DE2317409C3 - Magnetaufzeichnungsmedium und Verfahren zu seiner Herstellung - Google Patents

Magnetaufzeichnungsmedium und Verfahren zu seiner Herstellung

Info

Publication number
DE2317409C3
DE2317409C3 DE19732317409 DE2317409A DE2317409C3 DE 2317409 C3 DE2317409 C3 DE 2317409C3 DE 19732317409 DE19732317409 DE 19732317409 DE 2317409 A DE2317409 A DE 2317409A DE 2317409 C3 DE2317409 C3 DE 2317409C3
Authority
DE
Germany
Prior art keywords
binder
powder
magnetic
polymer
dispersion
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
DE19732317409
Other languages
German (de)
English (en)
Other versions
DE2317409B2 (de
DE2317409A1 (de
Inventor
Takashi Shimouma
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 JP3557772A external-priority patent/JPS5119971B2/ja
Priority claimed from JP3557672A external-priority patent/JPS5137002B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of DE2317409A1 publication Critical patent/DE2317409A1/de
Publication of DE2317409B2 publication Critical patent/DE2317409B2/de
Application granted granted Critical
Publication of DE2317409C3 publication Critical patent/DE2317409C3/de
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)
DE19732317409 1972-04-07 1973-04-06 Magnetaufzeichnungsmedium und Verfahren zu seiner Herstellung Expired DE2317409C3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3557772A JPS5119971B2 (US07922777-20110412-C00004.png) 1972-04-07 1972-04-07
JP3557672A JPS5137002B2 (US07922777-20110412-C00004.png) 1972-04-07 1972-04-07

Publications (3)

Publication Number Publication Date
DE2317409A1 DE2317409A1 (de) 1973-10-11
DE2317409B2 DE2317409B2 (de) 1980-11-20
DE2317409C3 true DE2317409C3 (de) 1981-11-12

Family

ID=26374567

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732317409 Expired DE2317409C3 (de) 1972-04-07 1973-04-06 Magnetaufzeichnungsmedium und Verfahren zu seiner Herstellung

Country Status (6)

Country Link
CA (1) CA1042277A (US07922777-20110412-C00004.png)
DE (1) DE2317409C3 (US07922777-20110412-C00004.png)
FR (1) FR2181874B1 (US07922777-20110412-C00004.png)
GB (1) GB1431854A (US07922777-20110412-C00004.png)
IT (1) IT983703B (US07922777-20110412-C00004.png)
NL (1) NL7304945A (US07922777-20110412-C00004.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1167408A (en) * 1980-09-22 1984-05-15 Hao-Jan Chang Electron beam curing of magnetic media
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 (de) * 1984-10-31 1988-09-07 Ibm Deutschland Gmbh Magnetplatte und Verfahren zu ihrer Herstellung

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
DE2317409B2 (de) 1980-11-20
IT983703B (it) 1974-11-11
CA1042277A (en) 1978-11-14
FR2181874B1 (US07922777-20110412-C00004.png) 1977-02-18
DE2317409A1 (de) 1973-10-11
NL7304945A (US07922777-20110412-C00004.png) 1973-10-09
GB1431854A (en) 1976-04-14
FR2181874A1 (US07922777-20110412-C00004.png) 1973-12-07

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Legal Events

Date Code Title Description
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee