JPH0328739B2 - - Google Patents

Info

Publication number
JPH0328739B2
JPH0328739B2 JP57103937A JP10393782A JPH0328739B2 JP H0328739 B2 JPH0328739 B2 JP H0328739B2 JP 57103937 A JP57103937 A JP 57103937A JP 10393782 A JP10393782 A JP 10393782A JP H0328739 B2 JPH0328739 B2 JP H0328739B2
Authority
JP
Japan
Prior art keywords
film
substrate
magneto
optical recording
recording medium
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
JP57103937A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58222454A (ja
Inventor
Motoharu Tanaka
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 JP57103937A priority Critical patent/JPS58222454A/ja
Priority to US06/491,141 priority patent/US4617601A/en
Publication of JPS58222454A publication Critical patent/JPS58222454A/ja
Publication of JPH0328739B2 publication Critical patent/JPH0328739B2/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
JP57103937A 1982-06-18 1982-06-18 光磁気記録媒体 Granted JPS58222454A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP57103937A JPS58222454A (ja) 1982-06-18 1982-06-18 光磁気記録媒体
US06/491,141 US4617601A (en) 1982-06-18 1983-05-03 Magneto-optical recording medium having recording guide tracks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57103937A JPS58222454A (ja) 1982-06-18 1982-06-18 光磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS58222454A JPS58222454A (ja) 1983-12-24
JPH0328739B2 true JPH0328739B2 (en]) 1991-04-22

Family

ID=14367347

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57103937A Granted JPS58222454A (ja) 1982-06-18 1982-06-18 光磁気記録媒体

Country Status (2)

Country Link
US (1) US4617601A (en])
JP (1) JPS58222454A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5089358A (en) * 1988-11-05 1992-02-18 Brother Kogyo Kabushiki Kaisha Optical recording medium
JP2638248B2 (ja) * 1990-03-15 1997-08-06 松下電器産業株式会社 光学的情報媒体および再生装置および記録装置および再生方法および記録方法
JPH0573990A (ja) * 1991-03-07 1993-03-26 Hitachi Ltd 光記録方法、光記録再生方法、光記録材料及び光記録装置
US6939654B2 (en) * 2002-12-06 2005-09-06 Ricoh Company, Ltd. Carrier and developer for developing latent electrostatic images

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3174140A (en) * 1959-07-01 1965-03-16 Ibm Magneto-optical recording and readout device
US3655441A (en) * 1966-08-22 1972-04-11 Honeywell Inc Electroless plating of filamentary magnetic records
US4467383A (en) * 1980-02-23 1984-08-21 Sharp Kabushiki Kaisha Magnetooptic memory medium
US4414650A (en) * 1980-06-23 1983-11-08 Sharp Kabushiki Kaisha Magneto-optic memory element
JPS592094B2 (ja) * 1980-08-25 1984-01-17 ケイディディ株式会社 層状光磁気記録媒体
JPS58150149A (ja) * 1982-03-01 1983-09-06 Olympus Optical Co Ltd 磁気光学記録媒体

Also Published As

Publication number Publication date
JPS58222454A (ja) 1983-12-24
US4617601A (en) 1986-10-14

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