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公开(公告)号：US07224544B2
公开(公告)日：2007-05-29
申请号：US10985815
申请日：2004-11-10
IPC分类号： G11B5/03
CPC分类号： G11B5/584 , G11B5/00 , G11B5/00813 , G11B5/02 , G11B5/024 , G11B2005/001
摘要： After a DC erasing is performed in a direction by permanent magnets on a servo signal recording part, servo signals are recorded in the signal recording area of the servo signal recording part by a magnetic field in the direction opposite to that of the DC erasing. Thus, in a recording method for a magnetic recording medium having a data signal recording part and the servo signal recording part on a magnetic layer, accurate servo signals can be recorded and reproduced even on the medium having the magnetic layer of 0.13 μm or smaller.
摘要翻译： 在通过伺服信号记录部件上的永久磁铁的方向进行DC擦除之后，伺服信号以与DC擦除方向相反的方向的磁场记录在伺服信号记录部分的信号记录区域中。 因此，在具有数据信号记录部分和磁性层上的伺服信号记录部分的磁记录介质的记录方法中，即使在具有0.13μm或更小的磁性层的介质上也能够记录和再现精确的伺服信号。
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2.发明申请Recording method for magnetic recording medium, recording device for magnetic recording medium and magnetic recording medium 有权磁记录介质的记录方法，磁记录介质的记录装置和磁记录介质公开(公告)号：US20050099718A1
公开(公告)日：2005-05-12
申请号：US10985815
申请日：2004-11-10
CPC分类号： G11B5/584 , G11B5/00 , G11B5/00813 , G11B5/02 , G11B5/024 , G11B2005/001
摘要： After a DC erasing is performed in a direction by permanent magnets on a servo signal recording part, servo signals are recorded in the signal recording area of the servo signal recording part by a magnetic field in the direction opposite to that of the DC erasing. Thus, in a recording method for a magnetic recording medium having a data signal recording part and the servo signal recording part on a magnetic layer, accurate servo signals can be recorded and reproduced even on the medium having the magnetic layer of 0.13 μm or smaller.
摘要翻译： 在通过伺服信号记录部件上的永久磁铁的方向进行DC擦除之后，伺服信号以与DC擦除方向相反的方向的磁场记录在伺服信号记录部分的信号记录区域中。 因此，在具有数据信号记录部分和磁性层上的伺服信号记录部分的磁记录介质的记录方法中，即使在具有0.13μm或更小的磁性层的介质上也能够记录和再现精确的伺服信号。
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3.发明授权Recording method for magnetic recording medium, recording device for magnetic recording medium and magnetic recording medium 有权磁记录介质的记录方法，磁记录介质的记录装置和磁记录介质公开(公告)号：US07280299B2
公开(公告)日：2007-10-09
申请号：US11633149
申请日：2006-12-04
IPC分类号： G11B5/03
CPC分类号： G11B5/584 , G11B5/00 , G11B5/00813 , G11B5/02 , G11B5/024 , G11B2005/001
摘要： After a DC erasing is performed in a direction by permanent magnets on a servo signal recording part, servo signals are recorded in the signal recording area of the servo signal recording part by a magnetic field in the direction opposite to that of the DC erasing. Thus, in a recording method for a magnetic recording medium having a data signal recording part and the servo signal recording part on a magnetic layer, accurate servo signals can be recorded and reproduced even on the medium having the magnetic layer of 0.13 μm or smaller.
摘要翻译： 在通过伺服信号记录部件上的永久磁铁的方向进行DC擦除之后，伺服信号以与DC擦除方向相反的方向的磁场记录在伺服信号记录部分的信号记录区域中。 因此，在具有数据信号记录部分和磁性层上的伺服信号记录部分的磁记录介质的记录方法中，即使在具有0.13μm或更小的磁性层的介质上也能够记录和再现精确的伺服信号。
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公开(公告)号：US20070076319A1
公开(公告)日：2007-04-05
申请号：US11633149
申请日：2006-12-04
CPC分类号： G11B5/584 , G11B5/00 , G11B5/00813 , G11B5/02 , G11B5/024 , G11B2005/001
摘要： After a DC erasing is performed in a direction by permanent magnets on a servo signal recording part, servo signals are recorded in the signal recording area of the servo signal recording part by a magnetic field in the direction opposite to that of the DC erasing. Thus, in a recording method for a magnetic recording medium having a data signal recording part and the servo signal recording part on a magnetic layer, accurate servo signals can be recorded and reproduced even on the medium having the magnetic layer of 0.13 μm or smaller.
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