SG123698A1 - Perpendicular magnetic recording medium and magnetic recording/reproduction apparatus - Google Patents

Perpendicular magnetic recording medium and magnetic recording/reproduction apparatus

Info

Publication number
SG123698A1
SG123698A1 SG200507880A SG200507880A SG123698A1 SG 123698 A1 SG123698 A1 SG 123698A1 SG 200507880 A SG200507880 A SG 200507880A SG 200507880 A SG200507880 A SG 200507880A SG 123698 A1 SG123698 A1 SG 123698A1
Authority
SG
Singapore
Prior art keywords
magnetic recording
reproduction apparatus
recording medium
perpendicular magnetic
medium
Prior art date
Application number
SG200507880A
Other languages
English (en)
Inventor
Takeshi Iwasaki
Akira Kikitsu
Soichi Oikawa
Tomoyuki Maeda
Original Assignee
Toshiba Kk
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 Toshiba Kk filed Critical Toshiba Kk
Publication of SG123698A1 publication Critical patent/SG123698A1/en

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
    • G11B5/7369—Two or more non-magnetic underlayers, e.g. seed layers or barrier 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
    • G11B5/62—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
    • G11B5/7369—Two or more non-magnetic underlayers, e.g. seed layers or barrier layers
    • G11B5/737—Physical structure of underlayer, e.g. texture
SG200507880A 2004-12-27 2005-12-08 Perpendicular magnetic recording medium and magnetic recording/reproduction apparatus SG123698A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004378169A JP4327710B2 (ja) 2004-12-27 2004-12-27 垂直磁気記録媒体及び磁気記録再生装置

Publications (1)

Publication Number Publication Date
SG123698A1 true SG123698A1 (en) 2006-07-26

Family

ID=36611987

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200507880A SG123698A1 (en) 2004-12-27 2005-12-08 Perpendicular magnetic recording medium and magnetic recording/reproduction apparatus

Country Status (4)

Country Link
US (1) US7666531B2 (ja)
JP (1) JP4327710B2 (ja)
CN (1) CN100481211C (ja)
SG (1) SG123698A1 (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006268972A (ja) * 2005-03-24 2006-10-05 Hoya Corp 垂直磁気記録ディスク及びその製造方法
JP2007335034A (ja) * 2006-06-16 2007-12-27 Hoya Corp 垂直磁気記録ディスク及びその製造方法
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
US7662492B2 (en) * 2007-03-02 2010-02-16 Hitachi Global Storage Techologies Netherlands, B.V. Perpendicular magnetic recording medium having a multi-layer interlayer that includes BCC material
JP5397926B2 (ja) * 2007-08-31 2014-01-22 昭和電工株式会社 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
US20090190267A1 (en) * 2008-01-25 2009-07-30 Xiaoping Bian RuTi AS A SEED LAYER IN PERPENDICULAR RECORDING MEDIA
JP5177407B2 (ja) * 2008-07-16 2013-04-03 学校法人早稲田大学 磁気異方性垂直磁化膜及びその形成方法並びに磁気記録媒体及びその製造方法
JP4745421B2 (ja) * 2009-05-22 2011-08-10 株式会社東芝 垂直磁気記録媒体、及び磁気記録再生装置
JP2011040153A (ja) * 2010-09-15 2011-02-24 Wd Media Singapore Pte Ltd 垂直磁気記録ディスク及びその製造方法
JP4852180B2 (ja) * 2011-04-26 2012-01-11 株式会社東芝 垂直磁気記録媒体の製造方法
JP5665785B2 (ja) * 2012-03-22 2015-02-04 株式会社東芝 垂直磁気記録媒体、及び磁気記録再生装置
US9117477B2 (en) 2013-05-08 2015-08-25 HGST Netherlands B.V. Perpendicular magnetic recording media having novel seed layer
JP6109655B2 (ja) * 2013-06-27 2017-04-05 株式会社東芝 磁気記録媒体及び磁気記録再生装置
JP6221907B2 (ja) * 2014-03-31 2017-11-01 ソニー株式会社 磁気記録媒体
JP6399515B2 (ja) * 2014-11-26 2018-10-03 昭和電工株式会社 垂直磁気記録媒体及び磁気記録再生装置
KR102451098B1 (ko) 2015-09-23 2022-10-05 삼성전자주식회사 자기 메모리 장치 및 이의 제조 방법

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2911782B2 (ja) * 1995-06-28 1999-06-23 ホーヤ株式会社 磁気記録媒体及びその製造方法
US6383667B1 (en) * 1998-10-09 2002-05-07 Hitachi, Ltd. Magnetic recording medium
JP2002025032A (ja) * 2000-06-30 2002-01-25 Sony Corp 磁気記録媒体
SG91343A1 (en) * 2000-07-19 2002-09-17 Toshiba Kk Perpendicular magnetic recording medium and magnetic recording apparatus
US6847509B2 (en) 2001-02-01 2005-01-25 Kabushiki Kaisha Toshiba Magnetoresistive head and perpendicular magnetic recording-reproducing apparatus
US6500319B2 (en) * 2001-04-05 2002-12-31 Giner Electrochemical Systems, Llc Proton exchange membrane (PEM) electrochemical cell having an integral, electrically-conductive, compression pad
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
US6835475B2 (en) * 2001-07-26 2004-12-28 Hitachi Global Storage Technologies Netherlands B.V. Dual-layer perpendicular magnetic recording media with laminated underlayer formed with antiferromagnetically coupled films
US20030108776A1 (en) * 2001-12-06 2003-06-12 Seagate Technology Llc Pseudo-laminated soft underlayers for perpendicular magnetic recording media
JP2004030767A (ja) 2002-06-25 2004-01-29 Toshiba Corp 垂直磁気記録媒体および磁気記録装置
JP2004118956A (ja) * 2002-09-27 2004-04-15 Toshiba Corp 磁気記録媒体
KR100464318B1 (ko) * 2002-10-01 2005-01-03 삼성전자주식회사 자기기록매체
JP4074181B2 (ja) * 2002-11-28 2008-04-09 株式会社東芝 垂直磁気記録媒体
JP4428921B2 (ja) 2002-12-13 2010-03-10 キヤノン株式会社 ナノ構造体、電子デバイス、及びその製造方法
JP2004214251A (ja) 2002-12-27 2004-07-29 Hitachi Ltd 磁気抵抗効果素子、及びそれを備える磁気ヘッド並びに磁気記録再生装置
JP2004220737A (ja) 2003-01-17 2004-08-05 Fuji Electric Device Technology Co Ltd 垂直磁気記録媒体およびその製造方法
JP3725132B2 (ja) * 2003-03-31 2005-12-07 株式会社東芝 垂直磁気記録媒体、及びこれを用いた磁気記録再生装置

Also Published As

Publication number Publication date
JP2006185511A (ja) 2006-07-13
JP4327710B2 (ja) 2009-09-09
CN1822111A (zh) 2006-08-23
US7666531B2 (en) 2010-02-23
US20060141292A1 (en) 2006-06-29
CN100481211C (zh) 2009-04-22

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