公开(公告)号：US09147407B2

公开(公告)日：2015-09-29

申请号：US13797165

申请日：2013-03-12

Applicant: Seagate Technology LLC

Inventor： Wei Tian ,  Venkateswara Rao Inturi ,  Doug Lin ,  Huaqing Yin ,  Jiaoming Qiu

IPC: G11B5/23 ,  G11B5/235 ,  G11B5/187 ,  G11B5/33 ,  G11B5/127 ,  G11B5/31

CPC classification number: G11B5/235 ,  G11B5/1278 ,  G11B5/187 ,  G11B5/23 ,  G11B5/232 ,  G11B5/3116 ,  G11B5/3143 ,  G11B5/3163 ,  G11B5/332 ,  G11B5/6082 ,  Y10T428/115 ,  Y10T428/1193

Abstract: In accordance with one embodiment, an apparatus includes a main pole layer of magnetic material; a second layer of magnetic material; a first gap layer of non-magnetic material disposed between the main pole layer and the second layer of magnetic material; a second gap layer of non-magnetic material disposed between the main pole layer and the second layer of magnetic material; wherein the second gap layer of non-magnetic material is disposed directly adjacent to the second layer of magnetic material. In accordance with one embodiment, this allows the gap to serve as a non-magnetic seed for the second layer of magnetic material. A method of manufacturing such a device is also described.

Abstract translation: 根据一个实施例，一种装置包括磁性材料的主极层; 第二层磁性材料; 设置在所述主极层和所述第二磁性材料层之间的非磁性材料的第一间隙层; 设置在主极层和第二磁性材料层之间的非磁性材料的第二间隙层; 其中所述非磁性材料的所述第二间隙层直接邻近所述第二磁性材料层设置。 根据一个实施例，这允许间隙用作第二层磁性材料的非磁性种子。 还描述了制造这种装置的方法。

公开(公告)号：US08945405B2

公开(公告)日：2015-02-03

申请号：US13868515

申请日：2013-04-23

Applicant: Seagate Technology LLC

Inventor： Vladyslav Alexandrovich Vas'ko ,  Venkateswara Rao Inturi ,  Michael C. Kautzky ,  Zhihong Lu ,  Mark T. Kief ,  Yifan Zhang

IPC: G11B5/11 ,  G11B5/84 ,  G11B5/39

CPC classification number: G11B5/84 ,  G11B5/3912 ,  G11B5/398

Abstract: A magneto-resistive reader includes a first magnetic shield element, a second magnetic shield element and a magneto-resistive sensor stack separating the first magnetic shield element from the second magnetic shield element. The first shield element includes two ferromagnetic anisotropic layers separated by a grain growth suppression layer.

Abstract translation: 磁阻读取器包括第一磁屏蔽元件，第二磁屏蔽元件和将第一磁屏蔽元件与第二磁屏蔽元件分开的磁阻传感器堆叠。 第一屏蔽元件包括由晶粒生长抑制层分开的两个铁磁各向异性层。

公开(公告)号：US08861316B2

公开(公告)日：2014-10-14

申请号：US13718946

申请日：2012-12-18

Applicant: Seagate Technology LLC

Inventor： Huaqing Yin ,  Jianhua Xue ,  Venkateswara Rao Inturi ,  Mark Thomas Kief ,  Michael C. Kautzky

IPC: G11B11/00 ,  G11B5/127

CPC classification number: G11B5/1278 ,  G11B5/3116 ,  Y10T428/115

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US08670215B2

公开(公告)日：2014-03-11

申请号：US13928445

申请日：2013-06-27

Applicant: Seagate Technology LLC

Inventor： Jie Zou ,  Kaizhong Gao ,  William Albert Challener ,  Mark Henry Ostrowski ,  Venkateswara Rao Inturi ,  Tong Zhao ,  Michael Christopher Kautzky

IPC: G11B5/02

CPC classification number: G11B13/08 ,  G11B5/3133 ,  G11B5/314 ,  G11B5/6088 ,  G11B13/04 ,  G11B2005/0021 ,  Y10T428/11

Abstract: An apparatus includes a near field transducer positioned adjacent to an air bearing surface, a first magnetic pole, a heat sink positioned between the first magnetic pole and the near field transducer, and a diffusion barrier positioned between the near field transducer and the first magnetic pole. The diffusion barrier can be positioned adjacent to the magnetic pole or the near field transducer.

Abstract translation: 一种装置包括邻近空气轴承表面定位的近场换能器，第一磁极，位于第一磁极和近场换能器之间的散热器，以及位于近场换能器与第一磁极之间的扩散阻挡层 。 扩散阻挡层可以邻近磁极或近场传感器定位。

公开(公告)号：US20140050057A1

公开(公告)日：2014-02-20

申请号：US14062651

申请日：2013-10-24

Applicant: SEAGATE TECHNOLOGY LLC

Inventor： Jie Zou ,  Kaizhong Gao ,  William Albert Challener ,  Mark Henry Ostrowski ,  Venkateswara Rao Inturi ,  Tong Zhao ,  Michael Christopher Kautzky

IPC: G11B33/14 ,  G11B13/08

CPC classification number: G11B33/144 ,  G11B5/3106 ,  G11B5/3133 ,  G11B5/3136 ,  G11B5/314 ,  G11B13/08 ,  G11B2005/0021

Abstract: An apparatus including a near field transducer positioned adjacent to an air bearing surface, the near field transducer comprising silver (Ag) and at least one other element or compound; a first magnetic pole; and a heat sink positioned between the first magnetic pole and the near field transducer, wherein the heat sink includes: rhodium (Rh) or an alloy thereof; ruthenium (Ru) or an alloy thereof; titanium (Ti) or an alloy thereof; tantalum (Ta) or an alloy thereof; tungsten (W) or an alloy thereof; borides; nitrides; transition metal oxides; or palladium (Pd) or an alloy thereof.

Abstract translation: 一种包括靠近空气轴承表面定位的近场换能器的装置，所述近场换能器包括银（Ag）和至少一种其它元件或化合物; 第一个磁极; 以及位于所述第一磁极和所述近场换能器之间的散热器，其中所述散热器包括：铑（Rh）或其合金; 钌（Ru）或其合金; 钛（Ti）或其合金; 钽（Ta）或其合金; 钨（W）或其合金; 硼化物 氮化物 过渡金属氧化物; 或钯（Pd）或其合金。

公开(公告)号：US20130070576A1

公开(公告)日：2013-03-21

申请号：US13678017

申请日：2012-11-15

Applicant: SEAGATE TECHNOLOGY LLC

Inventor： Jie Zou ,  Kaizhong Gao ,  William Albert Challener ,  Mark Henry Ostrowski ,  Venkateswara Rao Inturi ,  Tong Zhao ,  Michael Christopher Kautzky

IPC: G11B13/04

CPC classification number: G11B13/08 ,  G11B5/3133 ,  G11B5/314 ,  G11B5/6088 ,  G11B13/04 ,  G11B2005/0021 ,  Y10T428/11

Abstract: An apparatus includes a near field transducer positioned adjacent to an air bearing surface, a first magnetic pole, a heat sink positioned between the first magnetic pole and the near field transducer, and a diffusion barrier positioned between the near field transducer and the first magnetic pole. The diffusion barrier can be positioned adjacent to the magnetic pole or the near field transducer.