CA1042277A - Support d'enregistrement magnetique et mode de fabrication - Google Patents

Support d'enregistrement magnetique et mode de fabrication

Info

Publication number
CA1042277A
CA1042277A CA168,110A CA168110A CA1042277A CA 1042277 A CA1042277 A CA 1042277A CA 168110 A CA168110 A CA 168110A CA 1042277 A CA1042277 A CA 1042277A
Authority
CA
Canada
Prior art keywords
binder
magnetic
polymer
powder
surface active
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
Application number
CA168,110A
Other languages
English (en)
Other versions
CA168110S (en
Inventor
Takashi Shimouma
Shigetaka Higuchi
Junetsu Seto
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.)
Sony Corp
Original Assignee
Sony 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
Priority claimed from JP3557672A external-priority patent/JPS5137002B2/ja
Priority claimed from JP3557772A external-priority patent/JPS5119971B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of CA1042277A publication Critical patent/CA1042277A/fr
Expired legal-status Critical Current

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
    • G11B5/62—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
    • G11B5/7028—Additives, e.g. crosslinking agents
    • 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
    • G11B5/7013—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 dispersing agent

Landscapes

  • Paints Or Removers (AREA)
CA168,110A 1972-04-07 1973-04-06 Support d'enregistrement magnetique et mode de fabrication Expired CA1042277A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3557672A JPS5137002B2 (fr) 1972-04-07 1972-04-07
JP3557772A JPS5119971B2 (fr) 1972-04-07 1972-04-07

Publications (1)

Publication Number Publication Date
CA1042277A true CA1042277A (fr) 1978-11-14

Family

ID=26374567

Family Applications (1)

Application Number Title Priority Date Filing Date
CA168,110A Expired CA1042277A (fr) 1972-04-07 1973-04-06 Support d'enregistrement magnetique et mode de fabrication

Country Status (6)

Country Link
CA (1) CA1042277A (fr)
DE (1) DE2317409C3 (fr)
FR (1) FR2181874B1 (fr)
GB (1) GB1431854A (fr)
IT (1) IT983703B (fr)
NL (1) NL7304945A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1167408A (fr) * 1980-09-22 1984-05-15 Hao-Jan Chang Cure aux electrons d'un support d'enregistrement magnetique
JPS6087429A (ja) * 1983-10-19 1985-05-17 Victor Co Of Japan Ltd 磁気記録媒体及びその製造方法
EP0180651B1 (fr) * 1984-10-31 1988-09-07 Ibm Deutschland Gmbh Disque magnétique et procédé pour sa fabrication

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3404997A (en) * 1965-05-10 1968-10-08 Ampex Magnetic recording media
US3412044A (en) * 1965-06-03 1968-11-19 Ampex Diamine soap as dispersant in magnetic tape formulations

Also Published As

Publication number Publication date
NL7304945A (fr) 1973-10-09
IT983703B (it) 1974-11-11
GB1431854A (en) 1976-04-14
DE2317409A1 (de) 1973-10-11
DE2317409B2 (de) 1980-11-20
DE2317409C3 (de) 1981-11-12
FR2181874B1 (fr) 1977-02-18
FR2181874A1 (fr) 1973-12-07

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