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    Layered optical waveguide and near field transducer
    72.
    发明授权
    Layered optical waveguide and near field transducer 有权
    分层光波导和近场传感器

    公开(公告)号：US09304252B2

    公开(公告)日：2016-04-05

    申请号：US14182486

    申请日：2014-02-18

    Applicant: SEAGATE TECHNOLOGY LLC

    Inventor： Xiaoyue Huang ,  Michael C. Kautzky ,  Tong Zhao

    IPC: G11B7/00 ,  G02B6/122 ,  G11B7/12 ,  G02B6/02 ,  G11B5/31 ,  G11B5/48 ,  G11B5/00

    CPC classification number: G02B6/122 ,  G02B6/02 ,  G11B5/314 ,  G11B5/4866 ,  G11B7/12 ,  G11B7/1206 ,  G11B7/124 ,  G11B2005/0021

    Abstract: Waveguides that include a top cladding layer made of a material having an index of refraction n4; a core bilayer structure, the core bilayer structure including a lower index core layer having an index of refraction n3; and a higher index core layer having an index of refraction n1, wherein the higher index core layer includes TiO2 and one or more than one of Nb2O5, CeO2, Ta2O5, ZrO2, HfO2, Y2O3, Sc2O3, MgO, Al2O3 and SiO2, wherein the lower index core layer is adjacent the higher index core layer; a bottom cladding layer made of a material having an index of refraction n2, wherein the waveguide is configured with the higher index core layer of the core bilayer structure adjacent the top cladding layer and the lower index core layer of the core bilayer structure adjacent the bottom cladding layer, and wherein n4 is less than n3 and n1, and n2 is less than n3 and n1.

    Abstract translation: 包括由具有折射率n4的材料制成的顶部覆层的波导; 核心双层结构，核心双层结构包括具有折射率n3的较低折射率核心层; 以及具有折射率n1的高折射率芯层，其中所述较高折射率芯层包括TiO 2和Nb 2 O 5，CeO 2，Ta 2 O 5，ZrO 2，HfO 2，Y 2 O 3，Sc 2 O 3，MgO，Al 2 O 3和SiO 2中的一种或多种，​​其中 较低指数核心层与较高指数核心层相邻; 由具有折射率n2的材料制成的底部包层，其中所述波导配置有与所述顶部包覆层相邻的所述芯层双层结构的较高折射率芯层和所述芯层双层结构的较低折射率核心层邻近所述底部 包层，其中n4小于n3和n1，n2小于n3和n1。

    LAYERED OPTICAL WAVEGUIDE AND NEAR FIELD TRANSDUCER
    76.
    发明申请
    LAYERED OPTICAL WAVEGUIDE AND NEAR FIELD TRANSDUCER 有权
    层状光波导和近场传感器

    公开(公告)号：US20150277039A1

    公开(公告)日：2015-10-01

    申请号：US14182486

    申请日：2014-02-18

    Applicant: SEAGATE TECHNOLOGY LLC

    Inventor： Xiaoyue Huang ,  Michael C. Kautzky ,  Tong Zhao

    IPC: G02B6/122 ,  G11B5/48 ,  G11B5/31

    CPC classification number: G02B6/122 ,  G02B6/02 ,  G11B5/314 ,  G11B5/4866 ,  G11B7/12 ,  G11B7/1206 ,  G11B7/124 ,  G11B2005/0021

    Abstract: Waveguides that include a top cladding layer made of a material having an index of refraction n4; a core bilayer structure, the core bilayer structure including a lower index core layer having an index of refraction n3; and a higher index core layer having an index of refraction n1, wherein the higher index core layer includes TiO2 and one or more than one of Nb2O5, CeO2, Ta2O5, ZrO2, HfO2, Y2O3, Sc2O3, MgO, Al2O3 and SiO2, wherein the lower index core layer is adjacent the higher index core layer; a bottom cladding layer made of a material having an index of refraction n2, wherein the waveguide is configured with the higher index core layer of the core bilayer structure adjacent the top cladding layer and the lower index core layer of the core bilayer structure adjacent the bottom cladding layer, and wherein n4 is less than n3 and n1, and n2 is less than n3 and n1.

    Abstract translation: 包括由具有折射率n4的材料制成的顶部覆层的波导; 核心双层结构，核心双层结构包括具有折射率n3的较低折射率核心层; 以及具有折射率n1的高折射率芯层，其中所述较高折射率芯层包括TiO 2和Nb 2 O 5，CeO 2，Ta 2 O 5，ZrO 2，HfO 2，Y 2 O 3，Sc 2 O 3，MgO，Al 2 O 3和SiO 2中的一种或多种，​​其中 较低指数核心层与较高指数核心层相邻; 由具有折射率n2的材料制成的底部包层，其中，所述波导配置有与所述顶部包覆层相邻的所述芯层双层结构的较高折射率的核心层和与所述核心双层结构相邻的底部的下部折射率核心层 包层，其中n4小于n3和n1，n2小于n3和n1。

    Reader structure
    77.
    发明授权
    Reader structure 有权
    读者结构

    公开(公告)号：US09123365B1

    公开(公告)日：2015-09-01

    申请号：US14745087

    申请日：2015-06-19

    Applicant: Seagate Technology LLC

    Inventor： Michael C. Kautzky ,  Venkateswara R. Inturi

    IPC: G11B5/39

    CPC classification number: G11B5/39 ,  G11B5/11 ,  G11B5/3912

    Abstract: An apparatus disclosed herein comprises a reader structure having a sensor stack and a bottom shield having a first end and a second end on opposite sides of the bottom shield in a cross-track direction, wherein the first end is formed by intersection of arcs. In one implementation, the apparatus disclosed herein the sensor has a bottom shield having a bullet shape with a first end along a cross-track direction being rectangular and a second end along the cross-track direction being formed by an intersection of arcs.

    Abstract translation: 本文公开的装置包括具有传感器堆叠和底部屏蔽的读取器结构，其具有沿着横向轨道方向在底部屏蔽的相对侧上的第一端和第二端，其中第一端由弧线相交形成。 在一个实施方式中，本文公开的装置具有底部屏蔽，其具有子弹形状，其沿着横向方向的第一端是矩形的，并且沿着横向方向的第二端由弧的交点形成。

    DEVICES INCLUDING AT LEAST ONE ADHESION LAYER AND METHODS OF FORMING ADHESION LAYERS
    78.
    发明申请
    DEVICES INCLUDING AT LEAST ONE ADHESION LAYER AND METHODS OF FORMING ADHESION LAYERS 审中-公开
    包括至少一个粘合层的装置和形成粘合层的方法

    公开(公告)号：US20150170684A1

    公开(公告)日：2015-06-18

    申请号：US14632057

    申请日：2015-02-26

    Applicant: SEAGATE TECHNOLOGY LLC

    Inventor： Yuhang Cheng ,  Tong Zhao ,  Michael C. Kautzky ,  Ed F. Rejda ,  Kurt W. Wierman ,  Scott Franzen ,  Andrew J. Boyne ,  Michael Allen Seigler ,  Sethuraman Jayashankar

    IPC: G11B5/31

    CPC classification number: G11B5/314 ,  B05D1/36 ,  G11B5/3106 ,  G11B5/3163 ,  G11B5/4866 ,  G11B5/6088 ,  G11B5/84 ,  G11B5/85 ,  G11B5/851 ,  G11B5/858 ,  G11B7/1387 ,  G11B2005/0021

    Abstract: Devices that include a near field transducer (NFT), the NFT having a disc and a peg, and the peg having an air bearing surface; and at least one adhesion layer positioned on the air bearing surface of the peg, the adhesion layer including one or more of the following: tungsten (W), molybdenum (Mo), chromium (Cr), silicon (Si), nickel (Ni), tantalum (Ta), titanium (Ti), yttrium (Y), vanadium (V), magnesium (Mg), cobalt (Co), tin (Sn), niobium (Nb), hafnium (Hf), and combinations thereof; tantalum oxide, titanium oxide, tin oxide, indium oxide, and combinations thereof; vanadium carbide (VC), tungsten carbide (WC), titanium carbide (TiC), chromium carbide (CrC), cobalt carbide (CoC), nickel carbide (NiC), yttrium carbide (YC), molybdenum carbide (MoC), and combinations thereof and titanium nitride (TiN), zirconium nitride (ZrN), hafnium nitride (HfN), and combinations thereof.

    Abstract translation: 包括近场换能器（NFT），NFT具有盘和钉的装置以及具有空气轴承表面的钉; 以及至少一个粘合层，其位于所述钉的空气支承表面上，所述粘合层包括以下中的一种或多种：钨（W），钼（Mo），铬（Cr），硅（Si），镍 ），钽（Ta），钛（Ti），钇（Y），钒（V），镁（Mg），钴（Co），锡（Sn），铌（Nb），铪（Hf） ; 氧化钽，氧化钛，氧化锡，氧化铟及其组合; 碳化钒（VC），碳化钨（WC），碳化钛（TiC），碳化铬（CrC），碳化钴（CoC），碳化镍（NiC），碳化钇（YC），碳化钼（MoC） 和氮化钛（TiN），氮化锆（ZrN），氮化铪（HfN）及其组合。

    Heat assisted magnetic recording devices
    79.
    发明授权
    Heat assisted magnetic recording devices 有权
    热辅助磁记录装置

    公开(公告)号：US09053737B2

    公开(公告)日：2015-06-09

    申请号：US13719749

    申请日：2012-12-19

    Applicant: SEAGATE TECHNOLOGY LLC

    Inventor： Xiaoyue Huang ,  Michael C. Kautzky ,  Zoran Jandric

    IPC: G11B11/00 ,  G11B13/08 ,  G11B5/31 ,  G11B5/60 ,  G11B5/00

    CPC classification number: G11B13/08 ,  G11B5/314 ,  G11B5/6088 ,  G11B2005/0021

    Abstract: Devices having an air bearing surface, the device including a magnetic write pole positioned adjacent the air bearing surface; a near field transducer including a peg region and an adjacent disk region, wherein the peg region is adjacent the air bearing surface; a heat sink; and an optical waveguide including a top cladding layer and a core layer, wherein the heat sink is positioned between the magnetic write pole and the near field transducer and the near field transducer is positioned between the optical waveguide and the heat sink, and wherein at least a portion of at least one of the heat sink, the optical waveguide, or the write pole includes beryllium oxide (BeO).

    Abstract translation: 具有空气轴承表面的装置，该装置包括邻近空气轴承表面定位的磁性写入磁极; 包括钉区域和相邻盘区域的近场换能器，其中所述钉区域邻近所述空气支承表面; 散热器 以及包括顶部包覆层和芯层的光波导，其中所述散热器位于所述磁性写入极和所述近场换能器之间，并且所述近场换能器位于所述光波导和所述散热器之间，并且其中至少 散热器，光波导或写极中的至少一个的一部分包括氧化铍（BeO）。

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