公开(公告)号：US07848054B2

公开(公告)日：2010-12-07

申请号：US11744054

申请日：2007-05-03

申请人： Wen-Chien David Hsiao ,  Yimin Hsu ,  Vladimir Nikitin ,  Aron Pentek ,  Yi Zheng

发明人： Wen-Chien David Hsiao ,  Yimin Hsu ,  Vladimir Nikitin ,  Aron Pentek ,  Yi Zheng

IPC分类号： G11B5/127

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 write 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隔与写入极的前端分离的后部，并且具有通过第一和第二非间隙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。

公开(公告)号：US20100157474A1

公开(公告)日：2010-06-24

申请号：US12341834

申请日：2008-12-22

申请人： Wen-Chien David Hsiao ,  Vladimir Nikitin ,  Aron Pentek ,  Sue Siyang Zhang ,  Yi Zheng

发明人： Wen-Chien David Hsiao ,  Vladimir Nikitin ,  Aron Pentek ,  Sue Siyang Zhang ,  Yi Zheng

IPC分类号： G11B5/127

CPC分类号： G11B5/3116 ,  G11B5/3163

摘要： A system according to one embodiment includes a magnetic pole; a bump structure above the pole, the bump structure having a first surface oriented at a first angle between 1° and 89° from a plane of deposition of the pole, and a second surface oriented at a second angle between 1° and 89° from the plane of deposition of the pole, wherein the second angle is greater than the first angle; and a shield above the bump structure. A method according to one embodiment includes forming a bump layer above a magnetic pole; removing a portion of the bump layer for forming a step therein; and milling the bump layer for defining thereon a first surface oriented at a first angle between 1° and 89° from a plane of deposition of the bump layer, and a second surface oriented at a second angle between 1° and 89° from the plane of deposition of the bump layer, wherein the second angle is greater than the first angle.

摘要翻译： 根据一个实施例的系统包括磁极; 所述凸起结构具有从所述极的沉积平面以1°至89°之间的第一角度定向的第一表面，并且所述第一表面以与所述极的沉积的平面成1°至89°之间的第二角度定向 所述极的沉积平面，其中所述第二角度大于所述第一角度; 和凸块结构之上的屏蔽。 根据一个实施例的方法包括在磁极上形成凸起层; 去除所述凸起层的一部分以在其中形成台阶; 并且研磨所述凸起层，以在其上限定从凸起层的沉积平面以1°至89°之间的第一角度定向的第一表面，以及从该平面以1°至89°之间的第二角度定向的第二表面 所述凸起层的沉积，其中所述第二角度大于所述第一角度。

公开(公告)号：US20080112088A1

公开(公告)日：2008-05-15

申请号：US11598417

申请日：2006-11-13

申请人： Wen-Chien David Hsiao ,  Yimin Hsu ,  Edward Hin Pong Lee ,  Vladimir Nikitin ,  Aron Pentek ,  Yi Zheng

发明人： Wen-Chien David Hsiao ,  Yimin Hsu ,  Edward Hin Pong Lee ,  Vladimir Nikitin ,  Aron Pentek ,  Yi Zheng

IPC分类号： G11B5/33

CPC分类号： G11B5/1278 ,  G11B5/11

摘要： A magnetic write head for perpendicular magnetic recording that has write pole, a return pole and a trailing shield that is magnetically connected with magnetic return pole. The write head includes a magnetic pedestal and first and second magnetic studs that connect the trailing shield with the pedestal. The studs are laterally spaced a distance that is not greater than 5 um from the nearest side of the write pole. In other words, the studs are spaced from each other a distance that is no greater than the width of the leading edge of the write pole plus 10 um. This spacing of the studs prevents saturation of the trailing shield, maximizing field gradient and ensuring optimal magnetic write performance.

摘要翻译： 用于垂直磁记录的磁头，具有写磁极，与磁返回极磁性连接的返回极和后屏蔽。 写头包括一个磁性基座和将尾部屏蔽与基座相连的第一和第二磁性螺柱。 螺柱横向间隔开距离写柱最近侧不超过5um的距离。 换句话说，螺柱彼此间隔开不大于写入极的前缘的宽度加上10um的距离。 螺栓的这种间距防止后挡板的饱和，使场梯度最大化并确保最佳磁写性能。

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。

公开(公告)号：US07748103B2

公开(公告)日：2010-07-06

申请号：US11379969

申请日：2006-04-24

申请人： Donald G. Allen ,  Amanda Baer ,  Michael Feldbaum ,  Wen-Chien David Hsiao ,  Vladimir Nikitin ,  Aron Pentek ,  Katalin Pentek

发明人： Donald G. Allen ,  Amanda Baer ,  Michael Feldbaum ,  Wen-Chien David Hsiao ,  Vladimir Nikitin ,  Aron Pentek ,  Katalin Pentek

IPC分类号： G11B5/187 ,  G11B5/23

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： A perpendicular magnetic recording write head has 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 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： 垂直磁记录写头具有写极，梯形后屏蔽切口和写极和凹口之间的金属间隙层。 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。 写头通过在写极上方的薄掩模膜的反应离子束蚀刻来制造，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。

公开(公告)号：US08422168B2

公开(公告)日：2013-04-16

申请号：US12343709

申请日：2008-12-24

申请人： Wen-Chien David Hsiao ,  Aron Pentek ,  Sue Siyang Zhang ,  Yi Zheng

发明人： Wen-Chien David Hsiao ,  Aron Pentek ,  Sue Siyang Zhang ,  Yi Zheng

IPC分类号： G11B5/127

CPC分类号： G11B5/1278 ,  G11B5/112 ,  G11B5/3116 ,  G11B5/3146 ,  G11B5/315 ,  G11B5/3163

摘要： A method for forming a magnetic write head having a trailing shield with a tapered and stepped, self aligned trailing magnetic shield. The shield has a tapered portion that tapers away from the write pole as it extends away from the ABS. This tapered portion helps to channel flux to the pole tip portion of the shield, while preventing the loss of write field to the shield. The stepped portion of the shield further helps to prevent the loss of write field and also defines a secondary throat height of the shield that can be accurately located relative to the air bearing surface.

摘要翻译： 一种用于形成具有带有锥形和阶梯式自对准拖尾磁屏蔽的后挡板的磁写头的方法。 屏蔽件具有锥形部分，当锥形部分远离ABS延伸时，该锥形部分从写入柱逐渐变细。 该锥形部分有助于将通量传导到屏蔽的极端部分，同时防止对屏蔽件的写入场的损失。 护罩的台阶部分还有助于防止写入场的损失，并且还限定可相对于空气轴承表面精确定位的护罩的次级喉部高度。

公开(公告)号：US20100157472A1

公开(公告)日：2010-06-24

申请号：US12343709

申请日：2008-12-24

申请人： Wen-Chien David Hsiao ,  Aron Pentek ,  Sue Siyang Zhang ,  Yi Zheng

发明人： Wen-Chien David Hsiao ,  Aron Pentek ,  Sue Siyang Zhang ,  Yi Zheng

IPC分类号： G11B5/10 ,  B44C1/22

CPC分类号： G11B5/1278 ,  G11B5/112 ,  G11B5/3116 ,  G11B5/3146 ,  G11B5/315 ,  G11B5/3163

摘要： A method for forming a magnetic write head having a trailing shield with a tapered and stepped, self aligned trailing magnetic shield. The shield has a tapered portion that tapers away from the write pole as it extends away from the ABS. This tapered portion helps to channel flux to the pole tip portion of the shield, while preventing the loss of write field to the shield. The stepped portion of the shield further helps to prevent the loss of write field and also defines a secondary throat height of the shield that can be accurately located relative to the air bearing surface.

摘要翻译： 一种用于形成具有带有锥形和阶梯式自对准拖尾磁屏蔽的后挡板的磁写头的方法。 屏蔽件具有锥形部分，当锥形部分远离ABS延伸时，该锥形部分从写入柱逐渐变细。 该锥形部分有助于将通量传导到屏蔽的极端部分，同时防止对屏蔽件的写入场的损失。 护罩的台阶部分还有助于防止写入场的损失，并且还限定可相对于空气轴承表面精确定位的护罩的次级喉部高度。

公开(公告)号：US07536774B2

公开(公告)日：2009-05-26

申请号：US11399821

申请日：2006-04-07

申请人： Daniel Wayne Bedell ,  Wen-Chien David Hsiao ,  Ming Jiang ,  Hieu Lam ,  Kim Y. Lee ,  Jyh-Shuey Lo ,  Aron Pentek

发明人： Daniel Wayne Bedell ,  Wen-Chien David Hsiao ,  Ming Jiang ,  Hieu Lam ,  Kim Y. Lee ,  Jyh-Shuey Lo ,  Aron Pentek

IPC分类号： G11B5/127

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。

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。

公开(公告)号：US07881010B2

公开(公告)日：2011-02-01

申请号：US11956277

申请日：2007-12-13

申请人： Hung-Chin Guthrie ,  Ming Jiang ,  Edward Hin Pong Lee ,  Aron Pentek ,  Sue Siyang Zhang ,  Yi Zheng

发明人： Hung-Chin Guthrie ,  Ming Jiang ,  Edward Hin Pong Lee ,  Aron Pentek ,  Sue Siyang Zhang ,  Yi Zheng

IPC分类号： G11B5/187

CPC分类号： G11B5/3116 ,  G11B5/1278 ,  G11B5/3146 ,  G11B5/315

摘要： A method for manufacturing a magnetic write head having a write pole with a flared step feature that defines a secondary flare point. The method involves depositing a magnetic write pole material on a substrate and then depositing a magnetic material over the write pole material followed by a non-magnetic material. A first mask is formed having a front edge to define the location of the secondary flare point, and one or more material removal processes are used to remove portions of the magnetic layer and non-magnetic layer that are not protected by this first mask. The first mask is replaced by a second mask that is configured to define a write pole, and an ion milling is performed to define the write pole. Shadowing from the magnetic layer and non-magnetic layer form a flared secondary flare point.

摘要翻译： 一种用于制造具有定义二次闪光点的具有扩口步骤特征的写极的磁写头的方法。 该方法包括将磁性写入极材料沉积在衬底上，然后将磁性材料沉积在写入极材料上，随后是非磁性材料。 形成第一掩模，其具有前边缘以限定次级火炬点的位置，并且使用一个或多个材料去除过程来去除未被该第一掩模保护的磁性层和非磁性层的部分。 第一个掩模由配置为定义写入极的第二个掩模代替，并且执行离子铣削来定义写入极点。 从磁性层和非磁性层的阴影形成扩张的次级耀斑点。