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    Write head with self-cross biased pole for high speed magnetic recording
    4.
    发明授权
    Write head with self-cross biased pole for high speed magnetic recording 有权
    用自交偏置极头写入磁头用于高速磁记录

    公开(公告)号：US07889458B2

    公开(公告)日：2011-02-15

    申请号：US11598418

    申请日：2006-11-13

    申请人： Wen-Chien David Hsiao ,  Terence Tin-Lok Lam ,  Changqing Shi

    发明人： Wen-Chien David Hsiao ,  Terence Tin-Lok Lam ,  Changqing Shi

    IPC分类号： G11B5/31

    CPC分类号： G11B5/1278 ,  G11B5/187 ,  G11B2005/0013 ,  G11B2005/0032

    摘要： A magnetic write head having a magnetic cross yoke arranged to provide a cross magnetic field in a pole tip region of the magnetic head. The cross field, which is perpendicular to the magnetization of write pole, reduces the switching time of the write field, thereby increasing the speed with which the write head can record data. The write head can be a longitudinal write head or a perpendicular write head. In the case of a perpendicular write, the write head can include a write pole arranged to provide a magnetic write field that emits a magnetic field substantially perpendicular with an Air Bearing Surface (ABS). A magnetic cross yoke is formed having ends that are disposed at opposite sides of the pole tip region of the write pole.

    摘要翻译： 一种磁性写头，具有设置成在磁头的磁极尖端区域中提供交叉磁场的磁性交叉磁轭。 与写入磁极的磁化方向垂直的交叉场减少写入场的切换时间，从而提高写入头可以记录数据的速度。 写头可以是纵向写头或垂直写头。 在垂直写入的情况下，写入头可以包括写极，该写极被布置成提供发射与空气轴承表面（ABS）基本垂直的磁场的磁写入场。 形成磁性交叉轭，其端部设置在写入极的极尖区域的相对侧。

    Write head with self-cross biased pole for high speed magnetic recording
    5.
    发明申请
    Write head with self-cross biased pole for high speed magnetic recording 有权
    用自交偏置极头写入磁头用于高速磁记录

    公开(公告)号：US20080112078A1

    公开(公告)日：2008-05-15

    申请号：US11598418

    申请日：2006-11-13

    申请人： Wen-Chien David Hsiao ,  Terence Tin-Lok Lam ,  Changqing Shi

    发明人： Wen-Chien David Hsiao ,  Terence Tin-Lok Lam ,  Changqing Shi

    IPC分类号： G11B5/17

    CPC分类号： G11B5/1278 ,  G11B5/187 ,  G11B2005/0013 ,  G11B2005/0032

    摘要： A magnetic write head having a magnetic cross yoke arranged to provide a cross magnetic field in a pole tip region of the magnetic head. The cross field, which is perpendicular to the magnetization of write pole, reduces the switching time of the write field, thereby increasing the speed with which the write head can record data. The write head can be a longitudinal write head or a perpendicular write head. In the case of a perpendicular write, the write head can include a write pole arranged to provide a magnetic write field that emits a magnetic field substantially perpendicular with an Air Bearing Surface (ABS). A magnetic cross yoke is formed having ends that are disposed at opposite sides of the pole tip region of the write pole. A magnetic cross field that extends across the pole tip region of the write pole slightly alters the direction of the magnetization of the write pole. If the head is a longitudinal head, it can include first and second magnetic poles separated in the pole tip region by a write gap. The cross yoke can be arranged to produce a cross field that extends across the pole tip region defined by the first and second magnetic poles.

    摘要翻译： 一种磁性写头，具有设置成在磁头的磁极尖端区域中提供交叉磁场的磁性十字架。 与写入磁极的磁化方向垂直的交叉场减少写入场的切换时间，从而提高写入头可以记录数据的速度。 写头可以是纵向写头或垂直写头。 在垂直写入的情况下，写入头可以包括写极，该写极被布置成提供发射与空气轴承表面（ABS）基本垂直的磁场的磁写入场。 形成磁性交叉轭，其端部设置在写入极的极尖区域的相对侧。 延伸穿过写入极的极尖区域的磁交叉场稍微改变写入极的磁化方向。 如果头部是纵向头部，则可以包括通过写入间隙在磁极尖端区域中分离的第一和第二磁极。 交叉轭可以被布置成产生跨越由第一和第二磁极限定的极尖区域延伸的交叉场。

    Perpendicular magnetic write head having a novel trailing return pole for reduced wide-area-track-erasure
    6.
    发明授权
    Perpendicular magnetic write head having a novel trailing return pole for reduced wide-area-track-erasure 有权
    垂直磁头写入头具有一个新颖的拖尾返回极，用于缩小广域轨迹擦除

    公开(公告)号：US08068311B2

    公开(公告)日：2011-11-29

    申请号：US12040717

    申请日：2008-02-29

    申请人： Wen-Chien David Hsiao ,  Yansheng Luo ,  Quan-chiu Harry Lam

    发明人： Wen-Chien David Hsiao ,  Yansheng Luo ,  Quan-chiu Harry Lam

    IPC分类号： G11B5/127

    CPC分类号： G11B5/3116 ,  G11B5/1278 ,  G11B5/312

    摘要： A magnetic write head having a magnetic return pole that is configured to prevent wide area track erasure. The magnetic return pole has a throat region with a relatively narrow width and has a inner and outer wing portions formed near the air bearing surface. The inner wing portion has a front edge that is disposed at the air bearing surface, whereas the outer wing portion has a front edge that is recessed from the air bearing surface.

    摘要翻译： 一种具有磁回归极的磁写头，其被配置为防止广泛的磁道擦除。 磁返回杆具有宽度相对较窄的喉部区域，并且在靠近空气支承表面处形成有内翼部分和外翼部分。 内翼部具有设置在空气支承面的前缘，而外翼部具有从空气轴承面凹入的前缘。

    Perpendicular magnetic write head with shunt structure to prevent read sensor interference
    8.
    发明授权
    Perpendicular magnetic write head with shunt structure to prevent read sensor interference 有权
    垂直磁头，分流结构，防止读取传感器干扰

    公开(公告)号：US07639453B2

    公开(公告)日：2009-12-29

    申请号：US11497202

    申请日：2006-08-01

    申请人： Hardayal Singh Gill ,  Kuok San Ho ,  Wen-Chien David Hsiao ,  Yimin Hsu ,  Edward Hin Pong Lee ,  Vladimir Nikitin

    发明人： Hardayal Singh Gill ,  Kuok San Ho ,  Wen-Chien David Hsiao ,  Yimin Hsu ,  Edward Hin Pong Lee ,  Vladimir Nikitin

    IPC分类号： G11B5/127

    CPC分类号： G11B5/3123 ,  G11B5/1278 ,  G11B5/3967

    摘要： A magnetic head structure for use in perpendicular magnetic recording. The magnetic head includes a magnetic write head having a return pole with a magnetic shunt structure extending from the back end opposite the ABS. The magnetic shunt structure prevents magnetic field from the write coil from reaching and affecting the read head. More specifically the shunt structure prevents magnetic field from the portion of the write coil beyond the back gap (as measured from the ABS) from magnetizing a magnetic shield of the read head. The shunt structure is also configured so as to avoid stray field writing. The size and shape of the shunt structure is therefore, limited to avoid attracting stray fields that might cause such stray field writing.

    摘要翻译： 用于垂直磁记录的磁头结构。 磁头包括具有从与ABS相对的后端延伸的磁分路结构的返回极的磁写头。 磁分路结构防止来自写入线圈的磁场到达并影响读取头。 更具体地说，分流结构防止来自写入线圈的部分的磁场超过后隙（从ABS测量）来磁化读取磁头的磁屏蔽。 分流结构也被配置为避免杂散场写入。 因此，分流结构的尺寸和形状受到限制，以避免吸引可能导致这种杂散场写入的杂散场。

    Perpendicular magnetic write head with shunt structure to prevent read sensor interference
    10.
    发明申请
    Perpendicular magnetic write head with shunt structure to prevent read sensor interference 有权
    垂直磁头，分流结构，防止读取传感器干扰

    公开(公告)号：US20080030897A1

    公开(公告)日：2008-02-07

    申请号：US11497202

    申请日：2006-08-01

    申请人： Hardayal Singh Gill ,  Kuok San Ho ,  Wen-Chien David Hsiao ,  Yimin Hsu ,  Edward Hin Pong Lee ,  Vladimir Nikitin

    发明人： Hardayal Singh Gill ,  Kuok San Ho ,  Wen-Chien David Hsiao ,  Yimin Hsu ,  Edward Hin Pong Lee ,  Vladimir Nikitin

    IPC分类号： G11B5/147 ,  G11B5/127

    CPC分类号： G11B5/3123 ,  G11B5/1278 ,  G11B5/3967

    摘要： A magnetic head structure for use in perpendicular magnetic recording. The magnetic head includes a magnetic write head having a return pole with a magnetic shunt structure extending from the back end opposite the ABS. The magnetic shunt structure prevents magnetic field from the write coil from reaching and affecting the read head. More specifically the shunt structure prevents magnetic field from the portion of the write coil beyond the back gap (as measured from the ABS) from magnetizing a magnetic shield of the read head. The shunt structure is also configured so as to avoid stray field writing. The size and shape of the shunt structure is therefore, limited to avoid attracting stray fields that might cause such stray field writing.

    摘要翻译： 用于垂直磁记录的磁头结构。 磁头包括具有从与ABS相对的后端延伸的磁分路结构的返回极的磁写头。 磁分路结构防止来自写入线圈的磁场到达并影响读取头。 更具体地说，分流结构防止来自写入线圈的部分的磁场超过后隙（从ABS测量）来磁化读取磁头的磁屏蔽。 分流结构也被配置为避免杂散场写入。 因此，分流结构的尺寸和形状受到限制，以避免吸引可能导致这种杂散场写入的杂散场。