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    MULTIPIECE NEAR FIELD TRANSDUCERS (NFTS)
    13.
    发明申请
    MULTIPIECE NEAR FIELD TRANSDUCERS (NFTS) 审中-公开

    公开(公告)号：US20170316793A1

    公开(公告)日：2017-11-02

    申请号：US15613393

    申请日：2017-06-05

    Applicant: SEAGATE TECHNOLOGY LLC

    Inventor： Martin Blaber ,  Tong Zhao ,  Justin Brons ,  Michael Kautzky

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

    CPC classification number: G11B5/314 ,  G11B5/3163 ,  G11B5/6082 ,  G11B5/6088 ,  G11B2005/0021

    Abstract: Devices having air bearing surfaces (ABS), the devices including a near field transducer (NFT) that includes a disc configured to convert photons incident thereon into plasmons; and a peg configured to couple plasmons coupled from the disc into an adjacent magnetic storage medium, wherein at least one of a portion of the peg, a portion of the disc, or a portion of both the peg and the disc include a multilayer structure including at least two layers including at least one layer of a first material and at least one layer of a second material, wherein the first material and the second material are not the same and wherein the first and the second materials independently include aluminum (Al), antimony (Sb), bismuth (Bi), boron (B), barium (Ba), calcium (Ca), cerium (Ce), chromium (Cr), cobalt (Co), copper (Cu), erbium (Er), gadolinium (Gd), gallium (Ga), germanium (Ge), gold (Au), hafnium (Hf), indium (In), iridium (Ir), iron (Fe), lanthanum (La), magnesium (Mg), manganese (Mn), molybdenum (Mo), nickel (Ni), niobium (Nb), osmium (Os), palladium (Pd), platinum (Pt), rhenium (Re), rhodium (Rh), ruthenium (Ru), scandium (Sc), silicon (Si), silver (Ag), strontium (Sr), tantalum (Ta), thorium (Th), tin (Sn), titanium (Ti), vanadium (V), tungsten (W), ytterbium (Yb), yttrium (Y), zirconium (Zr), or combinations thereof.

    Near field transducers (NFTs) including a protective layer and methods of forming
    14.
    发明授权
    Near field transducers (NFTs) including a protective layer and methods of forming 有权

    公开(公告)号：US09741381B1

    公开(公告)日：2017-08-22

    申请号：US15166774

    申请日：2016-05-27

    Applicant: SEAGATE TECHNOLOGY LLC

    Inventor： Tong Zhao ,  Justin Brons ,  Michael Kautzky

    IPC: G11B11/00 ,  G11B5/60 ,  G11B5/00

    CPC classification number: G11B5/6082 ,  G11B5/187 ,  G11B5/3106 ,  G11B5/40 ,  G11B2005/0021

    Abstract: Devices having air bearing surfaces (ABS), the devices include a near field transducer (NFT) that includes a disc; a peg, the peg including gold (Au), silver (Ag), copper (Cu), aluminum (Al), rhodium (Rh), iridium (Ir), or combinations thereof; and the peg having a front surface at the air bearing surface of the device, an opposing back surface, a top surface that extends from the front surface to the back surface, two side surfaces that extend from the front surface to the back surface and a bottom surface that extends from the front surface to the back surface; and a protective layer disposed on at least one surface of the peg, the protective layer comprising an oxide of a metal that has a higher oxidation tendency than that of the material of the peg.

    DEVICES INCLUDING A DIFUSSION BARRIER LAYER
    15.
    发明申请
    DEVICES INCLUDING A DIFUSSION BARRIER LAYER 有权
    包括扩散障碍层的设备

    公开(公告)号：US20160275979A1

    公开(公告)日：2016-09-22

    申请号：US15060914

    申请日：2016-03-04

    Applicant: SEAGATE TECHNOLOGY LLC

    Inventor： Sarbeswar Sahoo ,  Martin Blaber ,  Hui Brickner ,  Tong Zhao ,  Yuhang Cheng ,  John Duda ,  Tae-Woo Lee

    IPC: G11B5/60 ,  G11B5/31

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

    Abstract: Devices having an air bearing surface (ABS), the devices including a write pole; a near field transducer (NFT) that includes a peg and a disc, wherein the peg is at the ABS of the device; a heat sink positioned adjacent the disc of the NFT; a dielectric gap positioned adjacent the peg of the NFT at the ABS of the device; and a conformal diffusion barrier layer positioned between the write pole and the dielectric gap, the disc, and the heat sink, wherein the conformal diffusion barrier layer forms at least one angle that is not greater than 135°.

    Abstract translation: 具有空气轴承表面（ABS）的装置，该装置包括一个写柱; 包括钉和盘的近场换能器（NFT），其中所述栓在所述装置的ABS处; 靠近NFT盘的散热片; 位于设备的ABS处的与NFT的钉相邻的电介质间隙; 以及位于写极和电介质间隙之间的适形扩散阻挡层，盘和散热器，其中，共形扩散阻挡层形成至少一个不大于135°的角度。

    DEVICES INCLUDING A NEAR FIELD TRANSDUCER AND AT LEAST ONE ASSOCIATED ADHESION LAYER
    16.
    发明申请
    DEVICES INCLUDING A NEAR FIELD TRANSDUCER AND AT LEAST ONE ASSOCIATED ADHESION LAYER 有权
    包括近场传感器和至少一个相关粘结层的装置

    公开(公告)号：US20150340052A1

    公开(公告)日：2015-11-26

    申请号：US14720901

    申请日：2015-05-25

    Applicant: SEAGATE TECHNOLOGY LLC

    Inventor： Vijay Karthik Sankar ,  Tong Zhao ,  Yongjun Zhao ,  Michael C. Kautzky ,  Hui Brickner ,  Sarbeswar Sahoo

    IPC: G11B5/48

    CPC classification number: G11B5/6088 ,  G11B5/31 ,  G11B5/3116 ,  G11B5/313 ,  G11B5/314 ,  G11B5/3163 ,  G11B7/24059 ,  G11B2005/0021

    Abstract: Devices that include a near field transducer (NFT), the NFT having a disc and a peg, and the peg having five surfaces thereof; and at least one adhesion layer positioned on at least one of the five surfaces of the peg, the adhesion layer including one or more of the following: yttrium (Y), tin (Sn), iron (Fe), copper (Cu), carbon (C), holmium (Ho), gallium (Ga), silver (Ag), ytterbium (Yb), chromium (Cr), tantalum (Ta), iridium (Ir), zirconium (Zr), yttrium (Y), scandium (Sc), cobalt (Co), silicon (Si), nickel (Ni), molybdenum (Mo), niobium (Nb), palladium (Pd), titanium (Ti), rhenium (Re), osmium (Os), platinum (Pt), aluminum (Al), ruthenium (Ru), rhodium (Rh), vanadium (V), germanium (Ge), tin (Sn), magnesium (Mg), iron (Fe), copper (Cu), tungsten (W), hafnium (Hf), carbon (C), boron (B), holmium (Ho), antimony (Sb), gallium (Ga), manganese (Mn), silver (Ag), indium (In), bismuth (Bi), zinc (Zn), ytterbium (Yb), 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五个表面的钉; 以及至少一个位于所述栓的五个表面中的至少一个上的粘合层，所述粘合层包括以下中的一种或多种：钇（Y），锡（Sn），铁（Fe），铜（Cu） 碳（C），钬（Ho），镓（Ga），银（Ag），镱（Yb），铬（Cr），钽（Ta），铱（Ir），锆（Zr），钇（Y） 钪（Sc），钴（Co），硅（Si），镍（Ni），钼（Mo），铌（Nb），钯（Pd），钛（Ti），铼（Re），锇（Os） 铂（Pt），铝（Al），钌（Ru），铑（Rh），钒（V），锗（Ge），锡（Sn），镁（Mg），铁（Fe），铜（Cu） 钨（W），铪（Hf），碳（C），硼（B），钬（Ho），锑（Sb），镓（Ga），锰（Mn） 铋（Bi），锌（Zn），镱（Yb）及其组合。

    Devices including at least one adhesion layer and methods of forming adhesion layers
    17.
    发明授权
    Devices including at least one adhesion layer and methods of forming adhesion layers 有权
    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：US09129620B2

    公开(公告)日：2015-09-08

    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: G11B11/00 ,  G11B5/31 ,  G11B5/60 ,  G11B5/00 ,  G11B7/1387

    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。

    Near field transducer and heat sink design for heat assisted magnetic recording
    18.
    发明授权
    Near field transducer and heat sink design for heat assisted magnetic recording 有权
    用于热辅助磁记录的近场传感器和散热器设计

    公开(公告)号：US09064515B2

    公开(公告)日：2015-06-23

    申请号：US14286279

    申请日：2014-05-23

    Applicant: Seagate Technology LLC

    Inventor： Tong Zhao ,  John C. Duda ,  Michael Christopher Kautzky

    IPC: G11B11/00 ,  G11B5/48 ,  G11B5/31 ,  G11B13/08 ,  G11B5/187 ,  G11B5/127 ,  G11B5/60 ,  G11B5/00

    CPC classification number: G11B5/4866 ,  G11B5/127 ,  G11B5/1278 ,  G11B5/187 ,  G11B5/1871 ,  G11B5/3133 ,  G11B5/314 ,  G11B5/3163 ,  G11B5/6088 ,  G11B13/08 ,  G11B2005/0021 ,  Y10T29/49025 ,  Y10T29/49032

    Abstract: Apparatuses, systems, and methods are disclosed related to heat assisted magnetic recording. According to one embodiment, an apparatus that includes a heat sink region and a near field transducer region is disclosed. The near field transducer region is thermally coupled to the heat sink region. At least one of the heat sink region and the near field transducer region includes both an inner core and an outer shell. The inner core can be comprised of a non-plasmonic material and the outer shell can be comprised of a plasmonic material. In further embodiments, the inner core is comprised of a material having a relatively higher electron-phonon coupling constant and the outer shell is comprised of a material having a relatively lower electron-phonon coupling constant.

    Abstract translation: 公开了与热辅助磁记录相关的装置，系统和方法。 根据一个实施例，公开了一种包括散热片区域和近场换能器区域的装置。 近场换能器区域热耦合到散热片区域。 散热片区域和近场传感器区域中的至少一个包括内核和外壳两者。 内核可以由非等离子体激元材料组成，外壳可以由等离子体激元材料构成。 在另外的实施例中，内芯由具有相对较高的电子 - 声子耦合常数的材料构成，并且外壳由具有较低电子 - 声子耦合常数的材料组成。

    HEAT ASSISTED MAGNETIC RECORDING HEADS HAVING BILAYER HEAT SINKS
    19.
    发明申请
    HEAT ASSISTED MAGNETIC RECORDING HEADS HAVING BILAYER HEAT SINKS 审中-公开
    热辅助磁记录头具有双层加热槽

    公开(公告)号：US20150154989A1

    公开(公告)日：2015-06-04

    申请号：US14556472

    申请日：2014-12-01

    Applicant: SEAGATE TECHNOLOGY LLC

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

    IPC: G11B5/31

    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。

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