NL7209028A - - Google Patents

Info

Publication number
NL7209028A
NL7209028A NL7209028A NL7209028A NL7209028A NL 7209028 A NL7209028 A NL 7209028A NL 7209028 A NL7209028 A NL 7209028A NL 7209028 A NL7209028 A NL 7209028A NL 7209028 A NL7209028 A NL 7209028A
Authority
NL
Netherlands
Application number
NL7209028A
Other versions
NL173450B (nl
NL173450C (nl
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 filed Critical
Publication of NL7209028A publication Critical patent/NL7209028A/xx
Publication of NL173450B publication Critical patent/NL173450B/xx
Application granted granted Critical
Publication of NL173450C publication Critical patent/NL173450C/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
NL7209028A 1971-07-23 1972-06-29 Werkwijze voor het vervaardigen van een magnetisch registreermedium. NL173450C (nl)

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 (3)

Publication Number Publication Date
NL7209028A true NL7209028A (en:Method) 1972-12-27
NL173450B NL173450B (nl) 1983-08-16
NL173450C NL173450C (nl) 1984-01-16

Family

ID=5814549

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7209028A NL173450C (nl) 1971-07-23 1972-06-29 Werkwijze voor het vervaardigen van een magnetisch registreermedium.

Country Status (8)

Country Link
JP (1) JPS5528130B1 (en:Method)
BE (1) BE785308A (en:Method)
CA (1) CA977222A (en:Method)
DE (1) DE2136795C3 (en:Method)
FR (1) FR2147113B1 (en:Method)
GB (1) GB1365647A (en:Method)
IT (1) IT961500B (en:Method)
NL (1) NL173450C (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003227507A1 (en) * 2002-04-15 2003-10-27 Nagase & Co., Ltd. Stamper original and its manufacturing method, stamper and its manufacturing method, and optical disk

Also Published As

Publication number Publication date
CA977222A (en) 1975-11-04
GB1365647A (en) 1974-09-04
DE2136795A1 (de) 1973-03-15
IT961500B (it) 1973-12-10
FR2147113A1 (en:Method) 1973-03-09
NL173450B (nl) 1983-08-16
FR2147113B1 (en:Method) 1975-10-03
NL173450C (nl) 1984-01-16
DE2136795B2 (de) 1977-08-25
DE2136795C3 (de) 1978-04-27
BE785308A (fr) 1972-12-27
JPS5528130B1 (en:Method) 1980-07-25

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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