CN103886874B - 具有可变外覆结构的磁性装置 - Google Patents

具有可变外覆结构的磁性装置 Download PDF

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Publication number
CN103886874B
CN103886874B CN201310713699.1A CN201310713699A CN103886874B CN 103886874 B CN103886874 B CN 103886874B CN 201310713699 A CN201310713699 A CN 201310713699A CN 103886874 B CN103886874 B CN 103886874B
Authority
CN
China
Prior art keywords
layer
magnetic
different
writer
thickness
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.)
Expired - Fee Related
Application number
CN201310713699.1A
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English (en)
Chinese (zh)
Other versions
CN103886874A (zh
Inventor
E·F·雷吉达
J·M·斯蒂芬
T·N·奴炎
N·朱克曼
G·J·昆克尔
D·H·科尔
M·A·西格勒
C·瑞
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 CN103886874A publication Critical patent/CN103886874A/zh
Application granted granted Critical
Publication of CN103886874B publication Critical patent/CN103886874B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G11B5/40—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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • G11B5/726—Two or more protective coatings
    • G11B5/7262—Inorganic protective coating
    • G11B5/7264—Inorganic carbon protective coating, e.g. graphite, diamond like carbon or doped carbon
    • 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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G11B5/102—Manufacture of housing
    • 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
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/255—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for protection against wear
    • 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
    • G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
    • 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
    • G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
    • G11B5/3106—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing where the integrated or assembled structure comprises means for conditioning against physical detrimental influence, e.g. wear, contamination
    • 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
    • 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
    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base 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
    • G11B2005/0021—Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Heads (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)
CN201310713699.1A 2012-12-21 2013-12-20 具有可变外覆结构的磁性装置 Expired - Fee Related CN103886874B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201261740514P 2012-12-21 2012-12-21
US61/740,514 2012-12-21
US13/790,022 US9792935B2 (en) 2012-12-21 2013-03-08 Magnetic devices with variable overcoats
US13/790,022 2013-03-08

Publications (2)

Publication Number Publication Date
CN103886874A CN103886874A (zh) 2014-06-25
CN103886874B true CN103886874B (zh) 2018-07-27

Family

ID=49885020

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310713699.1A Expired - Fee Related CN103886874B (zh) 2012-12-21 2013-12-20 具有可变外覆结构的磁性装置

Country Status (4)

Country Link
US (2) US9792935B2 (enExample)
EP (1) EP2747082B1 (enExample)
JP (1) JP2014123418A (enExample)
CN (1) CN103886874B (enExample)

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US8427925B2 (en) 2010-02-23 2013-04-23 Seagate Technology Llc HAMR NFT materials with improved thermal stability
US9286931B2 (en) 2013-06-24 2016-03-15 Seagate Technology Llc Materials for near field transducers and near field transducers containing same
US9245573B2 (en) 2013-06-24 2016-01-26 Seagate Technology Llc Methods of forming materials for at least a portion of a NFT and NFTs formed using the same
US9025281B2 (en) * 2013-08-22 2015-05-05 Seagate Technology Llc Magnetic device including a near field transducer
US9697856B2 (en) 2013-12-06 2017-07-04 Seagate Techology LLC Methods of forming near field transducers and near field transducers formed thereby
US9570098B2 (en) * 2013-12-06 2017-02-14 Seagate Technology 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
WO2016077197A1 (en) * 2014-11-12 2016-05-19 Seagate Technology Llc Devices including a near field transducer (nft) with nanoparticles
JP6073285B2 (ja) 2014-12-05 2017-02-01 株式会社デンソー 制御装置
US9633677B2 (en) 2015-06-16 2017-04-25 Western Digital Technologies, Inc. Near field transducer having an adhesion layer coupled thereto
US9460738B1 (en) * 2015-07-13 2016-10-04 HGST Netherlands B.V. Method to coat NFT area with highly thermal conducting material in HAMR structure
US9659587B1 (en) 2015-11-06 2017-05-23 Western Digital (Fremont), Llc Magnetic head having a reader overcoat with DLC and a recessed writer overcoat without DLC
US10074388B2 (en) 2017-01-05 2018-09-11 International Business Machines Corporation In-situ protective film
US10373632B2 (en) * 2017-02-15 2019-08-06 Seagate Technology Llc Heat-assisted removal of head contamination
US10529364B2 (en) 2017-02-15 2020-01-07 Seagate Technology Llc Heat-assisted removal of head contamination
US10984830B2 (en) 2017-02-24 2021-04-20 The National University Of Singapore Two dimensional amorphous carbon as overcoat for heat assisted magnetic recording media
JP2020047327A (ja) 2018-09-18 2020-03-26 株式会社東芝 磁気記録再生装置
US11114122B1 (en) 2019-03-06 2021-09-07 Seagate Technology Llc Magnetic devices with overcoat that includes a titanium oxynitride layer
US10818317B1 (en) 2019-07-02 2020-10-27 Seagate Technology Llc Multi-actuator data storage system
US10748561B1 (en) 2019-12-04 2020-08-18 Western Digital Technologies, Inc. Magnetic recording disk drive with a contact pad for protection of the write head and process for making the pad
KR20220167795A (ko) 2020-03-10 2022-12-21 내셔널 유니버시티 오브 싱가포르 씨드층, 씨드층을 포함하는 헤테로구조물, 및 씨드층을 사용하여 재료 층을 형성하는 방법
US11094339B1 (en) 2020-04-13 2021-08-17 Seagate Technology Llc Methods of manufacturing one or more sliders that includes a second lapping process after patterning, and related sliders
US11222655B1 (en) 2020-10-15 2022-01-11 Seagate Technology Llc Recording head with writer HMS less than reader HMS
US11475912B1 (en) 2021-06-11 2022-10-18 Seagate Technology Llc Synchronous writing of patterned media

Citations (4)

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CN1177169A (zh) * 1995-09-30 1998-03-25 大宇电子株式会社 在薄膜磁头中形成有图案的金属层的方法
US5768055A (en) * 1996-09-19 1998-06-16 Sae Magnetics (H.K.) Ltd. Magnetic recording head having a carbon overcoat array on slider air bearings surfaces
US6433965B1 (en) * 2000-03-02 2002-08-13 Read-Rite Corporation Laminated carbon-containing overcoats for information storage system transducers
CN101887730A (zh) * 2009-05-15 2010-11-17 新科实业有限公司 磁头滑块的制造方法

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JP3081893B2 (ja) 1994-12-19 2000-08-28 シーゲイト テクノロジー インコーポレーテッド ディスクドライブ用のスライダ、ディスクドライブ、ならびにディスクドライブ用のヘッドを作る方法
JPH08180352A (ja) 1994-12-22 1996-07-12 Nec Corp 磁気ヘッドスライダとその製造方法
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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1177169A (zh) * 1995-09-30 1998-03-25 大宇电子株式会社 在薄膜磁头中形成有图案的金属层的方法
US5768055A (en) * 1996-09-19 1998-06-16 Sae Magnetics (H.K.) Ltd. Magnetic recording head having a carbon overcoat array on slider air bearings surfaces
US6433965B1 (en) * 2000-03-02 2002-08-13 Read-Rite Corporation Laminated carbon-containing overcoats for information storage system transducers
CN101887730A (zh) * 2009-05-15 2010-11-17 新科实业有限公司 磁头滑块的制造方法

Also Published As

Publication number Publication date
EP2747082B1 (en) 2017-10-11
EP2747082A3 (en) 2014-12-03
CN103886874A (zh) 2014-06-25
US20140177405A1 (en) 2014-06-26
JP2014123418A (ja) 2014-07-03
EP2747082A2 (en) 2014-06-25
US20180040341A1 (en) 2018-02-08
US9792935B2 (en) 2017-10-17

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Granted publication date: 20180727