase” portions upon making crystal space portions by promotion of crystallization and to improve the overwrite erasability. It is especially effective in a mode for recording on a recording medium in a non-initialized status, i.e., in a mode for recording crystal spaces on an as-depo amorphous-state medium.

    摘要翻译: 用于使记录层上的晶体空间部分的激光被分成至少两种步骤并被照射。 因此,记录层可以保持在提高晶核生成频率的温度区域中,并且在温度区域中保持在这些温度区域之间良好平衡的增加晶体生长速率。 因此,可以通过促进结晶而去除晶体空间部分的“失效擦除”部分并提高覆盖擦除性。 在以非初始化状态记录在记录介质上的模式,即在用于记录在非晶体状态介质上的晶体空间记录的模式中,这是特别有效的。