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    Layered optical waveguide and near field transducer
    131.
    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
    135.
    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。

    DEVICES INCLUDING AT LEAST ONE ADHESION LAYER AND METHODS OF FORMING ADHESION LAYERS
    136.
    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。

    RECORDING HEAD INCLUDING A NEAR FIELD TRANSDUCER
    139.
    发明申请
    RECORDING HEAD INCLUDING A NEAR FIELD TRANSDUCER 有权
    记录头包括一个近场传感器

    公开(公告)号：US20140050058A1

    公开(公告)日：2014-02-20

    申请号：US14062675

    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: G11B11/105

    CPC classification number: G11B11/10534 ,  G11B5/3106 ,  G11B5/3133 ,  G11B5/3136 ,  G11B5/314 ,  G11B2005/0021

    Abstract: An apparatus including a near field transducer positioned adjacent to an air bearing surface, the near field transducer including an electrically conductive nitride; a first magnetic pole; and a heat sink, a diffusion barrier layer, or both positioned between the first magnetic pole and the near field transducer, wherein the heat sink, the diffusion barrier or both include 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: 一种包括邻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导电氮化物; 第一个磁极; 以及位于第一磁极和近场换能器之间的散热器，扩散阻挡层或两者，其中散热器，扩散阻挡层或二者均包括铑（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。

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