DE60203093D1 - Senkrechtes magnetisches Aufzeichnungsmittel und Informationsspeichergerät - Google Patents

Senkrechtes magnetisches Aufzeichnungsmittel und Informationsspeichergerät

Info

Publication number
DE60203093D1
DE60203093D1 DE60203093T DE60203093T DE60203093D1 DE 60203093 D1 DE60203093 D1 DE 60203093D1 DE 60203093 T DE60203093 T DE 60203093T DE 60203093 T DE60203093 T DE 60203093T DE 60203093 D1 DE60203093 D1 DE 60203093D1
Authority
DE
Germany
Prior art keywords
storage device
recording medium
information storage
magnetic recording
vertical magnetic
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
DE60203093T
Other languages
English (en)
Other versions
DE60203093T2 (de
Inventor
Toshio Sugimoto
Takuya Uzumaki
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.)
Resonac Holdings Corp
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
Publication of DE60203093D1 publication Critical patent/DE60203093D1/de
Application granted granted Critical
Publication of DE60203093T2 publication Critical patent/DE60203093T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
    • G11B5/676—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having magnetic layers separated by a nonmagnetic layer, e.g. antiferromagnetic layer, Cu layer or coupling 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
DE60203093T 2001-12-27 2002-12-06 Senkrechtes magnetisches Aufzeichnungsmittel und Informationsspeichergerät Expired - Fee Related DE60203093T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001397814A JP3947001B2 (ja) 2001-12-27 2001-12-27 情報記録媒体及び情報記憶装置
JP2001397814 2001-12-27

Publications (2)

Publication Number Publication Date
DE60203093D1 true DE60203093D1 (de) 2005-04-07
DE60203093T2 DE60203093T2 (de) 2005-07-21

Family

ID=19189246

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60203093T Expired - Fee Related DE60203093T2 (de) 2001-12-27 2002-12-06 Senkrechtes magnetisches Aufzeichnungsmittel und Informationsspeichergerät

Country Status (6)

Country Link
US (1) US6875527B2 (de)
EP (1) EP1324317B1 (de)
JP (1) JP3947001B2 (de)
KR (1) KR100897873B1 (de)
CN (1) CN1212610C (de)
DE (1) DE60203093T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100757816B1 (ko) * 2001-05-23 2007-09-11 후지쯔 가부시끼가이샤 수직 기록형의 자기 기록 매체 및 이것을 사용한 자기기억 장치
WO2007114400A1 (ja) * 2006-03-31 2007-10-11 Hoya Corporation 垂直磁気記録媒体の製造方法
JP4711984B2 (ja) * 2007-02-26 2011-06-29 昭和電工株式会社 垂直磁気記録媒体、磁気記憶装置および磁気記録方法
FR2923644A1 (fr) * 2007-11-12 2009-05-15 Centre Nat Rech Scient Dispositif d'enregistrement magnetique, notamment pour disque dur et son procede de fabrication
US7833266B2 (en) * 2007-11-28 2010-11-16 Boston Scientific Scimed, Inc. Bifurcated stent with drug wells for specific ostial, carina, and side branch treatment
US7951193B2 (en) * 2008-07-23 2011-05-31 Boston Scientific Scimed, Inc. Drug-eluting stent

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07105082B2 (ja) * 1985-11-28 1995-11-13 ソニー株式会社 光磁気記録媒体
JPH02227814A (ja) * 1989-02-28 1990-09-11 Mitsubishi Electric Corp 垂直磁気記録媒体及びその製造方法
EP0642125B1 (de) * 1993-08-04 1999-10-20 Koninklijke Philips Electronics N.V. Magnetooptisches Aufzeichnungsmedium
US5663935A (en) * 1995-02-08 1997-09-02 Canon Kabushiki Kaisha Magneto-optical recording medium having two magnetic layers of exchange-coupled at ferromagnetic phase
US5717662A (en) * 1995-05-12 1998-02-10 Canon Kabushiki Kaisha Super-resolution magneto-optical recording medium using magnetostatic coupling and information reproduction method using the medium
JP2000132824A (ja) * 1998-10-29 2000-05-12 Fujitsu Ltd 拡散防止層を有する磁気記録媒体
JP4097814B2 (ja) * 1998-11-16 2008-06-11 シャープ株式会社 磁気記録媒体および磁気再生方法
JP2000215431A (ja) 1999-01-28 2000-08-04 Hitachi Ltd 磁気記録用媒体
EP1302933B1 (de) * 1999-06-08 2004-09-08 Fujitsu Limited Magnetisches Aufzeichnungsmittel
JP2001148109A (ja) 1999-11-19 2001-05-29 Hitachi Maxell Ltd 磁気ディスク、磁気ディスク装置
JP2003016620A (ja) * 2001-06-29 2003-01-17 Toshiba Corp 磁気記録媒体、磁気記録装置および磁気記録方法

Also Published As

Publication number Publication date
US20030169615A1 (en) 2003-09-11
EP1324317B1 (de) 2005-03-02
KR100897873B1 (ko) 2009-05-15
KR20030057311A (ko) 2003-07-04
EP1324317A1 (de) 2003-07-02
DE60203093T2 (de) 2005-07-21
CN1212610C (zh) 2005-07-27
JP2003203322A (ja) 2003-07-18
CN1430208A (zh) 2003-07-16
US6875527B2 (en) 2005-04-05
JP3947001B2 (ja) 2007-07-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SHOWA DENKO K.K., MINATO-KU, TOKYO, JP

8339 Ceased/non-payment of the annual fee