JPS5945644A - 光磁気記録媒体 - Google Patents

光磁気記録媒体

Info

Publication number
JPS5945644A
JPS5945644A JP15457482A JP15457482A JPS5945644A JP S5945644 A JPS5945644 A JP S5945644A JP 15457482 A JP15457482 A JP 15457482A JP 15457482 A JP15457482 A JP 15457482A JP S5945644 A JPS5945644 A JP S5945644A
Authority
JP
Japan
Prior art keywords
layer
recording medium
magnetic
formula
magneto
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
JP15457482A
Other languages
English (en)
Japanese (ja)
Other versions
JPH057775B2 (xx
Inventor
Hajime Machida
元 町田
Motoharu Tanaka
元治 田中
Atsuyuki Watada
篤行 和多田
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP15457482A priority Critical patent/JPS5945644A/ja
Publication of JPS5945644A publication Critical patent/JPS5945644A/ja
Publication of JPH057775B2 publication Critical patent/JPH057775B2/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

Landscapes

  • Compounds Of Iron (AREA)
JP15457482A 1982-09-07 1982-09-07 光磁気記録媒体 Granted JPS5945644A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15457482A JPS5945644A (ja) 1982-09-07 1982-09-07 光磁気記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15457482A JPS5945644A (ja) 1982-09-07 1982-09-07 光磁気記録媒体

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP23896592A Division JPH0777043B2 (ja) 1992-08-13 1992-08-13 光磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS5945644A true JPS5945644A (ja) 1984-03-14
JPH057775B2 JPH057775B2 (xx) 1993-01-29

Family

ID=15587198

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15457482A Granted JPS5945644A (ja) 1982-09-07 1982-09-07 光磁気記録媒体

Country Status (1)

Country Link
JP (1) JPS5945644A (xx)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60263357A (ja) * 1984-06-11 1985-12-26 Ricoh Co Ltd 光磁気記録媒体
JPS6129415A (ja) * 1984-07-21 1986-02-10 Ricoh Co Ltd 光磁気記録媒体
DE3608021A1 (de) * 1985-03-11 1986-09-11 Ricoh Co., Ltd., Tokio/Tokyo Magneto-optisches aufzeichnungsmaterial
DE3639397A1 (de) * 1985-11-19 1987-05-21 Ricoh Kk Magneto-optisches aufzeichnungsmaterial
JPH02165447A (ja) * 1988-12-16 1990-06-26 Matsushita Electric Ind Co Ltd 光磁気記録媒体およびその製造方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60263357A (ja) * 1984-06-11 1985-12-26 Ricoh Co Ltd 光磁気記録媒体
JPS6129415A (ja) * 1984-07-21 1986-02-10 Ricoh Co Ltd 光磁気記録媒体
DE3608021A1 (de) * 1985-03-11 1986-09-11 Ricoh Co., Ltd., Tokio/Tokyo Magneto-optisches aufzeichnungsmaterial
US4690861A (en) * 1985-03-11 1987-09-01 Ricoh Co., Ltd. Magneto optical recording medium
DE3639397A1 (de) * 1985-11-19 1987-05-21 Ricoh Kk Magneto-optisches aufzeichnungsmaterial
US4797331A (en) * 1985-11-19 1989-01-10 Ricoh Company, Ltd. Magneto-optical recording material
JPH02165447A (ja) * 1988-12-16 1990-06-26 Matsushita Electric Ind Co Ltd 光磁気記録媒体およびその製造方法

Also Published As

Publication number Publication date
JPH057775B2 (xx) 1993-01-29

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