NL172802C - MAGNETIC RECORD MEDIUM. - Google Patents

MAGNETIC RECORD MEDIUM.

Info

Publication number
NL172802C
NL172802C NL7201635A NL7201635A NL172802C NL 172802 C NL172802 C NL 172802C NL 7201635 A NL7201635 A NL 7201635A NL 7201635 A NL7201635 A NL 7201635A NL 172802 C NL172802 C NL 172802C
Authority
NL
Netherlands
Prior art keywords
record medium
magnetic record
magnetic
medium
record
Prior art date
Application number
NL7201635A
Other languages
Dutch (nl)
Other versions
NL7201635A (en
NL172802B (en
Original Assignee
Agfa Gevaert Nv
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 Agfa Gevaert Nv filed Critical Agfa Gevaert Nv
Publication of NL7201635A publication Critical patent/NL7201635A/xx
Publication of NL172802B publication Critical patent/NL172802B/en
Application granted granted Critical
Publication of NL172802C publication Critical patent/NL172802C/en

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
    • G11B5/7021—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 a polyurethane or a polyisocyanate
    • G11B5/7022—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 a polyurethane or a polyisocyanate containing mixtures of polyurethanes or polyisocyanates with other polymers
NL7201635A 1971-02-09 1972-02-08 MAGNETIC RECORD MEDIUM. NL172802C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712106030 DE2106030C3 (en) 1971-02-09 1971-02-09 Magnetic storage medium

Publications (3)

Publication Number Publication Date
NL7201635A NL7201635A (en) 1972-07-25
NL172802B NL172802B (en) 1983-05-16
NL172802C true NL172802C (en) 1983-10-17

Family

ID=5798232

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7201635A NL172802C (en) 1971-02-09 1972-02-08 MAGNETIC RECORD MEDIUM.

Country Status (5)

Country Link
BE (1) BE778843A (en)
DE (1) DE2106030C3 (en)
FR (1) FR2124598B1 (en)
GB (1) GB1351543A (en)
NL (1) NL172802C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5730121A (en) * 1980-07-31 1982-02-18 Tdk Corp Magnetic recording medium
JPS57179943A (en) * 1981-04-27 1982-11-05 Tdk Corp High-density magnetic recording medium

Also Published As

Publication number Publication date
NL7201635A (en) 1972-07-25
FR2124598B1 (en) 1975-10-24
DE2106030C3 (en) 1979-11-15
NL172802B (en) 1983-05-16
GB1351543A (en) 1974-05-01
DE2106030B2 (en) 1978-02-02
FR2124598A1 (en) 1972-09-22
BE778843A (en) 1972-08-02
DE2106030A1 (en) 1972-08-31

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee