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11. 发明申请

US20100157471A1 WRITE HEAD WITH DIFFERENT UPPER AND LOWER YOKE LENGTHS AND METHODS FOR MAKING THE SAME 有权
标题翻译：具有不同上限和下限长度的写头及其制造方法
公开(公告)号：US20100157471A1
公开(公告)日：2010-06-24
申请号：US12341908
申请日：2008-12-22
申请人： Donald G. Allen , Wen-Chien David Hsiao , Edward Hin Pong Lee , Jennifer Leung , Vladimir Nikitin
发明人： Donald G. Allen , Wen-Chien David Hsiao , Edward Hin Pong Lee , Jennifer Leung , Vladimir Nikitin
IPC分类号： G11B5/17
CPC分类号： G11B5/1278 , G11B5/17 , G11B5/3116 , G11B5/3123
摘要： According to one embodiment, a system comprises an upper yoke having a first length defined between a pole tip thereof and a back gap thereof. In addition, the system includes a lower yoke having a second length defined between a pole tip thereof and a back gap thereof, the second length being greater than the first length. Also, the system includes coil turns in the upper and lower yokes. Additional systems and methods are also presented.
摘要翻译：根据一个实施例，一种系统包括上轭，其具有限定在其极端之间的第一长度和其后间隙。此外，该系统包括具有限定在其极端和其后间隙之间的第二长度的下轭，第二长度大于第一长度。而且，该系统包括上轭和下轭的线圈匝。还介绍了其他系统和方法。

12. 发明授权

US07633711B2 Magnetic write head with helical coil structure using multiple materials 有权
标题翻译：磁性写头用螺旋线圈结构使用多种材料
公开(公告)号：US07633711B2
公开(公告)日：2009-12-15
申请号：US11672483
申请日：2007-02-07
申请人： Wen-Chien David Hsiao , Edward Hin Pong Lee , Jennifer Ai-Ming Loo
发明人： Wen-Chien David Hsiao , Edward Hin Pong Lee , Jennifer Ai-Ming Loo
IPC分类号： G11B5/127
CPC分类号： G11B5/1278 , G11B5/3123 , G11B5/315
摘要： A magnetic write head for perpendicular magnetic recording that has a helical coil design that reduces manufacturing complexity and increases cycle time for manufacture. The write head includes a write pole and a helical write coil having upper coil portions that pass above the write pole and lower coil portions that pass below the write pole. The upper and lower coil portions are connected with another by connection studs. Whereas the upper and lower coil portions are constructed of a non-magnetic, electrically conductive material such as Cu, the connection studs are constructed of a magnetic, electrically conductive material such as NiFe. By constructing the connection studs of a magnetic material, they can be constructed in the same manufacturing steps used to manufacture various magnetic structures of the write head, such as a magnetic shaping layer and/or the back gap. This greatly simplifies the manufacture of the write head by eliminating many additional manufacturing steps that would otherwise be required to manufacture a helical coil having non-magnetic connection studs.
摘要翻译：一种用于垂直磁记录的磁头，具有螺旋线圈设计，可降低制造复杂性并增加制造周期。写入头包括写入极和螺旋写入线圈，其具有通过写入磁极之下的上部线圈部分和通过写入极下方的下部线圈部分。上下线圈部分通过连接柱连接。尽管上部和下部线圈部分由诸如Cu的非磁性导电材料构成，但是连接柱由诸如NiFe的磁性导电材料构成。通过构造磁性材料的连接柱，它们可以以用于制造写入头的各种磁性结构的相同的制造步骤，例如磁性成形层和/或后部间隙来构造。这通过消除制造具有非磁性连接柱螺旋线圈的另外制造步骤而大大简化了写入头的制造。

13. 发明申请

US20080273268A1 PERPENDICULAR MAGNETIC RECORDING WRITE HEAD WITH COPLANAR MAIN POLE AND RETURN POLES AND MAGNETIC RECORDING SYSTEM 有权
标题翻译：具有共同主要磁极和返回波形和磁记录系统的全磁记录磁头
公开(公告)号：US20080273268A1
公开(公告)日：2008-11-06
申请号：US11743150
申请日：2007-05-02
申请人： Wen-Chien David Hsiao , Yimin Hsu , Edward Hin Pong Lee , Vladimir Nikitin
发明人： Wen-Chien David Hsiao , Yimin Hsu , Edward Hin Pong Lee , Vladimir Nikitin
IPC分类号： G11B5/147 , G11B5/60 , G11B5/10
CPC分类号： G11B5/3116 , G11B5/11 , G11B5/1278 , G11B5/3123 , G11B5/3146 , G11B5/315
摘要： A perpendicular magnetic recording write head has a main pole and return poles that are substantially coplanar. The write head includes a main pole, two return poles and a connecting stud that are all formed as a single layer in a single deposition and patterning step. The coplanar main and return poles lie in a plane parallel to the cross-track direction. The two return poles are thus spaced from the main pole in the cross-track direction. The main pole includes a write pole connected to it but lying in a plane spaced in the along-the-track direction from the plane of the main pole. The write head includes a helical coil wrapped around the main pole. The magnetic flux path is from the write pole to the disk recording layer in a data track aligned with the write pole, to the disk underlayer beneath the recording layer, through the underlayer to data tracks spaced cross-track from the data track aligned with the write pole, and back through the return poles.
摘要翻译：垂直磁记录写头具有基本上共面的主极和返回极。写头包括在单个沉积和图案化步骤中都形成为单层的主极，两个返回极和连接柱。共平面的主极和返回极位于平行于交叉轨道方向的平面中。因此，两个返回极在交叉轨道方向上与主极间隔开。主极包括连接到其上的写入极，但是位于沿主轨方向与主极平面间隔开的平面中。写头包括缠绕在主极上的螺旋线圈。磁通路径是从记录磁极对准的数据磁道中的写入磁极到磁盘记录层，到记录层下方的磁盘底层，通过底层到从与数据磁道对准的数据磁道间隔开的数据磁道写柱，并通过返回杆返回。

14. 发明申请

US20080232000A1 MAGNETIC WRITE HEAD WITH UPPER RETURN POLE OPTIMIZATION FOR REDUCED TRAILING SHIELD PROTRUSION 有权
标题翻译：具有上回归点的磁头写入头用于减少跟踪屏幕的推进
公开(公告)号：US20080232000A1
公开(公告)日：2008-09-25
申请号：US11675516
申请日：2007-02-15
申请人： Eric Wayne Flint , Wen-Chien David Hsiao , Edward Hin Pong Lee , Michael Ming Hsiang Yang
发明人： Eric Wayne Flint , Wen-Chien David Hsiao , Edward Hin Pong Lee , Michael Ming Hsiang Yang
IPC分类号： G11B5/33 , G11B5/127
CPC分类号： G11B5/3146 , G11B5/112 , G11B5/1278 , G11B5/3116
摘要： A magnetic write head for perpendicular magnetic recording that is resistant to write pole and trailing shield protrusion. The write pole includes a magnetic return pole that is magnetically connected with the trailing shield, the return pole being resistant to deformation or recession such as from mechanically abrasive slider cleaning operations such as soda blast.
摘要翻译：用于垂直磁记录的磁写头，耐写写极和后屏蔽突起。写入极包括与后挡板磁连接的磁返回极，返回极抵抗变形或衰退，例如机械研磨的滑块清洁操作，例如苏打爆炸。

15. 发明申请

US20080186628A1 MAGNETIC WRITE HEAD WITH HELICAL COIL STRUCTURE USING MULTIPLE MATERIALS 有权
标题翻译：具有螺旋线圈结构的磁性写头使用多种材料
公开(公告)号：US20080186628A1
公开(公告)日：2008-08-07
申请号：US11672483
申请日：2007-02-07
申请人： Wen-Chien David Hsiao , Edward Hin Pong Lee , Jennifer Ai-Ming Loo
发明人： Wen-Chien David Hsiao , Edward Hin Pong Lee , Jennifer Ai-Ming Loo
IPC分类号： G11B5/60
CPC分类号： G11B5/1278 , G11B5/3123 , G11B5/315
摘要： A magnetic write head for perpendicular magnetic recording that has a helical coil design that reduces manufacturing complexity and increases cycle time for manufacture. The write head includes a write pole and a helical write coil having upper coil portions that pass above the write pole and lower coil portions that pass below the write pole. The upper and lower coil portions are connected with another by connection studs. Whereas the upper and lower coil portions are constructed of a non-magnetic, electrically conductive material such as Cu, the connection studs are constructed of a magnetic, electrically conductive material such as NiFe. By constructing the connection studs of a magnetic material, they can be constructed in the same manufacturing steps used to manufacture various magnetic structures of the write head, such as a magnetic shaping layer and/or the back gap. This greatly simplifies the manufacture of the write head by eliminating many additional manufacturing steps that would otherwise be required to manufacture a helical coil having non-magnetic connection studs.
摘要翻译：一种用于垂直磁记录的磁头，具有螺旋线圈设计，可降低制造复杂性并增加制造周期。写入头包括写入极和螺旋写入线圈，其具有通过写入磁极之下的上部线圈部分和通过写入极下方的下部线圈部分。上下线圈部分通过连接柱连接。尽管上部和下部线圈部分由诸如Cu的非磁性导电材料构成，但是连接柱由诸如NiFe的磁性导电材料构成。通过构造磁性材料的连接柱，它们可以以用于制造写入头的各种磁性结构的相同的制造步骤，例如磁性成形层和/或后部间隙来构造。这通过消除制造具有非磁性连接柱螺旋线圈的另外制造步骤而大大简化了写入头的制造。

16. 发明授权

US07190552B2 Magnetic head having a damascene-fabricated write coil structure with coil layers extending between the poles for reduced electrical resistance 有权
标题翻译：磁头具有镶嵌制作的写入线圈结构，线圈层在极之间延伸以减小电阻
公开(公告)号：US07190552B2
公开(公告)日：2007-03-13
申请号：US11375160
申请日：2006-03-14
申请人： Wen-chien David Hsiao , Edward Hin Pong Lee , Vladimir Nikitin , Samuel Weisan Yuan
发明人： Wen-chien David Hsiao , Edward Hin Pong Lee , Vladimir Nikitin , Samuel Weisan Yuan
IPC分类号： G11B5/17
CPC分类号： G11B5/3136 , G11B5/012 , G11B5/17 , G11B5/3116 , G11B5/313 , G11B5/40
摘要： Magnetic heads having write coil structures with reduced electrical resistances for reducing thermal protrusion are disclosed. In one illustrative example, a magnetic head includes a magnetic yoke; a write gap layer formed between upper and lower poles of the magnetic yoke; and a write coil having a plurality of coil layers. Each coil layer of the write coil extends continuously between the upper and the lower poles through a plane defined by the write gap layer. Preferably, the write coil is formed using a damascene process, such that each coil layer is wider than each coil separating layer. Such a structure provides for a relatively large amount of coil materials to be used, which reduces the coil's electrical resistance. This, in turn, reduces the heat generated by the write coils during operation. Further, either one or both of the lower and upper poles may include a horizontally laminated structure of alternating magnetic and non-magnetic dielectric layers to further reduce heating caused by eddy current losses. Since thermal protrusion is reduced, the fly height of magnetic head may be made relatively small with a reduced risk of head-to-disk crashes and disk scratches.
摘要翻译：公开了具有降低的电阻以减少热突起的具有写入线圈结构的磁头。在一个说明性示例中，磁头包括磁轭; 形成在磁轭的上下极之间的写间隙层; 以及具有多个线圈层的写入线圈。写入线圈的每个线圈层通过由写入间隙层限定的平面在上极和下极之间连续延伸。优选地，写入线圈使用镶嵌工艺形成，使得每个线圈层比每个线圈分离层宽。这种结构提供了相对大量的待使用的线圈材料，这降低了线圈的电阻。这又减少了在操作期间由写入线圈产生的热量。此外，下极和上极中的一个或两个可以包括交替的磁和非磁性介电层的水平层叠结构，以进一步减少由涡流损耗引起的加热。由于热突起减少，所以磁头的飞行高度可以相对较小，同时降低了磁头与磁盘的碰撞和磁盘划痕的风险。

17. 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。

18. 发明申请

US20120107645A1 METHOD FOR MANUFACTURING A SHORT FLARE DEFINITION BY ADDITIVE PROCESS FOR PERPENDICULAR HEAD 有权
标题翻译：通过添加剂进行短期定义的方法
公开(公告)号：US20120107645A1
公开(公告)日：2012-05-03
申请号：US13339310
申请日：2011-12-28
申请人： Yi Zheng , Yimin Hsu , Wen-Chien David Hsiao , Ming Jiang , Aron Pentek , Sue Siyang Zhang , Edward Hin Pong Lee , Hung-Chin Guthrie , Ning Shi , Vladimir Nikitin , Prabodh Ratnaparkhi , Yinshi Liu
发明人： Yi Zheng , Yimin Hsu , Wen-Chien David Hsiao , Ming Jiang , Aron Pentek , Sue Siyang Zhang , Edward Hin Pong Lee , Hung-Chin Guthrie , Ning Shi , Vladimir Nikitin , Prabodh Ratnaparkhi , Yinshi Liu
IPC分类号： G11B5/33 , G11B5/127
CPC分类号： G11B5/3166 , G11B5/112 , G11B5/1278 , G11B5/3116 , G11B5/3146 , Y10T29/49043 , Y10T29/49044 , Y10T29/49046 , Y10T29/49048 , Y10T29/49052 , Y10T428/11 , Y10T428/1186
摘要： A method for manufacturing a magnetic write head for perpendicular magnetic recording. The method includes forming a write pole, and then depositing a refill layer. A mask structure can be formed over the writ pole and refill layer, the mask structure being configured to define a stitched pole. An ion milling or reactive ion milling can then be performed to remove portions of the refill layer that are not protected by the mask structure. Then a magnetic material can be deposited to form a stitched write pole that defines a secondary flare point. The stitched pole can also be self aligned with an electrical lapping guide in order to accurately locate the front edge of the secondary flare point relative to the air bearing surface of the write head.
摘要翻译：一种用于制造用于垂直磁记录的磁写头的方法。该方法包括形成写极，然后沉积补充层。掩模结构可以形成在写极和再填充层上，掩模结构被配置为限定缝合极。然后可以执行离子铣或反应离子研磨以去除未被掩模结构保护的部分填充层。然后可以沉积磁性材料以形成限定二次闪光点的缝合写入极。缝合的杆也可以与电动研磨引导件自对准，以便相对于写入头的空气轴承表面精确地定位二次扩张点的前边缘。

19. 发明授权

US07768744B2 Perpendicular magnetic recording write head with coplanar main pole and return poles and magnetic recording system 有权
标题翻译：垂直磁记录头与共平面的主极和返回极和磁记录系统
公开(公告)号：US07768744B2
公开(公告)日：2010-08-03
申请号：US11743150
申请日：2007-05-02
申请人： Wen-Chien David Hsiao , Yimin Hsu , Edward Hin Pong Lee , Vladimir Nikitin
发明人： Wen-Chien David Hsiao , Yimin Hsu , Edward Hin Pong Lee , Vladimir Nikitin
IPC分类号： G11B5/147 , G11B5/17
CPC分类号： G11B5/3116 , G11B5/11 , G11B5/1278 , G11B5/3123 , G11B5/3146 , G11B5/315
摘要： A perpendicular magnetic recording write head has a main pole and return poles that are substantially coplanar. The write head includes a main pole, two return poles and a connecting stud that are all formed as a single layer in a single deposition and patterning step. The coplanar main and return poles lie in a plane parallel to the cross-track direction. The two return poles are thus spaced from the main pole in the cross-track direction. The main pole includes a write pole connected to it but lying in a plane spaced in the along-the-track direction from the plane of the main pole. The write head includes a helical coil wrapped around the main pole. The magnetic flux path is from the write pole to the disk recording layer in a data track aligned with the write pole, to the disk underlayer beneath the recording layer, through the underlayer to data tracks spaced cross-track from the data track aligned with the write pole, and back through the return poles.
摘要翻译：垂直磁记录写头具有基本上共面的主极和返回极。写头包括在单个沉积和图案化步骤中都形成为单层的主极，两个返回极和连接柱。共平面的主极和返回极位于平行于交叉轨道方向的平面中。因此，两个返回极在交叉轨道方向上与主极间隔开。主极包括连接到其上的写入极，但是位于沿主轨方向与主极平面间隔开的平面中。写头包括缠绕在主极上的螺旋线圈。磁通路径是从记录磁极对准的数据磁道中的写入磁极到磁盘记录层，到记录层下方的磁盘底层，通过底层到从与数据磁道对准的数据磁道间隔开的数据磁道写柱，并通过返回杆返回。

20. 发明申请

US20090117407A1 SHORT FLARE DEFINITION BY ADDITIVE PROCESS FOR PERPENDICULAR HEAD 有权
标题翻译：通过添加剂进行快速定义
公开(公告)号：US20090117407A1
公开(公告)日：2009-05-07
申请号：US11934687
申请日：2007-11-02
申请人： Yi Zheng , Yimin Hsu , Wen-Chien David Hsiao , Ming Jiang , Aron Pentek , Sue Siyang Zhang , Edward Hin Pong Lee , Hung-Chin Guthrie , Ning Shi , Vladimir Nikitin , Prabodh Ratnaparkhi , Yinshi Liu
发明人： Yi Zheng , Yimin Hsu , Wen-Chien David Hsiao , Ming Jiang , Aron Pentek , Sue Siyang Zhang , Edward Hin Pong Lee , Hung-Chin Guthrie , Ning Shi , Vladimir Nikitin , Prabodh Ratnaparkhi , Yinshi Liu
IPC分类号： B05D5/12 , G11B5/33
CPC分类号： G11B5/3166 , G11B5/112 , G11B5/1278 , G11B5/3116 , G11B5/3146 , Y10T29/49043 , Y10T29/49044 , Y10T29/49046 , Y10T29/49048 , Y10T29/49052 , Y10T428/11 , Y10T428/1186
摘要： A method for manufacturing a magnetic write head for perpendicular magnetic recording. The method includes forming a write pole, and then depositing a refill layer. A mask structure can be formed over the writ pole and refill layer, the mask structure being configured to define a stitched pole. An ion milling or reactive ion milling can then be performed to remove portions of the refill layer that are not protected by the mask structure. Then a magnetic material can be deposited to form a stitched write pole that defines a secondary flare point. The stitched pole can also be self aligned with an electrical lapping guide in order to accurately locate the front edge of the secondary flare point relative to the air bearing surface of the write head.
摘要翻译：一种用于制造用于垂直磁记录的磁写头的方法。该方法包括形成写极，然后沉积补充层。掩模结构可以形成在写极和再填充层上，掩模结构被配置为限定缝合极。然后可以执行离子铣或反应离子研磨以去除未被掩模结构保护的部分填充层。然后可以沉积磁性材料以形成限定二次闪光点的缝合写入极。缝合的杆也可以与电动研磨引导件自对准，以便相对于写入头的空气轴承表面精确地定位二次扩张点的前边缘。

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