JPH0350342B2 - - Google Patents

Info

Publication number
JPH0350342B2
JPH0350342B2 JP59109618A JP10961884A JPH0350342B2 JP H0350342 B2 JPH0350342 B2 JP H0350342B2 JP 59109618 A JP59109618 A JP 59109618A JP 10961884 A JP10961884 A JP 10961884A JP H0350342 B2 JPH0350342 B2 JP H0350342B2
Authority
JP
Japan
Prior art keywords
layer
magneto
recording medium
magnetic recording
optical 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 - Lifetime
Application number
JP59109618A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60254433A (ja
Inventor
Ichiro Saito
Yoichi Oosato
Hidekazu Fujii
Kozo Arao
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP10961884A priority Critical patent/JPS60254433A/ja
Publication of JPS60254433A publication Critical patent/JPS60254433A/ja
Priority to US07/246,970 priority patent/US4999260A/en
Publication of JPH0350342B2 publication Critical patent/JPH0350342B2/ja
Granted 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
    • 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
JP10961884A 1984-05-31 1984-05-31 磁気光学記録媒体 Granted JPS60254433A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP10961884A JPS60254433A (ja) 1984-05-31 1984-05-31 磁気光学記録媒体
US07/246,970 US4999260A (en) 1984-05-31 1988-09-21 Magneto-optical recording medium comprising a rare-earth-transition metal dispersed in a dielectric

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10961884A JPS60254433A (ja) 1984-05-31 1984-05-31 磁気光学記録媒体

Publications (2)

Publication Number Publication Date
JPS60254433A JPS60254433A (ja) 1985-12-16
JPH0350342B2 true JPH0350342B2 (en]) 1991-08-01

Family

ID=14514855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10961884A Granted JPS60254433A (ja) 1984-05-31 1984-05-31 磁気光学記録媒体

Country Status (1)

Country Link
JP (1) JPS60254433A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6371961A (ja) * 1986-09-16 1988-04-01 Toshiba Corp 光磁気記録媒体
JPH01211253A (ja) * 1988-02-17 1989-08-24 Victor Co Of Japan Ltd 光学的情報信号記録媒体
JPH04121841A (ja) * 1990-09-11 1992-04-22 Matsushita Electric Ind Co Ltd 光記録媒体と光記録媒体用反射膜

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4425570A (en) * 1981-06-12 1984-01-10 Rca Corporation Reversible recording medium and information record

Also Published As

Publication number Publication date
JPS60254433A (ja) 1985-12-16

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