IT1231793B - Supporto di registrazione magnetoottico, capace di sovrascrittura - Google Patents

Supporto di registrazione magnetoottico, capace di sovrascrittura

Info

Publication number
IT1231793B
IT1231793B IT8948272A IT4827289A IT1231793B IT 1231793 B IT1231793 B IT 1231793B IT 8948272 A IT8948272 A IT 8948272A IT 4827289 A IT4827289 A IT 4827289A IT 1231793 B IT1231793 B IT 1231793B
Authority
IT
Italy
Prior art keywords
overwriting
magneto
optic
registration support
registration
Prior art date
Application number
IT8948272A
Other languages
English (en)
Other versions
IT8948272A0 (it
Inventor
Haruhisa Iida
Hiroyuki Matsumoto
Original Assignee
Nikon 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 Nikon Corp filed Critical Nikon Corp
Publication of IT8948272A0 publication Critical patent/IT8948272A0/it
Application granted granted Critical
Publication of IT1231793B publication Critical patent/IT1231793B/it

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
    • G11B11/10591—Details for improving write-in properties, e.g. Curie-point temperature
IT8948272A 1988-02-03 1989-08-03 Supporto di registrazione magnetoottico, capace di sovrascrittura IT1231793B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63023357A JPH01199341A (ja) 1988-02-03 1988-02-03 磁性層間の交換総合力が制御されたオーバーライト可能な光磁気記録媒体

Publications (2)

Publication Number Publication Date
IT8948272A0 IT8948272A0 (it) 1989-08-03
IT1231793B true IT1231793B (it) 1992-01-14

Family

ID=12108321

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8948272A IT1231793B (it) 1988-02-03 1989-08-03 Supporto di registrazione magnetoottico, capace di sovrascrittura

Country Status (4)

Country Link
JP (1) JPH01199341A (it)
DE (1) DE3903248A1 (it)
GB (1) GB2234842B (it)
IT (1) IT1231793B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5233578A (en) * 1988-12-28 1993-08-03 Canon Kabushiki Kaisha Method of recording information on a recording medium having at least two magnetic layers
FR2650692B1 (fr) * 1989-08-03 1994-09-16 Nikon Corp Support d'enregistrement magneto-optique autorisant une superposition d'ecriture
GB9216074D0 (en) * 1992-07-28 1992-09-09 Johnson Matthey Plc Magneto-optical recording materials system
US5546337A (en) * 1994-01-31 1996-08-13 Terastore, Inc. Method and apparatus for storing data using spin-polarized electrons
US5446687A (en) * 1994-01-31 1995-08-29 Terastore, Inc. Data storage medium for storing data as a polarization of a data magnetic field and method and apparatus using spin-polarized electrons for storing the data onto the data storage medium and reading the stored data therefrom
US6304481B1 (en) 1994-01-31 2001-10-16 Terastore, Inc. Method and apparatus for storing data using spin-polarized electrons

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3852329T2 (de) * 1987-03-13 1995-08-03 Canon Kk Magneto-optisches Aufzeichnungsmedium und Verfahren.

Also Published As

Publication number Publication date
GB2234842B (en) 1993-11-03
IT8948272A0 (it) 1989-08-03
DE3903248A1 (de) 1989-08-17
JPH01199341A (ja) 1989-08-10
GB2234842A (en) 1991-02-13
GB8917685D0 (en) 1989-09-20

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960809