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    Write head having reduced dimensions
    1.
    发明授权
    Write head having reduced dimensions 有权
    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

    Applicant: Seagate Technology LLC

    Inventor： John M. Wolf ,  Jianhua Xue ,  Kevin Heim ,  Kirill Rivkin ,  Huaqing Yin

    IPC: G11B5/39

    CPC classification number: G11B5/39 ,  G11B5/127 ,  G11B5/1278 ,  G11B5/17 ,  G11B5/3123

    Abstract: 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.

    Abstract translation: 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。

    Write pole with varying bevel angles
    2.
    发明授权
    Write pole with varying bevel angles 有权
    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

    Applicant: Seagate Technology LLC

    Inventor： Huaqing Yin ,  Wei Tian ,  Zhe Shen ,  Kirill Rivkin ,  Jianhua Xue

    IPC: G11B5/147 ,  G11B5/187

    CPC classification number: G11B5/1871 ,  G11B5/1278 ,  G11B5/3116

    Abstract: 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.

    Abstract translation: 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。

    WRITE HEAD WITH MODIFIED SIDE SHIELDS
    6.
    发明申请
    WRITE HEAD WITH MODIFIED SIDE SHIELDS 有权
    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

    Applicant: SEAGATE TECHNOLOGY LLC

    Inventor： Mourad Benakli ,  Kirill Aleksandrovich Rivkin ,  James Gary Wessel ,  Dehua Han ,  Huaqing Yin ,  Jianhua Xue

    IPC: G11B5/11

    CPC classification number: G11B5/11 ,  G11B5/3116 ,  G11B5/315 ,  G11B5/6082

    Abstract: 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.

    Abstract translation: 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。

    Side shield formation
    7.
    发明授权
    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

    Applicant: Seagate Technology LLC

    Inventor： Jia Sun ,  Dong Lin ,  Shen Zhe ,  Jianhua Xue ,  Wei Tian ,  Joe Mundenar

    IPC: G11B5/31 ,  G11B5/11 ,  G11B5/115

    Abstract: 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.

    MAGNETIC FLUX BARRIER
    8.
    发明申请
    MAGNETIC FLUX BARRIER 审中-公开
    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

    Applicant: Seagate Technology LLC

    Inventor： Eric Meloche ,  Bin Lu ,  Lixin Jia ,  Jianhua Xue ,  John David Westwood ,  Mark Anthony Gubbins ,  Alexandru Cazacu

    IPC: G11B5/11

    CPC classification number: G11B5/11 ,  G11B5/1278 ,  G11B5/3116 ,  G11B5/315

    Abstract: 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.

    Abstract translation: 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。

    WRITE POLE WITH VARYING BEVEL ANGLES
    9.
    发明申请
    WRITE POLE WITH VARYING BEVEL ANGLES 有权
    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

    Applicant: Seagate Technology LLC

    Inventor： Huaqing Yin ,  Wei Tian ,  Zhe Shen ,  Kirill Rivkin ,  Jianhua Xue

    IPC: G11B5/187

    CPC classification number: G11B5/1871 ,  G11B5/1278 ,  G11B5/3116

    Abstract: 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.

    Abstract translation: 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。

    Write Gap Structure for a Magnetic Recording Head
    10.
    发明申请
    Write Gap Structure for a Magnetic Recording Head 有权
    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

    Applicant: Seagate Technology LLC

    Inventor： Wei Tian ,  Huaqing Yin ,  Yan Dong ,  Joseph M. Mundenar ,  Jianhua Xue

    IPC: G11B5/23

    CPC classification number: G11B5/23 ,  G11B5/232 ,  G11B5/3116

    Abstract: 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.

    Abstract translation: 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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