Heat assisted magnetic recording heads having bilayer heat sinks
    52.
    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

    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。

    Recording head including a near field transducer
    53.
    发明授权
    Recording head including a near field transducer 有权
    记录头包括近场传感器

    公开(公告)号:US08842391B2

    公开(公告)日:2014-09-23

    申请号:US14062675

    申请日:2013-10-24

    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。

    HAMR NFT MATERIALS WITH IMPROVED THERMAL STABILITY
    54.
    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

    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。

    NEAR FIELD TRANSDUCERS (NFTS) AND METHODS OF FORMING NFTS

    公开(公告)号:US20190153590A1

    公开(公告)日:2019-05-23

    申请号:US16260925

    申请日:2019-01-29

    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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