JP5934084B2 - 熱アシスト磁気記録ヘッドおよび平面プラズモンジェネレータ - Google Patents

熱アシスト磁気記録ヘッドおよび平面プラズモンジェネレータ Download PDF

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Publication number
JP5934084B2
JP5934084B2 JP2012271504A JP2012271504A JP5934084B2 JP 5934084 B2 JP5934084 B2 JP 5934084B2 JP 2012271504 A JP2012271504 A JP 2012271504A JP 2012271504 A JP2012271504 A JP 2012271504A JP 5934084 B2 JP5934084 B2 JP 5934084B2
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magnetic recording
layer
peg
abs
recording head
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JP2012271504A
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Japanese (ja)
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JP2013122811A (ja
JP2013122811A5 (enExample
Inventor
旭輝 金
旭輝 金
マレスキー トバイアス
マレスキー トバイアス
▲蘇▼平 宋
▲蘇▼平 宋
大雨 周
大雨 周
スミス ジョー
スミス ジョー
ドベク モリス
ドベク モリス
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ヘッドウェイテクノロジーズ インコーポレイテッド
ヘッドウェイテクノロジーズ インコーポレイテッド
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Publication of JP2013122811A5 publication Critical patent/JP2013122811A5/ja
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/313—Disposition of layers
    • G11B5/3133—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure
    • G11B5/314—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure where the layers are extra layers normally not provided in the transducing structure, e.g. optical layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
    • G11B5/6088—Optical waveguide in or on flying head
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0005—Arrangements, methods or circuits
    • G11B2005/0021—Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Magnetic Heads (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
JP2012271504A 2011-12-12 2012-12-12 熱アシスト磁気記録ヘッドおよび平面プラズモンジェネレータ Expired - Fee Related JP5934084B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/316,989 US8599656B2 (en) 2011-12-12 2011-12-12 Planar plasmon generator with a scalable feature for TAMR
US13/316,989 2011-12-12

Publications (3)

Publication Number Publication Date
JP2013122811A JP2013122811A (ja) 2013-06-20
JP2013122811A5 JP2013122811A5 (enExample) 2016-02-04
JP5934084B2 true JP5934084B2 (ja) 2016-06-15

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Family Applications (1)

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JP2012271504A Expired - Fee Related JP5934084B2 (ja) 2011-12-12 2012-12-12 熱アシスト磁気記録ヘッドおよび平面プラズモンジェネレータ

Country Status (2)

Country Link
US (1) US8599656B2 (enExample)
JP (1) JP5934084B2 (enExample)

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US8654618B1 (en) * 2012-09-14 2014-02-18 Headway Technologies, Inc. TAMR structure with HDI sensor for head-disk interference and temperature rise sensing
US8630153B1 (en) 2012-11-05 2014-01-14 Headway Technologies, Inc. TAMR writer with a concave leading shield for enhanced field magnitude
US8711663B1 (en) * 2013-02-26 2014-04-29 Headway Technologies, Inc. Plasmon generator includes three metal layers for thermally-assisted magnetic recording
US8861138B2 (en) * 2013-03-18 2014-10-14 Headway Technologies, Inc. Multilayer plasmon generator
US8830799B1 (en) 2013-03-18 2014-09-09 Headway Technologies, Inc. Near-field light generator and thermally-assisted magnetic recording head
US8830800B1 (en) * 2013-06-21 2014-09-09 Seagate Technology Llc Magnetic devices including film structures
US8971161B2 (en) 2013-06-24 2015-03-03 Seagate Technology Llc Devices including at least one adhesion layer and methods of forming adhesion layers
US8867170B1 (en) 2013-07-15 2014-10-21 Headway Technologies, Inc. Multilayer plasmon generator
US9384770B2 (en) * 2013-08-07 2016-07-05 Seagate Technology Llc Near-field transducer with enlarged region, peg region, and heat sink region
US9129626B2 (en) 2013-10-24 2015-09-08 Seagate Technology Llc Near-field transducer with rounded or obtuse corners
US9263074B2 (en) 2013-11-08 2016-02-16 Seagate Technology Llc Devices including at least one adhesion layer
US9548076B2 (en) 2013-11-08 2017-01-17 Seagate Technology Llc Magnetic devices with overcoats
US9691423B2 (en) 2013-11-08 2017-06-27 Seagate Technology Llc Devices including at least one adhesion layer and methods of forming adhesion layers
US9202491B2 (en) * 2014-03-31 2015-12-01 Seagate Technology Llc Planar plasmon generator with thickened region and peg region
US9019803B1 (en) 2014-05-02 2015-04-28 Headway Technologies, Inc. Laminated plasmon generator with cavity process
US9666220B2 (en) 2014-05-25 2017-05-30 Seagate Technology Llc Devices including a near field transducer and at least one associated adhesion layer
US8947986B1 (en) * 2014-09-03 2015-02-03 Headway Technologies, Inc. Heat sink for thermally assisted magnetic recording (TAMR)
US9147427B1 (en) 2014-10-31 2015-09-29 Seagate Technology Llc Near-field transducer with multiple heat sinks
US9449626B2 (en) * 2014-11-07 2016-09-20 Seagate Technology Llc Structure positioned between magnetic pole and near-field transducer
US10102872B2 (en) 2015-03-24 2018-10-16 Seagate Technology Llc Devices including at least one multilayer adhesion layer
US9928859B2 (en) 2015-05-28 2018-03-27 Seagate Technology Llc Near field transducers (NFTS) and methods of making
WO2016191707A1 (en) 2015-05-28 2016-12-01 Seagate Technology Llc Multipiece near field transducers (nfts)
US9620152B2 (en) 2015-05-28 2017-04-11 Seagate Technology Llc Near field transducers (NFTS) and methods of making
US9721593B2 (en) 2015-05-28 2017-08-01 Seagate Technology Llc Near field transducer (NFT) including peg and disc of different materials
US9824709B2 (en) 2015-05-28 2017-11-21 Seagate Technology Llc Near field transducers (NFTS) including barrier layer and methods of forming
US9741381B1 (en) * 2015-05-28 2017-08-22 Seagate Technology Llc Near field transducers (NFTs) including a protective layer and methods of forming
US9269380B1 (en) 2015-07-10 2016-02-23 Seagate Technology Llc Devices including a near field transducer (NFT), at least one cladding layer and interlayer there between
US9972346B2 (en) 2016-02-27 2018-05-15 Seagate Technology Llc NFT with mechanically robust materials
US9852752B1 (en) 2016-08-12 2017-12-26 Headway Technologies, Inc. Plasmon generator with metallic waveguide blocker for TAMR
US10249333B2 (en) 2017-08-25 2019-04-02 Headway Technologies, Inc. Single Rh layer optical field enhancer with pre-focusing structures
US10332553B1 (en) 2017-12-29 2019-06-25 Headway Technologies, Inc. Double ridge near-field transducers
US10186288B1 (en) 2018-04-30 2019-01-22 Headway Technologies, Inc. Method of fabricating single Rh layer optical field enhancer with pre-focusing structures
US11011192B1 (en) 2020-02-25 2021-05-18 Headway Technologies, Inc. Method of building self-aligned optical side shield structure
US11380354B2 (en) * 2020-04-22 2022-07-05 Seagate Technology Llc Heat-assisted magnetic recording head having near-field transducer with sunken plasmonic plate

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US7596072B2 (en) 2004-12-22 2009-09-29 Seagate Technology Llc Optical recording using a waveguide structure and a phase change medium
JP2008059696A (ja) 2006-08-31 2008-03-13 Tdk Corp 熱アシスト磁気ヘッド
JP2008059697A (ja) 2006-08-31 2008-03-13 Tdk Corp 熱アシスト磁気ヘッド、ヘッドジンバルアセンブリ及びハードディスク装置
JP2008159192A (ja) 2006-12-25 2008-07-10 Tdk Corp 近接場光発生板、熱アシスト磁気ヘッド、ヘッドジンバルアセンブリ、及び、ハードディスク装置
JP5134310B2 (ja) * 2007-08-31 2013-01-30 エイチジーエスティーネザーランドビーブイ 磁気ヘッドスライダ
US8031433B2 (en) * 2008-09-05 2011-10-04 Headway Technologies, Inc. Method to make an integrated side shield PMR head with non conformal side gap
US8000178B2 (en) * 2008-10-29 2011-08-16 Tdk Corporation Near-field light generating element utilizing surface plasmon
US8116172B2 (en) * 2009-02-09 2012-02-14 Tdk Corporation Near-field light generating device including surface plasmon generating element
US8233358B2 (en) * 2009-06-15 2012-07-31 Headway Technologies, Inc. Plasmon antenna with magnetic core for thermally assisted magnetic recording
US8223596B2 (en) 2009-10-19 2012-07-17 Tdk Corporation Thermally-assisted magnetic recording head with plane-emission type light source
JP5189113B2 (ja) * 2010-01-14 2013-04-24 株式会社日立製作所 熱アシスト磁気記録ヘッド及び熱アシスト磁気記録装置
US8208349B2 (en) * 2010-01-15 2012-06-26 Tdk Corporation Thermally-assisted magnetic recording head having a gap between propagation edge and magnetic pole
US8369203B2 (en) 2010-02-25 2013-02-05 Tdk Corporation Thermally-assisted magnetic recording head having concave core at light entrance surface
US8416649B2 (en) * 2010-05-11 2013-04-09 Headway Technologies, Inc. Main pole design for thermally assisted magnetic recording
US8391108B2 (en) * 2010-08-12 2013-03-05 Seagate Technology Llc Hybrid near-field transducer for heat assisted magnetic recording
US8351308B2 (en) * 2010-09-28 2013-01-08 Tdk Corporation Thermally assisted magnetic recording head having V-shaped plasmon generator
US8248890B2 (en) * 2010-11-15 2012-08-21 Tdk Corporation Thermally-assisted head including surface-plasmon resonant optical system
US8432773B2 (en) * 2010-12-08 2013-04-30 Tdk Corporation Thermally-assisted magnetic head having bank layer between magnetic pole and plasmon generator
US8305849B2 (en) * 2011-01-25 2012-11-06 Tdk Corporation Thermally-assisted magnetic head
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US8488419B1 (en) * 2012-07-13 2013-07-16 Headway Technologies, Inc. Hybrid plasmon generator structure and process

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Publication number Publication date
JP2013122811A (ja) 2013-06-20
US8599656B2 (en) 2013-12-03
US20130148485A1 (en) 2013-06-13

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