DE69313246T2 - Herstellungsverfahren magnetischer Aufzeichnungsträger - Google Patents

Herstellungsverfahren magnetischer Aufzeichnungsträger

Info

Publication number
DE69313246T2
DE69313246T2 DE69313246T DE69313246T DE69313246T2 DE 69313246 T2 DE69313246 T2 DE 69313246T2 DE 69313246 T DE69313246 T DE 69313246T DE 69313246 T DE69313246 T DE 69313246T DE 69313246 T2 DE69313246 T2 DE 69313246T2
Authority
DE
Germany
Prior art keywords
manufacturing process
magnetic recording
recording media
media
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
DE69313246T
Other languages
English (en)
Other versions
DE69313246D1 (de
Inventor
Ryuji Sugita
Kiyokazu Tohma
Tatsuaki Ishida
Yasuaki Ban
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69313246D1 publication Critical patent/DE69313246D1/de
Application granted granted Critical
Publication of DE69313246T2 publication Critical patent/DE69313246T2/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
    • G11B5/674—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 differing macroscopic or microscopic structures, e.g. differing crystalline lattices, varying atomic structures or differing roughnesses
    • 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12931—Co-, Fe-, or Ni-base components, alternative to each other

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)
DE69313246T 1992-11-12 1993-11-11 Herstellungsverfahren magnetischer Aufzeichnungsträger Expired - Fee Related DE69313246T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4302026A JPH06150289A (ja) 1992-11-12 1992-11-12 磁気記録媒体及びその製造方法

Publications (2)

Publication Number Publication Date
DE69313246D1 DE69313246D1 (de) 1997-09-25
DE69313246T2 true DE69313246T2 (de) 1998-01-29

Family

ID=17904011

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69313246T Expired - Fee Related DE69313246T2 (de) 1992-11-12 1993-11-11 Herstellungsverfahren magnetischer Aufzeichnungsträger

Country Status (5)

Country Link
US (1) US5534324A (de)
EP (1) EP0597480B1 (de)
JP (1) JPH06150289A (de)
KR (1) KR0185237B1 (de)
DE (1) DE69313246T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3323660B2 (ja) * 1994-08-18 2002-09-09 松下電器産業株式会社 磁気記録媒体と薄膜の製造方法及び薄膜の製造装置
JPH08129736A (ja) * 1994-11-01 1996-05-21 Matsushita Electric Ind Co Ltd 磁気記録媒体
US6482330B1 (en) * 1999-10-01 2002-11-19 Komag, Inc. Method for manufacturing a data storage card
JP3867544B2 (ja) * 2001-10-16 2007-01-10 ソニー株式会社 磁気記録媒体およびその製造方法
JP4033795B2 (ja) * 2002-11-28 2008-01-16 株式会社日立グローバルストレージテクノロジーズ 磁気記録媒体及びそれを搭載した磁気記録装置
US7144640B2 (en) * 2003-08-01 2006-12-05 Agency For Science, Technology And Research Tilted media for hard disk drives and magnetic data storage devices
US20050244680A1 (en) * 2004-05-03 2005-11-03 Imation Corp. Environmentally stable metal-evaporated recording media
JP3965404B2 (ja) * 2004-10-18 2007-08-29 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ 磁気記録媒体及びその製造方法
US7773333B2 (en) * 2007-08-10 2010-08-10 International Business Machines Corporation Recording data simultaneously at two depths of a tilted magnetic medium

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5798133A (en) * 1980-12-05 1982-06-18 Matsushita Electric Ind Co Ltd Magnetic recording medium
JPS5958804A (ja) * 1982-09-28 1984-04-04 Matsushita Electric Ind Co Ltd 磁気記録媒体
JPS59178617A (ja) * 1983-03-30 1984-10-09 Tdk Corp 磁気記録媒体の製造方法
JPS59185024A (ja) * 1983-04-04 1984-10-20 Matsushita Electric Ind Co Ltd 磁気記録媒体
JPH0772934B2 (ja) * 1986-06-04 1995-08-02 富士写真フイルム株式会社 磁気記録媒体
JPS62289911A (ja) * 1986-06-10 1987-12-16 Hitachi Maxell Ltd 磁気記録媒体およびその製造方法
US4770924A (en) * 1986-07-02 1988-09-13 Tdk Corporation Magnetic recording medium
JPH0760482B2 (ja) * 1986-07-02 1995-06-28 ティーディーケイ株式会社 磁気記録方法
EP0488377B1 (de) * 1990-11-30 1997-04-16 Sony Corporation Magnetischer Aufnahmeträger und Verfahren zur magnetischen Aufnahme von analogen oder, vorzugsweise, digitalen Bildsignalen

Also Published As

Publication number Publication date
JPH06150289A (ja) 1994-05-31
KR940012262A (ko) 1994-06-23
EP0597480B1 (de) 1997-08-20
US5534324A (en) 1996-07-09
DE69313246D1 (de) 1997-09-25
KR0185237B1 (ko) 1999-04-15
EP0597480A1 (de) 1994-05-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee