DE69020799T2 - Verfahren zur Herstellung einer magnetooptischen Scheibe und magnetooptische Scheibe, hergestellt mit diesem Verfahren. - Google Patents

Verfahren zur Herstellung einer magnetooptischen Scheibe und magnetooptische Scheibe, hergestellt mit diesem Verfahren.

Info

Publication number
DE69020799T2
DE69020799T2 DE69020799T DE69020799T DE69020799T2 DE 69020799 T2 DE69020799 T2 DE 69020799T2 DE 69020799 T DE69020799 T DE 69020799T DE 69020799 T DE69020799 T DE 69020799T DE 69020799 T2 DE69020799 T2 DE 69020799T2
Authority
DE
Germany
Prior art keywords
magneto
optical disc
manufacturing
disc made
optical
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
DE69020799T
Other languages
English (en)
Other versions
DE69020799D1 (de
Inventor
Tomoyuki Miyake
Hiroyuki Katayama
Junichiro Nakayama
Yoshiteru Murakiami
Kenji Ohta
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Publication of DE69020799D1 publication Critical patent/DE69020799D1/de
Application granted granted Critical
Publication of DE69020799T2 publication Critical patent/DE69020799T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/101—Supporting materials without tension, e.g. on or between foraminous belts
    • F26B13/103—Supporting materials without tension, e.g. on or between foraminous belts with mechanical supporting means, e.g. belts, rollers, and fluid impingement arrangement having a displacing effect on the materials
    • 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
    • G11B11/10584—Record carriers characterised by the selection of the material or by the structure or form characterised by the form, e.g. comprising mechanical protection elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
DE69020799T 1989-05-15 1990-05-15 Verfahren zur Herstellung einer magnetooptischen Scheibe und magnetooptische Scheibe, hergestellt mit diesem Verfahren. Expired - Fee Related DE69020799T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1121816A JP2551994B2 (ja) 1989-05-15 1989-05-15 光磁気ディスクの製造方法

Publications (2)

Publication Number Publication Date
DE69020799D1 DE69020799D1 (de) 1995-08-17
DE69020799T2 true DE69020799T2 (de) 1996-01-04

Family

ID=14820643

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69020799T Expired - Fee Related DE69020799T2 (de) 1989-05-15 1990-05-15 Verfahren zur Herstellung einer magnetooptischen Scheibe und magnetooptische Scheibe, hergestellt mit diesem Verfahren.

Country Status (5)

Country Link
US (1) US5082690A (de)
EP (1) EP0398662B1 (de)
JP (1) JP2551994B2 (de)
CA (1) CA2016815C (de)
DE (1) DE69020799T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6587427B1 (en) 1998-06-01 2003-07-01 Terastor Corporation Magneto-optical recording medium
JP2009080871A (ja) * 2007-09-25 2009-04-16 Taiyo Yuden Co Ltd 光情報記録媒体
EP2071570A1 (de) * 2007-12-12 2009-06-17 Taiyoyuden Co., Ltd. Optisches Informationsaufzeichnungsmedium und Herstellungsverfahren dafür
JP4755680B2 (ja) * 2007-12-12 2011-08-24 太陽誘電株式会社 光情報記録媒体およびその製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5548836A (en) * 1978-09-30 1980-04-08 Pioneer Electronic Corp Signal recording board and recording and reproducing method
JPS6079540A (ja) * 1983-10-06 1985-05-07 C B S Sony Rekoode Kk 光学式記録媒体
JPH0719401B2 (ja) * 1984-12-12 1995-03-06 ティーディーケイ株式会社 光磁気記録媒体
JPS6273440A (ja) * 1985-09-26 1987-04-04 Sharp Corp 光メモリ素子
EP0245833B1 (de) * 1986-05-14 1991-10-09 Teijin Limited Magneto-optischer Aufzeichnungsträger
JPS63122037A (ja) * 1986-11-12 1988-05-26 Fuji Electric Co Ltd 光磁気記録媒体
JPS6486342A (en) * 1987-09-29 1989-03-31 Nippon Denki Home Electronics Optical disk and its manufacture
JPH02128346A (ja) * 1988-11-08 1990-05-16 Fuji Photo Film Co Ltd 光磁気デイスク

Also Published As

Publication number Publication date
DE69020799D1 (de) 1995-08-17
JP2551994B2 (ja) 1996-11-06
CA2016815A1 (en) 1990-11-15
EP0398662A2 (de) 1990-11-22
CA2016815C (en) 1995-04-04
EP0398662B1 (de) 1995-07-12
US5082690A (en) 1992-01-21
EP0398662A3 (de) 1991-05-15
JPH02301044A (ja) 1990-12-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN

8339 Ceased/non-payment of the annual fee