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71. 发明授权

US07022248B2 Method for patterning a self-aligned coil using a damascene process 失效
标题翻译：使用镶嵌工艺图案化自对准线圈的方法
公开(公告)号：US07022248B2
公开(公告)日：2006-04-04
申请号：US10652878
申请日：2003-08-29
申请人： Daniel Wayne Bedell , Quang Le , Edward Hin Pong Lee , Son Van Nguyen , Vladimir Nikitin , Murali Ramasubramanian
发明人： Daniel Wayne Bedell , Quang Le , Edward Hin Pong Lee , Son Van Nguyen , Vladimir Nikitin , Murali Ramasubramanian
IPC分类号： B44C1/22
CPC分类号： G11B5/3967 , G11B5/17 , G11B5/3116 , G11B5/313 , G11B5/3136 , G11B5/3163 , H01F41/041 , Y10T29/49021
摘要： A method for patterning a self-aligned coil using a damascene process is disclosed. Coil pockets are formed in a first insulation layer disposed over a first pole layer. A barrier/seed layer is deposited along walls of the coil pockets in the insulation layer. Copper is formed in the coil pockets and over the insulation layer. The copper is planarized down to the insulation layer. The self-aligned coil process packs more copper into the same coil pocket and relaxes the coil alignment tolerance. Protrusions are prevented because of the more efficient and uniform spacing of the coil to reduce heat buildup in the head during a write.
摘要翻译：公开了一种使用镶嵌工艺图案化自对准线圈的方法。在设置在第一极层上的第一绝缘层中形成线圈腔。隔离层/籽晶层沿绝缘层中的线圈袋的壁被沉积。在线圈袋中形成铜，并在绝缘层上形成铜。铜平坦化到绝缘层。自对准线圈工艺将更多的铜包装到相同的线圈袋中，并松弛线圈对准公差。由于在写入期间线圈的间隔更加有效和均匀以减少头部的积聚，所以防止了突起。

72. 发明授权

US06798621B2 Shield electrical connections for tunnel valve sensors 失效
标题翻译：隧道阀门传感器屏蔽电气连接
公开(公告)号：US06798621B2
公开(公告)日：2004-09-28
申请号：US10219727
申请日：2002-08-15
申请人： Edward Hin Pong Lee , Jeffrey Gregory McCord
发明人： Edward Hin Pong Lee , Jeffrey Gregory McCord
IPC分类号： G11B539
CPC分类号： B82Y25/00 , B82Y10/00 , G11B5/313 , G11B5/3903 , G11B5/3909
摘要： A magnetic head includes a tunnel valve sensor, a first shield coupled to a first end of the tunnel valve sensor, and a second shield coupled to a second end of the tunnel valve sensor. A first connecting column electrically couples the first shield to a first read pad, and a second connecting column electrically couples the second shield to a second read pad. However, the first connecting column is magnetically uncoupled from the first shield and the second connecting column is magnetically uncoupled from the second shield. Advantageously, this eliminates or substantially reduces the influence of the connecting columns (which may be made in part from the same magnetic materials as the pole pieces) on the magnetic properties of the shields. In one example, the first connecting column is offset from the first shield and is coupled to it through a first connecting neck, and similarly the second connecting column is offset from the second shield and is coupled to it through a second connecting neck. In another example, the first and the second shields are made of a magnetic material whereas the first and the second connecting columns are made of a non-magnetic electrically conductive material.
摘要翻译：磁头包括隧道阀传感器，耦合到隧道阀传感器的第一端的第一屏蔽件和耦合到隧道阀传感器的第二端的第二屏蔽件。第一连接列将第一屏蔽层电耦合到第一读取焊盘，而第二连接柱将第二屏蔽层电耦合到第二读取焊盘。然而，第一连接柱与第一屏蔽件磁耦合，并且第二连接柱与第二屏蔽件磁耦合。有利地，这消除或基本上减少了连接柱（其可以部分地由与极片相同的磁性材料制成）对屏蔽件的磁性的影响。在一个示例中，第一连接柱偏离第一屏蔽并且通过第一连接颈部与其连接，并且类似地，第二连接柱偏离第二屏蔽并通过第二连接颈部与其连接。在另一示例中，第一和第二屏蔽由磁性材料制成，而第一和第二连接柱由非磁性导电材料制成。

73. 发明授权

US06725527B2 Method of making a magnetic head assembly having open yoke write head with highly defined narrow track width 失效
标题翻译：制造具有高度限定的窄轨道宽度的开放磁轭写头的磁头组件的方法
公开(公告)号：US06725527B2
公开(公告)日：2004-04-27
申请号：US09908083
申请日：2001-07-18
申请人： Thomas Young Chang , Glen Adam Garfunkel , Edward Hin Pong Lee , Neil Leslie Robertson , Samuel Wonder Yuan
发明人： Thomas Young Chang , Glen Adam Garfunkel , Edward Hin Pong Lee , Neil Leslie Robertson , Samuel Wonder Yuan
IPC分类号： G11B5127
CPC分类号： G11B5/3103 , G11B5/3116 , G11B5/313 , G11B5/3146 , G11B5/3967 , Y10T29/49032 , Y10T29/49043 , Y10T29/49044 , Y10T29/4906
摘要： A magnetic head assembly has an open yoke type write head constructed on top of a read head so that the write head can be constructed with a very narrow track width without restraint by the requirements of the read head. The write head has first and second pole piece portions wherein the second pole piece portion has separate front and back layer portions. A coil layer is wrapped around only the first pole piece portion and the back layer portion so that the front layer portion can be constructed separately to provide a narrow track width. Further, in a preferred embodiment the front layer portion has a reduced thickness and a higher magnetic moment than the thickness and magnetic moment of the first pole piece portion and the back layer portion. Still further, in a preferred embodiment the first pole piece portion and the back layer portion are planar due to polarization of underlying layers.
摘要翻译：磁头组件具有构造在读头的顶部上的开式轭型写入头，使得写入头可以被构造成具有非常窄的轨道宽度，而不受读取头的要求的限制。写头具有第一和第二极靴部分，其中第二极靴部分具有分离的前部和后部部分。线圈层仅缠绕在第一极靴部分和背层部分上，使得前层部分可以分开构造以提供窄的轨道宽度。此外，在优选实施例中，前层部分具有比第一极靴部分和背部部分的厚度和磁矩更小的厚度和更高的磁矩。此外，在优选实施例中，由于下层的极化，第一极靴部分和后层部分是平面的。

74. 发明授权

US06470566B2 ESD protection during GMR head fabrication 失效
标题翻译： GMR头制造期间的ESD保护
公开(公告)号：US06470566B2
公开(公告)日：2002-10-29
申请号：US09754139
申请日：2001-01-03
申请人： Richard Hsiao , Edward Hin Pong Lee , Timothy J. Moran , Joseph Francis Smyth , Howard Gordon Zolla
发明人： Richard Hsiao , Edward Hin Pong Lee , Timothy J. Moran , Joseph Francis Smyth , Howard Gordon Zolla
IPC分类号： G11B5127
CPC分类号： G11B5/3903 , G11B5/3163 , G11B5/3173 , G11B5/40 , Y10T29/49032 , Y10T29/49043
摘要： To protect the MR read head element from ESD damage during wafer level manufacturing, a lead from the MR element is electrically connected to one or both of the read head element shields during manufacturing. In a preferred embodiment of the present invention, the electrical connection is fabricated in the kerf area between adjacent magnetic heads as they are fabricated upon a wafer substrate. Thereafter, when the magnetic heads are separated by saw cutting through the kerf areas, the electrical connections are thereby removed, such that the MR element electrical leads and the shields are electrically isolated. In an alternative embodiment, one or more of the shields, as well as the MR element leads can also be electrically connected to the substrate upon which the magnetic head is fabricated. In further alternative embodiments, the electrical connection between one or more of the shields and the MR element electrical lead can be fabricated within the magnetic head area, rather than in the kerf area, and a suitable resistance is fabricated into the interconnecting circuit. In this embodiment, the electrical interconnection between the MR element electrical lead and one or more of the shields has a pre-designed electrical resistance and it remains in the magnetic head following fabrication.
摘要翻译：为了在晶片级制造期间保护MR读取头元件免受ESD损坏，来自MR元件的引线在制造期间电连接到读头元件屏蔽中的一个或两个。在本发明的优选实施例中，当在晶片衬底上制造时，在相邻磁头之间的切口区域中制造电连接。此后，当通过锯切通过切口区域分离磁头时，由此去除电连接，使得MR元件电引线和屏蔽件电隔离。在替代实施例中，一个或多个屏蔽件以及MR元件引线也可以电连接到其上制造磁头的基板。在另外的替代实施例中，一个或多个屏蔽件和MR元件电引线之间的电连接可以制造在磁头区域内，而不是在切口区域中，并且在互连电路中制造合适的电阻。在该实施例中，MR元件电引线与一个或多个屏蔽之间的电互连具有预先设计的电阻，并且在制造之后它保持在磁头中。

75. 发明授权

US5655475A Method of grinding thin-film magnetic heads using optical grinding markers 失效
标题翻译：使用光学研磨标记研磨薄膜磁头的方法
公开(公告)号：US5655475A
公开(公告)日：1997-08-12
申请号：US709921
申请日：1996-09-09
申请人： Douglas Warren Crandell , Edward Hin Pong Lee , David John Seagle
发明人： Douglas Warren Crandell , Edward Hin Pong Lee , David John Seagle
IPC分类号： B24B37/04 , B24B49/04 , B24B49/12 , G11B5/31 , G01D21/00
CPC分类号： G11B5/3166 , B24B37/048 , B24B49/04 , B24B49/12 , G11B5/3116 , G11B5/314 , G11B5/3169 , G11B5/012
摘要： According to the present grinding method, a plurality of optical markers are formed by photolithography such that the markers are embedded in a chiplet having a magnetic head. Markers are preferably in the shape of a bar having predetermined height, width and length and are spaced from each other by a predetermined distance where one end of the bars are sequentially offset from each other by a predetermined amount. During coarse grinding of the magnetic head as the magnetic head surface material is ground away, the end-face of the bars, one at a time, become visible. The closer the grinding surface approaches the desired inductive throat or MR element height, more end-faces become visible. Coarse grinding continues until a predetermined number of end-faces become visible at which point the grinding process is terminated and the magnetic head is ready for the final lapping process.
摘要翻译：根据本研磨方法，通过光刻法形成多个光学标记，使得标记物嵌入具有磁头的小芯片中。标记优选为具有预定高度，宽度和长度的条形的形状，并且彼此隔开预定距离，其中杆的一端相互偏移预定量。当磁头表面材料被磨掉时，在磁头粗磨时，钢筋的端面一次一个变得可见。研磨表面越接近所需的感应喉部或MR元件高度，越多的端面变得可见。继续进行粗磨，直到预定数量的端面变得可见，此时研磨过程终止，并且磁头准备好进行最后的研磨过程。

76. 发明授权

US08472148B2 Self-aligned double flux guided TMR sensor 有权
标题翻译：自对准双通量引导TMR传感器
公开(公告)号：US08472148B2
公开(公告)日：2013-06-25
申请号：US12508843
申请日：2009-07-24
申请人： Diane L. Brown , Edward Hin Pong Lee , David John Seagle
发明人： Diane L. Brown , Edward Hin Pong Lee , David John Seagle
IPC分类号： G11B5/33
CPC分类号： G11B5/3143 , B82Y10/00 , B82Y25/00 , G01R33/098 , G11B5/00821 , G11B5/3909 , G11B5/3912 , G11B5/3948 , G11B2005/3996
摘要： A magnetic head according to one embodiment includes an array of sensor structures formed on a common substrate. Each sensor structure further comprises: a magnetic tunnel junction sensor spaced from a media-facing surface of the head; and a flux guide between the media-facing surface of the head and the sensor, the flux guide guiding magnetic flux from a magnetic medium adjacent the media-facing surface to the sensor. Additional systems and methods are also presented.
摘要翻译：根据一个实施例的磁头包括形成在公共衬底上的传感器结构阵列。每个传感器结构还包括：与头部的面向媒体的表面间隔开的磁性隧道结传感器; 以及在所述头部的介质相对表面和所述传感器之间的磁通引导件，所述磁通引导件将磁性介质从与介质相对表面相邻的磁介质传导到所述传感器。还介绍了其他系统和方法。

77. 发明授权

US08397371B2 Process of manufacturing low resistance damascene coils 失效
标题翻译：制造低阻大马士革线圈的工艺
公开(公告)号：US08397371B2
公开(公告)日：2013-03-19
申请号：US12707652
申请日：2010-02-17
申请人： Daniel Wayne Bedell , David Patrick Druist , Edward Hin Pong Lee , Jennifer Ai-Ming Loo , Vladimir Nikitin , Sue Siyang Zhang
发明人： Daniel Wayne Bedell , David Patrick Druist , Edward Hin Pong Lee , Jennifer Ai-Ming Loo , Vladimir Nikitin , Sue Siyang Zhang
IPC分类号： G11B5/17 , G11B5/187
CPC分类号： G11B5/3123 , Y10T29/49043 , Y10T29/4906 , Y10T29/49064
摘要： In one embodiment and method of the present invention, a coil of a write head is created by forming a P1 pedestal layer and a back gap layer and further forming a coil pattern consistent with the coil to be formed and insulator spacers dispersed in the coil pattern, using a non-damascene process, thereafter the coil is formed by plating using a damascene process.
摘要翻译：在本发明的一个实施例和方法中，通过形成P1基座层和后间隙层，并且进一步形成与要形成的线圈一致的线圈图案并且将绝缘体间隔物分散在线圈图案中，形成写入头的线圈，使用非镶嵌工艺，然后通过使用镶嵌工艺电镀形成线圈。

78. 发明授权

US08274762B2 Methods and systems for using resistivity of sensor film in an element shunt 有权
标题翻译：在元件分流中使用传感器膜电阻率的方法和系统
公开(公告)号：US08274762B2
公开(公告)日：2012-09-25
申请号：US12130389
申请日：2008-05-30
申请人： Satoru Araki , Ying Hong , Edward Hin Pong Lee , Tsann Lin , David John Seagle
发明人： Satoru Araki , Ying Hong , Edward Hin Pong Lee , Tsann Lin , David John Seagle
IPC分类号： G11B5/33
CPC分类号： G01R33/18 , G01R33/0023 , G11B5/3929
摘要： A system in one approach includes a sensor stack formed of a plurality of thin film layers; a shunt formed of at least some of the same layers as the sensor stack, the shunt being spaced from the sensor stack; a first lead coupled to the sensor stack and the shunt; and a second lead coupled to the sensor stack and the shunt. A method in one embodiment includes forming a plurality of thin film layers; removing a portion of the thin film layers for defining at least a portion of a sensor stack and at least a portion of a shunt spaced front the sensor stack; forming a first lead coupled to the at least a portion of the sensor stack and the at least a portion of the shunt and a second lead coupled to the at least a portion of the sensor stack and the at least a portion of the shunt. Additional systems and methods are also presented.
摘要翻译：一种方法的系统包括由多个薄膜层形成的传感器堆叠; 由与所述传感器堆叠的至少一些相同层形成的分流器，所述分流器与所述传感器堆叠间隔开; 耦合到传感器堆叠和分流器的第一引线; 以及耦合到传感器堆叠和分流器的第二引线。一个实施例中的方法包括形成多个薄膜层; 去除用于限定传感器堆叠的至少一部分的薄膜层的一部分和与传感器堆叠间隔开的分流器的至少一部分; 形成耦合到传感器堆叠的至少一部分和分流器的至少一部分的第一引线和耦合到传感器堆叠的至少一部分和分流器的至少一部分的第二引线。还介绍了其他系统和方法。

79. 发明授权

US08225487B2 Method for confining sense current of a read transducer to an air-bearing surface(ABS) side of a free layer 有权
标题翻译：将读取传感器的感测电流限制在自由层的空气轴承表面（ABS）侧的方法
公开(公告)号：US08225487B2
公开(公告)日：2012-07-24
申请号：US12180313
申请日：2008-07-25
申请人： Ying Hong , Edward Hin Pong Lee , Aron Pentek , David John Seagle
发明人： Ying Hong , Edward Hin Pong Lee , Aron Pentek , David John Seagle
IPC分类号： G11B5/127 , H04R31/00
CPC分类号： G11B5/3909 , B82Y10/00 , B82Y25/00 , G11B5/3163 , G11B5/3929 , G11B5/398 , G11B2005/3996 , Y10T29/49043 , Y10T29/49044 , Y10T29/49046 , Y10T29/49048 , Y10T29/49052
摘要： A method according to one embodiment includes forming a mask above a thin film sensor stack; forming an electrically insulating layer above the mask and sensor stack, the insulating layer having a portion extending along a nonhorizontal end of the mask; selectively removing the insulating layer except for the portion thereof extending along the nonhorizontal end of the mask; removing portions of the sensor stack that are not covered by the mask and the portion of the insulating layer, wherein an end of the portion of the insulating layer positioned away from the mask is about aligned with a back end of the sensor stack after removing the portions thereof; and removing the mask.
摘要翻译：根据一个实施例的方法包括在薄膜传感器堆叠之上形成掩模; 在所述掩模和传感器堆叠之上形成电绝缘层，所述绝缘层具有沿着所述掩模的非水平端延伸的部分; 选择性地除去除了沿着掩模的非水平端延伸的部分之外的绝缘层; 去除未被掩模覆盖的部分和绝缘层的部分，其中绝缘层的远离掩模的部分的一端在移除之后与传感器堆的后端大致对准其部分; 并取下面罩。

80. 发明授权

US07969687B2 Magnetic head with delayed connection heater shunting 有权
标题翻译：磁头与延时连接加热器分流
公开(公告)号：US07969687B2
公开(公告)日：2011-06-28
申请号：US12124997
申请日：2008-05-21
申请人： Edward Hin Pong Lee , David John Seagle
发明人： Edward Hin Pong Lee , David John Seagle
IPC分类号： G11B15/10
CPC分类号： G11B5/314 , G11B5/102 , G11B5/6005 , G11B5/6064
摘要： A slider structure that allows a grounded heater element to be employed, while also allowing a decision of whether the slider is to be an “up” slider or a “down” slider to be made in a late stage in the formation of the slider. The slider includes electrical contact pads for making electrical connection with the heater element. The slider also includes a dedicated ground path formed on the slider body at a location that is removed from either of the first and second contact pads, ground path providing electrical connectivity to the slider body. At a late stage in the manufacture of the read and write head, a determination can be made as to which contact pad is to be a ground pad, and that pad can be electrically connected with the ground path.
摘要翻译：允许使用接地加热器元件的滑块结构，同时还允许决定滑块是否是在滑块的形成的后期制造的“向上”滑块或“向下”滑块。滑块包括用于与加热器元件电连接的电接触垫。滑块还包括在从第一和第二接触焊盘之一移除的位置处形成在滑块主体上的专用接地路径，提供与滑块主体的电连接的接地路径。在制造读写头的后期阶段，可以确定哪个接触焊盘是接地焊盘，并且该焊盘可以与接地路径电连接。

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