CN100527227C - 垂直磁记录介质 - Google Patents

垂直磁记录介质 Download PDF

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Publication number
CN100527227C
CN100527227C CNB031484069A CN03148406A CN100527227C CN 100527227 C CN100527227 C CN 100527227C CN B031484069 A CNB031484069 A CN B031484069A CN 03148406 A CN03148406 A CN 03148406A CN 100527227 C CN100527227 C CN 100527227C
Authority
CN
China
Prior art keywords
magnetic recording
perpendicular magnetic
layer
recording medium
liner
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
CNB031484069A
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English (en)
Chinese (zh)
Other versions
CN1471086A (zh
Inventor
李丙圭
吴薰翔
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 CN1471086A publication Critical patent/CN1471086A/zh
Application granted granted Critical
Publication of CN100527227C publication Critical patent/CN100527227C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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)
CNB031484069A 2002-07-27 2003-06-27 垂直磁记录介质 Expired - Fee Related CN100527227C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR44462/2002 2002-07-27
KR1020020044462A KR100695121B1 (ko) 2002-07-27 2002-07-27 수직자기기록매체
KR44462/02 2002-07-27

Publications (2)

Publication Number Publication Date
CN1471086A CN1471086A (zh) 2004-01-28
CN100527227C true CN100527227C (zh) 2009-08-12

Family

ID=30439401

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB031484069A Expired - Fee Related CN100527227C (zh) 2002-07-27 2003-06-27 垂直磁记录介质

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
JP4643896B2 (ja) 2011-03-02
JP2004063065A (ja) 2004-02-26
US20040018391A1 (en) 2004-01-29
SG103926A1 (en) 2004-05-26

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C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090812

Termination date: 20140627

EXPY Termination of patent right or utility model