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    • 3. 发明公开
    • Optical information recording medium and method for manufacturing the medium
    • Optisches Speichermedium und Verfahren zu dessen Herstellung
    • EP1542210A2
    • 2005-06-15
    • EP04027252.8
    • 2004-11-17
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Sakaue, YoshitakaNishiuchi, KenichiNagata, Ken'ichi
    • G11B7/007G11B7/26
    • G11B7/00736G11B7/268
    • A method for appropriately performing initialization of an optical information recording medium is provided, in which an initialization process is prevented from stopping so that yield from manufacturing the optical information recording medium is improved. In the initialization of an information layer with a burst cutting area (hereinafter referred to as "BCA"), at least one of the initialization conditions including a laser power, a linear speed, and a focal point of the laser beam for the information layer is changed between the BCA region and a data area that is an area for recording and reproducing information. In the initialization of an information layer without the BCA, at least one of the initialization conditions including a laser power, a linear speed, a focal point of the laser beam for the information layer and a feed pitch is changed between the area corresponding to the BCA and the area corresponding to the data area.
    • 提供一种用于适当地执行光学信息记录介质的初始化的方法,其中防止初始化处理停止,从而提高了从制造光学信息记录介质的产量。 在具有突发切割区域的信息层(以下称为“BCA”)的初始化中,包括用于信息层的激光束的激光功率,线速度和焦点中的至少一个初始化条件 在BCA区域和作为用于记录和再现信息的区域的数据区域之间改变。 在没有BCA的信息层的初始化中,包括激光功率,线速度,用于信息层的激光束的焦点和馈送间距的初始化条件中的至少一个在对应于 BCA和对应于数据区域的区域。