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1. 发明授权

US08758083B1 Method and system for adjusting lapping of a transducer using a disk windage 有权
标题翻译：使用磁盘风挡调整传感器研磨的方法和系统
公开(公告)号：US08758083B1
公开(公告)日：2014-06-24
申请号：US12880913
申请日：2010-09-13
申请人： Steven C. Rudy , Changqing Shi , Yufeng Hu , Mark D. Moravec , Eric R. McKie , Nurul Amin
发明人： Steven C. Rudy , Changqing Shi , Yufeng Hu , Mark D. Moravec , Eric R. McKie , Nurul Amin
IPC分类号： B24B1/00
CPC分类号： G11B5/4866 , G11B5/314 , G11B5/3163 , G11B5/3166 , G11B5/3169 , G11B5/6005 , G11B21/21 , Y10T29/49021 , Y10T29/49037 , Y10T29/49046 , Y10T29/49048
摘要： A method and system for providing transducer(s) including a disk structure and having an air-bearing surface (ABS) are described. The disk structure resides a distance from the ABS and has a disk dimension substantially perpendicular to the ABS. Lapping control and disk windage ELGs are provided. The lapping control ELG has first and second edges first and second distances from the ABS. The disk windage ELG has edges different distances from the ABS. A difference between these edges corresponds to the disk dimension. A windage resistance of the disk windage ELG is measured and a disk windage determined. The disk windage corresponds to a difference between designed and actual disk dimensions perpendicular to the ABS. A lapping ELG target resistance is determined based on the disk windage. The transducer is lapped. Lapping is terminated based on a resistance of the lapping control ELG and the lapping ELG target resistance.
摘要翻译：描述了一种用于提供包括盘结构并具有空气轴承表面（ABS）的换能器的方法和系统。盘结构离ABS有一段距离，并且具有基本上垂直于ABS的盘尺寸。提供研磨控制和磁盘风挡ELG。研磨控制ELG具有第一和第二边缘与ABS之间的第一和第二距离。磁盘风挡ELG与ABS的距离不同。这些边缘之间的差异对应于磁盘维度。测量磁盘风挡ELG的防风阻力并确定磁盘风速。磁盘风挡对应于垂直于ABS的设计和实际磁盘尺寸之间的差异。基于磁盘风向确定研磨ELG目标电阻。。基于研磨控制ELG的电阻和研磨ELG目标电阻来终止研磨。

2. 发明授权

US08276257B2 Method for making coplanar write head pole tips 失效
标题翻译：制造共面写磁头极尖的方法
公开(公告)号：US08276257B2
公开(公告)日：2012-10-02
申请号：US10903973
申请日：2004-07-30
申请人： Terence Tin-Lok Lam , Vladimir Nikitin , Changqing Shi , Samuel Yuan
发明人： Terence Tin-Lok Lam , Vladimir Nikitin , Changqing Shi , Samuel Yuan
IPC分类号： G11B5/127 , H04R31/00
CPC分类号： G11B5/3967 , G11B5/3116 , G11B5/3163 , G11B5/3169 , G11B5/3173 , G11B5/3183 , G11B5/3903 , Y10T29/49041 , Y10T29/49043 , Y10T29/49044 , Y10T29/49046 , Y10T29/49048 , Y10T29/49052
摘要： A method and apparatus for providing a write head having well-defined, precise write head pole tips. A coplanar write head pole tip processing method provides a thin-film magnetic write head pole tip layer and defines first and second pole tips from the pole tip layer. When the pole tips are provided on a write head, a write gap can be defined using ion milling, E-beam lithography, FAB or can be deposited. The write head pole tips can be used in conjunction with read heads by merging a read head with a write head or a read head can be bonded to a write head in a piggybacked fashion.
摘要翻译：一种用于提供具有明确定义的精确写头磁极尖的写头的方法和装置。共平面写头磁头尖端处理方法提供薄膜磁头磁极尖端层，并从极尖层确定第一和第二极尖。当磁头尖端设置在写入头上时，可以使用离子铣削，电子束光刻，FAB或可以沉积写间隙。写头磁极尖可以通过将读取头与写入头合并而与读取头结合使用，或者读取头可以以背负式的方式结合到写入头。

3. 发明授权

US08257597B1 Double rie damascene process for nose length control 有权
标题翻译：用于鼻长度控制的双重镶嵌工艺
公开(公告)号：US08257597B1
公开(公告)日：2012-09-04
申请号：US12717090
申请日：2010-03-03
申请人： Lijie Guan , Changqing Shi , Ming Jiang , Yun-Fei Li
发明人： Lijie Guan , Changqing Shi , Ming Jiang , Yun-Fei Li
IPC分类号： B44C1/22
CPC分类号： G11B5/3163 , G11B5/3116 , Y10T29/49021 , Y10T29/49048
摘要： Methods of forming a write pole are disclosed. A first photomask having a first opening over one of a yoke region and a pole tip region of the write pole is formed over an insulation layer having an insulator material. A first etch process is performed on the insulation layer via the first opening, the first etch process removing the insulator material from a corresponding one of the yoke region and the pole tip region. A second photomask having a second opening over the other one of the yoke region and the pole tip region is formed over the insulation layer. A second etch process is performed on the insulation layer via the second opening, the second etch process removing the insulator material from a corresponding one of the yoke region and the pole tip region.
摘要翻译：公开了形成写极的方法。在具有绝缘体材料的绝缘层上形成第一光掩模，其具有位于写磁极的磁轭区域和极尖区域之一上的第一开口。通过第一开口在绝缘层上执行第一蚀刻工艺，第一蚀刻工艺从磁轭区域和极尖区域中的对应的一个去除绝缘体材料。在绝缘层上形成第二光掩模，该第二光掩模具有位于轭区域和极尖区域另一个之上的第二开口。经由第二开口在绝缘层上执行第二蚀刻工艺，第二蚀刻工艺从磁轭区域和极尖区域中的对应的一个去除绝缘体材料。

4. 发明授权

US08000059B2 Perpendicular magnetic write head with a thin wrap around magnetic shield 有权
标题翻译：垂直磁写头与磁屏蔽薄环绕
公开(公告)号：US08000059B2
公开(公告)日：2011-08-16
申请号：US11955305
申请日：2007-12-12
申请人： Ming Jiang , Changqing Shi
发明人： Ming Jiang , Changqing Shi
IPC分类号： G11B5/11 , G11B5/23
CPC分类号： G11B5/3116 , G11B5/1278 , G11B5/315
摘要： A magnetic write head for perpendicular magnetic recording having a thin wrap-around magnetic shield. The small thickness and forming method of the thin wrap-around magnetic shield allow it to be electroplated using a thin photoresist frame mask. The thin photoresist frame mask has better critical dimension and straight wall control than a thicker mask, which allows the wrap-around magnetic shield to be constructed with much more straight and uniform back edge for shield throat height control than is possible when forming a thicker (i.e. taller) shield. The thin wrap-around magnetic shield can be stitched to a trailing return pole to avoid magnetic saturation of the wrap-around shield.
摘要翻译：用于垂直磁记录的磁写头，具有薄的环绕磁屏蔽。薄环绕磁屏蔽的小厚度和形成方法允许其使用薄的光致抗蚀剂框架掩模进行电镀。薄的光致抗蚀剂框架掩模具有比较厚的掩模更好的临界尺寸和直壁控制，这使得环绕的磁屏蔽件构造成具有更加直线和均匀的后边缘，用于在形成更厚的（即更高）的盾牌。薄环绕磁屏蔽可以缝合到尾部返回极，以避免环绕屏蔽的磁饱和。

5. 发明授权

US07920358B2 Perpendicular magnetic recording write head with magnetic shields separated by nonmagnetic layers 有权
标题翻译：垂直磁记录磁头，磁屏蔽由非磁性层分隔
公开(公告)号：US07920358B2
公开(公告)日：2011-04-05
申请号：US11952019
申请日：2007-12-06
申请人： Ming Jiang , Changqing Shi
发明人： Ming Jiang , Changqing Shi
IPC分类号： G11B5/147
CPC分类号： G11B5/1278 , G11B5/3116 , G11B5/315
摘要： A perpendicular magnetic recording write head that may be used in magnetic recording disk drives has a magnetic write pole (WP) with an end that is generally the same width as the width of the data tracks on the disk. A trailing shield (TS) is spaced from the WP in the along-the-track direction, a pair of side shields are located on opposite sides of the WP in the cross-track direction, and an optional leading shield (LS) is located on the opposite side of the WP from the TS in the along-the-track direction. The TS, side shields and LS are formed of magnetically permeable soft ferromagnetic material and are separated from each other by nonmagnetic separation layers. The TS, side shields and LS each has a throat height (TH) thickness in its region facing the WP. The throat heights for the shields may be different.
摘要翻译：可用于磁记录盘驱动器的垂直磁记录写头具有磁写磁极（WP），其端部的宽度通常与磁盘上数据磁道的宽度相同。后沿屏蔽（TS）沿着沿轨道方向与WP间隔开，一对侧屏蔽沿着横向方向位于WP的相对侧上，并且可选择的前屏蔽（LS）位于在WP的相对侧沿着TS沿着轨道方向。 TS，侧屏蔽和LS由导磁软铁磁材料形成，并通过非磁性分离层彼此分离。 TS，侧护罩和LS在其面向WP的区域中具有喉部高度（TH）厚度。盾牌的喉咙高度可能不同。

6. 发明申请

US20080278855A1 PERPENDICULAR MAGNETIC RECORDING WRITE HEAD WITH TRAILING SHIELD HAVING NOTCH AND THROAT HEIGHT DEFINED BY NONMAGNETIC PAD LAYER 有权
标题翻译：具有非线性垫层定义的具有凹陷和高度的跟踪屏蔽的磁性记录磁头
公开(公告)号：US20080278855A1
公开(公告)日：2008-11-13
申请号：US11747656
申请日：2007-05-11
申请人： Hung-Chin Guthrie , Ming Jiang , Changqing Shi
发明人： Hung-Chin Guthrie , Ming Jiang , Changqing Shi
IPC分类号： G11B5/127 , G11B5/11
CPC分类号： G11B5/3116 , G11B5/1278 , G11B5/315
摘要： A perpendicular magnetic recording write head supported on an air-bearing slider has a magnetic write pole (WP) with a WP end at the air-bearing surface (ABS) having a width generally equal to the data track width and a trailing shield (TS) with a TS end generally coplanar with the WP end. The TS has a first portion with a width at the TS end substantially wider than the width of the WP end and a TS notch (TSN) portion with a width at the TS end generally equal to the width of the WP end. The TS first portion has a height in a direction perpendicular to the ABS, and the TSN portion has a throat height (TH) in a direction perpendicular to the ABS that is less than the height of the TS first portion. A nonmagnetic gap layer separates the WP from the TSN portion and a nonmagnetic pad layer separates the WP from the TS first portion. The pad layer has a front edge generally parallel to and recessed from the ABS that defines the TH of the TSN portion, and a thickness that defines the length of the TSN portion in the along-the-track direction.
摘要翻译：支撑在空气轴承滑块上的垂直磁记录写头具有在空气轴承表面（ABS）上具有WP端的磁性写入极（WP），其宽度大体上等于数据磁道宽度和后屏蔽（TS ），其TS端通常与WP端共面。 TS具有第一部分，其宽度在TS端大大宽于WP端的宽度，TS陷口（TSN）部分的宽度在TS端大致等于WP端的宽度。 TS第一部分具有垂直于ABS的方向的高度，并且TSN部分在垂直于ABS的方向上具有小于TS第一部分的高度的喉部高度（TH）。非磁隙层将WP与TSN部分分开，非磁性垫层将WP与TS第一部分分离。衬垫层具有大致平行于ABS并且从ABS凹入的前边缘，其限定TSN部分的TH，以及限定沿着轨道方向的TSN部分的长度的厚度。

7. 发明申请

US20080112078A1 Write head with self-cross biased pole for high speed magnetic recording 有权
标题翻译：用自交偏置极头写入磁头用于高速磁记录
公开(公告)号：US20080112078A1
公开(公告)日：2008-05-15
申请号：US11598418
申请日：2006-11-13
申请人： Wen-Chien David Hsiao , Terence Tin-Lok Lam , Changqing Shi
发明人： Wen-Chien David Hsiao , Terence Tin-Lok Lam , Changqing Shi
IPC分类号： G11B5/17
CPC分类号： G11B5/1278 , G11B5/187 , G11B2005/0013 , G11B2005/0032
摘要： A magnetic write head having a magnetic cross yoke arranged to provide a cross magnetic field in a pole tip region of the magnetic head. The cross field, which is perpendicular to the magnetization of write pole, reduces the switching time of the write field, thereby increasing the speed with which the write head can record data. The write head can be a longitudinal write head or a perpendicular write head. In the case of a perpendicular write, the write head can include a write pole arranged to provide a magnetic write field that emits a magnetic field substantially perpendicular with an Air Bearing Surface (ABS). A magnetic cross yoke is formed having ends that are disposed at opposite sides of the pole tip region of the write pole. A magnetic cross field that extends across the pole tip region of the write pole slightly alters the direction of the magnetization of the write pole. If the head is a longitudinal head, it can include first and second magnetic poles separated in the pole tip region by a write gap. The cross yoke can be arranged to produce a cross field that extends across the pole tip region defined by the first and second magnetic poles.
摘要翻译：一种磁性写头，具有设置成在磁头的磁极尖端区域中提供交叉磁场的磁性十字架。与写入磁极的磁化方向垂直的交叉场减少写入场的切换时间，从而提高写入头可以记录数据的速度。写头可以是纵向写头或垂直写头。在垂直写入的情况下，写入头可以包括写极，该写极被布置成提供发射与空气轴承表面（ABS）基本垂直的磁场的磁写入场。形成磁性交叉轭，其端部设置在写入极的极尖区域的相对侧。延伸穿过写入极的极尖区域的磁交叉场稍微改变写入极的磁化方向。如果头部是纵向头部，则可以包括通过写入间隙在磁极尖端区域中分离的第一和第二磁极。交叉轭可以被布置成产生跨越由第一和第二磁极限定的极尖区域延伸的交叉场。

8. 发明申请

US20060023353A1 Method and apparatus for providing a write head having well-defined, precise write head pole tips 失效
标题翻译：用于提供具有明确定义的精确写头磁极尖的写头的方法和装置
公开(公告)号：US20060023353A1
公开(公告)日：2006-02-02
申请号：US10903973
申请日：2004-07-30
申请人： Terence Lam , Vladimir Nikitin , Changqing Shi , Samuel Yuan
发明人： Terence Lam , Vladimir Nikitin , Changqing Shi , Samuel Yuan
IPC分类号： G11B5/23 , G11B5/147 , G11B5/127 , H04R31/00 , C23F1/00 , B44C1/22 , C03C15/00 , C03C25/68
CPC分类号： G11B5/3967 , G11B5/3116 , G11B5/3163 , G11B5/3169 , G11B5/3173 , G11B5/3183 , G11B5/3903 , Y10T29/49041 , Y10T29/49043 , Y10T29/49044 , Y10T29/49046 , Y10T29/49048 , Y10T29/49052
摘要： A method and apparatus for providing a write head having well-defined, precise write head pole tips. A coplanar write head pole tip processing method provides a thin-film magnetic write head pole tip layer and defines first and second pole tips from the pole tip layer. When the pole tips are provided on a write head, a write gap can be defined using ion milling, E-beam lithography, FAB or can be deposited. The write head pole tips can be used in conjunction with read heads by merging a read head with a write head or a read head can be bonded to a write head in a piggybacked fashion.
摘要翻译：一种用于提供具有明确定义的精确写头磁极尖的写头的方法和装置。共平面写头磁头尖端处理方法提供薄膜磁头磁极尖端层，并从极尖层确定第一和第二极尖。当磁头尖端设置在写入头上时，可以使用离子铣削，电子束光刻，FAB或可以沉积写间隙。写头磁极尖可以通过将读取头与写入头合并而与读取头结合使用，或者读取头可以以背负式的方式结合到写入头。

9. 发明授权

US08409453B1 Method and system for providing a wrap-around shield using a patterned seed layer 失效
标题翻译：用于使用图案种子层提供环绕屏蔽的方法和系统
公开(公告)号：US08409453B1
公开(公告)日：2013-04-02
申请号：US12778480
申请日：2010-05-12
申请人： Ming Jiang , Changqing Shi
发明人： Ming Jiang , Changqing Shi
IPC分类号： B44C1/22
CPC分类号： G11B5/3116 , G11B5/315 , G11B5/3163
摘要： A method and system for fabricating magnetic recording transducer are described. The magnetic recording transducer has a main pole, a nonmagnetic gap covering the main pole, and a field region distal from the main pole. A portion of the nonmagnetic gap resides on the top of the main pole. The method and system include providing a patterned seed layer. A thick portion of the patterned seed layer is thicker than a thin portion of the patterned seed layer. At least part of the thick portion of the patterned seed layer resides on a portion of the field region. A wrap-around shield is on the patterned seed layer. At least part of the thin portion of the patterned seed layer is in proximity to and exposed by the wrap-around shield. The method and system also include field etching the field region distal from the wrap-around shield.
摘要翻译：描述了用于制造磁记录换能器的方法和系统。磁记录传感器具有主极，覆盖主极的非磁性间隙和远离主极的场区域。非磁性间隙的一部分位于主极的顶部。该方法和系统包括提供图案化种子层。图案化种子层的厚部分比图案化种子层的薄部分厚。图案化种子层的厚部分的至少部分位于场区域的一部分上。环绕的屏蔽层在图案化的种子层上。图案化种子层的薄部分的至少一部分靠近环绕屏蔽并暴露于其中。该方法和系统还包括对远离环绕屏蔽的场区域进行场蚀刻。

10. 发明授权

US08331058B2 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：US08331058B2
公开(公告)日：2012-12-11
申请号：US10857363
申请日：2004-05-28
申请人： Savas Gider , Wen-Chien David Hsiao , Quan-chiu Harry Lam , Terence Tin-Lok Lam , Edward Hin Pong Lee , Yansheng Luo , Vladimir Nikitin , Changqing Shi , Xiaoyu Sui
发明人： Savas Gider , Wen-Chien David Hsiao , Quan-chiu Harry Lam , Terence Tin-Lok Lam , Edward Hin Pong Lee , Yansheng Luo , Vladimir Nikitin , Changqing Shi , Xiaoyu Sui
IPC分类号： G11B5/127
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。

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