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1. 发明申请

US20060082932A1 Magnetic read head with dual layer lead 审中-公开
标题翻译：带双层引线的磁头
公开(公告)号：US20060082932A1
公开(公告)日：2006-04-20
申请号：US11292157
申请日：2005-12-01
申请人： Marie-Claire Cyrille , Frederick Dill , Kuok Ho , Jui-Lung Li , Scott MacDonald , James Nix , Ching Tsang
发明人： Marie-Claire Cyrille , Frederick Dill , Kuok Ho , Jui-Lung Li , Scott MacDonald , James Nix , Ching Tsang
IPC分类号： G11B5/33 , G11B5/127
CPC分类号： G11B5/313 , Y10T29/49048
摘要： A read head has a bottom lead made of material that is relatively polish resistant and a top lead layer that polishes down more easily than the bottom layer. With this structure, when the layers are deposited and then polished down, the top layer recesses away from the sensor (and bottom lead layer) in a controlled fashion, providing an acceptable lead structure that reduces the mismatch between the read head physical read width and magnetic read width.
摘要翻译：读头具有由相对耐光的材料制成的底部引线和比底层更容易抛光的顶部引线层。利用这种结构，当层沉积然后被抛光时，顶层以受控的方式远离传感器（和底部引线层），提供可接受的引线结构，其减小了读取头物理读取宽度和磁读宽度。

2. 发明申请

US20050024782A1 Magnetic read head with dual layer lead 失效
公开(公告)号：US20050024782A1
公开(公告)日：2005-02-03
申请号：US10629513
申请日：2003-07-29
申请人： Marie-Claire Cyrille , Frederick Dill , Kuok Ho , Jui-Lung Li , Scott MacDonald , James Nix , Ching Tsang
发明人： Marie-Claire Cyrille , Frederick Dill , Kuok Ho , Jui-Lung Li , Scott MacDonald , James Nix , Ching Tsang
IPC分类号： G11B5/31 , G11B5/39
CPC分类号： G11B5/313 , Y10T29/49048
摘要： A read head has a bottom lead made of material that is relatively polish resistant and a top lead layer that polishes down more easily than the bottom layer. With this structure, when the layers are deposited and then polished down, the top layer recesses away from the sensor (and bottom lead layer) in a controlled fashion, providing an acceptable lead structure that reduces the mismatch between the read head physical read width and magnetic read width.

3. 发明申请

US20050180063A1 Method for biasing magnetoresistive sensor with decoupled hard bias multilayers 失效
标题翻译：用去耦硬偏置多层膜偏置磁阻传感器的方法
公开(公告)号：US20050180063A1
公开(公告)日：2005-08-18
申请号：US10782628
申请日：2004-02-18
申请人： Marie-Claire Cyrille , Meng Ding , Kuok Ho , Prakash Kasiraj , Ernesto Marinero , James Nix
发明人： Marie-Claire Cyrille , Meng Ding , Kuok Ho , Prakash Kasiraj , Ernesto Marinero , James Nix
IPC分类号： G11B5/127 , G11B5/33 , G11B5/39
CPC分类号： G11B5/3903
摘要： A magnetic sensor is provided, having two bias layers separated by a decoupling layer to eliminate exchange coupling between the bias layers. The two bias layers may have differing coercivities, such that the biases provided by the bias layers to the free layer are independently adjustable. The grain structures of the two bias layers may be substantially decorrelated by the decoupling layer.
摘要翻译：提供了一种磁传感器，其具有由解耦层隔开的两个偏置层，以消除偏置层之间的交换耦合。两个偏置层可以具有不同的矫顽力，使得由偏置层提供给自由层的偏压是独立可调的。两个偏置层的晶粒结构可以通过去耦层基本上去相关。

4. 发明申请

US20060196040A1 Method for making a magnetoresistive read head having a pinned layer width greater than the free layer stripe height 失效
标题翻译：用于制造具有大于自由层条纹高度的钉扎层宽度的磁阻读取头的方法
公开(公告)号：US20060196040A1
公开(公告)日：2006-09-07
申请号：US11072559
申请日：2005-03-03
申请人： Marie-Claire Cyrille , Meng Ding , Elizabeth Dobisz , Kuok Ho , Scott MacDonald
发明人： Marie-Claire Cyrille , Meng Ding , Elizabeth Dobisz , Kuok Ho , Scott MacDonald
IPC分类号： G11B5/127 , C23C14/00
CPC分类号： B82Y25/00 , B82Y10/00 , G01R33/093 , G11B5/3163 , G11B5/3169 , G11B5/3903 , G11B2005/3996 , Y10T29/49041 , Y10T29/49044 , Y10T29/49046 , Y10T29/49048 , Y10T29/49052
摘要： A method for making a magnetoresistive read head so that the pinned ferromagnetic layer is wider than the stripe height of the free ferromagnetic layer uses ion milling with the ion beam aligned at an angle to the substrate supporting the stack of layers making up the read head. The stack is patterned with photoresist to define a rectangular region with front and back long edges aligned parallel to the read head track width. After ion milling in two opposite directions orthogonal to the front and back long edges, the pinned layer width has an extension. The extension makes the width of the pinned layer greater than the stripe height of the free layer after the substrate and stack of layers are lapped. The length of the extension is determined by the angle between the substrate and the ion beam and the thickness of the photoresist.
摘要翻译：一种用于制造磁阻读取头的方法，使得被钉扎铁磁层比自由铁磁层的条带高度宽，使用离子铣削，离子束与支撑构成读取头的层叠层的衬底成一角度对准。叠层用光致抗蚀剂图案化以限定具有平行于读头磁道宽度排列的前后长边缘的矩形区域。在与前后长边缘正交的两个相反方向离子铣削后，钉扎层宽度具有延伸。在衬底和层叠层之后，延伸部使得钉扎层的宽度大于自由层的条带高度。延伸长度由基板和离子束之间的角度以及光致抗蚀剂的厚度决定。

5. 发明申请

US20050241138A1 Method of making a read sensor while protecting it from electrostatic discharge (ESD) damage 失效
标题翻译：制造读取传感器同时防止静电放电（ESD）损坏的方法
公开(公告)号：US20050241138A1
公开(公告)日：2005-11-03
申请号：US10835807
申请日：2004-04-30
申请人： Frederick Dill , Meng Ding , Kuok Ho , Jordan Katine , Scott MacDonald , Huey-Ming Tzeng
发明人： Frederick Dill , Meng Ding , Kuok Ho , Jordan Katine , Scott MacDonald , Huey-Ming Tzeng
IPC分类号： G11B5/187 , G11B5/31 , G11B5/39 , G11B5/40
CPC分类号： G11B5/3906 , G11B5/3163 , G11B5/40 , Y10T29/49021 , Y10T29/49043 , Y10T29/49048
摘要： A method of making a read sensor while protecting it from electrostatic discharge (ESD) damage involves forming a severable shunt during the formation of the read sensor. The method may include forming a resist layer over a plurality of read sensor layers; performing lithography with use of a mask to form the resist layer into a patterned resist which exposes left and right side regions over the read sensor layers as well as a shunt region; etching, with the patterned resist in place, to remove materials in the left and right side regions and in the shunt region; and depositing, with the patterned resist in place, left and right hard bias and lead layers in the left and right side regions, respectively, and in the shunt region for forming a severable shunt which electrically couples the left and right hard bias and lead layers together for ESD protection.
摘要翻译：制造读取传感器同时防止静电放电（ESD）损坏的方法包括在形成读取的传感器期间形成可分离的分流。该方法可以包括在多个读取传感器层上形成抗蚀剂层; 使用掩模执行光刻以将抗蚀剂层形成图案化的抗蚀剂，其在读取的传感器层以及分流区域上暴露左侧区域和右侧区域; 蚀刻，图案化抗蚀剂就位，以去除左右侧区域和分流区域中的材料; 并且分别在左侧区域和右侧区域以及分流区域中分别将图案化的抗蚀剂沉积在左侧和右侧的硬偏压和引线层，以形成可分离的分流器，其将左右硬偏压和引线层电耦合一起为ESD保护。

6. 发明申请

US20070035887A1 Magnetoresistive sensor having a shape enhanced pinned layer 失效
标题翻译：具有形状增强的钉扎层的磁阻传感器
公开(公告)号：US20070035887A1
公开(公告)日：2007-02-15
申请号：US11204452
申请日：2005-08-15
申请人： James Freitag , Kuok Ho , Mustafa Pinarbasi , Ching Tsang
发明人： James Freitag , Kuok Ho , Mustafa Pinarbasi , Ching Tsang
IPC分类号： G11B5/33
CPC分类号： G11B5/3906 , B82Y25/00 , G01R33/093 , G11B5/398
摘要： A magnetoresistive sensor having a pinned layer that extends beyond the stripe height defined by the free layer of the sensor. The extended pinned layer has a strong shape induced anisotropy that maintains pinning of the pinned layer moment. The extended portion of the pinned layer has sides beyond the stripe height that are perfectly aligned with the sides of the sensor within the stripe height. This perfect alignment is made possible by a manufacturing method that uses a mask structure for more than one manufacturing phase, eliminating the need for multiple mask alignments.
摘要翻译：磁阻传感器具有延伸超过由传感器的自由层限定的条纹高度的钉扎层。延伸的钉扎层具有强烈的形状诱导的各向异性，保持钉扎层力矩的钉扎。被钉扎层的延伸部分具有超过条带高度的侧面，其在条纹高度内完全与传感器的侧面对准。通过使用掩模结构用于多于一个制造阶段的制造方法，可以实现这种完美的对准，从而消除了对多个掩模对准的需要。

7. 发明申请

US20060092566A1 Double notched shield and pole structure for stray field reduction in a magnetic head 失效
标题翻译：用于磁头中杂散场减少的双切口屏蔽和极结构
公开(公告)号：US20060092566A1
公开(公告)日：2006-05-04
申请号：US10977446
申请日：2004-10-29
申请人： Kuok Ho , Yimin Hsu , Ching Tsang
发明人： Kuok Ho , Yimin Hsu , Ching Tsang
IPC分类号： G11B5/147
CPC分类号： G11B5/3116 , G11B5/11 , G11B5/1278 , G11B5/3146
摘要： A double notched magnetic structure for use in a magnetic head for avoiding stray field writing. The structure could be a magnetic shield, magnetic pole of a write head or some other magnetic structure used in a magnetic head of a magnetic recording system, and has notches formed at both the front end (adjacent to the ABS) and at the back end (away from the ABS). The notches at the front end form a forward protruding portions that performs the necessary function of the structure, such as magnetic shielding, and has laterally extending recessed portions (recessed by the front notches) that move the flux focal points of the structure away from the ABS to avoid stray field writing. The back notches form a backward extending portion that affects the geometry of the structure to prevent the focusing of magnetic flux caused by stray magnetic fields having a component perpendicular to the ABS.
摘要翻译：用于磁头中的双切口磁结构，用于避免杂散场写入。该结构可以是磁屏蔽，写磁头的磁极或磁记录系统的磁头中使用的一些其它磁性结构，并且在前端（邻近ABS）和后端形成有缺口（远离ABS）。前端的凹口形成一个向前突出的部分，其执行诸如磁屏蔽的结构的必要功能，并且具有横向延伸的凹陷部分（由凹槽凹陷），该凹陷部分将结构的通量焦点移动离开 ABS避免杂散场写入。后凹口形成一个向后延伸部分，该部分影响结构的几何形状，以防止由具有垂直于ABS的分量的杂散磁场引起的磁通聚焦。

8. 发明申请

US20060092562A1 Winged design for reducing corner stray magnetic fields 失效
公开(公告)号：US20060092562A1
公开(公告)日：2006-05-04
申请号：US10977315
申请日：2004-10-29
申请人： Kuok Ho , Yimin Hsu , Masafumi Mochizuki , Ching Tsang , Roger Wood
发明人： Kuok Ho , Yimin Hsu , Masafumi Mochizuki , Ching Tsang , Roger Wood
IPC分类号： G11B5/17
CPC分类号： G11B5/1278 , G11B5/3116 , G11B5/315
摘要： Embodiments of the present invention are directed to structures of a recording head having a winged design for reducing corner stray magnetic fields. In one embodiment, the present invention comprises a magnetic recording head comprising a plurality of components. In embodiments of the present invention at least one of the plurality of components comprises a surface exposed to an air bearing surface when in operation with a recording medium. The surface exposed to the air bearing surface comprises notched edges for constraining corner stray magnetic fields associated therewith.

9. 发明申请

US20060092565A1 Notched shield and pole structure with slanted wing for perpendicular recording 有权
标题翻译：具有垂直记录的倾斜翼的缺口盾和杆结构
公开(公告)号：US20060092565A1
公开(公告)日：2006-05-04
申请号：US10976479
申请日：2004-10-29
申请人： Kuok Ho , Yimin Hsu , Ching Tsang
发明人： Kuok Ho , Yimin Hsu , Ching Tsang
IPC分类号： G11B5/147
CPC分类号： G11B5/1278 , G11B5/3116 , G11B5/398
摘要： A magnetic structure for use in a magnetic head for avoiding stray field writing. The magnetic structure can be for example a magnetic shield or could be a magnetic pole of a write head and is particularly advantageous for use in a perpendicular recording system, because such perpendicular recording systems are especially susceptible to stray field writing. The magnetic structure includes a forward protruding portion that extends toward the air bearing surface (ABS) of the head also includes first and second wing portions that extend laterally from the forward protruding portion. The wing portions each have a front edge that is recessed from the ABS. The wings are tapered so that the amount of recess of the front edge of the wings increases with lateral distance from the center of the magnetic structure.
摘要翻译：用于磁头的磁结构，用于避免杂散场写入。磁性结构可以是例如磁屏蔽或者可以是写入磁头的磁极，并且对于在垂直记录系统中使用是特别有利的，因为这样的垂直记录系统特别容易受到杂散磁场写入的影响。磁性结构包括朝向头部的空气支承表面（ABS）延伸的向前突出部分还包括从前突出部分横向延伸的第一和第二翼部分。翼部各自具有从ABS凹入的前边缘。翅膀是锥形的，使得翼的前边缘的凹部的数量随着与磁性结构的中心的横向距离而增加。

10. 发明申请

US20050180061A1 Self-pinned read sensor design with enhanced lead stabilizing mechanism 失效
标题翻译：自固定读取传感器设计，具有增强的引线稳定机制
公开(公告)号：US20050180061A1
公开(公告)日：2005-08-18
申请号：US10781548
申请日：2004-02-18
申请人： Meng Ding , Robert Fontana , Kuok Ho , Neil Robertson , Ching Tsang
发明人： Meng Ding , Robert Fontana , Kuok Ho , Neil Robertson , Ching Tsang
IPC分类号： G01R33/09 , G11B5/39 , H01L43/08 , G11B5/33 , G11B5/127
CPC分类号： B82Y25/00 , G01R33/093 , G11B5/3912
摘要： A self pinned magnetoresistive sensor that has a relatively thick compressive material at either side to assist with self pinning. A shield having recessed portions at either side of the sensor area allows room for a thicker compressive layer than would otherwise be possible.
摘要翻译：自固定磁阻传感器，在任一侧具有相对较厚的压缩材料以辅助自锁。在传感器区域的任一侧具有凹入部分的屏蔽件允许比否则可能的空间更厚的压缩层。

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