CN101740043B - 具有减小的磁头保持间距、头介质间距或头到软底层间距的记录介质 - Google Patents

具有减小的磁头保持间距、头介质间距或头到软底层间距的记录介质 Download PDF

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Publication number
CN101740043B
CN101740043B CN200910225825.2A CN200910225825A CN101740043B CN 101740043 B CN101740043 B CN 101740043B CN 200910225825 A CN200910225825 A CN 200910225825A CN 101740043 B CN101740043 B CN 101740043B
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CN
China
Prior art keywords
ferromagnetism
magnetic
external coating
media
paramagnetism
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
CN200910225825.2A
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English (en)
Chinese (zh)
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CN101740043A (zh
Inventor
高凯中
陆斌
B·F·法尔库
X·马
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Seagate Technology LLC
Original Assignee
Seagate Technology LLC
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Publication date
Application filed by Seagate Technology LLC filed Critical Seagate Technology LLC
Priority to CN201410080609.4A priority Critical patent/CN103854674B/zh
Publication of CN101740043A publication Critical patent/CN101740043A/zh
Application granted granted Critical
Publication of CN101740043B publication Critical patent/CN101740043B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • 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
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
    • G11B5/672—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having different compositions in a plurality of magnetic layers, e.g. layer compositions having differing elemental components or differing proportions of elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/11—Magnetic recording head
    • Y10T428/1164—Magnetic recording head with protective film

Landscapes

  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)
CN200910225825.2A 2008-11-26 2009-11-24 具有减小的磁头保持间距、头介质间距或头到软底层间距的记录介质 Expired - Fee Related CN101740043B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410080609.4A CN103854674B (zh) 2008-11-26 2009-11-24 具有减小的磁头保持间距、头介质间距或头到软底层间距的记录介质

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/324,629 2008-11-26
US12/324,629 US8114470B2 (en) 2008-11-26 2008-11-26 Reduced spacing recording apparatus

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201410080609.4A Division CN103854674B (zh) 2008-11-26 2009-11-24 具有减小的磁头保持间距、头介质间距或头到软底层间距的记录介质

Publications (2)

Publication Number Publication Date
CN101740043A CN101740043A (zh) 2010-06-16
CN101740043B true CN101740043B (zh) 2015-07-22

Family

ID=42196581

Family Applications (2)

Application Number Title Priority Date Filing Date
CN200910225825.2A Expired - Fee Related CN101740043B (zh) 2008-11-26 2009-11-24 具有减小的磁头保持间距、头介质间距或头到软底层间距的记录介质
CN201410080609.4A Expired - Fee Related CN103854674B (zh) 2008-11-26 2009-11-24 具有减小的磁头保持间距、头介质间距或头到软底层间距的记录介质

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201410080609.4A Expired - Fee Related CN103854674B (zh) 2008-11-26 2009-11-24 具有减小的磁头保持间距、头介质间距或头到软底层间距的记录介质

Country Status (3)

Country Link
US (3) US8114470B2 (enExample)
JP (2) JP5579419B2 (enExample)
CN (2) CN101740043B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9412404B2 (en) * 2009-12-15 2016-08-09 HGST Netherlands B.V. Onset layer for perpendicular magnetic recording media
JP5685983B2 (ja) * 2011-02-23 2015-03-18 富士電機株式会社 磁気記録媒体
US8481181B2 (en) * 2011-03-31 2013-07-09 Seagate Technology Llc Exchange coupled magnetic elements
US8742518B2 (en) 2011-03-31 2014-06-03 Seagate Technology Llc Magnetic tunnel junction with free layer having exchange coupled magnetic elements
US8824100B2 (en) 2011-05-20 2014-09-02 Seagate Technology Llc Overcoats that include magnetic materials
US20130052485A1 (en) * 2011-08-25 2013-02-28 Seagate Technology Llc Recording stack with a dual continuous layer
US20140093746A1 (en) * 2012-09-30 2014-04-03 Seagate Technology Llc Magnetic seed layer
US9123366B2 (en) 2013-06-27 2015-09-01 Seagate Technology Llc Disc drive with magnetic self-assembled monolayer
US9324353B2 (en) 2013-11-19 2016-04-26 HGST Netherlands B.V. Dual segregant heat assisted magnetic recording (HAMR) media
US9564164B2 (en) 2013-12-20 2017-02-07 Seagate Technology Llc Exchange decoupled data storage medium
US9443545B2 (en) 2013-12-24 2016-09-13 HGST Netherlands B.V. Thermally stable Au alloys as a heat diffusion and plasmonic underlayer for heat-assisted magnetic recording (HAMR) media
US9437233B1 (en) * 2015-10-07 2016-09-06 Seagate Technology Llc Self-assembled monolayer to adjust fly height

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0643385A2 (en) * 1993-09-12 1995-03-15 Fujitsu Limited Magnetic recording medium, magnetic head and magnetic recording apparatus
CN1839429A (zh) * 2003-09-30 2006-09-27 富士通株式会社 垂直磁记录介质以及磁存储装置

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4814241B1 (enExample) * 1969-08-06 1973-05-04
JPS6199921A (ja) * 1984-10-19 1986-05-19 Matsushita Electric Ind Co Ltd 磁気記録媒体
US5236791A (en) * 1988-08-31 1993-08-17 Hitachi, Ltd. Magnetic recording medium and magnetic storage
JPH08129748A (ja) * 1994-10-28 1996-05-21 Sony Corp 磁気記録媒体
JPH08203069A (ja) * 1995-01-31 1996-08-09 Nec Corp 磁気記憶媒体
US6403203B2 (en) * 1997-05-29 2002-06-11 Hitachi, Ltd. Magnetic recording medium and magnetic recording apparatus using the same
JP3731640B2 (ja) * 1999-11-26 2006-01-05 株式会社日立グローバルストレージテクノロジーズ 垂直磁気記録媒体及び磁気記憶装置
US20060029806A1 (en) * 2000-05-10 2006-02-09 Fujitsu Limited. Carbonaceous protective layer, magnetic recording medium, production method thereof, and magnetic disk apparatus
US6914749B2 (en) * 2000-07-25 2005-07-05 Seagate Technology Llc Magnetic anisotropy of soft-underlayer induced by magnetron field
US6818330B2 (en) * 2000-08-25 2004-11-16 Seagate Technology Llc Perpendicular recording medium with antiferromagnetic exchange coupling in soft magnetic underlayers
US6777112B1 (en) * 2000-10-10 2004-08-17 Seagate Technology Llc Stabilized recording media including coupled discontinuous and continuous magnetic layers
US6955857B2 (en) * 2000-12-29 2005-10-18 Seagate Technology Llc Exchange decoupled cobalt/noble metal perpendicular recording media
US7060376B1 (en) * 2001-12-06 2006-06-13 Seagate Technology Llc Amorphous soft underlayers for perpendicular recording media
US7128987B2 (en) * 2002-06-21 2006-10-31 Seagate Technology Llc Multilayer magnetic recording media including composite layer with discontinuous magnetic phase and continuous non-magnetic phase
JP4223240B2 (ja) * 2002-07-16 2009-02-12 昭和電工株式会社 磁気記録媒体、その製造方法および磁気記録再生装置
JP2004118894A (ja) * 2002-09-24 2004-04-15 Victor Co Of Japan Ltd ディスク状磁気記録媒体
US20040166371A1 (en) * 2003-02-26 2004-08-26 Berger Andreas Klaus Dieter Magnetic recording media with write-assist layer
JP2004303377A (ja) * 2003-03-31 2004-10-28 Toshiba Corp 垂直磁気記録媒体及び磁気記録再生装置
JP2004310944A (ja) 2003-04-09 2004-11-04 Fujitsu Ltd 垂直磁気記録媒体および磁気記憶装置
JP2005032352A (ja) * 2003-07-14 2005-02-03 Toshiba Corp 粒子分散型膜を下地に用いた磁気記録媒体、その製造方法、および磁気記録再生装置
JP4525249B2 (ja) * 2003-09-26 2010-08-18 Ｔｄｋ株式会社 磁気記録媒体及び磁気記録装置
US7201977B2 (en) * 2004-03-23 2007-04-10 Seagate Technology Llc Anti-ferromagnetically coupled granular-continuous magnetic recording media
JP2005327368A (ja) * 2004-05-14 2005-11-24 Fujitsu Ltd 磁気記録装置用保護層、磁気ヘッドおよび磁気記録装置
US20060228586A1 (en) * 2005-04-06 2006-10-12 Seagate Technology Llc Ferromagnetically coupled magnetic recording media
US20060269797A1 (en) * 2005-05-26 2006-11-30 Seagate Technology Llc Perpendicular magnetic recording media including a uniform exchange enhancement layer
US7556870B2 (en) * 2005-08-15 2009-07-07 Hitachi Global Storage Technologies Netherlands B.V. Antiferromagnetically coupled media for magnetic recording with weak coupling layer
JP2007272990A (ja) * 2006-03-31 2007-10-18 Fujitsu Ltd 磁気記録媒体及びその製造方法
US20070287031A1 (en) * 2006-06-08 2007-12-13 Seagate Technology Llc Thin sul perpendicular magnetic recording media and recording systems comprising same
JP4761224B2 (ja) * 2006-10-12 2011-08-31 富士電機デバイステクノロジー株式会社 垂直磁気記録媒体
US7862913B2 (en) * 2006-10-23 2011-01-04 Hitachi Global Storage Technologies Netherlands B.V. Oxide magnetic recording layers for perpendicular recording media
JP2008129748A (ja) 2006-11-20 2008-06-05 Dainippon Printing Co Ltd 非接触ｉｃタグと非接触ｉｃタグ連接体
JP2008203069A (ja) 2007-02-20 2008-09-04 Shiseido Co Ltd 板状粉体の外観評価方法
WO2008105095A1 (ja) * 2007-02-28 2008-09-04 Fujitsu Limited 垂直磁気記録媒体および磁気記録装置
JP2008282512A (ja) * 2007-05-14 2008-11-20 Toshiba Corp 磁気記録媒体及び磁気記録再生装置
US8824100B2 (en) * 2011-05-20 2014-09-02 Seagate Technology Llc Overcoats that include magnetic materials

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0643385A2 (en) * 1993-09-12 1995-03-15 Fujitsu Limited Magnetic recording medium, magnetic head and magnetic recording apparatus
CN1839429A (zh) * 2003-09-30 2006-09-27 富士通株式会社 垂直磁记录介质以及磁存储装置

Also Published As

Publication number Publication date
US20140212690A1 (en) 2014-07-31
JP5858252B2 (ja) 2016-02-10
US9299379B2 (en) 2016-03-29
US20120141834A1 (en) 2012-06-07
JP2014078315A (ja) 2014-05-01
JP2010129167A (ja) 2010-06-10
US8715840B2 (en) 2014-05-06
CN103854674A (zh) 2014-06-11
CN101740043A (zh) 2010-06-16
CN103854674B (zh) 2016-02-24
US8114470B2 (en) 2012-02-14
US20100129685A1 (en) 2010-05-27
JP5579419B2 (ja) 2014-08-27

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