BE785308A - Magnetisch registreermedium - Google Patents

Magnetisch registreermedium

Info

Publication number
BE785308A
BE785308A BE785308A BE785308A BE785308A BE 785308 A BE785308 A BE 785308A BE 785308 A BE785308 A BE 785308A BE 785308 A BE785308 A BE 785308A BE 785308 A BE785308 A BE 785308A
Authority
BE
Belgium
Prior art keywords
registreermedium
magnetisch
magnetisch registreermedium
Prior art date
Application number
BE785308A
Other languages
English (en)
French (fr)
Inventor
Ag Agfa-Gevaert
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 BE785308A publication Critical patent/BE785308A/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
    • G11B5/62—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
    • G11B5/702—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
BE785308A 1971-07-23 1972-06-23 Magnetisch registreermedium BE785308A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712136795 DE2136795C3 (de) 1971-07-23 1971-07-23 Verfahren zur Herstellung von magnetisierbaren Speichermedien

Publications (1)

Publication Number Publication Date
BE785308A true BE785308A (fr) 1972-12-27

Family

ID=5814549

Family Applications (1)

Application Number Title Priority Date Filing Date
BE785308A BE785308A (fr) 1971-07-23 1972-06-23 Magnetisch registreermedium

Country Status (8)

Country Link
JP (1) JPS5528130B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE785308A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA977222A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2136795C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2147113B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1365647A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT961500B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL173450C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200306567A (en) * 2002-04-15 2003-11-16 Nagase & Co Ltd Stamper original and its manufacturing method, stamper and its manufacturing method, and optical disk

Also Published As

Publication number Publication date
NL173450C (nl) 1984-01-16
NL7209028A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-12-27
FR2147113B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-10-03
NL173450B (nl) 1983-08-16
DE2136795C3 (de) 1978-04-27
FR2147113A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-03-09
IT961500B (it) 1973-12-10
DE2136795A1 (de) 1973-03-15
GB1365647A (en) 1974-09-04
DE2136795B2 (de) 1977-08-25
JPS5528130B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-07-25
CA977222A (en) 1975-11-04

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: AGFA-GEVAERT N.V.

Effective date: 19850623