DE3309483C2 - - Google Patents

Info

Publication number
DE3309483C2
DE3309483C2 DE19833309483 DE3309483A DE3309483C2 DE 3309483 C2 DE3309483 C2 DE 3309483C2 DE 19833309483 DE19833309483 DE 19833309483 DE 3309483 A DE3309483 A DE 3309483A DE 3309483 C2 DE3309483 C2 DE 3309483C2
Authority
DE
Germany
Prior art keywords
magneto
layer
recording material
optical recording
angle
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 - Lifetime
Application number
DE19833309483
Other languages
German (de)
English (en)
Other versions
DE3309483C3 (de
DE3309483A1 (de
Inventor
Yoshifumi Minoo Osaka Jp Sakurai
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.)
Canon Inc
Original Assignee
Canon Inc
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
Priority claimed from JP4241182A external-priority patent/JPS58159252A/ja
Priority claimed from JP3397383A external-priority patent/JPS59159510A/ja
Application filed by Canon Inc filed Critical Canon Inc
Priority to DE3348424A priority Critical patent/DE3348424C2/de
Publication of DE3309483A1 publication Critical patent/DE3309483A1/de
Application granted granted Critical
Publication of DE3309483C2 publication Critical patent/DE3309483C2/de
Publication of DE3309483C3 publication Critical patent/DE3309483C3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
    • H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
    • H01F10/12—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys
    • H01F10/13—Amorphous metallic alloys, e.g. glassy metals
    • H01F10/133—Amorphous metallic alloys, e.g. glassy metals containing rare earth metals
    • H01F10/135—Amorphous metallic alloys, e.g. glassy metals containing rare earth metals containing transition metals
    • H01F10/137—Amorphous metallic alloys, e.g. glassy metals containing rare earth metals containing transition metals containing cobalt
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/16—Layers for recording by changing the magnetic properties, e.g. for Curie-point-writing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
    • G11B11/10586—Record carriers characterised by the selection of the material or by the structure or form characterised by the selection of the material

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Thin Magnetic Films (AREA)
DE19833309483 1982-03-17 1983-03-16 Magnetooptisches Aufzeichnungsmaterial und dessen Verwendung Expired - Lifetime DE3309483C3 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE3348424A DE3348424C2 (de) 1982-03-17 1983-03-16 Verfahren zur Herstellung eines magnetooptischen Aufzeichnungsmaterials

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4241182A JPS58159252A (ja) 1982-03-17 1982-03-17 磁気光学記録媒体
JP3397383A JPS59159510A (ja) 1983-03-01 1983-03-01 磁気光学記録媒体

Publications (3)

Publication Number Publication Date
DE3309483A1 DE3309483A1 (de) 1983-09-29
DE3309483C2 true DE3309483C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-09-20
DE3309483C3 DE3309483C3 (de) 2003-02-27

Family

ID=26372760

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833309483 Expired - Lifetime DE3309483C3 (de) 1982-03-17 1983-03-16 Magnetooptisches Aufzeichnungsmaterial und dessen Verwendung

Country Status (1)

Country Link
DE (1) DE3309483C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS595450A (ja) * 1982-07-02 1984-01-12 Ricoh Co Ltd 光磁気記録媒体
JPS5961011A (ja) * 1982-09-30 1984-04-07 Ricoh Co Ltd 光磁気記録媒体
JPS6122608A (ja) * 1984-07-11 1986-01-31 Hitachi Ltd 光磁気記録材料
DE3536210A1 (de) * 1984-10-11 1986-04-17 Hitachi, Ltd., Tokio/Tokyo Magnetooptisches aufzeichnungsmedium
DE3904611A1 (de) * 1989-02-16 1990-08-23 Hoechst Ag Magnetooptische schicht und verfahren zu ihrer herstellung
DE4137427C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1991-11-14 1993-01-14 Hoechst Ag, 6230 Frankfurt, De

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2077065B (en) * 1980-02-23 1985-01-09 Sharp Kk Magnetooptic memory medium
JPS6032331B2 (ja) * 1980-03-12 1985-07-27 ケイディディ株式会社 磁気光学記録媒体

Also Published As

Publication number Publication date
DE3309483C3 (de) 2003-02-27
DE3309483A1 (de) 1983-09-29

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Legal Events

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Ipc: G03G 5/16

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