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1. 发明申请

US20070258167A1 Perpendicular magnetic write head having a magnetic write pole with a concave trailing edge 有权
标题翻译：具有磁写入磁极的垂直磁性写头具有凹形后缘
公开(公告)号：US20070258167A1
公开(公告)日：2007-11-08
申请号：US11411556
申请日：2006-04-25
申请人： Donald Allen , Amanda Baer , Michael Feldbaum , Hung-Chin Guthrie , Wen-Chien Hsiao , Yimin Hsu , Ming Jiang , Yinshi Liu , Aron Neuhaus , Vladimir Nikitin , Aron Pentek , Katalin Pentek , Yi Zheng
发明人： Donald Allen , Amanda Baer , Michael Feldbaum , Hung-Chin Guthrie , Wen-Chien Hsiao , Yimin Hsu , Ming Jiang , Yinshi Liu , Aron Neuhaus , Vladimir Nikitin , Aron Pentek , Katalin Pentek , Yi Zheng
IPC分类号： G11B5/147
CPC分类号： G11B5/3116 , G11B5/11 , G11B5/1278 , G11B5/1871 , G11B5/3146 , G11B5/315 , G11B5/3163
摘要： A magnetic write head for perpendicular magnetic recording having a write pole with a concave trailing edge. The magnetic write pole can have a trapezoidal shape with first and second laterally opposed sides that are further apart at the trailing edge than at the leading edge. The write head may or may not include a magnetic trailing shield, and if a trailing shield is included it is separated from the trailing edge by a non-magnetic write gap layer. The concave trailing edge improves magnetic performance such as by improving the transition curvature. A method for constructing the write head includes forming a magnetic write pole by forming a mask structure over a deposited write pole material, the mask structure having an alumina hard mask and an image transfer layer such as DURAMIDE®. An alumina fill layer is then deposited and a chemical mechanical polish is performed to open up the image transfer layer. A reactive on etch is performed to remove the image transfer layer and a reactive ion mill or reactive ion etch is performed to remove the alumina hard mask and form a concave surface on the write pole.
摘要翻译：用于垂直磁记录的磁写头，具有带有凹后缘的写极。磁性写入极可以具有梯形形状，其中第一和第二横向相对侧在后缘处比在前缘处更远地分开。写头可以包括或可以不包括磁性后屏蔽，并且如果包括后屏蔽，则其通过非磁性写间隙层与后缘分离。凹形后边缘提高磁性能，例如通过改善转变曲率。构成写入头的方法包括通过在沉积的写入极材料上形成掩模结构来形成磁性写入极，掩模结构具有氧化铝硬掩模和诸如DURAMIDE的图像转移层。然后沉积氧化铝填充层，并执行化学机械抛光以打开图像转印层。执行反应性蚀刻以去除图像转印层，并且执行反应性离子磨或反应离子蚀刻以除去氧化铝硬掩模并在写入极上形成凹面。

2. 发明申请

US20070263324A1 PERPENDICULAR MAGNETIC RECORDING WRITE HEAD WITH NOTCHED TRAILING SHIELD AND METHOD FOR MAKING 失效
标题翻译：具有记录轨迹的平面磁记录头和制造方法
公开(公告)号：US20070263324A1
公开(公告)日：2007-11-15
申请号：US11379969
申请日：2006-04-24
申请人： Donald Allen , Amanda Baer , Michael Feldbaum , Wen-Chien Hsiao , Vladimir Nikitin , Aron Pentek , Katalin Pentek
发明人： Donald Allen , Amanda Baer , Michael Feldbaum , Wen-Chien Hsiao , Vladimir Nikitin , Aron Pentek , Katalin Pentek
IPC分类号： G11B5/48
CPC分类号： G11B5/1278 , G11B5/11 , G11B5/3116 , G11B5/3146 , G11B5/3163 , Y10T29/49039 , Y10T29/49043 , Y10T29/49044 , Y10T29/49046 , Y10T29/49048 , Y10T29/49052
摘要： The invention is a perpendicular magnetic recording write head with a write pole, a trapezoidal-shaped trailing shield notch, and a metal gap layer between the write pole and notch. The write pole has a trailing edge that has a width substantially defining the track width and that faces the front edge of the notch but is spaced from it by the gap layer. The write head is fabricated by a process than includes reactive ion beam etching of a thin mask film above the write pole to remove the mask film and widen the opening at the edges of the write pole. The gap layer and notch are deposited into the widened opening above the write pole. The write pole has nonmagnetic filler material, such as alumina, surrounding it except at its trailing edge, where it is in contact with the gap layer, which is formed of a different material than the surrounding filler material.
摘要翻译：本发明是一种具有写极，梯形后屏蔽切口和写极与刻槽之间的金属间隙层的垂直磁记录写头。写入极具有后缘，其具有基本上限定轨道宽度的宽度并且面向凹口的前边缘，但是通过间隙层与其间隔开。写头通过一种工艺制造，而不是包括对写极上方的薄掩模膜的反应离子束蚀刻，以去除掩模膜并加宽写入极的边缘处的开口。间隙层和凹口沉积在写柱上方的加宽开口中。写极具有非磁性填充材料，例如氧化铝，除了其后缘外围，其与间隙层接触，间隙层由与周围填料材料不同的材料形成。

3. 发明申请

US20070247750A1 Magnetic write head design for reducing temperature induced protrusion 有权
标题翻译：磁写头设计用于降低温度引起的突起
公开(公告)号：US20070247750A1
公开(公告)日：2007-10-25
申请号：US11411590
申请日：2006-04-25
申请人： Wen-Chien Hsiao , Yimin Hsu , Edward Lee , Vladimir Nikitin , Katalin Pentek
发明人： Wen-Chien Hsiao , Yimin Hsu , Edward Lee , Vladimir Nikitin , Katalin Pentek
IPC分类号： G11B5/147
CPC分类号： G11B5/1278 , G11B5/3133 , G11B5/3136
摘要： A magnetic write pole having a structure that prevents thermally induced pole tip protrusion. The write head has a return pole with a magnetic pedestal formed at the air bearing surface (ABS) and a back gap at an end opposite the ABS. An electrically conductive write coil having a plurality of turns passes over the return pole. A fill layer of a material having a low coefficient of thermal expansion, such as alumina is disposed between the coil and the pedestal, and may extend over the top of the coil to the back gap. A photoresist coil insulation layer may be provided between the turns of the coil to insulate the turns of the coil from one another. The photoresist coil insulation layer can also extend to the back gap. A write pole, formed above the return pole and coil is magnetically connected with the back gap layer and return pole by a magnetic shaping layer.
摘要翻译：具有防止热感应极尖突出的结构的磁性写入极。写头具有在空气轴承表面（ABS）形成的磁性基座的返回极和与ABS相对的一端的后部间隙。具有多个匝的导电写入线圈通过返回极。具有低热膨胀系数的材料的填充层（例如氧化铝）设置在线圈和基座之间，并且可以在线圈的顶部延伸到后部间隙。可以在线圈的匝之间设置光致抗蚀剂线圈绝缘层，以将线圈的匝彼此绝缘。光致抗蚀剂线圈绝缘层也可以延伸到后隙。在返回极和线圈之上形成的写极通过磁性成形层与后间隙层和返回极磁连接。

4. 发明申请

US20070211384A1 PERPENDICULAR MAGNETIC WRITE HEAD HAVING A CONFORMAL, WRAP-AROUND, TRAILING MAGNETIC SHIELD FOR REDUCED ADJACENT TRACK INTERFERENCE 有权
标题翻译：具有一致性，缠绕，跟踪磁屏蔽的平滑磁头，用于减少相邻的跟踪干扰
公开(公告)号：US20070211384A1
公开(公告)日：2007-09-13
申请号：US11744054
申请日：2007-05-03
申请人： Wen-Chien Hsiao , Yimin Hsu , Vladimir Nikitin , Aron Pentek , Yi Zheng
发明人： Wen-Chien Hsiao , Yimin Hsu , Vladimir Nikitin , Aron Pentek , Yi Zheng
IPC分类号： G11B5/147
CPC分类号： G11B5/112 , G11B5/1278 , G11B5/3116 , G11B5/3146 , G11B5/315 , G11B5/3163
摘要： A perpendicular magnetic write head having a conformal wrap around trailing shield. The write head includes a write pole that can be configured with a trapezoidal shape as viewed from the Air Bearing Surface (ABS) and which includes a wrap around trailing magnetic shield. The magnetic shield has a trailing portion that is separated from the leading edge of the writ pole by a non-magnetic trailing gap, and has side shield portions that are separated from first and second side portions of the write pole by first and second non-magnetic side gaps. The magnetic shield can be configured with notches at either side of the trailing portion of magnetic shield. These notches can extend in the trailing direction by a distance that is preferably ¼ to 1 times the trailing gap thickness. The width of the straight, trailing portion of the shield is preferable ½ to 1 times of the main pole width.
摘要翻译：垂直磁性写头，其具有围绕后屏蔽的保形包裹。写入头包括写入极，其可以被配置为从空气轴承表面（ABS）观察到的梯形形状，并且包括围绕尾部磁屏蔽的包裹。磁屏蔽具有通过非磁性拖尾间隙与写极的前缘分离的后部，并且具有通过第一和第二非隔离部分与写入极的第一和第二侧部分离的侧面屏蔽部分，磁侧隙。磁屏蔽可以在磁屏蔽的尾部的任一侧配置有凹口。这些凹口可以在拖尾方向上延伸一段距离，优选为后缘间隙厚度的1/4至1倍。屏蔽的直的后部的宽度优选为主极宽度的1/2至1倍。

5. 发明申请

US20070236833A1 Method and apparatus for integrating a stair notch and a gap bump at a pole tip in a write head 失效
标题翻译：用于将台阶缺口和间隙凸起集成在写头中的极尖处的方法和装置
公开(公告)号：US20070236833A1
公开(公告)日：2007-10-11
申请号：US11399821
申请日：2006-04-07
申请人： Daniel Bedell , Wen-Chien Hsiao , Ming Jiang , Hieu Lam , Kim Lee , Jyh-Shuey Lo , Aron Pentek
发明人： Daniel Bedell , Wen-Chien Hsiao , Ming Jiang , Hieu Lam , Kim Lee , Jyh-Shuey Lo , Aron Pentek
IPC分类号： G11B5/147
CPC分类号： G11B5/3163 , Y10T29/49043
摘要： A method and apparatus for integrating a stair notch and a gap bump at a pole tip in a write head is disclosed. A protective plated layer is formed over the bump to prevent the bump form being damaged during formation of the notch at the pole tip. The flux from the second pole outside of the track will be effectively channeled to the first pole piece under the alumina bump.
摘要翻译：公开了一种用于将写入头中的极尖处的台阶缺口和间隙凸起集成的方法和装置。在凸起之上形成保护镀层，以防止在极尖处形成凹口期间凸起形状被损坏。来自轨道外部的第二极的磁通将有效地引导到氧化铝凸块下方的第一极靴。

6. 发明申请

US20050023243A1 Method for creating inductive write head with steep shoulder at notch 失效
标题翻译：在凹口处创建具有陡肩的感应写头的方法
公开(公告)号：US20050023243A1
公开(公告)日：2005-02-03
申请号：US10632631
申请日：2003-07-31
申请人： Edward Lee , Aron Pentek , Wen-Chien Hsiao
发明人： Edward Lee , Aron Pentek , Wen-Chien Hsiao
IPC分类号： G11B5/187 , G11B5/31 , B44C1/22
CPC分类号： G11B5/1877 , G11B5/3163
摘要： A method for fabricating a magnetic head using a modified P1 cap process. A first pole is formed. A cap is formed above the first pole. A gap layer is formed above the cap. A second pole is formed above the gap layer. Exposed portions of the gap layer are removed. The cap and first pole are milled for creating a shoulder of the first pole tapered upwardly towards the cap. Another method for fabricating a magnetic head includes forming a first pole, forming a gap layer above the first pole, forming a second pole above the gap layer, forming a layer of photoresist above the second pole, patterning the photoresist such that the photoresist covers areas of the gap layer positioned towards the second pole, removing exposed portions of the gap layer, removing part of exposed portions of the first pole for forming steps in the first pole on opposite sides of the photoresist, removing the photoresist, and milling for creating a shoulder of the first pole tapering upwardly towards the cap.
摘要翻译：一种使用改进的P1盖过程制造磁头的方法。形成第一极。在第一极上方形成帽。在盖上方形成间隙层。在间隙层上方形成第二极。去除间隙层的露出部分。铣头和第一杆被铣削以产生第一杆的肩部向上朝向帽部锥形。制造磁头的另一方法包括形成第一极，在第一极上方形成间隙层，在间隙层上方形成第二极，在第二极上形成光致抗蚀剂层，使光致抗蚀剂覆盖区域间隔层定位成朝向第二极，去除间隙层的暴露部分，去除第一极的暴露部分的一部分，以在光致抗蚀剂的相对侧上的第一极中形成台阶，去除光致抗蚀剂，并研磨以产生第一杆的肩部朝向帽部向上逐渐变细。

7. 发明授权

US07877859B2 Shield fabrication of magnetic write heads 有权
标题翻译：磁写头的屏蔽制造
公开(公告)号：US07877859B2
公开(公告)日：2011-02-01
申请号：US11767330
申请日：2007-06-22
申请人： Wen-Chien Hsiao , Yimin Hsu , Vladimir Nikitin
发明人： Wen-Chien Hsiao , Yimin Hsu , Vladimir Nikitin
IPC分类号： G11B5/127 , H04R31/00
CPC分类号： G11B5/11 , G11B33/1493 , Y10T29/49021 , Y10T29/49028 , Y10T29/49032 , Y10T29/49043 , Y10T29/49155 , Y10T29/49165
摘要： Methods are provided for fabricating a write head with a self aligned wrap around shield and a self aligned flared region of a write pole. A flare point and a track width of a write pole may be fabricated using multiple processes. The multiple processes utilize several masking structures to define the track width and the flare point of the write pole. A mask structure is formed to cover a first portion of the write pole. An edge of the mask structure adjacent to an exposed second portion of the write pole defines a flare point of the write pole. Various structures of the write head, including shield gap layers, a wrap around shield and a flared region (e.g., the yoke) of the write pole may be fabricated from the flare point defined by the mask structure.
摘要翻译：提供了用于制造具有围绕屏蔽件的自对准包裹和写入极的自对准扩口区域的写入头的方法。可以使用多个工艺来制造写极点的闪点和轨道宽度。多个过程利用几个掩模结构来定义磁道宽度和写入磁极的扩展点。形成掩模结构以覆盖写入极的第一部分。掩模结构的与写入极的暴露的第二部分相邻的边缘限定了写入极的扩张点。写磁头的各种结构，包括屏蔽间隙层，环绕屏蔽层和写磁极的扩口区域（例如磁轭）可以由掩模结构限定的扩口来制造。

8. 发明申请

US20070236831A1 Shaped trailing shield of a perpendicular recording write element 有权
标题翻译：垂直记录写元件的形状的后盾
公开(公告)号：US20070236831A1
公开(公告)日：2007-10-11
申请号：US11399548
申请日：2006-04-06
申请人： Xiaodong Che , Wen-Chien Hsiao , Yimin Hsu , Vladimir Nikitin
发明人： Xiaodong Che , Wen-Chien Hsiao , Yimin Hsu , Vladimir Nikitin
IPC分类号： G11B5/147
CPC分类号： G11B5/1278 , G11B5/11 , G11B5/3116 , G11B5/3146
摘要： Write elements are discussed having a write pole and an associated trailing shield. A leading side of the trailing shield faces a trailing side of the write pole. The leading side of the trailing shield has a shape such that a center portion of the leading side has less of a separation from the trailing side of the write pole than track edge portions of the leading side of the trailing shield. An exemplary shape the leading side of the trailing shield may be a convex shape when viewed from the ABS. The shape of the leading side of the trailing shield causes the trailing shield to shunt less of the magnetic field from the trailing side of the write pole at the track edges so that the written transition at the track edge will not lag behind the written transition at the track center allowing for a straighter transition.
摘要翻译：讨论了具有写极点和相关联的后屏蔽的写元件。后挡板的前端面向写极的后侧。后挡板的前侧具有这样的形状，使得前侧的中心部分比后挡板的前侧的轨道边缘部分具有比写入极的后侧更小的间隔。当从ABS观察时，后护罩的前侧的示例性形状可以是凸形。尾部屏蔽的前端的形状使得后屏蔽件在轨道边缘处从写入极的后侧分流较少的磁场，使得在轨道边缘处的写入的转变不会滞后于在轨道中心允许更直接的过渡。

9. 发明申请

US20050264930A1 Method and apparatus for providing a write head with an improved pole tip to improve overwrite and/or adjacent track interference 失效
标题翻译：用于向写头提供改进的极尖以改善重写和/或相邻轨道干扰的方法和装置
公开(公告)号：US20050264930A1
公开(公告)日：2005-12-01
申请号：US10857363
申请日：2004-05-28
申请人： Savas Gider , Wen-Chien Hsiao , Quan-chiu Lam , Terence Lam , Edward Hin Lee , Yansheng Luo , Vladimir Nikitin , Changqing Shi , Xiaoyu Sui
发明人： Savas Gider , Wen-Chien Hsiao , Quan-chiu Lam , Terence Lam , Edward Hin Lee , Yansheng Luo , Vladimir Nikitin , Changqing Shi , Xiaoyu Sui
IPC分类号： G11B5/23 , G11B5/31
CPC分类号： G11B5/3116
摘要： A method and apparatus for providing a write head with an improved pole tip to improve overwrite and/or adjacent track interference. A cross pole tip writer is provided with a shape that is designed to reduce the saturation on the pole tip and aid in the concentration of flux to the down track.
摘要翻译：一种用于向写头提供改进的极尖以改善覆盖和/或相邻轨道干扰的方法和装置。十字极尖端写入器具有被设计成减小极尖上的饱和度的形状，并且有助于向下轨道的通量的集中。

10. 发明申请

US20080313885A1 SHIELD FABRICATION OF MAGNETIC WRITE HEADS 有权
标题翻译：磁性写头的屏蔽制作
公开(公告)号：US20080313885A1
公开(公告)日：2008-12-25
申请号：US11767330
申请日：2007-06-22
申请人： Wen-Chien Hsiao , Yimin Hsu , Vladimir Nikitin
发明人： Wen-Chien Hsiao , Yimin Hsu , Vladimir Nikitin
IPC分类号： G11B5/10 , G11B5/33
CPC分类号： G11B5/11 , G11B33/1493 , Y10T29/49021 , Y10T29/49028 , Y10T29/49032 , Y10T29/49043 , Y10T29/49155 , Y10T29/49165
摘要： Methods are provided for fabricating a write head with a self aligned wrap around shield and a self aligned flared region of a write pole. A flare point and a track width of a write pole may be fabricated using multiple processes. The multiple processes utilize several masking structures to define the track width and the flare point of the write pole. A mask structure is formed to cover a first portion of the write pole. An edge of the mask structure adjacent to an exposed second portion of the write pole defines a flare point of the write pole. Various structures of the write head, including shield gap layers, a wrap around shield and a flared region (e.g., the yoke) of the write pole may be fabricated from the flare point defined by the mask structure.
摘要翻译：提供了用于制造具有围绕屏蔽件的自对准包裹和写入极的自对准扩口区域的写入头的方法。可以使用多个工艺来制造写极点的闪点和轨道宽度。多个过程利用几个掩模结构来定义磁道宽度和写入磁极的扩展点。形成掩模结构以覆盖写入极的第一部分。掩模结构的与写入极的暴露的第二部分相邻的边缘限定了写入极的扩张点。写磁头的各种结构，包括屏蔽间隙层，环绕屏蔽层和写磁极的扩口区域（例如磁轭）可以由掩模结构限定的扩口来制造。

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