公开(公告)号：US09165570B2

公开(公告)日：2015-10-20

申请号：US14576982

申请日：2014-12-19

Applicant: Seagate Technology LLC

Inventor： Zhengqi Lu ,  Ann Lynch ,  Daniel Hassett ,  Jiansheng Xu ,  Jae-Young Yi ,  Liwen Tan ,  Eric W. Singleton

IPC: G11B5/39 ,  G11B5/23 ,  G01R33/09

CPC classification number: G11B5/23 ,  G01R33/093 ,  G11B5/3912 ,  G11B5/3929 ,  H01F10/3204

Abstract: A magnetic element capable of reading data may generally be configured at least with a magnetic seed lamination disposed between a data reader stack and a magnetic shield. The magnetic seed lamination may be constructed at least with one magnetic layer coupled to the bottom shield and at least one non-magnetic layer decoupling the data reader stack from the at least one magnetic layer.

Abstract translation: 能够读取数据的磁性元件通常可以至少配置在数据读取器堆叠和磁性屏蔽之间的磁性种子​​叠层。 磁性种子层压可以至少构成一个耦合到底部屏蔽的磁性层和至少一个非磁性层使数据读取器堆叠与至少一个磁性层分离。

公开(公告)号：US09087525B2

公开(公告)日：2015-07-21

申请号：US14067456

申请日：2013-10-30

Applicant: Seagate Technology LLC

Inventor： Zhengqi Lu ,  Daniel Hassett ,  Paula McElhinney ,  Jiansheng Xu

IPC: G11B5/11 ,  G11B5/33

CPC classification number: G11B5/11 ,  G11B5/33 ,  G11B5/3909 ,  G11B5/3912 ,  G11B2005/3996

Abstract: A magneto-resistive (MR) sensor may include a variety of individual functional layers whereby an electrical resistance throughout the layers of the sensor stack varies according to the polarity of a pinned layer within the sensor stack. A layered synthetic anti-ferromagnetic (SAF) upper shield of the MR sensor includes an upper SAF layer and a lower SAF layer separated by a shield anti-ferromagnetic (AFM) layer. The lower SAF layer is in contact with a side shield of the MR sensor, which provides a side shield biasing field to the MR sensor. The upper SAF layer separates the lower SAF layer from a top shield and/or domain control structure (DCS) magnet(s) of the MR sensor and shields the lower SAF layer and the sensor stack from DCS stray field(s), thereby reducing noise.

Abstract translation: 磁阻（MR）传感器可以包括各种单独的功能层，由此传感器堆叠的各层的电阻根据传感器堆叠内的被钉扎层的极性而变化。 MR传感器的分层合成反铁磁（SAF）上屏蔽包括由屏蔽反铁磁（AFM）层隔开的上SAF层和下SAF层。 较低的SAF层与MR传感器的侧屏蔽接触，其向MR传感器提供侧屏偏置场。 上部SAF层将下部SAF层与MR传感器的顶部屏蔽和/或域控制结构（DCS）磁体分开，并将下部SAF层和传感器堆叠屏蔽到DCS杂散场，从而减少 噪声。

公开(公告)号：US08922954B2

公开(公告)日：2014-12-30

申请号：US13887900

申请日：2013-05-06

Applicant: Seagate Technology LLC

Inventor： Xin Cao ,  Frances Paula McElhinney ,  Jiansheng Xu ,  Marcus Winston Ormston

IPC: G11B5/127 ,  G11B5/187

CPC classification number: G11B5/398 ,  G11B5/3163 ,  Y10T29/49032 ,  Y10T29/49052

Abstract: A data reader can be configured with at least a magnetically responsive lamination that has a first portion with a first stripe height from an air bearing surface (ABS) and a second portion with a different second stripe height from the ABS. The first portion can be constructed to have a back edge surface shaped at a predetermined angle relative to the ABS by a back edge feature.

Abstract translation: 数据读取器可以配置有至少一个磁响应层压体，其具有第一部分，该第一部分具有来自空气轴承表面（ABS）的第一条带高度，以及具有与ABS不同的第二条纹高度的第二部分。 第一部分可以构造成具有通过后边缘特征相对于ABS以预定角度成形的后边缘表面。

公开(公告)号：US20140334040A1

公开(公告)日：2014-11-13

申请号：US13889841

申请日：2013-05-08

Applicant: SEAGATE TECHNOLOGY LLC

Inventor： Zhengqi Lu ,  Daniel Hassett ,  Jiansheng Xu

IPC: G11B5/11

CPC classification number: G11B5/11 ,  G01R33/0076 ,  G01R33/025 ,  G01R33/093 ,  G11B5/3912 ,  H01L43/08 ,  H01L43/10

Abstract: A magnetic element may generally be configured as a read head with at least a magnetic stack that contacts at least one magnetic shield. The magnetic shield can be positioned on top of a base lamination and have at least a predetermined anisotropy and magnetic coercivity corresponding to the base lamination.

Abstract translation: 磁性元件通常可被配置为至少具有至少一个磁性屏蔽层的磁性堆叠的读取头。 磁屏蔽可以位于基底层叠的顶部上，并且具有至少相应于基底层压的预定的各向异性和磁矫顽力。

公开(公告)号：US20140218821A1

公开(公告)日：2014-08-07

申请号：US13761216

申请日：2013-02-07

Applicant: SEAGATE TECHNOLOGY LLC

Inventor： Zhengqi Lu ,  Ann Lynch ,  Daniel Hassett ,  Jiansheng Xu ,  Jae-Young Yi ,  Liwen Tan ,  Eric W. Singleton

IPC: G11B5/127

CPC classification number: G11B5/23 ,  G01R33/093 ,  G11B5/3912 ,  G11B5/3929 ,  H01F10/3204

Abstract: A magnetic element capable of reading data may generally be configured at least with a magnetic seed lamination disposed between a data reader stack and a magnetic shield. The magnetic seed lamination may be constructed at least with one magnetic layer coupled to the bottom shield and at least one non-magnetic layer decoupling the data reader stack from the at least one magnetic layer.

Abstract translation: 能够读取数据的磁性元件通常可以至少配置在数据读取器堆叠和磁性屏蔽之间的磁性种子​​叠层。 磁性种子层压可以至少构成一个耦合到底部屏蔽的磁性层和至少一个非磁性层使数据读取器堆叠与至少一个磁性层分离。