JP2016177861A - 空気軸受面を有する装置 - Google Patents

空気軸受面を有する装置 Download PDF

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Publication number
JP2016177861A
JP2016177861A JP2016055360A JP2016055360A JP2016177861A JP 2016177861 A JP2016177861 A JP 2016177861A JP 2016055360 A JP2016055360 A JP 2016055360A JP 2016055360 A JP2016055360 A JP 2016055360A JP 2016177861 A JP2016177861 A JP 2016177861A
Authority
JP
Japan
Prior art keywords
diffusion barrier
barrier layer
peg
layer
disk
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2016055360A
Other languages
English (en)
Japanese (ja)
Other versions
JP2016177861A5 (cg-RX-API-DMAC7.html
Inventor
サーベスワー・サホー
Sahoo Sarbeswar
マーティン・ジャイルズ・ブレイバー
Blaber Martin
フイ・ブリックナー
Brickner Hui
チャオ・トン
Tong Zhao
ユーハン・チェン
Yuhang Cheng
ジョン・チャールズ・ドゥダ
Duda John
タエ−ウー・リー
Tae-Woo Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seagate Technology LLC
Original Assignee
Seagate Technology LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seagate Technology LLC filed Critical Seagate Technology LLC
Publication of JP2016177861A publication Critical patent/JP2016177861A/ja
Publication of JP2016177861A5 publication Critical patent/JP2016177861A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G11B5/6082—Design of the air bearing surface
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/1272—Assembling or shaping of elements
    • 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
    • G11B5/3116—Shaping of layers, poles or gaps for improving the form of the electrical signal transduced, e.g. for shielding, contour effect, equalizing, side flux fringing, cross talk reduction between heads or between heads and information tracks
    • 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
    • G11B5/3136—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 for reducing the pole-tip-protrusion at the head transducing surface, e.g. caused by thermal expansion of dissimilar materials
    • 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
    • G11B5/40—Protective measures on heads, e.g. against excessive temperature 
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Heads (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
JP2016055360A 2015-03-22 2016-03-18 空気軸受面を有する装置 Pending JP2016177861A (ja)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201562136555P 2015-03-22 2015-03-22
US62/136,555 2015-03-22
US201562167314P 2015-05-28 2015-05-28
US62/167,314 2015-05-28
US15/060,914 US9792931B2 (en) 2015-03-22 2016-03-04 Devices including a difussion barrier layer
US15/060,914 2016-03-04

Publications (2)

Publication Number Publication Date
JP2016177861A true JP2016177861A (ja) 2016-10-06
JP2016177861A5 JP2016177861A5 (cg-RX-API-DMAC7.html) 2019-04-25

Family

ID=56925499

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016055360A Pending JP2016177861A (ja) 2015-03-22 2016-03-18 空気軸受面を有する装置

Country Status (4)

Country Link
US (3) US9792931B2 (cg-RX-API-DMAC7.html)
JP (1) JP2016177861A (cg-RX-API-DMAC7.html)
KR (1) KR101834276B1 (cg-RX-API-DMAC7.html)
CN (1) CN106024019B (cg-RX-API-DMAC7.html)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9286931B2 (en) 2013-06-24 2016-03-15 Seagate Technology Llc Materials for near field transducers and near field transducers containing same
US9697856B2 (en) 2013-12-06 2017-07-04 Seagate Techology LLC Methods of forming near field transducers and near field transducers formed thereby
US9822444B2 (en) 2014-11-11 2017-11-21 Seagate Technology Llc Near-field transducer having secondary atom higher concentration at bottom of the peg
WO2016077198A1 (en) 2014-11-11 2016-05-19 Seagate Technology Llc Devices including a diffusion barrier layer
US9792931B2 (en) * 2015-03-22 2017-10-17 Seagate Technology Llc Devices including a difussion barrier layer
US9852748B1 (en) 2015-12-08 2017-12-26 Seagate Technology Llc Devices including a NFT having at least one amorphous alloy layer
US10121496B1 (en) * 2017-02-23 2018-11-06 Seagate Technology Llc Heat-assisted magnetic recording head having peg coupler and plasmonic pad
US10839832B1 (en) * 2019-12-30 2020-11-17 Western Digital Technologies, Inc. MAMR recording head with high damping trailing shield seed layer
US11380354B2 (en) * 2020-04-22 2022-07-05 Seagate Technology Llc Heat-assisted magnetic recording head having near-field transducer with sunken plasmonic plate
US11798581B1 (en) 2021-04-02 2023-10-24 Seagate Technology Llc Heat-assisted magnetic recording head with nanoparticles
US11646058B1 (en) 2022-03-30 2023-05-09 Seagate Technology Llc Heat-assisted magnetic recording head with a heat sink and a diffusion barrier

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120045662A1 (en) * 2010-02-23 2012-02-23 Seagate Technology Llc Recording Head For Heat Assisted Magnetic Recording With Diffusion Barrier Surrounding A Near Field Transducer
US20130107679A1 (en) * 2010-12-22 2013-05-02 Seagate Technology Llc Heat assisted magnetic recording devices
JP2013229094A (ja) * 2012-04-24 2013-11-07 Seagate Technology Llc 近接場トランスデューサを備える装置、エネルギ源と導波路と近接場トランスデューサとを備える装置およびディスクドライブ
JP2015008032A (ja) * 2013-06-24 2015-01-15 シーゲイト テクノロジー エルエルシー 少なくとも１つの相互混合層を含む装置

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US7002228B2 (en) 2003-02-18 2006-02-21 Micron Technology, Inc. Diffusion barrier for improving the thermal stability of MRAM devices
US7262936B2 (en) 2004-03-01 2007-08-28 Hitachi Global Storage Technologies Netherlands, B.V. Heating device and magnetic recording head for thermally-assisted recording
US7623319B2 (en) * 2004-11-30 2009-11-24 Hitachi Global Storage Technologies Netherlands B.V. Electrical connection structure for magnetic heads and method for making the same
US20070069383A1 (en) 2005-09-28 2007-03-29 Tokyo Electron Limited Semiconductor device containing a ruthenium diffusion barrier and method of forming
US7791839B2 (en) 2006-09-14 2010-09-07 Hitachi Global Storage Technologies Netherlands B.V. Thermally-assisted perpendicular magnetic recording system with write pole surrounding an optical channel and having recessed pole tip
JP2008146798A (ja) 2006-12-13 2008-06-26 Hitachi Global Storage Technologies Netherlands Bv 磁気ヘッドスライダ
US8289650B2 (en) 2007-09-19 2012-10-16 Seagate Technology Llc HAMR recording head having a sloped wall pole
JP4462346B2 (ja) 2007-12-28 2010-05-12 Ｔｄｋ株式会社 熱アシスト磁気ヘッド
US8331205B2 (en) 2008-11-25 2012-12-11 Seagate Technology Llc Sloped pole for recording head with waveguide
US8472286B2 (en) * 2008-12-31 2013-06-25 HGST Netherlands B.V. Near field transducer having main body and wings extending therefrom and only electrically coupled thereby
US8451555B2 (en) 2009-02-24 2013-05-28 Seagate Technology Llc Recording head for heat assisted magnetic recording
US8810962B2 (en) 2009-06-05 2014-08-19 Headway Technologies, Inc. Insertion under read shield for improved read gap actuation in dynamic flying height
US8213272B2 (en) 2009-06-11 2012-07-03 Tdk Corporation Multilayered waveguide having protruded light-emitting end
US8102736B2 (en) 2009-07-01 2012-01-24 Tdk Corporation Near-field light generator comprising waveguide with inclined end surface
US8842391B2 (en) * 2010-02-23 2014-09-23 Seagate Technology Llc Recording head including a near field transducer
US8934198B2 (en) * 2010-02-23 2015-01-13 Seagate Technology Llc Recording head including NFT and heatsink
US8223597B2 (en) 2010-06-22 2012-07-17 Tdk Corporation Thermally assisted head having reflection mirror for propagating light
US8351151B2 (en) 2010-11-02 2013-01-08 Hitachi Global Storage Technologies Netherlands B.V. Thermally assisted magnetic write head employing a near field transducer (NFT) having a diffusion barrier layer between the near field transducer and a magnetic lip
US8553505B2 (en) 2010-11-24 2013-10-08 HGST Netherlands B.V. Thermally assisted magnetic write head employing a plasmonic antenna comprising an alloyed film to improve the hardness and manufacturability of the antenna
US8565049B1 (en) * 2012-06-26 2013-10-22 Western Digital (Fremont), Llc Method and system for reducing thermal protrusion of an NFT
US8945731B2 (en) * 2012-06-29 2015-02-03 Seagate Technology Llc Interlayer for device including NFT and cladding layers
US9047908B2 (en) 2013-04-23 2015-06-02 HGST Netherlands B.V. Heat-assisted magnetic recording (HAMR) head with diffusion barrier between waveguide core and write pole lip
JP2015008031A (ja) 2013-06-24 2015-01-15 シーゲイト テクノロジー エルエルシー 少なくとも１つの接着層を含む装置および接着層を形成する方法
US9099117B2 (en) * 2013-06-24 2015-08-04 Seagate Technology Llc Near-field transducer peg encapsulation
WO2016077198A1 (en) * 2014-11-11 2016-05-19 Seagate Technology Llc Devices including a diffusion barrier layer
US9449625B1 (en) * 2014-12-24 2016-09-20 Western Digital (Fremont), Llc Heat assisted magnetic recording head having a plurality of diffusion barrier layers
US9792931B2 (en) * 2015-03-22 2017-10-17 Seagate Technology Llc Devices including a difussion barrier layer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120045662A1 (en) * 2010-02-23 2012-02-23 Seagate Technology Llc Recording Head For Heat Assisted Magnetic Recording With Diffusion Barrier Surrounding A Near Field Transducer
US20130107679A1 (en) * 2010-12-22 2013-05-02 Seagate Technology Llc Heat assisted magnetic recording devices
JP2013229094A (ja) * 2012-04-24 2013-11-07 Seagate Technology Llc 近接場トランスデューサを備える装置、エネルギ源と導波路と近接場トランスデューサとを備える装置およびディスクドライブ
JP2015008032A (ja) * 2013-06-24 2015-01-15 シーゲイト テクノロジー エルエルシー 少なくとも１つの相互混合層を含む装置

Also Published As

Publication number Publication date
US9792931B2 (en) 2017-10-17
US20160275979A1 (en) 2016-09-22
KR20160113549A (ko) 2016-09-30
US10580440B2 (en) 2020-03-03
KR101834276B1 (ko) 2018-03-06
CN106024019B (zh) 2019-08-20
US20180053520A1 (en) 2018-02-22
CN106024019A (zh) 2016-10-12
US20190164570A1 (en) 2019-05-30
US10192574B2 (en) 2019-01-29

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