JP5868030B2 - 熱アシスト垂直磁気記録装置および熱アシスト垂直磁気記録方法 - Google Patents

熱アシスト垂直磁気記録装置および熱アシスト垂直磁気記録方法 Download PDF

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JP5868030B2
JP5868030B2 JP2011120968A JP2011120968A JP5868030B2 JP 5868030 B2 JP5868030 B2 JP 5868030B2 JP 2011120968 A JP2011120968 A JP 2011120968A JP 2011120968 A JP2011120968 A JP 2011120968A JP 5868030 B2 JP5868030 B2 JP 5868030B2
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JP2011248993A (ja
JP2011248993A5 (enExample
Inventor
旭輝 金
旭輝 金
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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    • 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
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
    • 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
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0005—Arrangements, methods or circuits
    • G11B2005/001—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure
    • 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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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Magnetic Heads (AREA)
JP2011120968A 2010-05-28 2011-05-30 熱アシスト垂直磁気記録装置および熱アシスト垂直磁気記録方法 Expired - Fee Related JP5868030B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/802,082 2010-05-28
US12/802,082 US8630152B2 (en) 2010-05-28 2010-05-28 3-D self-focusing gap plasmon generator for TAMR

Related Child Applications (1)

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JP2015225598A Division JP6199944B2 (ja) 2010-05-28 2015-11-18 熱アシスト垂直磁気記録装置および熱アシスト垂直磁気記録方法

Publications (3)

Publication Number Publication Date
JP2011248993A JP2011248993A (ja) 2011-12-08
JP2011248993A5 JP2011248993A5 (enExample) 2014-10-16
JP5868030B2 true JP5868030B2 (ja) 2016-02-24

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JP2011120968A Expired - Fee Related JP5868030B2 (ja) 2010-05-28 2011-05-30 熱アシスト垂直磁気記録装置および熱アシスト垂直磁気記録方法
JP2015225598A Expired - Fee Related JP6199944B2 (ja) 2010-05-28 2015-11-18 熱アシスト垂直磁気記録装置および熱アシスト垂直磁気記録方法

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JP2015225598A Expired - Fee Related JP6199944B2 (ja) 2010-05-28 2015-11-18 熱アシスト垂直磁気記録装置および熱アシスト垂直磁気記録方法

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US (1) US8630152B2 (enExample)
JP (2) JP5868030B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8755256B2 (en) * 2012-11-14 2014-06-17 Headway Technologies, Inc. Plasmon resonator with dual waveguide excitation for TAMR
US8787129B1 (en) * 2013-03-05 2014-07-22 Headway Technologies, Inc. Polarization rotator for thermally assisted magnetic recording
US8760809B1 (en) * 2013-05-13 2014-06-24 Headway Technologies, Inc. Thermally-assisted magnetic recording head having a plasmon generator
US9153255B1 (en) * 2014-03-05 2015-10-06 Western Digital (Fremont), Llc Method for fabricating a magnetic writer having an asymmetric gap and shields
US9343087B1 (en) 2014-12-21 2016-05-17 Western Digital (Fremont), Llc Method for fabricating a magnetic writer having half shields
US10403313B1 (en) * 2017-06-09 2019-09-03 Seagate Technology Llc Heat-assisted magnetic recording head having a trench on aperture waveguide output end

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7042810B2 (en) 2000-01-31 2006-05-09 Kabushiki Kaisha Toshiba Thermally-assisted magnetic recording head, method of manufacturing the same, and thermally-assisted magnetic recording apparatus
US7359598B2 (en) 2001-11-10 2008-04-15 Seoul National University Industry Foundation Surface plasmon optic devices and radiating surface plasmon sources for photolithography
JP2007335027A (ja) * 2006-06-16 2007-12-27 Tdk Corp 熱アシスト磁気記録用光源ユニット
JP2008059696A (ja) 2006-08-31 2008-03-13 Tdk Corp 熱アシスト磁気ヘッド
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
US7440660B1 (en) * 2007-10-16 2008-10-21 Seagate Technology Llc Transducer for heat assisted magnetic recording
US7706654B2 (en) 2007-11-05 2010-04-27 Seagate Technology Llc Integrated device for heat assisted magnetic recording
US7835101B2 (en) * 2008-08-20 2010-11-16 Tdk Corporation Planar plasmon antenna for use in near-field recording
US8335052B2 (en) * 2008-09-25 2012-12-18 Tdk Corporation Plasmon antenna for thermally assisted magnetic head
US8000178B2 (en) * 2008-10-29 2011-08-16 Tdk Corporation Near-field light generating element utilizing surface plasmon
JP2010129148A (ja) * 2008-11-28 2010-06-10 Fujitsu Ltd ヘッド及び磁気記憶装置
US8107325B2 (en) * 2008-12-16 2012-01-31 Tdk Corporation Near-field light generating element comprising surface plasmon antenna with surface or edge opposed to waveguide
US8116172B2 (en) * 2009-02-09 2012-02-14 Tdk Corporation Near-field light generating device including surface plasmon generating element
US8243560B2 (en) * 2009-12-23 2012-08-14 Headway Technologies, Inc. Heat-assisted magnetic recording head including internal mirrors of first and second inclined surfaces
US8149654B2 (en) * 2010-03-23 2012-04-03 Tdk Corporation Wave guide that attenuates evanescent light of higher order TM mode

Also Published As

Publication number Publication date
JP6199944B2 (ja) 2017-09-20
JP2011248993A (ja) 2011-12-08
US8630152B2 (en) 2014-01-14
JP2016040752A (ja) 2016-03-24
US20110292537A1 (en) 2011-12-01

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