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公开(公告)号：US09082421B2
公开(公告)日：2015-07-14
申请号：US14013866
申请日：2013-08-29
Applicant: Seagate Technology LLC
Inventor： Michael Kautzky , Venkateswara Inturi
IPC: G11B5/11
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.
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。
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公开(公告)号：US10062401B1
公开(公告)日：2018-08-28
申请号：US15681808
申请日：2017-08-21
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Tong Zhao , Justin Brons , Michael Kautzky
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.
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Patent Agency Ranking
公开(公告)号：US20180090159A1
公开(公告)日：2018-03-29
申请号：US15828381
申请日：2017-11-30
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Tong Zhao , Yuhang Cheng , Martin Giles Blaber , Jie Gong , Edwin F. Rejda , Michael A. Seigler , Seung-Yeul Yang , Michael Kautzky , Yongjun Zhao , Justin Brons , Andrew J. Boyne , Kurt W. Wierman , Scott Franzen
CPC classification number: G11B5/314 , G11B5/012 , G11B5/127 , G11B5/1278 , G11B5/187 , G11B5/3106 , G11B5/3133 , G11B5/3136 , G11B5/3967 , G11B5/6088 , G11B2005/0021
Abstract: Devices having an air bearing surface (ABS) and including a write pole; a near field transducer (NFT) that includes a peg and a disc, wherein the peg includes a rear peg portion and a peg tip, the rear peg portion and the peg tip are different materials and the peg tip includes: one or more metals; one or more nanoparticles comprising oxides, nitrides, carbides or combinations thereof; one or more conducting oxides, conducting nitrides, conducting bromides, conducting carbides, or combinations thereof; one or more semiconductors; or combinations thereof.
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公开(公告)号：US09824709B2
公开(公告)日：2017-11-21
申请号：US15166785
申请日：2016-05-27
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Martin Blaber , Jie Gong , Dimitar Dimitrov , Steve Riemer , Michael Kautzky , Tong Zhao , Yongjun Zhao
CPC classification number: G11B5/6088 , G11B5/314 , G11B5/3163 , G11B2005/0021
Abstract: Devices having an air bearing surfaces (ABS), the devices including a near field transducer (NFT) that includes a disc having a front edge; a peg, the peg having a front surface at the air bearing surface of the apparatus, an opposing back surface, a top surface that extends from the front surface to the back surface, two side surfaces that expend from the front surface to the back surface and a bottom surface that extends from the front surface to the back surface; and a barrier layer, the barrier layer separating at least the back surface of the peg from the disc and the barrier layer having a thickness from 10 nm to 50 nm.
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公开(公告)号：US09672848B2
公开(公告)日：2017-06-06
申请号：US15167233
申请日：2016-05-27
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Martin Blaber , Tong Zhao , Justin Brons , Michael Kautzky
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.
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公开(公告)号：US20160351211A1
公开(公告)日：2016-12-01
申请号：US15167233
申请日：2016-05-27
Applicant: SEAGATE TECHNOLOGY LLC
Inventor： Martin Blaber , Tong Zhao , Justin Brons , Michael Kautzky
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.
Abstract translation: 具有空气轴承表面（ABS）的装置，所述装置包括近场换能器（NFT），其包括被配置为将入射到其上的光子转换成等离子体的盘; 以及钉构造成将从所述盘耦合的等离子体信号耦合到相邻的磁存储介质中，其中所述钉的一部分，所述盘的一部分或所述钉和所述盘的一部分中的至少一个包括多层结构，所述多层结构包括 至少两层，包括至少一层第一材料和至少一层第二材料，其中所述第一材料和所述第二材料不相同，并且其中所述第一和第二材料独立地包括铝（Al）， 锑（Sb），铋（Bi），硼（B），钡（Ba），钙（Ca），铈（Ce），铬（Cr） 钆（Gd），镓（Ga），锗（Ge），金（Au），铪（Hf），铟（In），铱（Ir），铁（Fe），镧（La） 锰（Mo），镍（Ni），铌（Nb），锇（Os），钯（Pd），铂（Pt），铼（Re），铑（Rh），钌（Ru） 钪（Sc），硅（Si），银（Ag），锶（S r），钽（Ta），钍（Th），锡（Sn），钛（Ti），钒（V），钨（W），镱（Yb），钇（Y），锆（Zr） 其中。
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公开(公告)号：US20150062756A1
公开(公告)日：2015-03-05
申请号：US14013866
申请日：2013-08-29
Applicant: Seagate Technology LLC
Inventor： Michael Kautzky , Venkateswara Inturi
IPC: G11B5/11
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.
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。
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