FR2531797B1 - Support d'enregistrement magnetique comportant un film mince en un metal ferromagnetique sur un support non magnetique - Google Patents

Support d'enregistrement magnetique comportant un film mince en un metal ferromagnetique sur un support non magnetique

Info

Publication number
FR2531797B1
FR2531797B1 FR8313284A FR8313284A FR2531797B1 FR 2531797 B1 FR2531797 B1 FR 2531797B1 FR 8313284 A FR8313284 A FR 8313284A FR 8313284 A FR8313284 A FR 8313284A FR 2531797 B1 FR2531797 B1 FR 2531797B1
Authority
FR
France
Prior art keywords
magnetic
medium
thin film
ferromagnetic metal
recording medium
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
Application number
FR8313284A
Other languages
English (en)
Other versions
FR2531797A1 (fr
Inventor
Kenji Yazawa
Kenichi Baba
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of FR2531797A1 publication Critical patent/FR2531797A1/fr
Application granted granted Critical
Publication of FR2531797B1 publication Critical patent/FR2531797B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/32—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying conductive, insulating or magnetic material on a magnetic film, specially adapted for a thin magnetic film
    • H01F41/34—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying conductive, insulating or magnetic material on a magnetic film, specially adapted for a thin magnetic film in patterns, e.g. by lithography
    • 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
    • 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
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • 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.]
    • Y10T428/12632—Four or more distinct components with alternate recurrence of each type component
    • 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.]
    • Y10T428/12681—Ga-, In-, Tl- or Group VA metal-base component
    • 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
    • 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
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • Y10T428/24967—Absolute thicknesses specified
    • Y10T428/24975—No layer or component greater than 5 mils thick
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)
FR8313284A 1982-08-12 1983-08-12 Support d'enregistrement magnetique comportant un film mince en un metal ferromagnetique sur un support non magnetique Expired FR2531797B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57140248A JPS5930230A (ja) 1982-08-12 1982-08-12 金属薄膜型磁気記録媒体

Publications (2)

Publication Number Publication Date
FR2531797A1 FR2531797A1 (fr) 1984-02-17
FR2531797B1 true FR2531797B1 (fr) 1986-05-09

Family

ID=15264354

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8313284A Expired FR2531797B1 (fr) 1982-08-12 1983-08-12 Support d'enregistrement magnetique comportant un film mince en un metal ferromagnetique sur un support non magnetique

Country Status (7)

Country Link
US (1) US4543301A (fr)
JP (1) JPS5930230A (fr)
CA (1) CA1216936A (fr)
DE (1) DE3328896A1 (fr)
FR (1) FR2531797B1 (fr)
GB (1) GB2127437B (fr)
NL (1) NL8302827A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0126565B1 (fr) * 1983-04-28 1987-09-02 Plasmon Data Systems N.V. Enregistrement et stockage d'informations
US4749628A (en) * 1986-04-29 1988-06-07 International Business Machines Corporation Multilayered vertical magnetic recording medium
JPS63237210A (ja) * 1987-03-25 1988-10-03 Sony Corp 磁気記録媒体
CN1013324B (zh) * 1988-04-28 1991-07-24 中国科学院物理研究所 磁光盘存储合金材料及其制备方法
JP2547651B2 (ja) * 1989-05-22 1996-10-23 日本板硝子株式会社 磁気記録媒体
DE69029024T2 (de) * 1989-10-05 1997-04-30 Ibm Magnetischer Dünnfilmspeicher und Verfahren zu seiner Herstellung
JP2943438B2 (ja) * 1991-02-18 1999-08-30 日本鋼管株式会社 リニアアレイ超音波探触子の駆動方法
JP2559941B2 (ja) * 1992-03-16 1996-12-04 インターナショナル・ビジネス・マシーンズ・コーポレイション 磁気記録媒体及びその製造方法並びに磁気記録装置
US5462796A (en) * 1992-05-21 1995-10-31 Stormedia, Inc. Flash chromium interlayer for improved hard disk magnetic recording performance
KR940000259A (ko) * 1992-06-12 1994-01-03 게리 리 그리스월드 테이프 지지체상에서의 다층 필름 제조 시스템 및 방법
US5705287A (en) * 1994-09-20 1998-01-06 International Business Machines Corporation Magnetic recording disk with metal nitride texturing layer
JP3954553B2 (ja) * 2003-09-30 2007-08-08 富士通株式会社 記録媒体およびその製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3350180A (en) * 1967-10-31 Magnetic device with alternating lami- na of magnetic material and non-mag- netic metal on a substrate
US3479156A (en) * 1966-10-20 1969-11-18 Burton Silverplating Co Multilayer magnetic coating
US3880603A (en) * 1970-10-12 1975-04-29 Clayton N Whetsone Laminated magnetic material
GB1458353A (fr) * 1973-01-17 1976-12-15
JPS5634142A (en) * 1979-08-25 1981-04-06 Hitachi Maxell Ltd Magnetic recording medium
JPS5798133A (en) * 1980-12-05 1982-06-18 Matsushita Electric Ind Co Ltd Magnetic recording medium
CA1188796A (fr) * 1981-04-14 1985-06-11 Kenji Yazawa Support d'enregistrement magnetique
JPS57191830A (en) * 1981-05-22 1982-11-25 Sony Corp Magnetic recording medium
JPS5819474A (ja) * 1981-07-27 1983-02-04 Victor Co Of Japan Ltd 機能性メツキ膜の製法
JPS5853021A (ja) * 1981-09-24 1983-03-29 Victor Co Of Japan Ltd 多層磁性薄膜

Also Published As

Publication number Publication date
JPS5930230A (ja) 1984-02-17
GB8321612D0 (en) 1983-09-14
FR2531797A1 (fr) 1984-02-17
US4543301A (en) 1985-09-24
CA1216936A (fr) 1987-01-20
NL8302827A (nl) 1984-03-01
GB2127437A (en) 1984-04-11
DE3328896A1 (de) 1984-02-16
GB2127437B (en) 1985-09-04

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Legal Events

Date Code Title Description
ST Notification of lapse