JPH039546B2 - - Google Patents

Info

Publication number
JPH039546B2
JPH039546B2 JP58171488A JP17148883A JPH039546B2 JP H039546 B2 JPH039546 B2 JP H039546B2 JP 58171488 A JP58171488 A JP 58171488A JP 17148883 A JP17148883 A JP 17148883A JP H039546 B2 JPH039546 B2 JP H039546B2
Authority
JP
Japan
Prior art keywords
film
transparent dielectric
dielectric film
alloy thin
rare earth
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
JP58171488A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6063747A (ja
Inventor
Akira Takahashi
Yoshiteru Murakami
Junji Hirokane
Hiroyuki Katayama
Kenji Oota
Hideyoshi Yamaoka
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 JP17148883A priority Critical patent/JPS6063747A/ja
Priority to CA000462506A priority patent/CA1224270A/en
Priority to US06/648,741 priority patent/US4610912A/en
Priority to DE8484306341T priority patent/DE3481878D1/de
Priority to EP84306341A priority patent/EP0139474B1/en
Publication of JPS6063747A publication Critical patent/JPS6063747A/ja
Publication of JPH039546B2 publication Critical patent/JPH039546B2/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
    • G11B11/10593—Details for improving read-out properties, e.g. polarisation of light
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
    • H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
    • H01F10/12—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys
    • H01F10/126—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys containing rare earth metals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
JP17148883A 1983-09-16 1983-09-16 磁気光学記憶素子 Granted JPS6063747A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP17148883A JPS6063747A (ja) 1983-09-16 1983-09-16 磁気光学記憶素子
CA000462506A CA1224270A (en) 1983-09-16 1984-09-05 Magneto-optic memory element
US06/648,741 US4610912A (en) 1983-09-16 1984-09-10 Magneto-optic memory element
DE8484306341T DE3481878D1 (de) 1983-09-16 1984-09-17 Magnetooptisches speicherelement.
EP84306341A EP0139474B1 (en) 1983-09-16 1984-09-17 Magneto-optic memory element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17148883A JPS6063747A (ja) 1983-09-16 1983-09-16 磁気光学記憶素子

Publications (2)

Publication Number Publication Date
JPS6063747A JPS6063747A (ja) 1985-04-12
JPH039546B2 true JPH039546B2 (en]) 1991-02-08

Family

ID=15924023

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17148883A Granted JPS6063747A (ja) 1983-09-16 1983-09-16 磁気光学記憶素子

Country Status (1)

Country Link
JP (1) JPS6063747A (en])

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62226452A (ja) * 1986-03-27 1987-10-05 Nec Corp 光磁気記録媒体
JP2779521B2 (ja) * 1989-06-26 1998-07-23 富士写真フイルム株式会社 光磁気記録媒体
JP2822455B2 (ja) * 1989-06-05 1998-11-11 松下電器産業株式会社 光磁気記録媒体の作製方法
JP2562219B2 (ja) * 1990-02-28 1996-12-11 シャープ株式会社 光磁気ディスク
JPH04205742A (ja) * 1990-11-29 1992-07-27 Matsushita Electric Ind Co Ltd 光磁気記録媒体

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57169996A (en) * 1981-04-09 1982-10-19 Sharp Corp Magnetooptic storage element
JPS586541A (ja) * 1981-07-02 1983-01-14 Sharp Corp 磁気光学記憶素子

Also Published As

Publication number Publication date
JPS6063747A (ja) 1985-04-12

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