DE3879884D1 - Magnetooptischer aufzeichnungstraeger. - Google Patents

Magnetooptischer aufzeichnungstraeger.

Info

Publication number
DE3879884D1
DE3879884D1 DE8888119496T DE3879884T DE3879884D1 DE 3879884 D1 DE3879884 D1 DE 3879884D1 DE 8888119496 T DE8888119496 T DE 8888119496T DE 3879884 T DE3879884 T DE 3879884T DE 3879884 D1 DE3879884 D1 DE 3879884D1
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
DE8888119496T
Other languages
English (en)
Other versions
DE3879884T2 (de
Inventor
Inc Saito
Inc Takenouchi
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
Application granted granted Critical
Publication of DE3879884D1 publication Critical patent/DE3879884D1/de
Publication of DE3879884T2 publication Critical patent/DE3879884T2/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
    • 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
    • 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
    • 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
DE88119496T 1987-11-25 1988-11-23 Magnetooptischer Aufzeichnungsträger. Expired - Fee Related DE3879884T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62296779A JPH01138640A (ja) 1987-11-25 1987-11-25 光磁気記録媒体

Publications (2)

Publication Number Publication Date
DE3879884D1 true DE3879884D1 (de) 1993-05-06
DE3879884T2 DE3879884T2 (de) 1993-10-14

Family

ID=17838024

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88119496T Expired - Fee Related DE3879884T2 (de) 1987-11-25 1988-11-23 Magnetooptischer Aufzeichnungsträger.

Country Status (4)

Country Link
US (1) US5545477A (de)
EP (1) EP0317982B1 (de)
JP (1) JPH01138640A (de)
DE (1) DE3879884T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0531808B1 (de) * 1991-09-09 1997-02-05 Shin-Etsu Chemical Co., Ltd. Magneto-optisches Aufzeichnungsmedium

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3317101A1 (de) * 1982-05-10 1983-11-10 Canon K.K., Tokyo Magnetooptischer aufzeichnungstraeger
US4693943A (en) * 1982-05-10 1987-09-15 Canon Kabushiki Kaisha Magnetooptical recording medium
FR2560419B1 (fr) * 1984-02-29 1986-06-13 Bull Sa Milieu d'enregistrement magneto-optique
JPS60197965A (ja) * 1984-03-21 1985-10-07 Canon Inc 磁気記録媒体
JPS6129437A (ja) * 1984-07-20 1986-02-10 Canon Inc 光磁気記録媒体
JPH0697514B2 (ja) * 1985-02-21 1994-11-30 シャープ株式会社 磁気光学記憶素子
JPS6252743A (ja) * 1985-09-02 1987-03-07 Canon Inc 光学的記録媒体
JPS62267944A (ja) * 1986-05-16 1987-11-20 Hitachi Ltd 磁気記録媒体

Also Published As

Publication number Publication date
EP0317982A3 (en) 1990-08-22
EP0317982B1 (de) 1993-03-31
EP0317982A2 (de) 1989-05-31
JPH01138640A (ja) 1989-05-31
DE3879884T2 (de) 1993-10-14
US5545477A (en) 1996-08-13

Similar Documents

Publication Publication Date Title
DE3866314D1 (de) Magnetooptischer aufzeichnungstraeger.
DE3888860D1 (de) Magnetischer Aufzeichnungsträger.
DE3850833D1 (de) Magnetischer Aufzeichnungsträger.
DE3784948D1 (de) Magnetischer aufzeichnungstraeger.
DE3781712D1 (de) Magnetischer aufzeichnungstraeger.
DE3577247D1 (de) Magneto-optischer aufzeichnungstraeger.
DE3685236D1 (de) Magnetooptischer informationstraeger.
DE69013099D1 (de) Magnetischer Aufzeichnungsträger.
DE3784085D1 (de) Magnetischer aufzeichnungstraeger.
DE69020224D1 (de) Magnetischer Aufzeichnungsträger.
DE3675726D1 (de) Aufzeichnungstraeger.
DE3788972D1 (de) Magnetischer Aufzeichnungsträger.
DE3577490D1 (de) Magnetischer aufzeichnungstraeger.
DE3575627D1 (de) Magnetischer aufzeichnungstraeger.
DE3773531D1 (de) Magneto-optischer aufzeichnungstraeger.
DE3776688D1 (de) Magnetischer aufzeichnungstraeger.
DE3789130D1 (de) Magnetischer Aufzeichnungsträger.
DE69005471D1 (de) Magnetischer Aufzeichnungsträger.
DE3575034D1 (de) Magnetischer aufzeichnungstraeger.
DE3788295D1 (de) Magnetischer Aufzeichnungsträger.
DE3778424D1 (de) Magnetischer aufzeichnungstraeger.
DE68909002D1 (de) Magnetischer Aufzeichnungsträger.
DE3883310D1 (de) Magnetooptische datentraeger.
DE3889137D1 (de) Magnetischer Aufzeichnungsträger.
DE3787057D1 (de) Magnetooptischer aufzeichnungstraeger.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee