NL185313C - Werkwijze ter vervaardiging van flexibele laagvormige magnetogramdragers, alsmede de verkregen magnetogramdragers. - Google Patents

Werkwijze ter vervaardiging van flexibele laagvormige magnetogramdragers, alsmede de verkregen magnetogramdragers.

Info

Publication number
NL185313C
NL185313C NLAANVRAGE7311836,A NL7311836A NL185313C NL 185313 C NL185313 C NL 185313C NL 7311836 A NL7311836 A NL 7311836A NL 185313 C NL185313 C NL 185313C
Authority
NL
Netherlands
Prior art keywords
magnetogram carriers
magnetogram
manufacturing flexible
flexible layered
carriers
Prior art date
Application number
NLAANVRAGE7311836,A
Other languages
English (en)
Other versions
NL185313B (nl
NL7311836A (nl
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of NL7311836A publication Critical patent/NL7311836A/xx
Publication of NL185313B publication Critical patent/NL185313B/nl
Application granted granted Critical
Publication of NL185313C publication Critical patent/NL185313C/nl

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
    • 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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
NLAANVRAGE7311836,A 1972-08-30 1973-08-28 Werkwijze ter vervaardiging van flexibele laagvormige magnetogramdragers, alsmede de verkregen magnetogramdragers. NL185313C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2242499A DE2242499C3 (de) 1972-08-30 1972-08-30 Verfahren zum Herstellen von flexiblen Schichtmagnetogrammträgern

Publications (3)

Publication Number Publication Date
NL7311836A NL7311836A (nl) 1974-03-04
NL185313B NL185313B (nl) 1989-10-02
NL185313C true NL185313C (nl) 1990-03-01

Family

ID=5854917

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7311836,A NL185313C (nl) 1972-08-30 1973-08-28 Werkwijze ter vervaardiging van flexibele laagvormige magnetogramdragers, alsmede de verkregen magnetogramdragers.

Country Status (6)

Country Link
CA (1) CA995068A (nl)
DE (1) DE2242499C3 (nl)
FR (1) FR2198201B1 (nl)
GB (1) GB1445152A (nl)
IT (1) IT990349B (nl)
NL (1) NL185313C (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0762892B2 (ja) * 1984-06-08 1995-07-05 ティーディーケイ株式会社 画像記録用磁気記録媒体

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE617295A (nl) * 1962-01-22 1962-10-29 Gevaert Photo Prod Nv Magnetisch registreermateriaal.
GB1006140A (en) * 1963-07-26 1965-09-29 Gevaert Photo Prod Nv Magnetic recording medium
NL131590C (nl) * 1963-09-13 1900-01-01
US3493567A (en) * 1968-01-22 1970-02-03 Dart Ind Inc Substituted diazocinophenothiazines
GB1305392A (nl) * 1969-03-14 1973-01-31

Also Published As

Publication number Publication date
CA995068A (en) 1976-08-17
NL185313B (nl) 1989-10-02
GB1445152A (en) 1976-08-04
FR2198201B1 (nl) 1977-05-13
DE2242499B2 (de) 1980-11-13
FR2198201A1 (nl) 1974-03-29
DE2242499A1 (de) 1974-03-07
DE2242499C3 (de) 1981-08-20
NL7311836A (nl) 1974-03-04
IT990349B (it) 1975-06-20

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee