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公开(公告)号：US06577459B1
公开(公告)日：2003-06-10
申请号：US09592447
申请日：2000-06-12
IPC分类号： G11B586
CPC分类号： G11B5/865
摘要： The present invention provides a method for magnetic transfer and an apparatus for magnetic transfer, by which it is possible to transfer a transfer pattern with high quality from a master carrier for magnetic transfer to a slave medium by magnetic transfer regardless of position of the magnetic pattern. The method and the apparatus for magnetic transfer according to the present invention are used to apply magnetic field for transfer by bringing the master carrier for magnetic transfer into contact with the slave medium, the master carrier having a magnetic layer formed on a portion corresponding to an information signal on surface of a substrate, and the slave medium being a magnetic recording medium for receiving magnetic transfer after performing initial DC magnetization by a magnetic field by more than 1.5 times higher than the coercive force Hcm of the slave medium under the condition that the slave medium is combined with the master carrier for magnetic transfer closely together, and a recording information on the master carrier for magnetic transfer is transferred by applying a magnetic field in opposite direction to the direction of the initial DC magnetization under the condition that the slave medium is combined with the master carrier for magnetic transfer closely together.
摘要翻译： 本发明提供一种用于磁转移的方法和用于磁转移的装置，通过该方法，可以通过磁传递将高质量的转印图案从用于磁转移的主载体传送到从属介质，而不管磁图案的位置如何 。 根据本发明的用于磁转移的方法和装置用于通过使用于磁传输的主载体与从属介质接触来施加用于传送的磁场，所述主载体具有形成在对应于 信息信号，从属介质是磁记录介质，用于在从属介质的矫顽力Hcm高出1.5倍以上的磁场进行初始DC磁化之后接收磁传递，条件是 从属介质与用于磁传递的主载体紧密结合在一起，并且在从属介质的条件下，通过在与初始DC磁化方向相反的方向上施加磁场来传送关于磁传递的主载波的记录信息 与主载体紧密结合在一起。
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公开(公告)号：US06906875B2
公开(公告)日：2005-06-14
申请号：US10144024
申请日：2002-05-14
申请人： Akito Kamatani , Masakazu Nishikawa , Makoto Nagao , Kazunori Komatsu , Tsuneo Inui , Kazuhiro Niitsuma
发明人： Akito Kamatani , Masakazu Nishikawa , Makoto Nagao , Kazunori Komatsu , Tsuneo Inui , Kazuhiro Niitsuma
CPC分类号： G11B5/865 , G11B23/505 , G11B2005/001
摘要： A magnetic transfer device for bringing a master carrier with information and a slave medium into intimate contact with each other and then applying a transfer field to transfer the information to the slave medium. The master carrier has an inclined face on its radially outer end. After the magnetic transfer of the information, claws are inserted in the gas formed by the inclined face of the master carrier and the slave medium. The slave medium held in intimate contact with the master carrier is separated from the master carrier by lifting the slave medium with the claws.
摘要翻译： 一种用于使具有信息的主载波与从属介质彼此紧密接触，然后施加传送场以将信息传送到从属介质的磁传输装置。 主托架在其径向外端具有倾斜面。 在信息的磁传递之后，将爪插入由主载体和从属介质的倾斜面形成的气体中。 与主托架保持紧密接触的从属介质通过用爪提起从属介质与主托架分离。
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公开(公告)号：US06636371B1
公开(公告)日：2003-10-21
申请号：US09558326
申请日：2000-04-26
IPC分类号： G11B586
CPC分类号： G11B5/865
摘要： The invention provides a magnetic transfer method in which a magnetic transfer master carrier having a magnetic layer at a surface portion of a substrate having an information signal is brought in contact with a magnetic recording medium that is an associated slave medium and a transfer magnetic field is applied to the slave medium. The coercive force Hcs of the slave magnetic recording medium and the transfer magnetic field satisfies the relation: 0.6×Hcs≦transfer magnetic field≦1.3×Hcs
摘要翻译： 本发明提供一种磁转移方法，其中在具有信息信号的基板的表面部分具有磁性层的磁转移主载体与作为相关联的从动介质的磁记录介质和转印磁场接触 应用于从属媒体。 从属磁记录介质的矫顽力Hcs和转移磁场满足关系：0.6xHcs <=传递磁场<= 1.3XHCS
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公开(公告)号：US06643079B1
公开(公告)日：2003-11-04
申请号：US09558336
申请日：2000-04-26
IPC分类号： G11B586
CPC分类号： G11B5/865
摘要： The present invention provides a method for magnetic transfer, said method comprising the steps of arranging permanent magnets each having magnetic field symmetrical to the axis of the magnetic pole at least on one of upper or lower surfaces of the slave medium with the axis of the magnetic pole disposed in parallel to the surface of the slave medium, rotating the slave medium or the permanent magnet in track direction, performing initial DC magnetization on the slave medium in advance in track direction, bringing the master carrier for magnetic transfer closely together with the slave medium processed by said initial DC magnetization, and performing magnetic transfer by applying magnetic field for transfer in track direction reverse to the direction of the initial DC magnetization on the surface of the slave medium.
摘要翻译： 本发明提供一种磁转移方法，所述方法包括以下步骤：在从属介质的上表面或下表面中的至少一个上配置磁性体，每个永磁体具有与磁极的轴对称的磁场， 磁极设置成平行于从动介质的表面，在磁道方向上旋转从属介质或永久磁铁，在磁带方向上预先在从属介质上执行初始直流磁化，使主载体磁传递紧密地与从属 通过所述初始DC磁化进行介质处理，并且通过在与从属介质的表面上的初始DC磁化方向相反的磁道方向上施加磁场来进行磁传输。
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公开(公告)号：US06602301B1
公开(公告)日：2003-08-05
申请号：US09558339
申请日：2000-04-26
IPC分类号： G11B586
CPC分类号： G11B5/865
摘要： The present invention provides a method for magnetic transfer, the method including the steps of arranging a pair of permanent magnets each having magnetic field symmetrical to the axis of the magnetic pole and with the same polarities facing to each other with the axis of the magnetic pole running perpendicularly to the surface of the slave medium, and arranging two pairs of said permanent magnets at adjacent positions so that the adjacent magnets have the poles with opposite polarities adjacent to each other, rotating the slave medium or the two pairs of permanent magnets in track direction, and applying magnetic field in track direction on the surface of the slave medium, performing initial DC magnetization on the slave medium in advance in track direction, bringing the master carrier for magnetic transfer and the slave medium processed by said initial DC magnetization closely together, and performing magnetic transfer by applying magnetic field for transfer in a direction reverse to the direction of the initial DC magnetization on the surface of the slave medium in track direction.
摘要翻译： 本发明提供一种磁转移方法，该方法包括以下步骤：一对永磁体，每个永磁体具有与磁极轴对称的磁场，并且具有与磁极的轴线相对的彼此相同的极性 垂直于从属介质的表面运行，并且在相邻位置处布置两对永磁体，使得相邻的磁体具有彼此相邻极性的极，将从属介质或两对永磁体旋转到轨道 方向，并且在从动介质的表面上沿磁道方向施加磁场，在磁道方向上预先在从属介质上执行初始DC磁化，使主载体磁传递，从介质由所述初始DC磁化处理，紧密地组合在一起 ，并且通过在反向t的方向上施加用于传送的磁场来执行磁转移 o在从动介质的轨道方向的表面上的初始DC磁化方向。
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公开(公告)号：US06731440B1
公开(公告)日：2004-05-04
申请号：US09565494
申请日：2000-05-05
IPC分类号： G11B586
CPC分类号： G11B5/865
摘要： The present invention provides a method for magnetic transfer, the method including the steps of arranging ring shape head electromagnets at least on one of upper and lower surfaces of the slave medium, rotating the slave medium or the ring shape head electromagnet in track direction, performing initial DC magnetization on the slave medium in advance in track direction by applying magnetic field in track direction on the surface of the slave medium, bringing the master carrier for magnetic transfer closely together with the slave medium processed by the initial DC magnetization, and performing magnetic transfer by applying magnetic field for transfer in track direction reverse to the direction of the initial DC magnetization on the surface of the slave medium.
摘要翻译： 本发明提供一种磁转移方法，该方法包括以下步骤：至少在从介质的上表面和下表面之一上布置环形磁头电磁体，在磁道方向上旋转从属介质或环形磁头电磁体，执行 通过在从动介质的表面上沿轨道方向施加磁场，在从动介质上预先在从动介质上初始直流磁化，使主载体磁传递紧密地与由初始DC磁化处理的从介质一起，并执行磁 通过在从动介质的表面上沿与初始DC磁化方向相反的磁道方向施加磁场传递。
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公开(公告)号：US06570724B1
公开(公告)日：2003-05-27
申请号：US09558338
申请日：2000-04-26
IPC分类号： G11B586
CPC分类号： G11B5/865
摘要： The present invention provides a method for magnetic transfer, which including the steps of: arranging permanent magnets each magnetized symmetrically to the axis of the magnetic pole with the same polarities facing to each other and with the slave medium interposed between, and disposing the slave medium perpendicularly to the axis of the magnetic pole, rotating the slave medium or the permanent magnets in track direction; and applying magnetic field in track direction on the surface of the slave medium, whereby: after initial DC magnetization has been formed on the slave medium in advance in track direction, the master carrier for magnetic transfer and the slave medium processed by the initial DC magnetization are brought closely together, and a magnetic field for transfer in reverse direction to the direction of the initial DC magnetization on the surface of the slave medium is applied in track direction, and magnetic transfer is performed.
摘要翻译： 本发明提供了一种磁转移方法，其特征在于包括以下步骤：将相对于彼此相对的极性相对于磁极的对称磁化的永久磁铁布置在介质之间并配置从属介质 垂直于磁极的轴线，在从动介质或永磁体沿轨道方向旋转; 并且在从动介质的表面上沿轨道方向施加磁场，由此：在从动介质上在磁道方向上预先形成初始DC磁化之后，用于磁转移的主载体和由初始DC磁化处理的从属介质是 紧贴在一起，并且在磁带方向上施加用于在从属介质的表面上的与初始DC磁化方向相反的方向传递的磁场，并且进行磁转移。
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8.发明授权Magnetic-transfer method, magnetic recording medium, and magnetic recording device 失效磁转移方式，磁记录介质和磁记录装置公开(公告)号：US07440207B2
公开(公告)日：2008-10-21
申请号：US11248292
申请日：2005-10-13
IPC分类号： G11B5/86
CPC分类号： G11B5/865
摘要： Provided is a method of magnetic transfer. The method includes initially DC-magnetizing a transfer-recipient disc in a circumferential direction, by applying a magnetic field to the transfer-recipient disc in the circumferential direction thereof bringing initially DC-magnetized transfer-recipient disc and a master disc into close contact with each other, on the top side of the master disc a magnetic layer including a great number of protrusions that configure a magnetic pattern being formed; and executing magnetic transfer in such a way that a magnetic-field generation device is provided, and that, when a magnetic field is applied in a circumferential direction to the transfer-recipient disc and the master disc, transfer of the magnetic pattern of the master disc onto the transfer-recipient disc occurs.
摘要翻译： 提供了磁转移的方法。 该方法包括首先通过在圆周方向上向转移 - 受体盘施加磁场，使圆周方向上的转移 - 受体盘直接磁化，从而使初始DC磁化转移受体盘和母盘与 彼此之间，在母盘的顶侧，包括构成形成磁性图案的大量突起的磁性层; 并且以提供磁场产生装置的方式执行磁转移，并且当沿着圆周方向向转印盘和母盘施加磁场时，主转盘的磁性图案 光盘发生在转接盘上。
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9.发明申请DC demagnetization method and apparatus for magnetic recording medium and magnetic transfer method and apparatus 审中-公开用于磁记录介质的DC去磁方法和装置以及磁转移方法和装置公开(公告)号：US20070002480A1
公开(公告)日：2007-01-04
申请号：US11476857
申请日：2006-06-29
申请人： Tatsuya Fujinami , Makoto Nagao , Kazunori Komatsu
发明人： Tatsuya Fujinami , Makoto Nagao , Kazunori Komatsu
CPC分类号： G11B5/865 , B82Y10/00 , G11B5/0245 , G11B5/743
摘要： According to the present invention, since the applied magnetic field strength is controlled so as to fall between maximum magnetic field strength×0.7 and the maximum magnetic field strength over almost an entire surface of the magnetic recording medium, there is not much variation in the strength of the applied magnetic field relative to media coercivity during DC demagnetization, which makes it possible to obtain uniform magnetization over almost the entire surface.
摘要翻译： 根据本发明，由于施加的磁场强度被控制为在磁记录介质的几乎整个表面上落在最大磁场强度×0.7和最大磁场强度之间，因此强度的变化不大 的相对于介质矫顽力在DC退磁期间的施加磁场，这使得可以在几乎整个表面上获得均匀的磁化。
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10.发明申请MAGNETIC TRANSFER MASTER CARRIER, MAGNETIC TRANSFER METHOD, AND MAGNETIC RECORDING MEDIUM 失效磁性传输主载波，磁传输方法和磁记录介质公开(公告)号：US20090251814A1
公开(公告)日：2009-10-08
申请号：US12419652
申请日：2009-04-07
申请人： Yoichi Nishida , Hideyuki Kubota , Masakazu Nishikawa , Makoto Nagao , Ryuji Sugita , Takashi Komine
发明人： Yoichi Nishida , Hideyuki Kubota , Masakazu Nishikawa , Makoto Nagao , Ryuji Sugita , Takashi Komine
IPC分类号： G11B5/86
摘要： The present invention provides a magnetic transfer master carrier which forms a magnetic pattern corresponding to a pattern of information to be recorded on a perpendicular magnetic recording medium when a magnetic field is applied to the perpendicular magnetic recording medium, with the magnetic master carrier and the perpendicular magnetic recording medium closely attached to each other, the carrier including: a base material having convex portions on its surface, the convex portions being provided corresponding to the pattern of information; a magnetic layer deposited on at least top surfaces of the convex portions, and having perpendicular magnetic anisotropy; and a soft magnetic layer deposited on the surface of the magnetic layer.
摘要翻译： 本发明提供了一种磁传递主载体，当磁性载体和垂直磁性载体和垂直磁记录介质施加磁场时，形成对应于待记录在垂直磁记录介质上的信息图形的磁图案 所述载体包括：在其表面上具有凸起部分的基材，所述凸部相应于所述信息图案设置; 沉积在所述凸部的至少顶表面上并具有垂直磁各向异性的磁性层; 以及沉积在磁性层的表面上的软磁性层。
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