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1. 发明授权

US08015692B1 Method for providing a perpendicular magnetic recording (PMR) head 有权
标题翻译：提供垂直磁记录（PMR）头的方法
公开(公告)号：US08015692B1
公开(公告)日：2011-09-13
申请号：US11936167
申请日：2007-11-07
申请人： Lei Larry Zhang , Yong Shen , Honglin Zhu , Yizhong Wang
发明人： Lei Larry Zhang , Yong Shen , Honglin Zhu , Yizhong Wang
IPC分类号： G11B5/127 , H04R31/00
CPC分类号： G11B5/1278 , G11B5/112 , G11B5/3116 , G11B5/315 , G11B5/3163 , Y10T29/49043 , Y10T29/49044 , Y10T29/49046 , Y10T29/49048 , Y10T29/49052
摘要： A method for providing a perpendicular magnetic recording head includes providing a metal underlayer and forming a trench in the metal underlayer. The trench has a bottom and a top wider than the bottom. The method also includes providing a PMR pole. At least a portion of the PMR pole resides in the trench. The method also includes providing a write gap on the PMR pole and providing a top shield on at least the write gap.
摘要翻译：提供垂直磁记录头的方法包括提供金属底层并在金属底层中形成沟槽。沟槽的底部和顶部宽于底部。该方法还包括提供PMR极点。 PMR极的至少一部分位于沟槽中。该方法还包括在PMR极上提供写入间隙，并在至少写入间隙上提供顶部屏蔽。

2. 发明授权

US08077434B1 Perpendicular magnetic recording head having a recessed magnetic base layer 有权
标题翻译：具有凹陷磁性基底层的垂直磁记录头
公开(公告)号：US08077434B1
公开(公告)日：2011-12-13
申请号：US11942113
申请日：2007-11-19
申请人： Yong Shen , Lei Larry Zhang , Yingjian Chen , Ut Tran
发明人： Yong Shen , Lei Larry Zhang , Yingjian Chen , Ut Tran
IPC分类号： G11B5/147
CPC分类号： G11B5/1278 , G11B5/3116
摘要： A method and system for providing a magnetic transducer having an air-bearing surface (ABS) are described. The magnetic transducer includes a base layer, a perpendicular magnetic recording (PMR) pole on the base layer, an additional pole, a write shield, a write gap between the PMR pole and a portion of the write shield, and coil(s) that energize at least the additional pole. The base layer includes a first portion proximate to the ABS and a second portion recessed from the ABS. The first portion is nonmagnetic, while the second portion is magnetic. The PMR pole has a first front portion proximate to the ABS. The additional pole has a second front portion recessed from the ABS. At least a portion of the additional pole resides between the PMR pole and write shield. At least a portion of the write gap resides on the front portion of the PMR pole.
摘要翻译：描述了一种用于提供具有空气轴承表面（ABS）的磁换能器的方法和系统。磁换能器包括基层，基层上的垂直磁记录（PMR）极，附加极，写屏蔽，PMR极与写屏蔽的一部分之间的写间隙，以及线圈，至少激励附加极点。基层包括靠近ABS的第一部分和从ABS凹陷的第二部分。第一部分是非磁性的，而第二部分是磁性的。 PMR杆具有靠近ABS的第一前部。附加的杆具有从ABS凹入的第二前部。附加极点的至少一部分位于PMR极和写保护罩之间。写入间隙的至少一部分位于PMR极的前部。

3. 发明授权

US08310785B1 Perpendicular magnetic recording head 有权
标题翻译：垂直磁记录头
公开(公告)号：US08310785B1
公开(公告)日：2012-11-13
申请号：US13372316
申请日：2012-02-13
申请人： Jinqiu Zhang , Liubo Hong , Yong Shen , Hongping Yuan , Tsung Yuan Chen , Honglin Zhu
发明人： Jinqiu Zhang , Liubo Hong , Yong Shen , Hongping Yuan , Tsung Yuan Chen , Honglin Zhu
IPC分类号： G11B5/127
CPC分类号： G11B5/1278 , G11B5/3116 , G11B5/3163 , Y10T29/49041
摘要： A perpendicular magnetic recording (PMR) head comprises a PMR pole having at least one side, a bottom, and a top wider than the bottom, a first portion of the at least one side being substantially vertical, a second portion of the at least one side being nonvertical, the top portion having a width not greater than one hundred fifty nanometers. The PRM head further comprises a nonmagnetic layer surrounding the bottom and the at least one side of the PMR pole, an intermediate layer substantially surrounding at least the second portion of the at least one side of the PMR pole, and a hard mask layer adjacent to the first portion of the at least one side of the PMR pole.
摘要翻译：垂直磁记录（PMR）头包括具有至少一个侧面，底部和顶部宽于底部的PMR极，所述至少一个侧面的第一部分基本上垂直，所述至少一个的第二部分侧面是非垂直的，顶部具有不大于一百五十纳米的宽度。 PRM头还包括围绕PMR极的底部和至少一个侧面的非磁性层，基本上围绕PMR极的至少一个侧面的至少第二部分的中间层以及邻近PMR极的硬掩模层 PMR极点的至少一侧的第一部分。

4. 发明授权

US08136225B1 Method and system for providing a perpendicular magnetic recording head 有权
标题翻译：用于提供垂直磁记录头的方法和系统
公开(公告)号：US08136225B1
公开(公告)日：2012-03-20
申请号：US12121624
申请日：2008-05-15
申请人： Jinqiu Zhang , Liubo Hong , Yong Shen , Hongping Yuan , Tsung Yuan Chen , Honglin Zhu
发明人： Jinqiu Zhang , Liubo Hong , Yong Shen , Hongping Yuan , Tsung Yuan Chen , Honglin Zhu
IPC分类号： G11B5/127
CPC分类号： G11B5/1278 , G11B5/3116 , G11B5/3163 , Y10T29/49041
摘要： A method and system for providing a PMR pole in a magnetic recording transducer including an intermediate layer are disclosed. The method and system include providing a mask including a line on the intermediate layer. The method further include providing a hard mask layer on the mask and removing the line. Thus, an aperture in the hard mask corresponding to the line is provided. The method and system also include forming a trench in the intermediate layer under the aperture. The trench has a bottom and a top wider than the bottom. The method further includes providing a PMR pole, at least a portion of which resides in the trench.
摘要翻译：公开了一种用于在包括中间层的磁记录换能器中提供PMR极的方法和系统。该方法和系统包括在中间层上提供包括线的掩模。该方法还包括在掩模上提供硬掩模层并去除线。因此，提供了对应于该线的硬掩模中的孔。该方法和系统还包括在孔下方的中间层中形成沟槽。沟槽的底部和顶部宽于底部。该方法还包括提供PMR极，其至少一部分位于沟槽中。

5. 发明授权

US08079135B1 Method for providing a perpendicular magnetic recording (PMR) transducer 有权
标题翻译：提供垂直磁记录（PMR）传感器的方法
公开(公告)号：US08079135B1
公开(公告)日：2011-12-20
申请号：US11955667
申请日：2007-12-13
申请人： Yong Shen , Liubo Hong , Guanghong Luo , Honglin Zhu , Lei Wang , Yingjian Chen
发明人： Yong Shen , Liubo Hong , Guanghong Luo , Honglin Zhu , Lei Wang , Yingjian Chen
IPC分类号： G11B5/127 , H04R31/00
CPC分类号： G11B5/3163 , G11B5/1278 , G11B5/3116 , Y10T29/49039 , Y10T29/49043 , Y10T29/49044 , Y10T29/49046 , Y10T29/49048 , Y10T29/49052
摘要： A method for providing a perpendicular magnetic recording (PMR) transducer is described. The PMR transducer provided includes a PMR pole and yoke structure coupled with the PMR pole. The method includes providing a hard mask and an intermediate layer. A first portion of the hard mask resides on the PMR pole. A second portion of the hard mask resides on another structure. The intermediate layer surrounds at least the PMR pole. The method also includes performing a planarization on at least the intermediate layer, removing the first portion of the hard mask on the PMR pole without completely removing the second portion of the hard mask on the other structure. The method further includes removing a remaining portion of the hard mask on the other structure, providing a write gap on the PMR pole, and providing a shield on the write gap.
摘要翻译：描述了一种用于提供垂直磁记录（PMR）换能器的方法。提供的PMR传感器包括与PMR极耦合的PMR极和轭结构。该方法包括提供硬掩模和中间层。硬掩模的第一部分位于PMR杆上。硬掩模的第二部分位于另一结构上。中间层至少包围PMR极。该方法还包括在至少中间层上执行平面化，在PMR极上去除硬掩模的第一部分，而不必在另一个结构上完全去除硬掩模的第二部分。该方法还包括移除另一结构上的硬掩模的剩余部分，在PMR极上提供写入间隙，并在写入间隙上提供屏蔽。

6. 发明授权

US08793866B1 Method for providing a perpendicular magnetic recording head 有权
标题翻译：提供垂直磁记录头的方法
公开(公告)号：US08793866B1
公开(公告)日：2014-08-05
申请号：US11960596
申请日：2007-12-19
申请人： Jinqiu Zhang , Liubo Hong , Yong Shen , Yizhong Wang , Hai Sun , Li He
发明人： Jinqiu Zhang , Liubo Hong , Yong Shen , Yizhong Wang , Hai Sun , Li He
IPC分类号： G11B5/187 , C23C14/22
CPC分类号： G11B5/3163 , G11B5/1278 , G11B5/3116
摘要： A method provides a PMR transducer. In one aspect, the method includes forming a trench in an intermediate layer using reactive ion etch(es). The trench top is wider than its bottom. In this aspect, the method also includes providing a seed layer using atomic layer deposition and providing a PMR pole on the seed layer. Portion(s) of the seed layer and PMR pole reside in the trench. In another aspect, the method includes providing a mask including a trench having a top wider than its bottom. In this aspect, the method includes providing mask material in the trench, providing an intermediate layer on the mask material and removing the mask material to provide another trench in the intermediate layer. In this aspect, the method also includes providing a PMR pole in the additional trench.
摘要翻译：一种方法提供PMR换能器。一方面，该方法包括使用反应离子蚀刻在中间层中形成沟槽。沟槽顶部比底部宽。在这方面，该方法还包括使用原子层沉积提供种子层并在种子层上提供PMR极点。种子层和PMR极的部分位于沟槽中。在另一方面，该方法包括提供一种掩模，该掩模包括具有比其底部更宽的顶部的沟槽。在这方面，该方法包括在沟槽中提供掩模材料，在掩模材料上提供中间层并去除掩模材料以在中间层中提供另一个沟槽。在这方面，该方法还包括在附加沟槽中提供PMR极点。

7. 发明授权

US08547730B1 Method and system for providing a spin tunneling magnetic element having a crystalline barrier layer 有权
标题翻译：提供具有结晶阻挡层的自旋隧穿磁性元件的方法和系统
公开(公告)号：US08547730B1
公开(公告)日：2013-10-01
申请号：US12712085
申请日：2010-02-24
申请人： Yong Shen , Qunwen Leng
发明人： Yong Shen , Qunwen Leng
IPC分类号： G11C11/00 , H01L29/82
CPC分类号： H01F10/3295 , B82Y10/00 , B82Y25/00 , B82Y40/00 , G01R33/098 , G11B5/3906 , G11B5/3909 , G11C11/161 , H01F10/3254 , H01F10/3268 , H01F41/307 , H01L43/12
摘要： The method and system for providing a spin tunneling element are disclosed. The method and system include depositing a pinned layer, a barrier layer, and a free layer. The barrier layer has a first crystal structure and a texture. The free layer includes a first ferromagnetic layer and a second ferromagnetic layer. The first ferromagnetic is adjacent to the second ferromagnetic layer and between the second ferromagnetic layer and the barrier layer. The first ferromagnetic layer has the first crystal structure and the texture, while the second ferromagnetic layer has a second crystal structure different from the first crystal structure.
摘要翻译：公开了用于提供自旋隧穿元件的方法和系统。该方法和系统包括沉积钉扎层，阻挡层和自由层。阻挡层具有第一晶体结构和纹理。自由层包括第一铁磁层和第二铁磁层。第一铁磁体与第二铁磁层相邻，并且在第二铁磁层与阻挡层之间。第一铁磁层具有第一晶体结构和纹理，而第二铁磁层具有与第一晶体结构不同的第二晶体结构。

8. 发明授权

US07389577B1 Method to fabricate an ESD resistant tunneling magnetoresistive read transducer 有权
标题翻译：制造耐ESD隧道磁阻读取传感器的方法
公开(公告)号：US07389577B1
公开(公告)日：2008-06-24
申请号：US11768883
申请日：2007-06-26
申请人： Changhe Shang , Yun-Fei Li , Yining Hu , Yong Shen
发明人： Changhe Shang , Yun-Fei Li , Yining Hu , Yong Shen
IPC分类号： G11B5/127 , H04R31/00
CPC分类号： G11B5/3909 , B82Y10/00 , B82Y25/00 , G11B5/3906 , Y10T29/49039 , Y10T29/49043 , Y10T29/49044
摘要： A method to fabricate a tunneling magnetoresistive (TMR) read transducer is disclosed. An insulative layer is deposited on a wafer substrate, and a bottom lead is deposited over the insulative layer. A laminated TMR layer, having a plurality of laminates, is deposited over the bottom lead. A TMR sensor having a stripe height is defined in the TMR layer, and a parallel resistor and first and second shunt resistors are also defined in the TMR layer. A top lead is deposited over the TMR sensor. The parallel resistor is electrically connected to the bottom lead and to the top lead. The first shunt resistor is electrically connected to the bottom lead and the wafer substrate, and the second shunt resistor is electrically connected to the top lead and the wafer substrate.
摘要翻译：公开了一种制造隧道磁阻（TMR）读出传感器的方法。绝缘层沉积在晶片衬底上，底部引线沉积在绝缘层上。具有多个层压体的叠层TMR层沉积在底部引线上。具有条纹高度的TMR传感器定义在TMR层中，并且还在TMR层中定义并联电阻器和第一和第二分流电阻器。顶部引线沉积在TMR传感器上。并联电阻器电连接到底部引线和顶部引线。第一分流电阻器电连接到底部引线和晶片衬底，并且第二分流电阻器电连接到顶部引线和晶片衬底。

9. 发明申请

US20050083606A1 Write head design with improved bump to control write saturation 失效
标题翻译：写头设计具有改进的凸块来控制写入饱和度
公开(公告)号：US20050083606A1
公开(公告)日：2005-04-21
申请号：US10687284
申请日：2003-10-15
申请人： Edward Lee , Katalin Pentek , Yong Shen , Sue Zhang
发明人： Edward Lee , Katalin Pentek , Yong Shen , Sue Zhang
IPC分类号： G11B5/127 , G11B5/147 , G11B5/60
CPC分类号： G11B5/60 , G11B5/127 , G11B5/147
摘要： A magnetic head having an air bearing surface (ABS) and a first pole tip. A second pole tip is spaced apart from and facing the upper end of the first pole tip across a write gap. A bump extends into a portion of the upper end of the first pole tip and a portion of the bottom end of the second pole tip, the bump being positioned away from the ABS. The bump defines a throat height of the first and second pole tips.
摘要翻译：具有空气轴承表面（ABS）和第一极端的磁头。第二极尖与间隙隔开并面对第一极尖的上端。凸块延伸到第一极尖端的上端的一部分和第二极尖的底端的一部分，凸块被定位成远离ABS。凸块限定第一和第二极尖的喉部高度。

10. 发明申请

US20050068677A1 Stitched write head with staircase P2 defined throat height 失效
标题翻译：缝编写头与楼梯P2定义喉部高度
公开(公告)号：US20050068677A1
公开(公告)日：2005-03-31
申请号：US10675736
申请日：2003-09-29
申请人： Yong Shen , Sue Zhang
发明人： Yong Shen , Sue Zhang
IPC分类号： G11B5/31 , G11B5/147
CPC分类号： G11B5/3116 , Y10T29/49032
摘要： A method of making a magnetic write head assembly, which has a head surface and a track width, comprises the steps of forming a first pole piece layer of a first pole piece which has a pole tip portion, a back gap portion which is recessed from the head surface and a yoke portion which is located between the pole tip and back gap portions, forming an insulation stack with at least one coil layer embedded therein on the yoke portion of the first pole piece layer, forming a pedestal of the first pole piece on the pole tip portion of the first pole piece layer, forming a write gap layer on the pedestal, forming on a substantially planar surface a first component of a second pole piece on the write gap layer with the width at the head surface which is greater than the track width and with a throat height which extends from the head surface into the head assembly where the first and second pole pieces first commence to separate after the head surface, forming a second component of the second pole piece which has a track width on the first component and, with the second component employed as a mask, ion milling the first component to define the first component with the track width.
摘要翻译：一种具有头表面和轨道宽度的磁写头组件的制造方法包括以下步骤：形成具有极尖部分的第一极片的第一极片层，头表面和磁轭部分，其位于极尖和后间隙部分之间，形成绝缘叠层，其中嵌有至少一个线圈层的第一极片层的磁轭部分，形成第一极片的基座在第一极片层的极尖部分上，在基座上形成写间隙层，在基本上平坦的表面上形成第二极片的第一部件在写间隙层上，其顶表面的宽度较大具有从头部表面延伸到头部组件中的轨道宽度和喉部高度，其中第一和第二极靴首先开始在头部表面之后分离，形成第二部分的第二部分 d极片，其具有在第一部件上的轨道宽度，并且将第二部件用作掩模，离子铣削第一部件以限定具有轨道宽度的第一部件。

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