DE69223468T2 - Magnetooptisches Aufzeichnungsmedium - Google Patents

Magnetooptisches Aufzeichnungsmedium

Info

Publication number
DE69223468T2
DE69223468T2 DE69223468T DE69223468T DE69223468T2 DE 69223468 T2 DE69223468 T2 DE 69223468T2 DE 69223468 T DE69223468 T DE 69223468T DE 69223468 T DE69223468 T DE 69223468T DE 69223468 T2 DE69223468 T2 DE 69223468T2
Authority
DE
Germany
Prior art keywords
magneto
recording medium
optical recording
optical
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 - Fee Related
Application number
DE69223468T
Other languages
English (en)
Other versions
DE69223468D1 (de
Inventor
Hans Willem Van Kesteren
Wouter Bastiaan Zeper
Friedrich Johannes Den Broeder
Johannes Martinus Kerkhof
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
Philips Electronics NV
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 Koninklijke Philips Electronics NV, Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69223468D1 publication Critical patent/DE69223468D1/de
Publication of DE69223468T2 publication Critical patent/DE69223468T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B11/10591—Details for improving write-in properties, e.g. Curie-point temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
DE69223468T 1991-09-03 1992-09-01 Magnetooptisches Aufzeichnungsmedium Expired - Fee Related DE69223468T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91202237 1991-09-03

Publications (2)

Publication Number Publication Date
DE69223468D1 DE69223468D1 (de) 1998-01-22
DE69223468T2 true DE69223468T2 (de) 1998-06-04

Family

ID=8207854

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69223468T Expired - Fee Related DE69223468T2 (de) 1991-09-03 1992-09-01 Magnetooptisches Aufzeichnungsmedium

Country Status (4)

Country Link
US (1) US5952094A (de)
EP (1) EP0530913B1 (de)
JP (1) JPH05198029A (de)
DE (1) DE69223468T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2098950A1 (en) * 1992-06-25 1993-12-26 Yoshihiko Takeda Magneto-optical layer and magneto-optical recording medium
US5626973A (en) * 1992-06-25 1997-05-06 Teijin Limited Magneto-optical layer and magneto-optical recording medium
TW241359B (de) * 1993-08-04 1995-02-21 Philips Electronics Nv
JP2000222788A (ja) * 1999-02-03 2000-08-11 Sony Corp 光磁気記録媒体とその製造方法
US6873576B1 (en) * 2000-05-24 2005-03-29 Koninklijke Philips Electronics N.V. Method of thermally-assisted data recording and a recording apparatus
JP2003016636A (ja) * 2001-04-27 2003-01-17 Sharp Corp 磁気記録媒体およびそれを用いた磁気記録装置
US7384868B2 (en) * 2003-09-15 2008-06-10 International Business Machines Corporation Reduction of silicide formation temperature on SiGe containing substrates
WO2008061166A2 (en) * 2006-11-14 2008-05-22 Boise State University Multi-state memory and multi-functional devices comprising magnetoplastic or magnetoelastic materials

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5984358A (ja) * 1982-11-04 1984-05-16 Seiko Instr & Electronics Ltd 光磁気記録媒体
JPS63171877A (ja) * 1987-01-09 1988-07-15 Mitsubishi Kasei Corp 複合タ−ゲツト材
DE3866314D1 (de) * 1987-08-26 1992-01-02 Sony Corp Magnetooptischer aufzeichnungstraeger.
NL8803168A (nl) * 1988-12-24 1990-07-16 Philips Nv Werkwijze voor het thermomagnetisch registreren van informatie en het optisch uitlezen van de geregistreerde informatie alsmede een registratie-element dat geschikt is voor toepassing in deze werkwijze.
CA2039251A1 (en) * 1990-03-29 1991-09-30 Kiyotaka Shindo Magneto-optical recording media
EP0498089A1 (de) * 1990-12-21 1992-08-12 Koninklijke Philips Electronics N.V. Magnetisches Medium

Also Published As

Publication number Publication date
JPH05198029A (ja) 1993-08-06
US5952094A (en) 1999-09-14
EP0530913B1 (de) 1997-12-10
EP0530913A1 (de) 1993-03-10
DE69223468D1 (de) 1998-01-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee