JP4643896B2 - 垂直磁気記録媒体 - Google Patents

垂直磁気記録媒体 Download PDF

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Publication number
JP4643896B2
JP4643896B2 JP2003186056A JP2003186056A JP4643896B2 JP 4643896 B2 JP4643896 B2 JP 4643896B2 JP 2003186056 A JP2003186056 A JP 2003186056A JP 2003186056 A JP2003186056 A JP 2003186056A JP 4643896 B2 JP4643896 B2 JP 4643896B2
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JP
Japan
Prior art keywords
magnetic recording
film
perpendicular magnetic
recording medium
underlayer
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
JP2003186056A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004063065A5 (enExample
JP2004063065A (ja
Inventor
丙 圭 李
▲薫▼ 翔 ▲呉▼
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of JP2004063065A publication Critical patent/JP2004063065A/ja
Publication of JP2004063065A5 publication Critical patent/JP2004063065A5/ja
Application granted granted Critical
Publication of JP4643896B2 publication Critical patent/JP4643896B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G11B5/73—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

Landscapes

  • Magnetic Record Carriers (AREA)
JP2003186056A 2002-07-27 2003-06-30 垂直磁気記録媒体 Expired - Fee Related JP4643896B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020020044462A KR100695121B1 (ko) 2002-07-27 2002-07-27 수직자기기록매체

Publications (3)

Publication Number Publication Date
JP2004063065A JP2004063065A (ja) 2004-02-26
JP2004063065A5 JP2004063065A5 (enExample) 2005-07-07
JP4643896B2 true JP4643896B2 (ja) 2011-03-02

Family

ID=30439401

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003186056A Expired - Fee Related JP4643896B2 (ja) 2002-07-27 2003-06-30 垂直磁気記録媒体

Country Status (5)

Country Link
US (1) US7101634B2 (enExample)
JP (1) JP4643896B2 (enExample)
KR (1) KR100695121B1 (enExample)
CN (1) CN100527227C (enExample)
SG (1) SG103926A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100601938B1 (ko) * 2004-01-09 2006-07-14 삼성전자주식회사 Ｃｏ계 수직자기기록매체
JP2005276367A (ja) * 2004-03-25 2005-10-06 Toshiba Corp 垂直磁気記録媒体及び磁気記録再生装置
JP2006085742A (ja) * 2004-09-14 2006-03-30 Hitachi Global Storage Technologies Netherlands Bv 垂直磁気記録媒体及びその製造方法
JP4580817B2 (ja) * 2005-05-27 2010-11-17 株式会社東芝 垂直磁気記録媒体及び垂直磁気記録再生装置
US9183865B1 (en) 2014-04-17 2015-11-10 HGST Netherlands B.V. Patterned perpendicular magnetic recording medium with ultrathin noble metal interlayer

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4677032A (en) * 1985-09-23 1987-06-30 International Business Machines Corporation Vertical magnetic recording media with multilayered magnetic film structure
US5400307A (en) * 1987-08-26 1995-03-21 Sony Corporation Magneto-optical recording medium with stacked layer structure
JPH04255943A (ja) * 1991-02-08 1992-09-10 Ricoh Co Ltd 光磁気記録媒体
JP3230223B2 (ja) * 1991-08-30 2001-11-19 ソニー株式会社 磁気記録媒体
JPH07192244A (ja) * 1992-04-30 1995-07-28 Sony Corp 垂直磁気記録媒体及びその製造方法
JPH06139637A (ja) * 1992-10-29 1994-05-20 Canon Inc 光磁気記録媒体
US5750270A (en) * 1995-02-07 1998-05-12 Conner Peripherals, Inc. Multi-layer magnetic recording media
US6475611B1 (en) * 1999-12-14 2002-11-05 Seagate Technology Llc Si-containing seedlayer design for multilayer media
JP4389381B2 (ja) * 2000-12-13 2009-12-24 昭和電工株式会社 磁気記録媒体及び磁気記録装置
KR100374793B1 (ko) * 2001-01-03 2003-03-04 삼성전자주식회사 수직 자기 기록 매체
KR100374794B1 (ko) * 2001-01-04 2003-03-04 삼성전자주식회사 수직 자기 기록 매체
JP4332833B2 (ja) * 2001-08-31 2009-09-16 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
US20030108776A1 (en) * 2001-12-06 2003-06-12 Seagate Technology Llc Pseudo-laminated soft underlayers for perpendicular magnetic recording media
US6986954B2 (en) * 2002-04-17 2006-01-17 Imation Corp. Perpendicular magnetic recording media
US7175925B2 (en) * 2003-06-03 2007-02-13 Seagate Technology Llc Perpendicular magnetic recording media with improved crystallographic orientations and method of manufacturing same

Also Published As

Publication number Publication date
KR100695121B1 (ko) 2007-03-14
US7101634B2 (en) 2006-09-05
CN1471086A (zh) 2004-01-28
KR20040011646A (ko) 2004-02-11
JP2004063065A (ja) 2004-02-26
US20040018391A1 (en) 2004-01-29
CN100527227C (zh) 2009-08-12
SG103926A1 (en) 2004-05-26

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