BE748938A - Support d'enregistrement magnetique - Google Patents

Support d'enregistrement magnetique

Info

Publication number
BE748938A
BE748938A BE748938DA BE748938A BE 748938 A BE748938 A BE 748938A BE 748938D A BE748938D A BE 748938DA BE 748938 A BE748938 A BE 748938A
Authority
BE
Belgium
Prior art keywords
magnetic recording
recording support
support
magnetic
recording
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
H V Peugh
L Di Ricco
C R Hawkins
E G Newman
R F Ryon
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of BE748938A publication Critical patent/BE748938A/xx

Links

Classifications

    • 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
    • G11B5/842—Coating a support with a liquid magnetic dispersion
    • 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
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/702—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent
    • G11B5/7023—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent containing polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
    • 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
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/716—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by two or more magnetic layers
    • G11B5/718—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by two or more magnetic layers at least one on each side of the base layer
    • 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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/733—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the addition of non-magnetic particles
    • 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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73911—Inorganic substrates
    • G11B5/73917—Metallic substrates, i.e. elemental metal or metal alloy substrates
    • G11B5/73919—Aluminium or titanium elemental or alloy substrates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
BE748938D 1969-04-14 1970-04-14 Support d'enregistrement magnetique BE748938A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81573669A 1969-04-14 1969-04-14
US81560069A 1969-04-14 1969-04-14

Publications (1)

Publication Number Publication Date
BE748938A true BE748938A (fr) 1970-09-16

Family

ID=27123975

Family Applications (1)

Application Number Title Priority Date Filing Date
BE748938D BE748938A (fr) 1969-04-14 1970-04-14 Support d'enregistrement magnetique

Country Status (4)

Country Link
BE (1) BE748938A (xx)
CH (1) CH506155A (xx)
DE (1) DE2016422A1 (xx)
FR (1) FR2039149A1 (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2206548A1 (xx) * 1972-11-10 1974-06-07 Basf Ag
FR2206549A1 (xx) * 1972-11-10 1974-06-07 Basf Ag

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5136044B1 (xx) * 1971-04-20 1976-10-06
GB1536818A (en) * 1976-09-14 1978-12-20 Dainippon Printing Co Ltd Magnetic sable recording structure
FR2461996A1 (fr) * 1979-07-18 1981-02-06 Matsushita Electric Ind Co Ltd Support d'enregistrement magnetique
US4515828A (en) * 1981-01-02 1985-05-07 International Business Machines Corporation Planarization method
DE3212907C2 (de) * 1981-04-06 1985-10-24 Olympus Optical Co., Ltd., Tokio/Tokyo Magnetband sowie Verfahren zu dessen Herstellung
US4548855A (en) * 1982-11-02 1985-10-22 Toray Industries, Inc. Polyester film for magnetic recording medium
JPH0610873B2 (ja) * 1984-02-08 1994-02-09 日立マクセル株式会社 磁気デイスク
JPH0618067B2 (ja) * 1984-02-13 1994-03-09 日本ビクター株式会社 磁気記録媒体
CA1243402A (en) * 1984-05-16 1988-10-18 Burroughs Corporation Methods of preparing and applying subbing layers for optical data disks
US4677032A (en) * 1985-09-23 1987-06-30 International Business Machines Corporation Vertical magnetic recording media with multilayered magnetic film structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2206548A1 (xx) * 1972-11-10 1974-06-07 Basf Ag
FR2206549A1 (xx) * 1972-11-10 1974-06-07 Basf Ag

Also Published As

Publication number Publication date
FR2039149A1 (xx) 1971-01-15
CH506155A (de) 1971-04-15
DE2016422A1 (de) 1970-10-15

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