WO2008102456A1 - 磁気記録媒体及びその製造方法 - Google Patents

磁気記録媒体及びその製造方法 Download PDF

Info

Publication number
WO2008102456A1
WO2008102456A1 PCT/JP2007/053431 JP2007053431W WO2008102456A1 WO 2008102456 A1 WO2008102456 A1 WO 2008102456A1 JP 2007053431 W JP2007053431 W JP 2007053431W WO 2008102456 A1 WO2008102456 A1 WO 2008102456A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
recording medium
magnetic recording
manufacturing
same
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.)
Ceased
Application number
PCT/JP2007/053431
Other languages
English (en)
French (fr)
Inventor
Makoto Okada
Takuya Tomoi
Eishin Yamakawa
Yuki Yoshida
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to PCT/JP2007/053431 priority Critical patent/WO2008102456A1/ja
Priority to JP2009500051A priority patent/JP5009359B2/ja
Publication of WO2008102456A1 publication Critical patent/WO2008102456A1/ja
Priority to US12/488,188 priority patent/US20090252992A1/en
Anticipated expiration legal-status Critical
Ceased 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/8408—Processes or apparatus specially adapted for manufacturing record carriers protecting the magnetic layer
    • 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
    • G11B5/725—Protective coatings, e.g. anti-static or antifriction containing a lubricant, e.g. organic compounds
    • G11B5/7253—Fluorocarbon lubricant
    • 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

Landscapes

  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

　基板の上方に記録層、保護層及び潤滑層が積層された磁気記録媒体は、保護層と接する側の潤滑層はボンド層により形成されると共に、磁気記録媒体の表面側の潤滑層はボンド層より保護層に対する結合力が弱いモバイル層により形成され、モバイル層の表面の凸部の高さは約０．３ｎｍ以下である。
PCT/JP2007/053431 2007-02-23 2007-02-23 磁気記録媒体及びその製造方法 Ceased WO2008102456A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2007/053431 WO2008102456A1 (ja) 2007-02-23 2007-02-23 磁気記録媒体及びその製造方法
JP2009500051A JP5009359B2 (ja) 2007-02-23 2007-02-23 磁気記録媒体及びその製造方法
US12/488,188 US20090252992A1 (en) 2007-02-23 2009-06-19 Magnetic recording medium and method of fabricating the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/053431 WO2008102456A1 (ja) 2007-02-23 2007-02-23 磁気記録媒体及びその製造方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/488,188 Continuation US20090252992A1 (en) 2007-02-23 2009-06-19 Magnetic recording medium and method of fabricating the same

Publications (1)

Publication Number Publication Date
WO2008102456A1 true WO2008102456A1 (ja) 2008-08-28

Family

ID=39709742

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/053431 Ceased WO2008102456A1 (ja) 2007-02-23 2007-02-23 磁気記録媒体及びその製造方法

Country Status (3)

Country Link
US (1) US20090252992A1 (ja)
JP (1) JP5009359B2 (ja)
WO (1) WO2008102456A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010152958A (ja) * 2008-12-24 2010-07-08 Hoya Corp 磁気ディスク

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005259209A (ja) * 2004-03-09 2005-09-22 Fuji Electric Device Technology Co Ltd 磁気記録媒体の製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5049410A (en) * 1989-11-01 1991-09-17 International Business Machines Corporation Lubricant film for a thin-film disk
US5723422A (en) * 1996-05-31 1998-03-03 Xerox Corporation Cleaning process for photoreceptor substrates
WO1997047000A1 (en) * 1996-06-04 1997-12-11 Seagate Technology, Inc. Polymeric perfluoro polyether phosphate lubricant topcoat
WO2001001403A1 (fr) * 1999-06-24 2001-01-04 Fujitsu Limited Procede de production d'un support d'enregistrement magnetique et support d'enregistrement magnetique ainsi obtenu
JP2001184622A (ja) * 1999-12-28 2001-07-06 Fuji Electric Co Ltd 磁気記録媒体とその製造方法、及び磁気記録装置
JP2001266337A (ja) * 2000-03-17 2001-09-28 Hitachi Ltd 磁気ディスクの製造方法
JP2002015419A (ja) * 2000-06-28 2002-01-18 Hitachi Ltd 磁気記録媒体製造方法
JP2006012215A (ja) * 2004-06-22 2006-01-12 Toshiba Corp 磁気記録媒体及びこれを用いた磁気記録再生装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005259209A (ja) * 2004-03-09 2005-09-22 Fuji Electric Device Technology Co Ltd 磁気記録媒体の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010152958A (ja) * 2008-12-24 2010-07-08 Hoya Corp 磁気ディスク

Also Published As

Publication number Publication date
US20090252992A1 (en) 2009-10-08
JP5009359B2 (ja) 2012-08-22
JPWO2008102456A1 (ja) 2010-05-27

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