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    Heat assisted magnetic recording heads having bilayer heat sinks
    53.
    发明授权
    Heat assisted magnetic recording heads having bilayer heat sinks 有权
    具有双层散热片的热辅助磁记录头

    公开(公告)号：US08902719B2

    公开(公告)日：2014-12-02

    申请号：US13795616

    申请日：2013-03-12

    Applicant: Seagate Technology LLC

    Inventor： Tong Zhao ,  Ibro Tabakovic ,  Michael C. Kautzky ,  Venkatram Venkatasamy ,  Jie Gong

    IPC: G11B11/00 ,  G11B5/60 ,  G11B5/31 ,  G11B13/04 ,  G11B5/00

    CPC classification number: G11B5/314 ,  G11B5/6088 ,  G11B13/04 ,  G11B2005/0021

    Abstract: Disclosed herein is an apparatus that includes a near field transducer positioned adjacent to an air bearing surface of the apparatus; a first magnetic pole; and a heat sink positioned between the first magnetic pole and the near field transducer, wherein the heat sink includes a first and second portion, with the first portion being adjacent the near field transducer and the second portion being adjacent the first magnetic pole, the first portion including a plasmonic material, and the second portion including a diffusion blocking material.

    Abstract translation: 本文公开了一种装置，其包括邻近设备的空气轴承表面定位的近场换能器; 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第一和第二部分，所述第一部分与所述近场换能器相邻，并且所述第二部分与所述第一磁极相邻，所述第一部分 部分包括等离子体激元材料，第二部分包括扩散阻挡材料。

    HAMR NFT MATERIALS WITH IMPROVED THERMAL STABILITY
    55.
    发明申请
    HAMR NFT MATERIALS WITH IMPROVED THERMAL STABILITY 有权
    具有改进的热稳定性的HAMR NFT材料

    公开(公告)号：US20130286799A1

    公开(公告)日：2013-10-31

    申请号：US13795643

    申请日：2013-03-12

    Applicant: SEAGATE TECHNOLOGY LLC

    Inventor： Meng Zhu ,  Tong Zhao ,  Steven C. Riemer ,  Michael C. Kautzky

    IPC: G11B13/08

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

    Abstract: An apparatus that includes a near field transducer, the near field transducer including silver (Ag) and at least one other element or compound, wherein the at least one other element or compound is selected from: copper (Cu), palladium (Pd), gold (Au), zirconium (Zr), zirconium oxide (ZrO), platinum (Pt), geranium (Ge), nickel (Ni), tungsten (W), cobalt (Co), rhodium (Rh), ruthenium (Ru), tantalum (Ta), chromium (Cr), aluminum (Al), vanadium (V), iridium (Ir), titanium (Ti), magnesium (Mg), iron (Fe), molybdenum (Mo), silicon (Si), or combinations thereof oxides of V, Zr, Mg, calcium (Ca), Al, Ti, Si, cesium (Ce), yttrium (Y), Ta, W or thorium (Th), Co, or combinations thereof; or nitrides of Ta, Al, Ti, Si, indium (In), Fe, Zr, Cu, W, boron (B), halfnium (Hf), or combinations thereof.

    Abstract translation: 一种包括近场换能器的装置，所述近场换能器包括银（Ag）和至少一种其它元素或化合物，其中所述至少一种其它元素或化合物选自：铜（Cu），钯（Pd） 金（Au），锆（Zr），氧化锆（ZrO），铂（Pt），天竺葵（Ge），镍（Ni），钨（W），钴（Co），铑（Rh） ，钽（Ta），铬（Cr），铝（Al），钒（V），铱（Ir），钛（Ti），镁（Mg） ，或其组合的V，Zr，Mg，钙（Ca），Al，Ti，Si，铯（Ce），钇（Y），Ta，W或钍（Th） 或Ta，Al，Ti，Si，铟（In），Fe，Zr，Cu，W，硼（B），铪（Hf）或其组合的氮化物。

    Methods of forming materials
    57.
    发明授权
    Methods of forming materials 有权

    公开(公告)号：US11164600B1

    公开(公告)日：2021-11-02

    申请号：US16551085

    申请日：2019-08-26

    Applicant: SEAGATE TECHNOLOGY LLC

    Inventor： Tong Zhao ,  Michael C. Kautzky ,  Lance Nevala

    IPC: G11B5/31 ,  G11B5/147 ,  G11B5/00 ,  G11B13/08 ,  C30B19/08 ,  C30B29/08 ,  C30B29/02

    Abstract: Methods of forming a near field transducer (NFT), the methods including the steps of depositing plasmonic material on a substrate; laser annealing at least a portion of the deposited plasmonic material at a wavelength from 100 nm to 2.0 micrometers (μm) to induce liquid phase epitaxy (LPE) in the annealed deposited plasmonic material to form a epitaxially modified plasmonic material; and forming a NFT from at least a portion of the epitaxially modified plasmonic material are disclosed as well as other methods and devices such as those formed.

    Near-field transducer having secondary atom higher concentration at bottom of the peg
    58.
    发明授权
    Near-field transducer having secondary atom higher concentration at bottom of the peg 有权

    公开(公告)号：US11162169B2

    公开(公告)日：2021-11-02

    申请号：US16726512

    申请日：2019-12-24

    Applicant: Seagate Technology LLC

    Inventor： Tong Zhao ,  Michael C. Kautzky ,  Sarbeswar Sahoo ,  Justin Brons ,  Jie Gong ,  Yuhang Cheng

    IPC: C23C14/58 ,  G11B5/31 ,  G11B5/00 ,  G11B5/60

    Abstract: Devices having an air bearing surface (ABS), the device including a near field transducer, the near field transducer having a peg and a disc, the peg having a region adjacent the ABS, the peg including a plasmonic material selected from gold (Au), silver (Ag), copper (Cu), ruthenium (Ru), rhodium (Rh), aluminum (Al), or combinations thereof; and at least one other secondary atom selected from germanium (Ge), tellurium (Te), aluminum (Al), antimony (Sb), tin (Sn), mercury (Hg), indium (In), zinc (Zn), iron (Fe), copper (Cu), manganese (Mn), silver (Ag), chromium (Cr), cobalt (Co), and combinations thereof, wherein a concentration of the secondary atom is higher at the region of the peg adjacent the ABS than a concentration of the secondary atom throughout the bulk of the peg. Methods of forming NFTs are also disclosed.

    Near field transducer having secondary atom higher concentration at bottom of the peg
    60.
    发明授权
    Near field transducer having secondary atom higher concentration at bottom of the peg 有权

    公开(公告)号：US10519540B2

    公开(公告)日：2019-12-31

    申请号：US16260925

    申请日：2019-01-29

    Applicant: SEAGATE TECHNOLOGY LLC

    Inventor： Tong Zhao ,  Michael C. Kautzky ,  Sarbeswar Sahoo ,  Justin Brons ,  Jie Gong ,  Yuhang Cheng

    IPC: G11B11/105 ,  C23C14/58 ,  G11B5/31 ,  G11B5/00 ,  G11B5/60

    Abstract: Devices having an air bearing surface (ABS), the device including a near field transducer, the near field transducer having a peg and a disc, the peg having a region adjacent the ABS, the peg including a plasmonic material selected from gold (Au), silver (Ag), copper (Cu), ruthenium (Ru), rhodium (Rh), aluminum (Al), or combinations thereof; and at least one other secondary atom selected from germanium (Ge), tellurium (Te), aluminum (Al), antimony (Sb), tin (Sn), mercury (Hg), indium (In), zinc (Zn), iron (Fe), copper (Cu), manganese (Mn), silver (Ag), chromium (Cr), cobalt (Co), and combinations thereof, wherein a concentration of the secondary atom is higher at the region of the peg adjacent the ABS than a concentration of the secondary atom throughout the bulk of the peg. Methods of forming NFTs are also disclosed.

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