DE69026910T2 - Verfahren zur Herstellung eines magnetooptischen Speichers - Google Patents

Verfahren zur Herstellung eines magnetooptischen Speichers

Info

Publication number
DE69026910T2
DE69026910T2 DE69026910T DE69026910T DE69026910T2 DE 69026910 T2 DE69026910 T2 DE 69026910T2 DE 69026910 T DE69026910 T DE 69026910T DE 69026910 T DE69026910 T DE 69026910T DE 69026910 T2 DE69026910 T2 DE 69026910T2
Authority
DE
Germany
Prior art keywords
magneto
manufacturing
optical memory
optical
memory
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
DE69026910T
Other languages
English (en)
Other versions
DE69026910D1 (de
Inventor
Bernard Bechevet
Didier Challeton
Bernard Rolland
Bruno Vallon
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of DE69026910D1 publication Critical patent/DE69026910D1/de
Application granted granted Critical
Publication of DE69026910T2 publication Critical patent/DE69026910T2/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
    • 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
    • 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
    • H01F41/14—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 magnetic films to substrates

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Thin Magnetic Films (AREA)
  • Physical Vapour Deposition (AREA)
DE69026910T 1989-12-06 1990-12-05 Verfahren zur Herstellung eines magnetooptischen Speichers Expired - Fee Related DE69026910T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8916117A FR2655463B1 (fr) 1989-12-06 1989-12-06 Procede de preparation d'une memoire magnetooptique.

Publications (2)

Publication Number Publication Date
DE69026910D1 DE69026910D1 (de) 1996-06-13
DE69026910T2 true DE69026910T2 (de) 1996-12-19

Family

ID=9388207

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69026910T Expired - Fee Related DE69026910T2 (de) 1989-12-06 1990-12-05 Verfahren zur Herstellung eines magnetooptischen Speichers

Country Status (5)

Country Link
US (1) US5169504A (de)
EP (1) EP0432038B1 (de)
JP (1) JP2966937B2 (de)
DE (1) DE69026910T2 (de)
FR (1) FR2655463B1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03242983A (ja) * 1990-02-06 1991-10-29 Internatl Business Mach Corp <Ibm> 磁気構造体の製造方法
JP3088168B2 (ja) * 1991-12-13 2000-09-18 ティーディーケイ株式会社 光記録媒体およびその製造方法
FR2714205A1 (fr) * 1993-12-17 1995-06-23 Atg Sa Matériau composite pour l'enregistrement magnéto-optique, sa préparation et son utilisation.
FR2746206B1 (fr) * 1996-03-15 1998-04-10 Support d'enregistrement magneto-optique et procede de realisation
US6251492B1 (en) * 1998-04-10 2001-06-26 Teijin Limited Optical recording medium
US6759137B1 (en) * 1998-08-28 2004-07-06 Centre National De La Recherche Scientifique, Inc. Opto-magnetic recording medium with a garnet ferrite recording layer, and opto-magnetic information recording/reproducing device
JP2001110635A (ja) * 1999-10-04 2001-04-20 Minebea Co Ltd 磁気光学体及びその製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8203725A (nl) * 1982-09-27 1984-04-16 Philips Nv Thermo-magneto-optische geheugeninrichting en registratiemedium daarvoor.
JPS59168950A (ja) * 1983-03-17 1984-09-22 Ricoh Co Ltd 光磁気記録媒体
DE3482886D1 (de) * 1983-11-17 1990-09-06 Nippon Sheet Glass Co Ltd Verfahren zur herstellung photothermomagnetischer aufzeichnungsfilme.
US4608142A (en) * 1983-11-17 1986-08-26 Nippon Sheet Glass Co., Ltd. Method of manufacturing magneto-optic recording film
DE3519070A1 (de) * 1984-05-29 1985-12-05 Ricoh Co., Ltd., Tokio/Tokyo Magneto-optisches aufzeichnungsmedium
JPS61222109A (ja) * 1985-03-27 1986-10-02 Nippon Sheet Glass Co Ltd 希土類鉄ガ−ネツト膜の製造方法
JPH0740380B2 (ja) * 1985-11-19 1995-05-01 株式会社リコー 光磁気記録材料

Also Published As

Publication number Publication date
DE69026910D1 (de) 1996-06-13
FR2655463A1 (fr) 1991-06-07
US5169504A (en) 1992-12-08
JPH03266241A (ja) 1991-11-27
EP0432038B1 (de) 1996-05-08
JP2966937B2 (ja) 1999-10-25
FR2655463B1 (fr) 1995-06-30
EP0432038A1 (de) 1991-06-12

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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