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JPH0524571B2 - - Google Patents

Info

Publication number
JPH0524571B2
JPH0524571B2 JP59104207A JP10420784A JPH0524571B2 JP H0524571 B2 JPH0524571 B2 JP H0524571B2 JP 59104207 A JP59104207 A JP 59104207A JP 10420784 A JP10420784 A JP 10420784A JP H0524571 B2 JPH0524571 B2 JP H0524571B2
Authority
JP
Japan
Prior art keywords
film
magneto
alloy thin
amorphous alloy
reflective film
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
JP59104207A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60247844A (ja
Inventor
Yoshiteru Murakami
Akira Takahashi
Hiroyuki Katayama
Junji Hirokane
Kenji Oota
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
Priority to JP10420784A priority Critical patent/JPS60247844A/ja
Priority to US06/721,707 priority patent/US4719137A/en
Priority to CA000478873A priority patent/CA1234916A/fr
Priority to EP19880201371 priority patent/EP0297689B1/fr
Priority to DE88201371T priority patent/DE3587538T2/de
Priority to DE8585302580T priority patent/DE3581230D1/de
Priority to EP85302580A priority patent/EP0161807B1/fr
Publication of JPS60247844A publication Critical patent/JPS60247844A/ja
Publication of JPH0524571B2 publication Critical patent/JPH0524571B2/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
    • 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
    • G11B11/10593—Details for improving read-out properties, e.g. polarisation of light
JP10420784A 1984-04-13 1984-05-22 磁気光学記憶素子の製造方法 Granted JPS60247844A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP10420784A JPS60247844A (ja) 1984-05-22 1984-05-22 磁気光学記憶素子の製造方法
US06/721,707 US4719137A (en) 1984-04-13 1985-04-10 Magneto-optic memory element
CA000478873A CA1234916A (fr) 1984-04-13 1985-04-11 Element de memoire magneto-optique
EP19880201371 EP0297689B1 (fr) 1984-04-13 1985-04-12 Elément de mémoire magnéto-optique
DE88201371T DE3587538T2 (de) 1984-04-13 1985-04-12 Magneto-optisches Speicherelement.
DE8585302580T DE3581230D1 (de) 1984-04-13 1985-04-12 Magneto-optisches speicherelement.
EP85302580A EP0161807B1 (fr) 1984-04-13 1985-04-12 Elément de mémoire magnéto-optique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10420784A JPS60247844A (ja) 1984-05-22 1984-05-22 磁気光学記憶素子の製造方法

Publications (2)

Publication Number Publication Date
JPS60247844A JPS60247844A (ja) 1985-12-07
JPH0524571B2 true JPH0524571B2 (fr) 1993-04-08

Family

ID=14374523

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10420784A Granted JPS60247844A (ja) 1984-04-13 1984-05-22 磁気光学記憶素子の製造方法

Country Status (1)

Country Link
JP (1) JPS60247844A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0697514B2 (ja) * 1985-02-21 1994-11-30 シャープ株式会社 磁気光学記憶素子
JP2660569B2 (ja) * 1989-02-10 1997-10-08 三菱電機株式会社 光磁気記録媒体

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5860441A (ja) * 1981-10-06 1983-04-09 Canon Inc 光熱磁気記録媒体

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5860441A (ja) * 1981-10-06 1983-04-09 Canon Inc 光熱磁気記録媒体

Also Published As

Publication number Publication date
JPS60247844A (ja) 1985-12-07

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term