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11. 发明授权

US08228633B1 Method and system for providing a magnetic recording transducer having a hybrid moment pole 有权
标题翻译：用于提供具有混合力矩极的磁记录换能器的方法和系统
公开(公告)号：US08228633B1
公开(公告)日：2012-07-24
申请号：US12196131
申请日：2008-08-21
申请人： Ut Tran , Zhigang Bai
发明人： Ut Tran , Zhigang Bai
IPC分类号： G11B5/23
CPC分类号： G11B5/3116 , G11B5/1278 , G11B5/3163
摘要： A method and system provide a magnetic transducer that includes an air-bearing surface (ABS). The magnetic transducer includes an underlayer and a main pole residing on the underlayer. The main pole includes a front and a rear. The front resides at the ABS, while the rear is distal from the ABS. The main pole also includes a first portion having a first magnetic moment and a second portion having a second magnetic moment. The first portion has a front face at the ABS and terminates between the ABS and the rear of the main pole. A part of the second portion resides on the first portion, while another part of the second portion resides between the first portion of the main pole and the rear of the main pole. The first magnetic moment is less than the second magnetic moment.
摘要翻译：一种方法和系统提供包括空气轴承表面（ABS）的磁换能器。磁换能器包括底层和位于底层上的主极。主杆包括前部和后部。前部位于ABS，而后部位于ABS的远端。主极还包括具有第一磁矩的第一部分和具有第二磁矩的第二部分。第一部分在ABS处具有前表面并且终止于ABS和主极的后部之间。第二部分的一部分位于第一部分上，而第二部分的另一部分位于主极的第一部分和主极的后部之间。第一个磁矩小于第二个磁矩。

12. 发明授权

US08576517B1 Magnetic recording transducer having side shields between the coils and the air-bearing surface 有权
标题翻译：磁记录传感器在线圈和空气轴承表面之间具有侧屏蔽
公开(公告)号：US08576517B1
公开(公告)日：2013-11-05
申请号：US13597091
申请日：2012-08-28
申请人： Ut Tran , Zhigang Bai
发明人： Ut Tran , Zhigang Bai
IPC分类号： G11B5/127
CPC分类号： G11B5/3163 , G11B5/1278 , G11B5/3116 , G11B5/315
摘要： A magnetic recording transducer is provided. The magnetic recording transducer comprises a main pole including a nose portion, the nose portion terminating at an air-bearing surface (ABS). The magnetic recording transducer further comprises at least one coil having a coil front distal from the ABS, and at least one side shield. The at least one side shield extends from at the ABS to not further than the coil front.
摘要翻译：提供磁记录传感器。磁记录传感器包括一个主极，它包括一个鼻部，鼻部终止于空气轴承表面（ABS）。磁记录传感器还包括至少一个具有远离ABS的线圈前端的线圈和至少一个侧屏蔽。所述至少一个侧护罩从ABS处延伸到不超过线圈前端。

13. 发明授权

US08339738B1 Method for providing a magnetic recording transducer having a hybrid moment pole 有权
标题翻译：提供具有混合力矩极的磁记录换能器的方法
公开(公告)号：US08339738B1
公开(公告)日：2012-12-25
申请号：US13528007
申请日：2012-06-20
申请人： Ut Tran , Zhigang Bai
发明人： Ut Tran , Zhigang Bai
IPC分类号： G11B5/127
CPC分类号： G11B5/3116 , G11B5/1278 , G11B5/3163
摘要： A method for fabricating a magnetic transducer having an air-bearing surface (ABS) is provided. The method comprises providing an underlayer, and providing a main pole residing on the underlayer and having a front and a rear. The step of providing a main pole further includes providing a first portion having a first magnetic moment, the first portion having a front face at the ABS and terminating between the ABS and the rear of the main pole, and providing a second portion having a second magnetic moment. A part of the second portion resides on the first portion, and another part of the second portion resides between the first portion of the main pole and the rear of the main pole. The first magnetic moment is less than the second magnetic moment.
摘要翻译：提供一种制造具有空气轴承表面（ABS）的磁换能器的方法。该方法包括提供底层，并提供驻留在底层上并具有前后的主极。提供主极的步骤还包括提供具有第一磁矩的第一部分，第一部分在ABS处具有前表面并终止于ABS和主极的后部之间，并且提供具有第二磁体的第二部分磁力矩第二部分的一部分位于第一部分上，第二部分的另一部分位于主极的第一部分和主极的后部之间。第一个磁矩小于第二个磁矩。

14. 发明授权

US08797686B1 Magnetic recording transducer with short effective throat height and method of fabrication 有权
标题翻译：磁记录传感器具有短的喉部高度和制造方法
公开(公告)号：US08797686B1
公开(公告)日：2014-08-05
申请号：US12978242
申请日：2010-12-23
申请人： Zhigang Bai , Peng Luo , Shaoping Li , Ut Tran
发明人： Zhigang Bai , Peng Luo , Shaoping Li , Ut Tran
IPC分类号： G11B5/31 , G11B5/23
CPC分类号： G11B5/3163 , G11B5/1278 , G11B5/232 , G11B5/235 , G11B5/3116 , G11B5/315
摘要： A magnetic recording transducer for use in a data storage device includes a writer pole with a ABS surface, trailing edge bevel and a trailing shield. The effective throat height of the writer main pole is reduced by the use two gap layers between the writer main pole and the trailing shield. A first gap layer is on and in contact with the writer pole trailing surface, and a second gap layer is on a section of the first gap layer on the writer pole trailing edge bevel, from a point removed from the ABS surface and absent from a part on a section of the first gap layer on the writer pole trailing edge bevel nearest the ABS. A method of fabricating the transducer is also provided.
摘要翻译：用于数据存储装置的磁记录传感器包括具有ABS表面的写入极，后缘斜面和后屏蔽。通过使用写主机和后盾之间的两个间隙层，减小了作者主极的有效喉部高度。第一间隙层与写入器极后表面接触并接触，并且第二间隙层位于写入器极后缘斜面上的第一间隙层的一部分上，从从ABS表面移除的点不在部分位于最靠近ABS的作者极后缘的第一间隙层的一部分。还提供了制造换能器的方法。

15. 发明授权

US09478236B1 Perpendicular magnetic recording write head 有权
标题翻译：垂直磁记录头
公开(公告)号：US09478236B1
公开(公告)日：2016-10-25
申请号：US13631808
申请日：2012-09-28
申请人： Feng Liu , Jinqiu Zhang , Zhigang Bai , Yugang Wang
发明人： Feng Liu , Jinqiu Zhang , Zhigang Bai , Yugang Wang
IPC分类号： G11B5/147
CPC分类号： G11B5/147 , G11B5/1278 , G11B5/3116
摘要： A main pole of a perpendicular magnetic recording write head is disclosed with a non-rectangular shape at the air bearing surface and a rectangular shape behind the air bearing surface. The main pole transitions from the non-rectangular shape to a rectangular shape at a distance of 10 nm to 100 nm behind the air bearing surface. The main pole includes leading and trailing beveled surfaces that extend from the non-rectangular shape of the pole at the air bearing surface toward the rectangular shape transition.
摘要翻译：公开了一种垂直磁记录写头的主极，在空气轴承表面具有非矩形形状，在空气轴承表面后面呈矩形形状。主极在空气轴承表面后方10nm到100nm的距离处从非矩形形状转变为矩形。主杆包括从空气轴承表面上的极的非矩形形状向矩形形状转变延伸的前后倾斜表面。

16. 发明授权

US08705205B1 Magnetic recording head having a dual sidewall angle 有权
标题翻译：具有双重侧壁角度的磁记录头
公开(公告)号：US08705205B1
公开(公告)日：2014-04-22
申请号：US13169685
申请日：2011-06-27
申请人： Yunfei Li , Lijie Guan , Ying Hong , Zhigang Bai , Jinqiu Zhang , Yugang Wang , Feng Liu , Tao Pan
发明人： Yunfei Li , Lijie Guan , Ying Hong , Zhigang Bai , Jinqiu Zhang , Yugang Wang , Feng Liu , Tao Pan
IPC分类号： G11B5/127
CPC分类号： G11B5/3163 , G11B5/1278 , G11B5/3116 , G11B5/315
摘要： A magnetic transducer having an air-bearing surface (ABS) is described. The magnetic transducer includes a pole and at least one coil for energizing the pole. The pole has a pole tip proximate to the ABS, a yoke distal from the ABS, and a bottom surface including a bottom bevel. At least the yoke includes at least one sidewall having a first angle and a second angle. The first angle is between the bottom surface and the at least one sidewall. The second angle is a constant distance along the at least one sidewall from the first angle.
摘要翻译：描述了具有空气轴承表面（ABS）的磁换能器。磁换能器包括极和用于激励极的至少一个线圈。杆具有靠近ABS的极尖端，远离ABS的轭，以及包括底部斜面的底表面。至少轭包括具有第一角度和第二角度的至少一个侧壁。第一角度在底表面和至少一个侧壁之间。第二角度是从第一角度沿着至少一个侧壁的恒定距离。

17. 发明授权

US08582238B1 Systems and methods for providing perpendicular magnetic writers having gradient magnetic moment side shields 有权
标题翻译：用于提供具有梯度磁矩侧屏蔽的垂直磁性写入器的系统和方法
公开(公告)号：US08582238B1
公开(公告)日：2013-11-12
申请号：US13279105
申请日：2011-10-21
申请人： Feng Liu , Zhigang Bai , Dehua Han , Ming Sun , Yugang Wang , Tao Pan
发明人： Feng Liu , Zhigang Bai , Dehua Han , Ming Sun , Yugang Wang , Tao Pan
IPC分类号： G11B5/33
CPC分类号： G11B5/3163 , G11B5/1278 , G11B5/3116 , G11B5/315
摘要： Systems and methods for providing perpendicular magnetic writers having gradient magnetic moment side shields are provided. In one case, the system includes a pole having a leading edge and trailing edge, a leading shield positioned closer to the leading edge than the trailing edge, the leading shield having a leading shield moment, a trailing shield positioned closer to the trailing edge than the leading edge, the trailing shield having a trailing shield moment greater than the leading shield moment, and a side shield positioned along side of the pole, the side shield including a gradient magnetic moment progressing from a first side shield moment to a second side shield moment, where the first side shield moment is about equal to the leading shield moment, and where the second side shield moment is about equal to the trailing shield moment and positioned closer to the trailing shield than the leading shield.
摘要翻译：提供了用于提供具有梯度磁矩侧屏蔽的垂直磁性写入器的系统和方法。在一种情况下，系统包括具有前缘和后缘的杆，位于比后缘更靠近前缘的前护罩，前护罩具有前屏蔽力矩，位于靠近后缘的后挡板比所述前缘，所述后挡板具有大于所述前屏蔽力矩的后屏蔽力矩，以及沿所述杆的侧面定位的侧屏蔽，所述侧屏蔽包括从第一侧屏蔽力矩到第二侧屏蔽的梯度磁矩其中第一侧面屏蔽力矩大约等于前导屏蔽力矩，并且其中第二侧面屏蔽力矩大约等于尾部屏蔽力矩，并且位于比前导屏蔽件更靠近尾部屏蔽件的位置。

18. 发明授权

US08520336B1 Magnetic recording head with nano scale pole tip bulge 有权
标题翻译：磁记录头带有纳米级极尖凸起
公开(公告)号：US08520336B1
公开(公告)日：2013-08-27
申请号：US13315098
申请日：2011-12-08
申请人： Feng Liu , Tao Pan , Zhigang Bai , Yugang Wang , Sining Mao
发明人： Feng Liu , Tao Pan , Zhigang Bai , Yugang Wang , Sining Mao
IPC分类号： G11B5/127
CPC分类号： G11B5/1278 , G11B5/3116
摘要： A perpendicular magnetic recording head for use in a hard disk drive has a main pole that has a main pole tip in proximity to an air bearing surface. The main pole tip has a first width at the ABS, extending distally at a first angle measured from the plane of the ABS to a second width measured at a first distance from the ABS. The main pole tip extends distally at a second angle measured from the plane of the ABS from the second width to a third width, wherein the second angle is less than the first angle. The main pole tip extends distally at a third angle measured from the plane of the ABS from the third width to a fourth width, wherein the third angle is greater than the second angle. The first distance is between 25 and 100 nanometers.
摘要翻译：用于硬盘驱动器的垂直磁记录头具有主极，该主极具有靠近空气轴承表面的主极尖。主极端部在ABS处具有第一宽度，以从ABS的平面测量的第一角度向距离ABS的第一距离测量的第二宽度向远侧延伸。主极尖以从ABS的平面从第二宽度测量到第二宽度的第二角度向远侧延伸，其中第二角度小于第一角度。主极尖以从ABS的平面测量的第三角度从第三宽度向第四宽度向远侧延伸，其中第三角度大于第二角度。第一个距离在25到100纳米之间。

19. 发明授权

US08520337B1 Perpendicular magnetic recording writer pole with leading and trailing bevel side wall angles at air bearing surface 有权
标题翻译：垂直磁记录笔杆，空气轴承表面具有前后斜面侧壁角
公开(公告)号：US08520337B1
公开(公告)日：2013-08-27
申请号：US13436712
申请日：2012-03-30
申请人： Feng Liu , Zhigang Bai , Yugang Wang , Jinqiu Zhang , Ying Hong , Tao Pan
发明人： Feng Liu , Zhigang Bai , Yugang Wang , Jinqiu Zhang , Ying Hong , Tao Pan
IPC分类号： G11B5/127
CPC分类号： G11B5/1278 , G11B5/3116 , G11B5/315
摘要： A perpendicular magnetic recording transducer with leading and trailing bevel side wall angles at air bearing surface for use in a data storage device is provided. The transducer includes a magnetic writer pole having a pole tip facing an air bearing surface (ABS). The pole tip includes a pole tip face having a leading edge, a trailing edge, a first side wall, and a second side wall. The first side wall includes a first side wall section adjoining the leading edge and a second side wall section adjoining the trailing edge. The first side wall section is at a first angle measured from a perpendicular center line dividing the trailing edge. The second side wall section is at a second angle measured from a perpendicular center line dividing the trailing edge. The second angle is greater than three degrees. The first angle is greater than the second angle.
摘要翻译：提供了一种用于数据存储装置的在空气轴承表面具有前后倾斜侧壁角度的垂直磁记录传感器。换能器包括具有面向空气轴承表面（ABS）的极尖的磁性写入极。极尖包括具有前缘，后缘，第一侧壁和第二侧壁的极尖端面。第一侧壁包括邻接前缘的第一侧壁部分和与后缘相邻的第二侧壁部分。第一侧壁部分是从分割后缘的垂直中心线测量的第一角度。第二侧壁部分是从分割后缘的垂直中心线测量的第二角度。第二个角度大于三度。第一角度大于第二角度。

20. 发明授权

US08792208B1 Method for providing side shields having non-conformal regions for a magnetic recording transducer 有权
标题翻译：用于提供具有用于磁记录换能器的非共形区域的侧屏蔽的方法
公开(公告)号：US08792208B1
公开(公告)日：2014-07-29
申请号：US13481158
申请日：2012-05-25
申请人： Feng Liu , Yugang Wang , Zhigang Bai , Hongzhou Jiang , Tao Pan , Shaoping Li
发明人： Feng Liu , Yugang Wang , Zhigang Bai , Hongzhou Jiang , Tao Pan , Shaoping Li
IPC分类号： G11B5/11
CPC分类号： G11B5/3163 , G11B5/1278 , G11B5/3116 , G11B5/315
摘要： A method and system provide a magnetic recording transducer having air-bearing surface (ABS). The magnetic recording transducer includes a pole, a side shield, a nonmagnetic gap between the side shield and the pole and at least one coil for energizing the pole. The pole has a pole tip proximate to the ABS. The side shield includes at least one nonconformal portion that extends from a throat height in a stripe height direction perpendicular to the ABS and is nonconformal with the pole. The spacing between the nonconformal portion(s) of the side shield and the pole varies based on a distance from the ABS.
摘要翻译：一种方法和系统提供具有空气轴承表面（ABS）的磁记录换能器。磁记录传感器包括极，侧屏蔽，侧屏蔽和极之间的非磁性间隙，以及至少一个用于激励磁极的线圈。极杆具有靠近ABS的极尖。所述侧护罩包括至少一个非整形部分，其从与所述ABS垂直的条带高度方向上的喉部高度延伸并且与所述杆不一致。侧护罩的非共形部分和极之间的间距基于距离ABS的距离而变化。

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