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1. 发明授权

US08107200B2 ESD, cross talk and noise minimizing resistive/capacitative shunt for CPP and TMR devices 有权
标题翻译： 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。

2. 发明申请

US20080259506A1 ESD, cross talk and noise pickup minimizing scheme for CPP and TMR devices 有权
标题翻译： 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。

3. 发明授权

US07392579B2 Method for protecting a slider mounted CPP GMR or TMR read head sensor from noise and ESD damage 有权
标题翻译：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。

4. 发明申请

US20060198057A1 ESD, cross talk and noise pickup minimizing scheme for CPP and TMR devices 有权
标题翻译： 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。

5. 发明申请

US20050237667A1 Thermal protrusion reduction in magnet heads by utilizing a heat-spreading pad 失效
标题翻译：通过利用散热垫使磁头的热突起减少
公开(公告)号：US20050237667A1
公开(公告)日：2005-10-27
申请号：US11172173
申请日：2005-06-30
申请人： Devendra Chhabra , Rod Lee , Glen Garfunkel , Moris Dovek , Cherng-Chyi Han
发明人： Devendra Chhabra , Rod Lee , Glen Garfunkel , Moris Dovek , Cherng-Chyi Han
IPC分类号： G11B5/31 , G11B5/60
CPC分类号： G11B5/6005 , G11B5/3136 , Y10T29/49027 , Y10T29/4903 , Y10T29/49032
摘要： A magnetic read/write head and slider assembly and method for forming said magnetic read/write head and slider assembly, wherein said assembly has improved heat spreading and dissipation properties and exhibits significantly reduced thermal protrusion during operation. The method of formation is simple and efficient, involving only the extension of one of the conductive mounting pads so that it is in thermal contact with a portion of the slider assembly surface that is over the read/write element.
摘要翻译：用于形成所述磁读/写头和滑块组件的磁读/写磁头和滑块组件及其方法，其中所述组件具有改善的散热和耗散性能，并且在操作期间显示出显着降低的热突起。形成方法简单而有效，仅涉及一个导电安装焊盘的延伸部分，使其与滑块组件表面的一部分在读/写元件上方热接触。

6. 发明授权

US06928721B2 Method of manufacturing a magnetic read/write head and slider assembly 失效
标题翻译：制造磁读写头和滑块组件的方法
公开(公告)号：US06928721B2
公开(公告)日：2005-08-16
申请号：US09970788
申请日：2001-10-05
申请人： Devendra S. Chhabra , Rod Lee , Glen Garfunkel , Moris Dovek , Cherng-Chyi Han
发明人： Devendra S. Chhabra , Rod Lee , Glen Garfunkel , Moris Dovek , Cherng-Chyi Han
IPC分类号： G11B5/31 , G11B5/60 , G11B5/127
CPC分类号： G11B5/6005 , G11B5/3136 , Y10T29/49027 , Y10T29/4903 , Y10T29/49032
摘要： A method of fabricating a magnetic read/write head and slider assembly, wherein the assembly has improved heat spreading and dissipation properties and the read/write head exhibits significantly reduced thermal protrusion during operation. The method of fabrication is simple and efficient, involving only the extension of at least one of the conductive mounting pads so that it is in thermal contact with a portion of the slider surface that is directly above the read/write element.
摘要翻译：一种制造磁读/写头和滑块组件的方法，其中该组件具有改进的散热和散热特性，并且读/写头在操作期间表现出显着降低的热突起。制造方法简单而有效，仅涉及至少一个导电安装焊盘的延伸部分，使得其与滑块表面的正好在读/写元件上方的部分热接触。

7. 发明授权

US07154708B2 Thermal protrusion reduction in magnet heads by utilizing a heat-spreading pad 失效
公开(公告)号：US07154708B2
公开(公告)日：2006-12-26
申请号：US11172173
申请日：2005-06-30
申请人： Devendra S. Chhabra , Rod Lee , Glen Garfunkel , Mor Dovek , Cherng-Chyi Han
发明人： Devendra S. Chhabra , Rod Lee , Glen Garfunkel , Mor Dovek , Cherng-Chyi Han
IPC分类号： G11B5/60
CPC分类号： G11B5/6005 , G11B5/3136 , Y10T29/49027 , Y10T29/4903 , Y10T29/49032
摘要： A magnetic read/write head and slider assembly and method for forming said magnetic read/write head and slider assembly, wherein said assembly has improved heat spreading and dissipation properties and exhibits significantly reduced thermal protrusion during operation. The method of formation is simple and efficient, involving only the extension of one of the conductive mounting pads so that it is in thermal contact with a portion of the slider assembly surface that is over the read/write element.

8. 发明申请

US20050094319A1 Two-piece magnetic shield having improved heat dissipation 有权
标题翻译：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

9. 发明授权

US06665154B2 Spin valve head with a current channeling layer 失效
标题翻译：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。

10. 发明授权

US07320168B2 Method to improve heat dissipation in a magnetic shield 有权
标题翻译：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。

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