JPS60254433A - 磁気光学記録媒体 - Google Patents

磁気光学記録媒体

Info

Publication number
JPS60254433A
JPS60254433A JP10961884A JP10961884A JPS60254433A JP S60254433 A JPS60254433 A JP S60254433A JP 10961884 A JP10961884 A JP 10961884A JP 10961884 A JP10961884 A JP 10961884A JP S60254433 A JPS60254433 A JP S60254433A
Authority
JP
Japan
Prior art keywords
magneto
layer
recording medium
optical recording
recording layer
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.)
Granted
Application number
JP10961884A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0350342B2 (cs
Inventor
Ichiro Saito
一郎 斉藤
Yoichi Osato
陽一 大里
Hidekazu Fujii
英一 藤井
Kozo Arao
荒尾　浩三
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 true JPS60254433A (ja) 1985-12-16
JPH0350342B2 JPH0350342B2 (cs) 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 (cs)

Cited By (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
US5058098A (en) * 1988-02-17 1991-10-15 Victor Company Of Japan, Ltd. Optical record medium having an improved reflection thin film
US5439752A (en) * 1990-09-11 1995-08-08 Matsushita Electric Industrial Co., Ltd. Optical recording medium and reflecting film for use therein

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57208648A (en) * 1981-06-12 1982-12-21 Rca Corp Recording medium

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57208648A (en) * 1981-06-12 1982-12-21 Rca Corp Recording medium

Cited By (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
US5058098A (en) * 1988-02-17 1991-10-15 Victor Company Of Japan, Ltd. Optical record medium having an improved reflection thin film
US5439752A (en) * 1990-09-11 1995-08-08 Matsushita Electric Industrial Co., Ltd. Optical recording medium and reflecting film for use therein

Also Published As

Publication number Publication date
JPH0350342B2 (cs) 1991-08-01

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