JPH0427617B2 - - Google Patents

Info

Publication number
JPH0427617B2
JPH0427617B2 JP62124722A JP12472287A JPH0427617B2 JP H0427617 B2 JPH0427617 B2 JP H0427617B2 JP 62124722 A JP62124722 A JP 62124722A JP 12472287 A JP12472287 A JP 12472287A JP H0427617 B2 JPH0427617 B2 JP H0427617B2
Authority
JP
Japan
Prior art keywords
film
magneto
recording
magnetic
servo
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
JP62124722A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62295238A (ja
Inventor
Kenji Oota
Akira Takahashi
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 JP12472287A priority Critical patent/JPS62295238A/ja
Publication of JPS62295238A publication Critical patent/JPS62295238A/ja
Publication of JPH0427617B2 publication Critical patent/JPH0427617B2/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
    • G11B11/10589—Details
    • 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
    • G11B11/10584—Record carriers characterised by the selection of the material or by the structure or form characterised by the form, e.g. comprising mechanical protection elements
JP12472287A 1987-05-20 1987-05-20 磁気光学記憶素子 Granted JPS62295238A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12472287A JPS62295238A (ja) 1987-05-20 1987-05-20 磁気光学記憶素子

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12472287A JPS62295238A (ja) 1987-05-20 1987-05-20 磁気光学記憶素子

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP409081A Division JPS57120253A (en) 1981-01-14 1981-01-14 Magnetooptical storage elemen

Publications (2)

Publication Number Publication Date
JPS62295238A JPS62295238A (ja) 1987-12-22
JPH0427617B2 true JPH0427617B2 (en]) 1992-05-12

Family

ID=14892484

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12472287A Granted JPS62295238A (ja) 1987-05-20 1987-05-20 磁気光学記憶素子

Country Status (1)

Country Link
JP (1) JPS62295238A (en])

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231503A (en) * 1975-09-03 1977-03-10 Yasunaga Riken Co Ltd Fabric form for civil engineering work
NL7802860A (nl) * 1978-03-16 1979-09-18 Philips Nv Registratiedragerlichaam en registratiedrager voor optische informatie en inrichting voor het inschrijven en uitlezen.
DE2920480A1 (de) * 1978-05-24 1979-11-29 Philips Nv Informationsaufzeichnungselement

Also Published As

Publication number Publication date
JPS62295238A (ja) 1987-12-22

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