DE3782969D1 - Magnetooptischer aufzeichnungstraeger. - Google Patents

Magnetooptischer aufzeichnungstraeger.

Info

Publication number
DE3782969D1
DE3782969D1 DE8787106415T DE3782969T DE3782969D1 DE 3782969 D1 DE3782969 D1 DE 3782969D1 DE 8787106415 T DE8787106415 T DE 8787106415T DE 3782969 T DE3782969 T DE 3782969T DE 3782969 D1 DE3782969 D1 DE 3782969D1
Authority
DE
Germany
Prior art keywords
recording carrier
magnetooptic recording
magnetooptic
carrier
recording
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
DE8787106415T
Other languages
English (en)
Other versions
DE3782969T2 (de
Inventor
Satoshi C O Osaka Works Takano
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries 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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Application granted granted Critical
Publication of DE3782969D1 publication Critical patent/DE3782969D1/de
Publication of DE3782969T2 publication Critical patent/DE3782969T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01F10/136—Amorphous metallic alloys, e.g. glassy metals containing rare earth metals containing transition metals containing iron
    • 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
    • G11B11/10589—Details
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Thin Magnetic Films (AREA)
DE8787106415T 1986-05-16 1987-05-04 Magnetooptischer aufzeichnungstraeger. Expired - Fee Related DE3782969T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61113016A JPS62267950A (ja) 1986-05-16 1986-05-16 磁気光学記録媒体

Publications (2)

Publication Number Publication Date
DE3782969D1 true DE3782969D1 (de) 1993-01-21
DE3782969T2 DE3782969T2 (de) 1993-04-29

Family

ID=14601322

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787106415T Expired - Fee Related DE3782969T2 (de) 1986-05-16 1987-05-04 Magnetooptischer aufzeichnungstraeger.

Country Status (4)

Country Link
US (1) US4780377A (de)
EP (1) EP0245743B1 (de)
JP (1) JPS62267950A (de)
DE (1) DE3782969T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4995024A (en) * 1987-10-30 1991-02-19 Kyocera Corporation Magneto-optical recording element
JP2685888B2 (ja) * 1989-04-07 1997-12-03 シャープ株式会社 磁気光学記録媒体
JPH02301043A (ja) * 1989-05-15 1990-12-13 Kyocera Corp ７００ｎｍ以下の再生波長用光磁気記録媒体

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57110239A (en) * 1980-12-27 1982-07-09 Medos Kenkyusho Kk Display apparatus of laser beam output in thereapeutic laser apparatus
JPS5984358A (ja) * 1982-11-04 1984-05-16 Seiko Instr & Electronics Ltd 光磁気記録媒体
JPS59178641A (ja) * 1983-03-29 1984-10-09 Kokusai Denshin Denwa Co Ltd <Kdd> 光磁気記録媒体
US4544443A (en) * 1983-05-13 1985-10-01 Shap Kabushiki Kaisha Method for manufacturing an optical memory element
JPS60117436A (ja) * 1983-11-29 1985-06-24 Sharp Corp 磁気光学記憶素子
JPS6115308A (ja) * 1984-07-02 1986-01-23 Hitachi Ltd 光磁気記録材料
JPS6134744A (ja) * 1984-07-25 1986-02-19 Hitachi Ltd 磁気光学記録媒体
JPH0614488B2 (ja) * 1984-10-17 1994-02-23 セイコーエプソン株式会社 光磁気記録媒体
JP2619623B2 (ja) * 1985-01-17 1997-06-11 セイコーエプソン株式会社 光磁気記録媒体

Also Published As

Publication number Publication date
EP0245743B1 (de) 1992-12-09
EP0245743A3 (en) 1989-04-05
DE3782969T2 (de) 1993-04-29
US4780377A (en) 1988-10-25
EP0245743A2 (de) 1987-11-19
JPS62267950A (ja) 1987-11-20

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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