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1. 发明授权

US09153257B1 Write head having reduced dimensions 有权
标题翻译：写头减小尺寸
公开(公告)号：US09153257B1
公开(公告)日：2015-10-06
申请号：US14796875
申请日：2015-07-10
申请人： Seagate Technology LLC
发明人： John M. Wolf , Jianhua Xue , Kevin Heim , Kirill Rivkin , Huaqing Yin
IPC分类号： G11B5/39
CPC分类号： G11B5/39 , G11B5/127 , G11B5/1278 , G11B5/17 , G11B5/3123
摘要： A write head having reduced dimensions. In one implementation, the write head has a main pole having a leading side and a trailing side, a leading yoke on the leading side of the main pole, and a coil wrapped around the main pole and the leading yoke. The coil on the leading side and the leading yoke having a distance of no greater than 300 nm therebetween, and the coil on the trailing side and the main pole having a distance of no greater than 350 nm therebetween. In an alternate implementation, the write head has a trailing yoke, with the coil on the trailing side and the trailing yoke having a distance of no greater than 350 nm therebetween.
摘要翻译：具有缩小尺寸的写头。在一个实施方式中，写入头具有主极，其主前侧和后侧，主极的前导侧的前轭，以及缠绕在主极和前轭上的线圈。前导侧的线圈和前导轭之间的距离不大于300nm，后侧的线圈和主极之间的距离不大于350nm。在替代实施例中，写头具有拖尾轭，线圈在后侧，后轭具有不大于350nm的距离。

2. 发明授权

US09019659B1 Write pole with varying bevel angles 有权
标题翻译：用不同的斜角写入极点
公开(公告)号：US09019659B1
公开(公告)日：2015-04-28
申请号：US14052300
申请日：2013-10-11
申请人： Seagate Technology LLC
发明人： Huaqing Yin , Wei Tian , Zhe Shen , Kirill Rivkin , Jianhua Xue
IPC分类号： G11B5/147 , G11B5/187
CPC分类号： G11B5/1871 , G11B5/1278 , G11B5/3116
摘要： A magnetic element can have at least a write pole configured with a write pole tip that has a tip surface oriented at a first angle with respect to an air bearing surface (ABS), a first bevel surface extending from the ABS and oriented at a second angle with respect to the ABS, and a second bevel surface extending from the ABS and oriented at a third angle with respect to the ABS. The first, second, and third angles may be configured to be different and non-orthogonal to each other.
摘要翻译：磁性元件可以具有至少一个写入极，其配置有写入磁极尖端，所述写入磁极尖端具有相对于空气轴承表面（ABS）以第一角度定向的尖端表面，从ABS延伸并且在第二角度定向的第一斜面相对于ABS的角度以及从ABS延伸并相对于ABS以第三角度定向的第二斜面。第一，第二和第三角度可以被配置为彼此不同且非正交。

3. 发明申请

US20150103445A1 T-SHAPED WRITE POLE 有权
标题翻译： T形写入口
公开(公告)号：US20150103445A1
公开(公告)日：2015-04-16
申请号：US14052337
申请日：2013-10-11
申请人： Seagate Technology LLC
发明人： Jianhua Xue , Zhe Shen , Christopher James Rea , Eric Roger Meloche , Huaqing Yin
IPC分类号： G11B5/60 , G11B5/11
CPC分类号： G11B5/1278 , G11B5/11 , G11B5/1871 , G11B5/3116 , G11B5/315 , G11B5/3163 , G11B5/6082
摘要： A magnetic element may be generally configured with at least a write pole that has leading and trailing regions on an air bearing surface. The leading region may have a trailing width connected to a leading width of the trailing region via a transition feature to form a substantially T-shaped cross-section on the air bearing surface.
摘要翻译：磁性元件可以通常配置有至少一个在空气轴承表面上具有前部和后部区域的写入极。引导区域可以具有经由过渡特征连接到尾部区域的前导宽度的拖尾宽度，以在空气轴承表面上形成基本上T形的横截面。

4. 发明申请

US20140376131A1 Data Writer with Tapered Side Shield Sidewalls 有权
公开(公告)号：US20140376131A1
公开(公告)日：2014-12-25
申请号：US14479850
申请日：2014-09-08
申请人： Seagate Technology LLC
发明人： Eric Shane Linville , Jianhua Xue , Eric Roger Meloche , Huaqing Yin , Yonghua Chen
IPC分类号： G11B5/11
CPC分类号： G11B5/11 , G11B5/127 , G11B5/1278 , G11B5/3116 , G11B5/315
摘要： A data writer may be generally configured at least with a write pole that has a pole sidewall and a continuous first taper angle connecting leading and trailing edges. The write pole can be positioned adjacent to a side shield that is configured with first and second shield sidewalls tapered to a shield tip that is the closest point between the write pole and side shield.

5. 发明申请

US20140169146A1 WRITE POLE FOR RECORDING HEAD 有权
标题翻译：用于记录头的写入点
公开(公告)号：US20140169146A1
公开(公告)日：2014-06-19
申请号：US13718946
申请日：2012-12-18
申请人： SEAGATE TECHNOLOGY LLC
发明人： Huaqing Yin , Jianhua Xue , Venkateswara Rao Inturi , Mark Thomas Kief , Michael C. Kautzky
IPC分类号： G11B5/127
CPC分类号： G11B5/1278 , G11B5/3116 , Y10T428/115
摘要： A write pole structure disclosed herein includes a write pole, a trailing shield, and a high magnetic moment (HMM) material layer on a surface of the trailing shield facing the write pole.
摘要翻译：本文公开的写柱结构包括位于后屏蔽件面对写极的表面上的写极，后屏蔽和高磁矩（HMM）材料层。

6. 发明申请

US20140022673A1 WRITE HEAD WITH MODIFIED SIDE SHIELDS 有权
标题翻译：具有修改的边框的写头
公开(公告)号：US20140022673A1
公开(公告)日：2014-01-23
申请号：US13890387
申请日：2013-05-09
申请人： SEAGATE TECHNOLOGY LLC
发明人： Mourad Benakli , Kirill Aleksandrovich Rivkin , James Gary Wessel , Dehua Han , Huaqing Yin , Jianhua Xue
IPC分类号： G11B5/11
CPC分类号： G11B5/11 , G11B5/3116 , G11B5/315 , G11B5/6082
摘要： A write head, the write head having an air bearing surface, the write head including a magnetic write pole, wherein at the air bearing surface, the write pole has a trailing surface, a leading surface that is opposite the trailing surface, and first and second surfaces; a trailing shield proximate the trailing surface of the magnetic write pole; first and second gaps proximate the first and second surfaces of the magnetic write pole; first and second side shields proximate the first and second gaps, each of the first and second side shields having a trailing shield surface; and first and second antiferromagnetic-coupling layers positioned between the trailing shield surfaces of the first and second side shields and the trailing shield.
摘要翻译：写头，写头具有空气轴承表面，写头包括磁写极，其中在空气轴承表面处，写极具有后表面，与后表面相对的前表面，以及第一和第二面靠近磁性写入磁极的后表面的尾部屏蔽; 靠近磁写入极的第一和第二表面的第一和第二间隙; 靠近第一和第二间隙的第一和第二侧面屏蔽件，第一和第二侧面屏蔽件中的每一个具有尾部屏蔽表面; 以及第一和第二反铁磁耦合层，其位于第一和第二侧面屏蔽的尾部屏蔽表面与后屏蔽之间。

7. 发明授权

US10586559B1 Side shield formation 有权
公开(公告)号：US10586559B1
公开(公告)日：2020-03-10
申请号：US16216419
申请日：2018-12-11
申请人： Seagate Technology LLC
发明人： Jia Sun , Dong Lin , Shen Zhe , Jianhua Xue , Wei Tian , Joe Mundenar
IPC分类号： G11B5/31 , G11B5/11 , G11B5/115
摘要： A method includes forming a write pole layer having a front surface, a leading surface, a trailing surface and side surfaces connecting the leading surface to the trailing surface. The method also includes forming side shield layers proximate to the side surfaces of the write pole layer. A patterned sacrificial layer is deposited over the side shield layers, and a trailing surface bevel is formed on the write pole layer.

8. 发明申请

US20150154985A1 MAGNETIC FLUX BARRIER 审中-公开
标题翻译：磁通障碍器
公开(公告)号：US20150154985A1
公开(公告)日：2015-06-04
申请号：US14615940
申请日：2015-02-06
申请人： Seagate Technology LLC
发明人： Eric Meloche , Bin Lu , Lixin Jia , Jianhua Xue , John David Westwood , Mark Anthony Gubbins , Alexandru Cazacu
IPC分类号： G11B5/11
CPC分类号： G11B5/11 , G11B5/1278 , G11B5/3116 , G11B5/315
摘要： Data storage systems having barriers that may reduce erasure flux and increase write-ability are provided. Data storage systems include a writing element. The writing element has a write pole with a flare region. A magnetic flux barrier is located along the write pole flare region. The magnetic flux barrier is illustratively made from an in-plane magnetically anisotropic material that has an easy plane of magnetization. In another embodiment, a data storage system includes a writing element having an air bearing surface and a shield at the air bearing surface. The shield has a magnetic permeability of approximately zero. The shield illustratively includes alternating layers of positive and negative permeabilities. The shield optionally includes a plurality of shields that may include top, bottom, and side shields.
摘要翻译：提供了具有可能减少擦除通量并增加写入能力的障碍的数据存储系统。数据存储系统包括写入元件。写入元件具有带闪光区域的写入极。磁通势垒位于写磁极耀斑区域。磁通势垒示意性地由具有易磁化平面的面内磁各向异性材料制成。在另一个实施例中，数据存储系统包括具有空气轴承表面和在空气支承表面处的屏蔽的书写元件。屏蔽具有大约零的磁导率。屏蔽件示例性地包括正和负磁导率的交替层。屏蔽件可选地包括可以包括顶部，底部和侧部屏蔽件的多个屏蔽件。

9. 发明申请

US20150103439A1 WRITE POLE WITH VARYING BEVEL ANGLES 有权
标题翻译：具有变化水平角的写入点
公开(公告)号：US20150103439A1
公开(公告)日：2015-04-16
申请号：US14052300
申请日：2013-10-11
申请人： Seagate Technology LLC
发明人： Huaqing Yin , Wei Tian , Zhe Shen , Kirill Rivkin , Jianhua Xue
IPC分类号： G11B5/187
CPC分类号： G11B5/1871 , G11B5/1278 , G11B5/3116
摘要： A magnetic element can have at least a write pole configured with a write pole tip that has a tip surface oriented at a first angle with respect to an air bearing surface (ABS), a first bevel surface extending from the ABS and oriented at a second angle with respect to the ABS, and a second bevel surface extending from the ABS and oriented at a third angle with respect to the ABS. The first, second, and third angles may be configured to be different and non-orthogonal to each other.
摘要翻译：磁性元件可以具有至少一个写入极，其配置有写入磁极尖端，所述写入磁极尖端具有相对于空气轴承表面（ABS）以第一角度定向的尖端表面，从ABS延伸并且在第二角度定向的第一斜面相对于ABS的角度以及从ABS延伸并相对于ABS以第三角度定向的第二斜面。第一，第二和第三角度可以被配置为彼此不同且非正交。

10. 发明申请

US20150002963A1 Write Gap Structure for a Magnetic Recording Head 有权
标题翻译：写磁记录头的间隙结构
公开(公告)号：US20150002963A1
公开(公告)日：2015-01-01
申请号：US13930776
申请日：2013-06-28
申请人： Seagate Technology LLC
发明人： Wei Tian , Huaqing Yin , Yan Dong , Joseph M. Mundenar , Jianhua Xue
IPC分类号： G11B5/23
CPC分类号： G11B5/23 , G11B5/232 , G11B5/3116
摘要： The present application relates to a write gap structure for a magnetic recording head. In illustrated embodiments, the write gap structure includes multiple write gap segments along a beveled pole tip surface between a top edge and a bottom edge of the beveled pole tip surface to provide a narrow write gap proximate to the air bearing surface and a larger write gap behind the air bearing surface. In illustrated embodiments, the narrow write gap segment is formed between the beveled pole tip surface and a lower back surface of front shield and the larger write gap is formed between the beveled pole tip surface and an upper back surface of the front shield.
摘要翻译：本申请涉及用于磁记录头的写间隙结构。在示出的实施例中，写间隙结构包括沿着倾斜磁极尖端表面的顶部边缘和底部边缘之间的斜面磁极尖端表面的多个写入间隙段，以提供靠近空气轴承表面的窄写入间隙和更大的写入间隙在空气轴承表面后面。在图示的实施例中，狭窄的写入间隙段形成在斜面极尖表面和前屏蔽的下后表面之间，并且较大的写入间隙形成在斜面极尖表面与前屏蔽的上后表面之间。

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