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    • 4. 发明授权
    • Magneto-optical disk apparatus having an adjustment mechanism for setting the position of magnetic heads
    • 具有用于设定磁头位置的调整机构的磁光盘装置
    • US06404705B1
    • 2002-06-11
    • US09042020
    • 1998-03-13
    • Hitoshi WatanabeNorio OhtaMasashi Suenaga
    • Hitoshi WatanabeNorio OhtaMasashi Suenaga
    • G11B1100
    • G11B11/10573G11B11/10541G11B11/10595
    • A magneto-optical disk apparatus and an adjustment method of a head mechanism are provided for strictly and quickly adjusting a setting position of a magnetic head with respect to an optical axis of an optical head. The adjustment method is executed by the following steps. A magnetic super resolution type magneto-optical disk is mounted to the magneto-optical disk apparatus provided with the optical head and the magnetic head. Then, an external magnetic field from the magnetic head is applied onto the magneto-optical disk as applying a laser beam of a reproduction level onto the magneto-optical disk. Then, a reproduction signal output read from the magneto-optical disk is detected concurrently with the application of the external magnetic field. Next, a fine adjustment mechanism is operated so that the reproduction signal output is made maximum with respect to the direction of the external magnetic field, for the purpose of sequentially changing a setting position of the magnetic head with respect of the optical axis of the optical head.
    • 提供一种磁光盘装置和头机构的调整方法,用于严格且快速地调整磁头相对于光学头的光轴的设定位置。 调整方法通过以下步骤执行。 磁性超分辨率型磁光盘被安装到设置有光头和磁头的磁光盘装置上。 然后,将磁头上的外部磁场施加到磁光盘上,将再现电平的激光束施加到磁光盘上。 然后,与外部磁场的施加同时检测从磁光盘读出的再现信号。 接下来,为了顺序地改变磁头相对于光学的光轴的设置位置的目的,操作微调机构使得再现信号输出相对于外部磁场的方向成为最大值 头。
    • 6. 发明授权
    • Optical information recording medium and stamper
    • 光信息记录介质和压模
    • US07643401B2
    • 2010-01-05
    • US11376144
    • 2006-03-16
    • Yusuke TakahashiKatsunori MiyataMasashi SuenagaHitoshi Watanabe
    • Yusuke TakahashiKatsunori MiyataMasashi SuenagaHitoshi Watanabe
    • G11B7/24
    • G11B23/0021G11B7/24094G11B23/40Y10T428/21
    • Disclosed is an optical information recording medium having a printable region on a label surface which is extended to a clamping area, and label information such as a name of a manufacturer is printed in the clamping area. The optical information recording medium includes a substrate having label information pits serving as non-recording and non-reproducing pits that are formed in the clamping area and a reflective layer laminated on the label information pits, and a dummy substrate to be attached to the substrate through an adhesive layer formed on the reflective layer. The multiple label information pits are formed substantially in an entire region of the clamping area to display the label information which emerges by linking portions where the label information pits are not formed.
    • 公开了一种光学信息记录介质,其在标签表面上具有延伸到夹紧区域的可打印区域,并且诸如制造商名称的标签信息被打印在夹紧区域中。 光信息记录介质包括具有用作形成在夹持区域中的非记录和非再现凹坑的标签信息凹坑的基板和层叠在标签信息凹坑上的反射层,以及要附着到基板的虚设基板 通过形成在反射层上的粘合层。 多个标签信息坑基本上形成在夹持区域的整个区域中,以显示通过未形成标签信息坑的链接部分而出现的标签信息。