JP2011146097A5 - - Google Patents

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Publication number
JP2011146097A5
JP2011146097A5 JP2010006205A JP2010006205A JP2011146097A5 JP 2011146097 A5 JP2011146097 A5 JP 2011146097A5 JP 2010006205 A JP2010006205 A JP 2010006205A JP 2010006205 A JP2010006205 A JP 2010006205A JP 2011146097 A5 JP2011146097 A5 JP 2011146097A5
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JP
Japan
Prior art keywords
magnetic recording
recording head
heat
assisted magnetic
incident light
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JP2010006205A
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English (en)
Japanese (ja)
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JP5189113B2 (ja
JP2011146097A (ja
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Priority to JP2010006205A priority Critical patent/JP5189113B2/ja
Priority claimed from JP2010006205A external-priority patent/JP5189113B2/ja
Priority to US12/984,635 priority patent/US8705327B2/en
Publication of JP2011146097A publication Critical patent/JP2011146097A/ja
Publication of JP2011146097A5 publication Critical patent/JP2011146097A5/ja
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Expired - Fee Related legal-status Critical Current
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JP2010006205A 2010-01-14 2010-01-14 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 Expired - Fee Related JP5189113B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2010006205A JP5189113B2 (ja) 2010-01-14 2010-01-14 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
US12/984,635 US8705327B2 (en) 2010-01-14 2011-01-05 Head for thermal assisted magnetic recording device, and thermal assisted magnetic recording device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010006205A JP5189113B2 (ja) 2010-01-14 2010-01-14 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

Publications (3)

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JP2011146097A JP2011146097A (ja) 2011-07-28
JP2011146097A5 true JP2011146097A5 (https=) 2012-03-29
JP5189113B2 JP5189113B2 (ja) 2013-04-24

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JP2010006205A Expired - Fee Related JP5189113B2 (ja) 2010-01-14 2010-01-14 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

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US (1) US8705327B2 (https=)
JP (1) JP5189113B2 (https=)

Families Citing this family (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8406094B2 (en) * 2009-07-06 2013-03-26 Hitachi, Ltd. Heat-assisted recording head and heat-assisted recording device
US8284637B2 (en) * 2010-01-25 2012-10-09 Headway Technologies, Inc. Shaped plasmon generators for thermally-assisted magnetic recording
US8264919B2 (en) * 2010-02-25 2012-09-11 Tdk Corporation Thermal assisted magnetic recording head having spot size converter
US8374059B2 (en) * 2011-03-11 2013-02-12 Tdk Corporation Heat-assisted magnetic write head, head gimbals assembly, head arm assembly, and magnetic disk device
US8369189B2 (en) * 2011-04-14 2013-02-05 Headway Technologies, Inc. Heat assisted narrow pole design with trailing shield
JP5870509B2 (ja) * 2011-05-30 2016-03-01 ソニー株式会社 光源装置、光学ピックアップ、記録装置
US8416646B2 (en) * 2011-07-25 2013-04-09 HGST Netherlands B.V. Magnetic recording disk drive with shingled writing and rectangular optical waveguide for wide-area thermal assistance
US8514671B2 (en) * 2011-07-29 2013-08-20 Seagate Technology Llc Laser recess head gimbal assembly
US8787126B2 (en) * 2011-10-10 2014-07-22 Seagate Technology Llc Waveguide with blocking layer
US8576674B2 (en) 2011-10-27 2013-11-05 Headway Technologies, Inc. Plasmon generator including two portions made of different metals
US8451696B2 (en) * 2011-10-31 2013-05-28 HGST Netherlands B.V. Temperature sensor in a thermally assisted magnetic recording head
US8760978B2 (en) 2011-12-05 2014-06-24 HGST Netherlands B.V. Magnetic recording head and system having optical waveguide core and/or cladding of an alloyed oxide material
US8599656B2 (en) * 2011-12-12 2013-12-03 Headway Technologies, Inc. Planar plasmon generator with a scalable feature for TAMR
US8456968B1 (en) 2012-02-22 2013-06-04 Headway Technologies, Inc. Thermally-assisted magnetic recording head having dual heat sink layers
US20130223196A1 (en) 2012-02-23 2013-08-29 Seagate Technology Llc Plasmonic funnel for focused optical delivery to a metallic medium
JP5923364B2 (ja) * 2012-03-29 2016-05-24 株式会社日立ハイテクノロジーズ 熱アシスト磁気ヘッド素子検査方法及びその装置
WO2013163195A1 (en) * 2012-04-24 2013-10-31 Seagate Technology Llc Near field transducer with core and plasmonic outer layer
US8503270B1 (en) 2012-04-26 2013-08-06 Tdk Corporation Thermally-assisted magnetic recording head including a plasmon generator and a magnetic pole
US8488419B1 (en) * 2012-07-13 2013-07-16 Headway Technologies, Inc. Hybrid plasmon generator structure and process
JP6362309B2 (ja) * 2012-08-09 2018-07-25 株式会社イノバステラ 磁気ヘッド及び製造方法
US8619514B1 (en) * 2012-08-10 2013-12-31 HGST Netherlands B.V. Thermally-assisted recording (TAR) head with waveguide having tapered region coupled to near-field transducer
US8619516B1 (en) 2012-08-10 2013-12-31 HGST Netherlands B.V. Thermally-assisted recording (TAR) head with conductive layer between the near-field transducer and the write pole
US8619515B1 (en) 2012-08-10 2013-12-31 HGST Netherlands B.V. Thermally-assisted recording (TAR) head with reflection layer for near-field transducer
US8619518B1 (en) * 2012-08-15 2013-12-31 Headway Technologies, Inc. Thermally-assisted magnetic recording head having expanded near-field light generating layer and method of manufacture
JP5813609B2 (ja) 2012-09-28 2015-11-17 株式会社日立ハイテクノロジーズ 熱アシスト磁気ヘッド検査方法及び熱アシスト磁気ヘッド検査装置
US8638645B1 (en) * 2012-11-13 2014-01-28 Sae Magnetics (H.K.) Ltd. Thermally assisted magnetic head slider having plasmon unit formed with a recess
US8675457B1 (en) 2012-11-28 2014-03-18 Tdk Corporation Near-field light generator including a plasmon generator and a waveguide
US8711663B1 (en) 2013-02-26 2014-04-29 Headway Technologies, Inc. Plasmon generator includes three metal layers for thermally-assisted magnetic recording
US8923098B2 (en) * 2013-02-27 2014-12-30 Headway Technologies, Inc. Tilted structures to reduce reflection in laser-assisted TAMR
US8848494B2 (en) * 2013-03-04 2014-09-30 Headway Technologies Inc. Plasmon generator including two portions made of different metals
US9378757B2 (en) * 2013-03-07 2016-06-28 Seagate Technology Llc Methods of making a near field transducer with a flare peg
US9304253B2 (en) * 2013-03-07 2016-04-05 Seagate Technology Llc Near-field transducer with flare peg
US8830799B1 (en) 2013-03-18 2014-09-09 Headway Technologies, Inc. Near-field light generator and thermally-assisted magnetic recording head
US8861138B2 (en) 2013-03-18 2014-10-14 Headway Technologies, Inc. Multilayer plasmon generator
US8900466B2 (en) 2013-03-27 2014-12-02 Headway Technologies, Inc. Method of manufacturing a near-field light generator including a waveguide and a plasmon generator
US9640202B2 (en) 2013-04-03 2017-05-02 Headway Technologies, Inc. Method of manufacturing plasmon generator
US8760809B1 (en) 2013-05-13 2014-06-24 Headway Technologies, Inc. Thermally-assisted magnetic recording head having a plasmon generator
US9099117B2 (en) 2013-06-24 2015-08-04 Seagate Technology Llc Near-field transducer peg encapsulation
US20140376340A1 (en) 2013-06-24 2014-12-25 Seagate Technology Llc Peg only near-field transducer
US9275659B2 (en) 2013-06-24 2016-03-01 Seagate Technology Llc Peg only near-field transducer
US8867170B1 (en) 2013-07-15 2014-10-21 Headway Technologies, Inc. Multilayer plasmon generator
US9330702B2 (en) 2013-09-30 2016-05-03 Headway Technologies, Inc. Thermally-assisted magnetic recording head having a heat sink
US9236082B2 (en) 2013-11-01 2016-01-12 Headway Technologies, Inc. Near-field light generator including a waveguide and a plasmon generator
US9251819B2 (en) * 2013-11-12 2016-02-02 Seagate Technology Llc Mode converter coupling energy at a high-order transverse electric mode to a plasmonic transducer
US9202488B2 (en) * 2014-01-09 2015-12-01 Seagate Technology Llc Light blocker for stray light reduction within a slider
US9275658B2 (en) 2014-03-13 2016-03-01 Headway Technologies, Inc. Thermally-assisted magnetic recording head including a plasmon generator
US9322997B2 (en) 2014-03-25 2016-04-26 Seagate Technology Llc Branched waveguide configuration
US8902720B1 (en) 2014-04-17 2014-12-02 HGST Netherlands B.V. Heat-assisted magnetic recording (HAMR) write head with protective film for near-field transducer
US9218827B1 (en) 2014-07-18 2015-12-22 Headway Technologies, Inc. Thermally-assisted magnetic recording head including a return path section
US9218835B1 (en) 2014-09-02 2015-12-22 Headway Technologies, Inc. Thermally-assisted magnetic recording head including a heat sink
US9036307B1 (en) 2014-10-09 2015-05-19 HGST Netherlands B.V. Heat-assisted magnetic recording (HAMR) write head with recessed near-field transducer and optically transparent protective film
US9449627B2 (en) 2014-12-09 2016-09-20 Seagate Technology Llc Angled waveguide
US9812156B2 (en) 2015-01-20 2017-11-07 Headway Technologies, Inc. Thermally-assisted magnetic recording head including a main pole and a plasmon generator
US9472230B1 (en) * 2015-04-20 2016-10-18 Headway Technologies, Inc. Plasmon generator including a main body and a front protrusion
US10403315B2 (en) 2015-05-06 2019-09-03 Western Digital Technologies, Inc. Near-field transducer for heat assisted magnetic recording comprising of thermally stable material layer
US9542960B2 (en) 2015-05-22 2017-01-10 Headway Technologies, Inc. Thermally-assisted magnetic recording head including a main pole, a plasmon generator and two side shields
US9659588B2 (en) 2015-08-12 2017-05-23 Headway Technologies, Inc. Thermally-assisted magnetic recording head including a main pole and a plasmon generator
US9558769B1 (en) 2015-09-30 2017-01-31 HGST Netherlands B.V. Anti-reflection waveguide for heat-assisted magnetic recording
US9741377B1 (en) 2016-02-23 2017-08-22 Headway Technologies, Inc. Thermally-assisted magnetic recording head including a main pole and a plasmon generator
US10204646B2 (en) 2016-05-04 2019-02-12 Western Digital Technologies, Inc. Near-field transducer with adjacent high-refractive index material layer
US9601144B1 (en) 2016-05-25 2017-03-21 HGST Netherlands B.V. Heat-assisted magnetic recording (HAMR) disk drive with disk having multiple continuous magnetic recording layers
US9601145B1 (en) 2016-05-25 2017-03-21 HGST Netherlands B.V. Heat-assisted magnetic recording (HAMR) disk with multiple continuous magnetic recording layers
US9786314B1 (en) * 2016-06-17 2017-10-10 Seagate Technology Llc Waveguide system with inter-core coupler
US9747935B1 (en) 2016-06-30 2017-08-29 Western Digital (Fremont), Llc Heat assisted magnetic recording writer having pole coupled with the NFT
US9761253B1 (en) 2016-09-30 2017-09-12 Headway Technologies, Inc. Thermally-assisted magnetic recording head including a main pole and a plasmon generator
US9958769B1 (en) 2016-12-21 2018-05-01 Headway Technologies, Inc. Method of manufacturing a plasmon generator
US10249333B2 (en) * 2017-08-25 2019-04-02 Headway Technologies, Inc. Single Rh layer optical field enhancer with pre-focusing structures
US10134430B1 (en) * 2017-09-18 2018-11-20 Headway Technologies, Inc. Thermally-assisted magnetic recording head including a main pole and a plasmon generator
US10062402B1 (en) 2017-12-04 2018-08-28 Headway Technologies, Inc. Waveguide including first and second layers and manufacturing method thereof
US10360939B2 (en) 2017-12-23 2019-07-23 Western Digital Technologies, Inc. Metal-insulator-metal near-field transducer for heat-assisted magnetic recording
US10249336B1 (en) 2017-12-23 2019-04-02 Western Digital Technologies, Inc. Architecture for metal-insulator-metal near-field transducer for heat-assisted magnetic recording
US20210027808A1 (en) 2019-07-23 2021-01-28 Western Digital Technologies, Inc. Heat-assisted magnetic recording (hamr) head with tapered main pole and heat sink material adjacent the pole
US11114119B1 (en) 2020-10-02 2021-09-07 Headway Technologies, Inc. Thermally-assisted magnetic recording head including a main pole and a plasmon generator
US11328747B1 (en) 2020-12-08 2022-05-10 Western Digital Technologies, Inc. Heat-assisted magnetic recording (HAMR) head with heat sink material adjacent the waveguide
US11250879B1 (en) 2021-02-17 2022-02-15 Western Digital Technologies, Inc. Heat-assisted magnetic recording (HAMR) head with optically reflective shield material adjacent the waveguide
US11386922B1 (en) 2021-06-11 2022-07-12 Western Digital Technologies, Inc. Multiple protective film on near-field transducer of heat-assisted magnetic recording device
US11410688B1 (en) 2021-06-15 2022-08-09 Headway Technologies, Inc. Thermally-assisted magnetic recording head having plasmon generator of multiple metal layers
US11532329B1 (en) 2022-01-31 2022-12-20 Western Digital Technologies, Inc. Heat-assisted magnetic recording (HAMR) head with main pole having recess for plasmonic material
US11894018B1 (en) 2022-08-20 2024-02-06 Western Digital Technologies, Inc. Heat-assisted magnetic recording (HAMR) head with main pole having narrow plasmonic recess
US12057149B2 (en) 2022-11-14 2024-08-06 Western Digital Technologies, Inc. Heat-assisted magnetic recording (HAMR) head with main pole having narrow pole tip with plasmonic layer

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3882456B2 (ja) 2000-03-13 2007-02-14 株式会社日立製作所 近接場光プローブおよびそれを用いた近接場光学顕微鏡および光記録／再生装置
JP4032689B2 (ja) * 2001-10-04 2008-01-16 株式会社日立製作所 近接場光を用いた測定装置／記録再生装置
US6975580B2 (en) * 2001-12-18 2005-12-13 Interntional Business Machines Corporation Optical aperture for data recording having transmission enhanced by waveguide mode resonance
JP4325172B2 (ja) * 2002-11-01 2009-09-02 株式会社日立製作所 近接場光発生プローブ及び近接場光発生装置
JP3984568B2 (ja) * 2003-06-12 2007-10-03 株式会社日立製作所 磁気記録装置及び磁気記録方法
US7911882B2 (en) * 2005-12-16 2011-03-22 Tdk Corporation Thin-film magnetic head with near-field-light-generating layer
JP4254780B2 (ja) * 2005-12-16 2009-04-15 Ｔｄｋ株式会社 近接場光発生層を備えた薄膜磁気ヘッド及びこれを備えたヘッドジンバルアセンブリ、磁気ディスク装置
US7773342B2 (en) * 2006-01-30 2010-08-10 Tdk Corporation Thin-film magnetic head having near-field-light-generating portion with trapezoidal end
JP2007207349A (ja) * 2006-02-02 2007-08-16 Tdk Corp 近接場光発生部を備えた薄膜磁気ヘッド
JP4882646B2 (ja) * 2006-10-02 2012-02-22 ソニー株式会社 近接場光発生装置、近接場光発生方法及び情報記録再生装置
JP5007651B2 (ja) * 2007-02-08 2012-08-22 ソニー株式会社 近接場光発生装置、近接場光発生方法及び情報記録再生装置
JP4673328B2 (ja) * 2007-02-22 2011-04-20 株式会社日立製作所 熱アシスト磁気記録ヘッドおよび磁気記録装置
JP4928499B2 (ja) * 2008-05-14 2012-05-09 日東電工株式会社 回路付サスペンション基板
US7652954B2 (en) * 2008-05-22 2010-01-26 Hitachi Global Storage Technologies Netherlands B.V. Thermally assisted recording head with magnetic pole integrated into optical aperture for dual gradient recording
US8000178B2 (en) * 2008-10-29 2011-08-16 Tdk Corporation Near-field light generating element utilizing surface plasmon
US8169881B2 (en) * 2008-12-31 2012-05-01 Hitachi Global Storage Technologies Netherlands B.V. Thermally assisted recording head having recessed waveguide with near field transducer and methods of making same
US8107192B2 (en) * 2009-10-23 2012-01-31 Headway Technologies, Inc. Heat-assisted magnetic recording head with laser diode fixed to slider
JP5025708B2 (ja) * 2009-10-26 2012-09-12 株式会社日立製作所 熱アシスト記録用ヘッド、熱アシスト記録装置及び近接場光発生装置
US8243559B2 (en) * 2009-11-13 2012-08-14 Tdk Corporation Thermally-assisted magnetic recording head comprising near-field optical device with propagation edge
US8424191B2 (en) * 2009-12-28 2013-04-23 Tdk Corporation Method for manufacturing thermally-assisted magnetic recording head by semi-active alignment
US8270261B2 (en) * 2010-01-06 2012-09-18 Tdk Corporation Thermally-assisted magnetic recording head comprising waveguide with inverted-trapezoidal shape
US8270791B2 (en) * 2010-10-05 2012-09-18 Tdk Corporation Optical waveguide and thermally-assisted magnetic recording head therewith
US8957692B2 (en) * 2010-12-02 2015-02-17 Tdk Corporation Method for performing burn-in test

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