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WO2008149998A1 - 磁気記録媒体、その製造方法および磁気記録再生装置 - Google Patents

磁気記録媒体、その製造方法および磁気記録再生装置 Download PDF

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Publication number
WO2008149998A1
WO2008149998A1 PCT/JP2008/060498 JP2008060498W WO2008149998A1 WO 2008149998 A1 WO2008149998 A1 WO 2008149998A1 JP 2008060498 W JP2008060498 W JP 2008060498W WO 2008149998 A1 WO2008149998 A1 WO 2008149998A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic recording
recording medium
production
reproduction device
layers
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/JP2008/060498
Other languages
English (en)
French (fr)
Inventor
Migaku Takahashi
Shin Saito
Tomoyuki Maeda
Akihiko Takeo
Yuzo Sasaki
Ryuji Sakaguchi
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.)
Tohoku University NUC
Toshiba Corp
Resonac Holdings Corp
Original Assignee
Tohoku University NUC
Showa Denko KK
Toshiba Corp
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 Tohoku University NUC, Showa Denko KK, Toshiba Corp filed Critical Tohoku University NUC
Priority to US12/663,350 priority Critical patent/US8012613B2/en
Publication of WO2008149998A1 publication Critical patent/WO2008149998A1/ja
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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
    • G11B5/7379—Seed layer, e.g. at least one non-magnetic layer is specifically adapted as a seed or seeding layer
    • 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

Landscapes

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

Abstract

　非磁性基板上に、少なくとも１層の裏打ち層と少なくとも１層のシード層と少なくとも１層の下地層と少なくとも１層の垂直磁気記録膜を有する垂直磁気記録媒体において、前記シード層の少なくとも１層が共有結合性材料からなる磁気記録媒体。共有結合性材料としては、六方晶の結晶構造を有する窒化物を主成分として含むもの、特に、六方晶ウルツァイト型の結晶構造を有するＡｌＮを主成分として含むものがこのましい。この磁気記録媒体は、高密度の情報の記録再生が可能であるという特性を有する。
PCT/JP2008/060498 2007-06-06 2008-06-06 磁気記録媒体、その製造方法および磁気記録再生装置 Ceased WO2008149998A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/663,350 US8012613B2 (en) 2007-06-06 2008-06-06 Magnetic recording medium, process for producing same, and magnetic recording reproducing apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-149900 2007-06-06
JP2007149900A JP5019955B2 (ja) 2007-06-06 2007-06-06 磁気記録媒体、その製造方法および磁気記録再生装置

Publications (1)

Publication Number Publication Date
WO2008149998A1 true WO2008149998A1 (ja) 2008-12-11

Family

ID=40093802

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/060498 Ceased WO2008149998A1 (ja) 2007-06-06 2008-06-06 磁気記録媒体、その製造方法および磁気記録再生装置

Country Status (4)

Country Link
US (1) US8012613B2 (ja)
JP (1) JP5019955B2 (ja)
TW (1) TW200917239A (ja)
WO (1) WO2008149998A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112185428A (zh) * 2019-07-01 2021-01-05 昭和电工株式会社 磁记录介质及其制造方法、以及磁记录再生装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8758912B2 (en) * 2011-09-16 2014-06-24 WD Media, LLC Interlayers for magnetic recording media
JP6073194B2 (ja) * 2013-07-03 2017-02-01 昭和電工株式会社 磁気記録媒体、磁気記憶装置
US11763845B2 (en) * 2021-12-08 2023-09-19 Seagate Technology Llc Magnetic stack including non-magnetic seed layer for hard disk drive media

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62132224A (ja) * 1985-12-04 1987-06-15 Mitsubishi Electric Corp 垂直磁気記録媒体
JP2002222517A (ja) * 2001-01-25 2002-08-09 Sony Corp 磁気記録媒体
JP2003036525A (ja) * 2001-07-25 2003-02-07 Fuji Electric Co Ltd 垂直磁気記録媒体及びその製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3822387B2 (ja) 1999-06-17 2006-09-20 株式会社東芝 磁気記録媒体
JP4626840B2 (ja) * 2001-08-31 2011-02-09 富士電機デバイステクノロジー株式会社 垂直磁気記録媒体及びその製造方法
US6579590B2 (en) * 2001-11-16 2003-06-17 Hitachi Global Storage Technologies Netherlands B.V. Thermally-assisted magnetic recording disk with multilayered thermal barrier
JP4080808B2 (ja) 2002-08-01 2008-04-23 昭和電工株式会社 磁気記録媒体、および磁気記録再生装置
US7138194B2 (en) * 2002-08-01 2006-11-21 Showa Denko K.K. Magnetic recording medium, method of manufacture therefor, and magnetic read/write apparatus
JP2006155865A (ja) * 2004-10-29 2006-06-15 Ken Takahashi 垂直磁気記録媒体および垂直磁気記録再生装置
JP2008192249A (ja) * 2007-02-06 2008-08-21 Showa Denko Kk 垂直磁気記録媒体、その製造方法および磁気記録再生装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62132224A (ja) * 1985-12-04 1987-06-15 Mitsubishi Electric Corp 垂直磁気記録媒体
JP2002222517A (ja) * 2001-01-25 2002-08-09 Sony Corp 磁気記録媒体
JP2003036525A (ja) * 2001-07-25 2003-02-07 Fuji Electric Co Ltd 垂直磁気記録媒体及びその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112185428A (zh) * 2019-07-01 2021-01-05 昭和电工株式会社 磁记录介质及其制造方法、以及磁记录再生装置

Also Published As

Publication number Publication date
TW200917239A (en) 2009-04-16
US20100173175A1 (en) 2010-07-08
JP5019955B2 (ja) 2012-09-05
US8012613B2 (en) 2011-09-06
JP2008305466A (ja) 2008-12-18

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