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    ESD, cross talk and noise minimizing resistive/capacitative shunt for CPP and TMR devices
    1.
    发明授权
    ESD, cross talk and noise minimizing resistive/capacitative shunt for CPP and TMR devices 有权
    ESD，串扰和噪声最小化CPP和TMR器件的电阻/电容分流

    公开(公告)号：US08107200B2

    公开(公告)日：2012-01-31

    申请号：US12214504

    申请日：2008-06-19

    申请人： Eric Cheuk Wing Leung ,  Anthony Wai Yuen Lai ,  Pak Kin Wong ,  David Hu ,  Moris Dovek ,  Rod Lee

    发明人： Eric Cheuk Wing Leung ,  Anthony Wai Yuen Lai ,  Pak Kin Wong ,  David Hu ,  Moris Dovek ,  Rod Lee

    IPC分类号： G11B5/39

    CPC分类号： B82Y25/00 ,  B82Y10/00 ,  G11B5/11 ,  G11B5/3909 ,  G11B5/40 ,  G11B2005/3996 ,  Y10T29/49039 ,  Y10T29/49043 ,  Y10T29/49046 ,  Y10T29/49048 ,  Y10T29/49052

    摘要： A slider mounted CPP GMR or TMR read head sensor is protected from electrostatic discharge (ESD) damage and from noise and cross-talk from an adjacent write head by means of a balanced resistive/capacitative shunt. The shunt includes highly resistive interconnections between upper and lower shields of the read head and a grounded slider substrate and a low resistance interconnection between the lower pole piece of the write head and the substrate. The capacitances between the pole piece and the upper shield, the upper shield and the lower shield and the lower shield and the substrate are made equal by either forming the shields and pole piece with equal surface areas and separating them with dielectrics of equal thicknesses, or by keeping the ratio of area to insulator thicknesses equal.

    摘要翻译： 滑块安装的CPP GMR或TMR读取头传感器通过平衡的电阻/电容分流器被保护免受静电放电（ESD）损坏和来自相邻写头的噪声和串扰的影响。 分流器包括读头的上屏蔽和下屏蔽之间的高电阻互连以及接地的滑块基板和写头的下极片与衬底之间的低电阻互连。 通过形成具有相同表面积的屏蔽件和极片，并将它们与相同厚度的电介质分离，使极片与上屏蔽，上屏蔽和下屏蔽以及下屏蔽和基板之间的电容相等，或 通过保持面积与绝缘体厚度的比例相等。

    ESD, cross talk and noise pickup minimizing scheme for CPP and TMR devices
    2.
    发明申请
    ESD, cross talk and noise pickup minimizing scheme for CPP and TMR devices 有权
    ESD，串扰和噪声拾取最小化方案，用于CPP和TMR器件

    公开(公告)号：US20080259506A1

    公开(公告)日：2008-10-23

    申请号：US12214504

    申请日：2008-06-19

    申请人： Eric Cheuk Wing Leung ,  Anthony Wai Yuen Lai ,  Pak Kin Wong ,  David Hu ,  Moris Dovek ,  Rod Lee

    发明人： Eric Cheuk Wing Leung ,  Anthony Wai Yuen Lai ,  Pak Kin Wong ,  David Hu ,  Moris Dovek ,  Rod Lee

    IPC分类号： G11B5/127

    CPC分类号： B82Y25/00 ,  B82Y10/00 ,  G11B5/11 ,  G11B5/3909 ,  G11B5/40 ,  G11B2005/3996 ,  Y10T29/49039 ,  Y10T29/49043 ,  Y10T29/49046 ,  Y10T29/49048 ,  Y10T29/49052

    摘要： A slider mounted CPP GMR or TMR read head sensor is protected from electrostatic discharge (ESD) damage and from noise and cross-talk from an adjacent write head by means of a balanced resistive/capacitative shunt. The shunt includes highly resistive interconnections between upper and lower shields of the read head and a grounded slider substrate and a low resistance interconnection between the lower pole piece of the write head and the substrate. The capacitances between the pole piece and the upper shield, the upper shield and the lower shield and the lower shield and the substrate are made equal by either forming the shields and pole piece with equal surface areas and separating them with dielectrics of equal thicknesses, or by keeping the ratio of area to insulator thicknesses equal.

    摘要翻译： 滑块安装的CPP GMR或TMR读取头传感器通过平衡的电阻/电容分流器被保护免受静电放电（ESD）损坏和来自相邻写头的噪声和串扰的影响。 分流器包括读头的上屏蔽和下屏蔽之间的高电阻互连以及接地的滑块基板和写头的下极片与衬底之间的低电阻互连。 通过形成具有相同表面积的屏蔽件和极片，并将它们与相同厚度的电介质分离，使极片与上屏蔽，上屏蔽和下屏蔽以及下屏蔽和基板之间的电容相等，或 通过保持面积与绝缘体厚度的比例相等。

    Method for protecting a slider mounted CPP GMR or TMR read head sensor from noise and ESD damage
    3.
    发明授权
    Method for protecting a slider mounted CPP GMR or TMR read head sensor from noise and ESD damage 有权
    用于保护滑块安装的CPP GMR或TMR读取头传感器免受噪声和ESD损坏的方法

    公开(公告)号：US07392579B2

    公开(公告)日：2008-07-01

    申请号：US11074251

    申请日：2005-03-07

    申请人： Eric Cheuk Wing Leung ,  Anthony Wai Yuen Lai ,  Pak Kin Wong ,  David Hu ,  Moris Dovek ,  Rod Lee

    发明人： Eric Cheuk Wing Leung ,  Anthony Wai Yuen Lai ,  Pak Kin Wong ,  David Hu ,  Moris Dovek ,  Rod Lee

    IPC分类号： G11B5/127 ,  H04R31/00

    CPC分类号： B82Y25/00 ,  B82Y10/00 ,  G11B5/11 ,  G11B5/3909 ,  G11B5/40 ,  G11B2005/3996 ,  Y10T29/49039 ,  Y10T29/49043 ,  Y10T29/49046 ,  Y10T29/49048 ,  Y10T29/49052

    摘要： A slider mounted CPP GMR or TMR read head sensor is protected from electrostatic discharge (ESD) damage and from noise and cross-talk from an adjacent write head by means of a balanced resistive/capacitative shunt. The shunt includes highly resistive interconnections between upper and lower shields of the read head and a grounded slider substrate and a low resistance interconnection between the lower pole piece of the write head and the substrate. The capacitances between the pole piece and the upper shield, the upper shield and the lower shield and the lower shield and the substrate are made equal by either forming the shields and pole piece with equal surface areas and separating them with dielectrics of equal thicknesses, or by keeping the ratio of area to insulator thicknesses equal.

    摘要翻译： 滑块安装的CPP GMR或TMR读取头传感器通过平衡的电阻/电容分流器被保护免受静电放电（ESD）损坏和来自相邻写头的噪声和串扰的影响。 分流器包括读头的上屏蔽和下屏蔽之间的高电阻互连以及接地的滑块基板和写头的下极片与衬底之间的低电阻互连。 通过形成具有相同表面积的屏蔽件和极片，并将它们与相同厚度的电介质分离，使极片与上屏蔽，上屏蔽和下屏蔽以及下屏蔽和基板之间的电容相等，或 通过保持面积与绝缘体厚度的比例相等。

    ESD, cross talk and noise pickup minimizing scheme for CPP and TMR devices
    4.
    发明申请
    ESD, cross talk and noise pickup minimizing scheme for CPP and TMR devices 有权
    ESD，串扰和噪声拾取最小化方案，用于CPP和TMR器件

    公开(公告)号：US20060198057A1

    公开(公告)日：2006-09-07

    申请号：US11074251

    申请日：2005-03-07

    申请人： Eric Leung ,  Anthony Lai ,  Pak Wong ,  David Hu ,  Moris Dovek ,  Rod Lee

    发明人： Eric Leung ,  Anthony Lai ,  Pak Wong ,  David Hu ,  Moris Dovek ,  Rod Lee

    IPC分类号： G11B5/33 ,  G11B5/127

    CPC分类号： B82Y25/00 ,  B82Y10/00 ,  G11B5/11 ,  G11B5/3909 ,  G11B5/40 ,  G11B2005/3996 ,  Y10T29/49039 ,  Y10T29/49043 ,  Y10T29/49046 ,  Y10T29/49048 ,  Y10T29/49052

    摘要： A slider mounted CPP GMR or TMR read head sensor is protected from electrostatic discharge (ESD) damage and from noise and cross-talk from an adjacent write head by means of a balanced resistive/capacitative shunt. The shunt includes highly resistive interconnections between upper and lower shields of the read head and a grounded slider substrate and a low resistance interconnection between the lower pole piece of the write head and the substrate. The capacitances between the pole piece and the upper shield, the upper shield and the lower shield and the lower shield and the substrate are made equal by either forming the shields and pole piece with equal surface areas and separating them with dielectrics of equal thicknesses, or by keeping the ratio of area to insulator thicknesses equal.

    摘要翻译： 滑块安装的CPP GMR或TMR读取头传感器通过平衡的电阻/电容分流器被保护免受静电放电（ESD）损坏和来自相邻写头的噪声和串扰的影响。 分流器包括读头的上屏蔽和下屏蔽之间的高电阻互连以及接地的滑块基板和写头的下极片与衬底之间的低电阻互连。 通过形成具有相同表面积的屏蔽件和极片，并将它们与相同厚度的电介质分离，使极片与上屏蔽，上屏蔽和下屏蔽以及下屏蔽和基板之间的电容相等，或 通过保持面积与绝缘体厚度的比例相等。

    Two-piece magnetic shield having improved heat dissipation
    8.
    发明申请
    Two-piece magnetic shield having improved heat dissipation 有权
    具有改善散热性能的两件式磁屏蔽

    公开(公告)号：US20050094319A1

    公开(公告)日：2005-05-05

    申请号：US10696431

    申请日：2003-10-29

    申请人： Cherng-Chyi Han ,  Rod Lee ,  Mao-Min Chen ,  Pokang Wang

    发明人： Cherng-Chyi Han ,  Rod Lee ,  Mao-Min Chen ,  Pokang Wang

    IPC分类号： G11B5/127 ,  G11B5/31 ,  G11B5/33

    CPC分类号： G11B5/3136 ,  G11B5/3133 ,  Y10T29/49039 ,  Y10T29/49043 ,  Y10T29/49046 ,  Y10T29/49048 ,  Y10T29/49052

    摘要： Problems such as thermal pole tip protrusion result from thermal mismatch between the alumina and pole material during the writing process. This, and similar problems due to inadequate heat dissipation, have been overcome by dividing the bottom shield into two pieces both of which sit on top of a non-magnetic heat sink. Heat generated by the coil during writing is transferred to the non-magnetic heat sink whence it gets transferred to the substrate. With this approach, the head not only benefits from less field disturbance due to the small shield but also improves heat dissipation from the additional heat sink

    摘要翻译： 在写入过程中，由于氧化铝和极材料之间的热失配，导致热极尖突出的问题。 通过将底部屏蔽分成两个位于非磁性散热器顶部的两个部件，已经克服了由于不充分散热引起的这种和类似的问题。 在写入期间由线圈产生的热量被传递到非磁性散热器，因为它被传送到基板。 采用这种方法，由于小屏蔽，头部不但受益于较少的场干扰，还可以改善附加散热器的散热

    Spin valve head with a current channeling layer
    9.
    发明授权
    Spin valve head with a current channeling layer 失效
    旋转阀头带有电流通道层

    公开(公告)号：US06665154B2

    公开(公告)日：2003-12-16

    申请号：US09931155

    申请日：2001-08-17

    申请人： Kochan Ju ,  You Feng Zheng ,  Rod Lee

    发明人： Kochan Ju ,  You Feng Zheng ,  Rod Lee

    IPC分类号： G11B539

    CPC分类号： B82Y25/00 ,  B82Y10/00 ,  G11B5/3903 ,  G11B5/3932 ,  G11B2005/3996

    摘要： Spin valve heads with overlaid leads have several advantages over butted contiguous junction designs, including larger signal output and better head stability. However, in any overlaid design there is always present at least one high resistance layer between the GMR layer and the conductive leads. This leads to an effective read width that is greater than the actual physical width. This problem has been overcome by inserting a highly conductive channeling layer between the GMR stack and the conducting lead laminate. This arrangement ensures that, at the intersection between the leads and the GMR stack, virtually all the current moves out of the free layer into the leads thereby providing an effective read width for the device that is very close to the physical read width defined by the spacing between the two leads. A process for manufacturing the device is also described.

    摘要翻译： 具有覆盖引线的旋转阀头具有优于对接连接结设计的优点，包括较大的信号输出和更好的磁头稳定性。 然而，在任何重叠的设计中，总是在GMR层和导电引线之间存在至少一个高电阻层。 这导致有效的读宽度大于实际物理宽度。 通过在GMR堆叠和导电铅层压板之间插入高度导电的沟道层已经克服了这个问题。 这种布置确保了在引线和GMR堆叠之间的交叉点处，几乎所有的电流都从自由层移动到引线中，从而为非常接近于由 两根导线之间的间距。 还描述了用于制造该装置的方法。

    Method to improve heat dissipation in a magnetic shield
    10.
    发明授权
    Method to improve heat dissipation in a magnetic shield 有权
    改善磁屏蔽散热的方法

    公开(公告)号：US07320168B2

    公开(公告)日：2008-01-22

    申请号：US10696431

    申请日：2003-10-29

    申请人： Cherng-Chyi Han ,  Rod Lee ,  Mao-Min Chen ,  Pokang Wang

    发明人： Cherng-Chyi Han ,  Rod Lee ,  Mao-Min Chen ,  Pokang Wang

    IPC分类号： G11B5/127 ,  H04R31/00

    CPC分类号： G11B5/3136 ,  G11B5/3133 ,  Y10T29/49039 ,  Y10T29/49043 ,  Y10T29/49046 ,  Y10T29/49048 ,  Y10T29/49052

    摘要： Problems such as thermal pole tip protrusion result from thermal mismatch between the alumina and pole material during the writing process. This, and similar problems due to inadequate heat dissipation, have been overcome by dividing the bottom shield into two pieces both of which sit on top of a non-magnetic heat sink. Heat generated by the coil during writing is transferred to the non-magnetic heat sink whence it gets transferred to the substrate. With this approach, the head not only benefits from less field disturbance due to the small shield but also improves heat dissipation from the additional heat sink.

    摘要翻译： 在写入过程中，由于氧化铝和极材料之间的热失配，导致热极尖突出的问题。 通过将底部屏蔽分成两个位于非磁性散热器顶部的两个部件，已经克服了由于不充分散热引起的这种和类似的问题。 在写入期间由线圈产生的热量被传递到非磁性散热器，因为它被传送到基板。 采用这种方法，由于小屏蔽，头部不但受益于较少的场干扰，还可以改善附加散热器的散热。