JPS6117236A - 磁気光学記憶素子 - Google Patents

磁気光学記憶素子

Info

Publication number
JPS6117236A
JPS6117236A JP13943484A JP13943484A JPS6117236A JP S6117236 A JPS6117236 A JP S6117236A JP 13943484 A JP13943484 A JP 13943484A JP 13943484 A JP13943484 A JP 13943484A JP S6117236 A JPS6117236 A JP S6117236A
Authority
JP
Japan
Prior art keywords
film
transparent dielectric
dielectric film
refractive index
alloy thin
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
JP13943484A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0419618B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Akira Takahashi
明 高橋
Yoshiteru Murakami
善照 村上
Junji Hirokane
順司 広兼
Hiroyuki Katayama
博之 片山
Kenji Oota
賢司 太田
Hideyoshi Yamaoka
山岡　秀嘉
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 JP13943484A priority Critical patent/JPS6117236A/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 JPS6117236A publication Critical patent/JPS6117236A/ja
Publication of JPH0419618B2 publication Critical patent/JPH0419618B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H01F10/14—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys containing iron or nickel
    • 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)
JP13943484A 1983-09-16 1984-07-03 磁気光学記憶素子 Granted JPS6117236A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP13943484A JPS6117236A (ja) 1984-07-03 1984-07-03 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
JP13943484A JPS6117236A (ja) 1984-07-03 1984-07-03 磁気光学記憶素子

Publications (2)

Publication Number Publication Date
JPS6117236A true JPS6117236A (ja) 1986-01-25
JPH0419618B2 JPH0419618B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-03-31

Family

ID=15245102

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13943484A Granted JPS6117236A (ja) 1983-09-16 1984-07-03 磁気光学記憶素子

Country Status (1)

Country Link
JP (1) JPS6117236A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62285256A (ja) * 1986-06-04 1987-12-11 Konica Corp 光磁気記録媒体
JPS63285738A (ja) * 1987-05-19 1988-11-22 Canon Inc 光学的磁気記録媒体
JPH01140446A (ja) * 1987-11-26 1989-06-01 Sharp Corp 光磁気記憶媒体

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62285256A (ja) * 1986-06-04 1987-12-11 Konica Corp 光磁気記録媒体
JPS63285738A (ja) * 1987-05-19 1988-11-22 Canon Inc 光学的磁気記録媒体
JPH01140446A (ja) * 1987-11-26 1989-06-01 Sharp Corp 光磁気記憶媒体

Also Published As

Publication number Publication date
JPH0419618B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-03-31

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term