SG21190G - Amorphous magneto optical recording medium - Google Patents

Amorphous magneto optical recording medium

Info

Publication number
SG21190G
SG21190G SG211/90A SG21190A SG21190G SG 21190 G SG21190 G SG 21190G SG 211/90 A SG211/90 A SG 211/90A SG 21190 A SG21190 A SG 21190A SG 21190 G SG21190 G SG 21190G
Authority
SG
Singapore
Prior art keywords
sup
recording medium
magneto optical
optical recording
thin film
Prior art date
Application number
SG211/90A
Other languages
English (en)
Original Assignee
Minnesota Mining & Mfg
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27051665&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SG21190(G) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of SG21190G publication Critical patent/SG21190G/en

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
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/851—Coating a support with a magnetic layer by sputtering
    • 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
    • H01F10/13—Amorphous metallic alloys, e.g. glassy metals
    • 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
    • H01F10/13—Amorphous metallic alloys, e.g. glassy metals
    • H01F10/133—Amorphous metallic alloys, e.g. glassy metals containing rare earth metals
    • H01F10/135—Amorphous metallic alloys, e.g. glassy metals containing rare earth metals containing transition metals
    • 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
    • H01F10/26—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers
    • H01F10/265—Magnetic multilayers non exchange-coupled
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/928—Magnetic property
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12542—More than one such component
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12736—Al-base component
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Thin Magnetic Films (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Paints Or Removers (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Adornments (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Physical Vapour Deposition (AREA)
SG211/90A 1983-05-17 1990-03-15 Amorphous magneto optical recording medium SG21190G (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49517583A 1983-05-17 1983-05-17
US06/599,669 US4615944A (en) 1983-05-17 1984-04-12 Amorphous magneto optical recording medium

Publications (1)

Publication Number Publication Date
SG21190G true SG21190G (en) 1990-07-06

Family

ID=27051665

Family Applications (1)

Application Number Title Priority Date Filing Date
SG211/90A SG21190G (en) 1983-05-17 1990-03-15 Amorphous magneto optical recording medium

Country Status (15)

Country Link
US (1) US4615944A (ja)
EP (2) EP0125881B1 (ja)
JP (1) JP2561646B2 (ja)
KR (1) KR930001616B1 (ja)
AT (3) ATE46589T1 (ja)
AU (3) AU566931B2 (ja)
BR (1) BR8402316A (ja)
CA (1) CA1217859A (ja)
DE (3) DE3486173T2 (ja)
GE (1) GEP19960628B (ja)
HK (1) HK32690A (ja)
IE (1) IE55853B1 (ja)
MX (1) MX157152A (ja)
SG (1) SG21190G (ja)
SU (1) SU1503688A3 (ja)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0673197B2 (ja) * 1985-02-25 1994-09-14 株式会社東芝 光磁気記録媒体とその製造方法
US4751142A (en) * 1985-09-18 1988-06-14 Kyocera Corporation Magneto-optical recording element
GB2184618A (en) * 1985-12-11 1987-06-24 Canon Kk Magneto-optical memory medium
US4810306A (en) * 1986-02-26 1989-03-07 The Stero Company Low energy, low water consumption warewasher and method
EP0263380A3 (de) * 1986-10-08 1990-02-28 Siemens Aktiengesellschaft Verfahren zur Herstellung eines magnetooptischen Aufzeichnungsmediums
US4822675A (en) * 1987-01-14 1989-04-18 Minnesota Mining And Manufacturing Company Stable magneto optic recording medium
US4950556A (en) * 1987-10-26 1990-08-21 Minnesota Mining And Manufacturing Company Magneto-optic recording medium
JP2673807B2 (ja) * 1987-10-30 1997-11-05 パイオニア株式会社 光磁気記録媒体の製造方法
EP0316803A3 (en) * 1987-11-16 1991-07-24 Fuji Electric Co., Ltd. Magneto-optical recording medium
US4888758A (en) * 1987-11-23 1989-12-19 Scruggs David M Data storage using amorphous metallic storage medium
US5098541A (en) * 1988-02-01 1992-03-24 Minnesota Mining And Manufacturing Company Method of making magneto optic recording medium with silicon carbide dielectric
US5158834A (en) * 1988-02-01 1992-10-27 Minnesota Mining And Manufacturing Company Magneto optic recording medium with silicon carbide dielectric
US4917970A (en) * 1988-02-01 1990-04-17 Minnesota Mining & Manufacturing Company Magneto optic recording medium with silicon carbide dielectric
US4977540A (en) * 1988-06-22 1990-12-11 The Regents Of The University Of California Spin glass type associative processor system
US5109377A (en) * 1988-08-22 1992-04-28 Fuji Photo Film Co., Ltd. Magneto-optical recording medium and method of producing the same
WO1990005367A1 (en) * 1988-11-08 1990-05-17 Tdk Corporation Magnetic powder, its production method, magnetic recording medium and magnetic recording method
JP2660569B2 (ja) * 1989-02-10 1997-10-08 三菱電機株式会社 光磁気記録媒体
US4877690A (en) * 1989-03-01 1989-10-31 Eastman Kodak Company Magnetooptical recording element
CA2017226A1 (en) * 1989-05-23 1990-11-23 Kiyotaka Shindo Information recording media
JPH0831218B2 (ja) * 1989-07-06 1996-03-27 松下電器産業株式会社 光磁気記録媒体
JPH03173958A (ja) * 1989-12-01 1991-07-29 Pioneer Electron Corp 光磁気ディスク
DE4029874A1 (de) * 1990-09-21 1992-03-26 Basf Ag Magnetooptische datenplatte mit pt-haltiger leseschicht
JP3122151B2 (ja) * 1991-02-28 2001-01-09 ソニー株式会社 光磁気記録媒体
CA2063002A1 (en) * 1991-04-01 1992-10-02 Edward J. Woo Optical disk with vibration dampening
US6275349B1 (en) * 1998-12-02 2001-08-14 Storage Technology Corporation Integrated optical tracking system for magnetic media
WO2010041416A1 (ja) * 2008-10-08 2010-04-15 株式会社アルバック 蒸発材料及び蒸発材料の製造方法
US9963777B2 (en) 2012-10-08 2018-05-08 Analog Devices, Inc. Methods of forming a thin film resistor

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3427154A (en) * 1964-09-11 1969-02-11 Ibm Amorphous alloys and process therefor
US3472575A (en) * 1966-11-04 1969-10-14 Ampex Magnetic storage medium for enhancing magneto-optic readout
FR1541239A (fr) * 1966-11-10 Ibm Mémoire adressable par faisceau
US3530441A (en) * 1969-01-15 1970-09-22 Energy Conversion Devices Inc Method and apparatus for storing and retrieving information
US3651281A (en) * 1969-06-06 1972-03-21 Carl H Becker Laser recording system using photomagnetically magnetizable storage medium
US3650601A (en) * 1970-11-19 1972-03-21 Du Pont Magneto-optic device having alternate layer film structure
US3696352A (en) * 1970-11-25 1972-10-03 Robatron Veb K Magneto-optical readout beam shifted as a function of information
NL160659C (nl) * 1972-01-08 1979-11-15 Philips Nv Magneto-optische inrichting.
US3949387A (en) * 1972-08-29 1976-04-06 International Business Machines Corporation Beam addressable film using amorphous magnetic material
US3965463A (en) * 1972-08-29 1976-06-22 International Business Machines Corporation Apparatus using amorphous magnetic compositions
US4042341A (en) * 1973-10-15 1977-08-16 General Electric Company Magnetic films of transition metal-rare earth alloys
US4293621A (en) * 1978-10-12 1981-10-06 Nippon Hoso Kyokai Recording medium
NL7900921A (nl) * 1979-02-06 1980-08-08 Philips Nv Thermomagnetische informatiedrager en optische geheu- geninrichting voorzien van een dergelijke informatie- drager.
JPS6032331B2 (ja) * 1980-03-12 1985-07-27 ケイディディ株式会社 磁気光学記録媒体
US4367257A (en) * 1980-04-16 1983-01-04 Fuji Photo Film Co., Ltd. Thin magnetic recording medium
JPS58175809A (ja) * 1982-04-07 1983-10-15 Matsushita Electric Ind Co Ltd 光磁気記録媒体
DE3317101A1 (de) * 1982-05-10 1983-11-10 Canon K.K., Tokyo Magnetooptischer aufzeichnungstraeger
JPS5961011A (ja) * 1982-09-30 1984-04-07 Ricoh Co Ltd 光磁気記録媒体

Also Published As

Publication number Publication date
DE3486172D1 (de) 1993-08-05
DE3486173D1 (de) 1993-08-05
AU7866387A (en) 1988-01-07
IE841208L (en) 1984-11-17
KR930001616B1 (ko) 1993-03-06
GEP19960628B (en) 1996-12-16
EP0125881A2 (en) 1984-11-21
EP0125881A3 (en) 1986-09-03
AU590122B2 (en) 1989-10-26
US4615944A (en) 1986-10-07
AU2807684A (en) 1984-11-22
JPS605443A (ja) 1985-01-12
EP0307554B1 (en) 1993-06-30
AU586763B2 (en) 1989-07-20
MX157152A (es) 1988-10-28
EP0307554A1 (en) 1989-03-22
KR850000105A (ko) 1985-02-25
DE3486172T2 (de) 1993-11-25
ATE46589T1 (de) 1989-10-15
DE3486173T2 (de) 1993-11-25
HK32690A (en) 1990-05-04
AU566931B2 (en) 1987-11-05
AU7867587A (en) 1987-12-24
ATE91191T1 (de) 1993-07-15
IE55853B1 (en) 1991-01-30
DE3479840D1 (en) 1989-10-26
BR8402316A (pt) 1985-04-02
CA1217859A (en) 1987-02-10
EP0125881B1 (en) 1989-09-20
JP2561646B2 (ja) 1996-12-11
SU1503688A3 (ru) 1989-08-23
ATE91195T1 (de) 1993-07-15

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