DE3482886D1 - Verfahren zur herstellung photothermomagnetischer aufzeichnungsfilme. - Google Patents

Verfahren zur herstellung photothermomagnetischer aufzeichnungsfilme.

Info

Publication number
DE3482886D1
DE3482886D1 DE8484904169T DE3482886T DE3482886D1 DE 3482886 D1 DE3482886 D1 DE 3482886D1 DE 8484904169 T DE8484904169 T DE 8484904169T DE 3482886 T DE3482886 T DE 3482886T DE 3482886 D1 DE3482886 D1 DE 3482886D1
Authority
DE
Germany
Prior art keywords
producing
recording films
photothermomagnetic
photothermomagnetic recording
films
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
DE8484904169T
Other languages
English (en)
Inventor
Manabu Gomi
Masanori Abe
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.)
Nippon Sheet Glass Co Ltd
Original Assignee
Nippon Sheet Glass 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
Priority claimed from JP21675083A external-priority patent/JPS60107815A/ja
Priority claimed from JP613484A external-priority patent/JPS60150614A/ja
Priority claimed from JP5578784A external-priority patent/JPS60200887A/ja
Application filed by Nippon Sheet Glass Co Ltd filed Critical Nippon Sheet Glass Co Ltd
Application granted granted Critical
Publication of DE3482886D1 publication Critical patent/DE3482886D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/16—Layers for recording by changing the magnetic properties, e.g. for Curie-point-writing
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/08—Oxides
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/34—Sputtering
    • C23C14/3407—Cathode assembly for sputtering apparatus, e.g. Target
    • C23C14/3414—Metallurgical or chemical aspects of target preparation, e.g. casting, powder metallurgy
    • 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
    • G11B11/10586—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
    • 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
    • H01F10/18—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being compounds
    • H01F10/20—Ferrites
    • H01F10/24—Garnets
    • H01F10/245—Modifications for enhancing interaction with electromagnetic wave energy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Thin Magnetic Films (AREA)
DE8484904169T 1983-11-17 1984-11-15 Verfahren zur herstellung photothermomagnetischer aufzeichnungsfilme. Expired - Lifetime DE3482886D1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP21675083A JPS60107815A (ja) 1983-11-17 1983-11-17 磁性薄膜の製造方法
JP613484A JPS60150614A (ja) 1984-01-17 1984-01-17 磁性薄膜の製造方法
JP5578784A JPS60200887A (ja) 1984-03-23 1984-03-23 磁性薄膜の製造方法
PCT/JP1984/000547 WO1985002292A1 (en) 1983-11-17 1984-11-15 Method of manufacturing photothermomagnetic recording film

Publications (1)

Publication Number Publication Date
DE3482886D1 true DE3482886D1 (de) 1990-09-06

Family

ID=27277022

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484904169T Expired - Lifetime DE3482886D1 (de) 1983-11-17 1984-11-15 Verfahren zur herstellung photothermomagnetischer aufzeichnungsfilme.

Country Status (3)

Country Link
EP (1) EP0196332B1 (de)
DE (1) DE3482886D1 (de)
WO (1) WO1985002292A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3424467A1 (de) * 1984-07-03 1986-01-16 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur herstellung wismut-substituierter ferrimagnetischer granatschichten
FR2655463B1 (fr) * 1989-12-06 1995-06-30 Commissariat Energie Atomique Procede de preparation d'une memoire magnetooptique.
FR2655462B1 (fr) * 1989-12-06 1994-05-13 Commissariat A Energie Atomique Procede de preparation d'une memoire magnetooptique.
US6759137B1 (en) 1998-08-28 2004-07-06 Centre National De La Recherche Scientifique, Inc. Opto-magnetic recording medium with a garnet ferrite recording layer, and opto-magnetic information recording/reproducing device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3607698A (en) * 1968-10-11 1971-09-21 Ibm Epitaxial garnet films
JPS5020300A (de) * 1973-06-27 1975-03-04
JPS5026096A (de) * 1973-07-06 1975-03-18
JPS5613710A (en) * 1979-07-13 1981-02-10 Nec Corp Material for magnetic element
DE3343768A1 (de) * 1983-12-03 1985-06-13 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur herstellung duenner einkristalliner ferrimagnetischer granatschichten durch kathodenzerstaeubung
DE3424467A1 (de) * 1984-07-03 1986-01-16 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur herstellung wismut-substituierter ferrimagnetischer granatschichten

Also Published As

Publication number Publication date
EP0196332B1 (de) 1990-08-01
EP0196332A4 (de) 1987-09-22
EP0196332A1 (de) 1986-10-08
WO1985002292A1 (en) 1985-05-23

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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