JPH0535499B2 - - Google Patents

Info

Publication number
JPH0535499B2
JPH0535499B2 JP62071722A JP7172287A JPH0535499B2 JP H0535499 B2 JPH0535499 B2 JP H0535499B2 JP 62071722 A JP62071722 A JP 62071722A JP 7172287 A JP7172287 A JP 7172287A JP H0535499 B2 JPH0535499 B2 JP H0535499B2
Authority
JP
Japan
Prior art keywords
magnetic
magnetic layer
magnetization
layer
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
JP62071722A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63239637A (ja
Inventor
Yoichi Oosato
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 JP7172287A priority Critical patent/JPS63239637A/ja
Publication of JPS63239637A publication Critical patent/JPS63239637A/ja
Publication of JPH0535499B2 publication Critical patent/JPH0535499B2/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

Landscapes

  • Recording Or Reproducing By Magnetic Means (AREA)
JP7172287A 1987-03-27 1987-03-27 光磁気記録媒体およびその記録方法 Granted JPS63239637A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7172287A JPS63239637A (ja) 1987-03-27 1987-03-27 光磁気記録媒体およびその記録方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7172287A JPS63239637A (ja) 1987-03-27 1987-03-27 光磁気記録媒体およびその記録方法

Publications (2)

Publication Number Publication Date
JPS63239637A JPS63239637A (ja) 1988-10-05
JPH0535499B2 true JPH0535499B2 (enrdf_load_stackoverflow) 1993-05-26

Family

ID=13468698

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7172287A Granted JPS63239637A (ja) 1987-03-27 1987-03-27 光磁気記録媒体およびその記録方法

Country Status (1)

Country Link
JP (1) JPS63239637A (enrdf_load_stackoverflow)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2700889B2 (ja) * 1988-02-29 1998-01-21 京セラ株式会社 光磁気記録素子
JP2674815B2 (ja) * 1988-12-13 1997-11-12 キヤノン 株式会社 光磁気記録方法
JP2714085B2 (ja) * 1988-12-28 1998-02-16 キヤノン株式会社 情報記録方法
JPH02230532A (ja) * 1989-03-03 1990-09-12 Nec Corp 光磁気記録媒体
US5233575A (en) * 1989-11-10 1993-08-03 Mitsubishi Kasei Corporation Magneto-optical recording medium
EP0454858B1 (en) * 1989-11-10 1996-08-14 Mitsubishi Chemical Corporation Magnetooptical recording medium
JPH06103622A (ja) * 1992-09-18 1994-04-15 Nikon Corp Ｒ層を有するオーバーライト可能な光磁気記録媒体
JPH06251443A (ja) * 1993-02-25 1994-09-09 Sharp Corp 光磁気記録媒体
JP3192281B2 (ja) * 1993-06-21 2001-07-23 シャープ株式会社 光磁気記録媒体の記録方法
JP2809991B2 (ja) 1994-01-14 1998-10-15 富士通株式会社 光磁気記録媒体及び該媒体に記録された情報の再生方法
US5815477A (en) * 1995-01-31 1998-09-29 Canon Kabushiki Kaisha Write test method for use in recording process for recording information by modulating the power of a laser light thereby forming a high-temperature state and a low-temperature state on a recording medium
JPH0969246A (ja) * 1995-08-30 1997-03-11 Canon Inc 光学的情報記録再生装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2521908B2 (ja) * 1985-06-11 1996-08-07 株式会社ニコン オ―バ―ライト可能な光磁気記録方法、それに使用される光磁気記録装置及び光磁気記録媒体、並びに変調方法、変調装置及び光磁気記録媒体
JPS6242348A (ja) * 1985-08-19 1987-02-24 Nippon Telegr & Teleph Corp <Ntt> 光磁気記録媒体

Also Published As

Publication number Publication date
JPS63239637A (ja) 1988-10-05

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term