GB1548174A - Magnetic data carrier - Google Patents

Magnetic data carrier

Info

Publication number
GB1548174A
GB1548174A GB2318976A GB2318976A GB1548174A GB 1548174 A GB1548174 A GB 1548174A GB 2318976 A GB2318976 A GB 2318976A GB 2318976 A GB2318976 A GB 2318976A GB 1548174 A GB1548174 A GB 1548174A
Authority
GB
United Kingdom
Prior art keywords
data carrier
magnetic data
magnetic
carrier
data
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
GB2318976A
Other languages
English (en)
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.)
Filmfabrik Wolfen VEB
Original Assignee
Filmfabrik Wolfen VEB
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 Filmfabrik Wolfen VEB filed Critical Filmfabrik Wolfen VEB
Publication of GB1548174A publication Critical patent/GB1548174A/en
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
    • G11B5/7021—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
GB2318976A 1975-06-04 1976-06-04 Magnetic data carrier Expired GB1548174A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD18643275A DD121692A1 (enrdf_load_stackoverflow) 1975-06-04 1975-06-04

Publications (1)

Publication Number Publication Date
GB1548174A true GB1548174A (en) 1979-07-04

Family

ID=5500527

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2318976A Expired GB1548174A (en) 1975-06-04 1976-06-04 Magnetic data carrier

Country Status (6)

Country Link
BE (1) BE840479A (enrdf_load_stackoverflow)
DD (1) DD121692A1 (enrdf_load_stackoverflow)
DE (1) DE2610695A1 (enrdf_load_stackoverflow)
FR (1) FR2313728A1 (enrdf_load_stackoverflow)
GB (1) GB1548174A (enrdf_load_stackoverflow)
SU (1) SU627527A1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5919230A (ja) * 1982-07-21 1984-01-31 Fuji Photo Film Co Ltd 磁気記録媒体

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911196A (en) * 1974-09-30 1975-10-07 Ampex Magnetic tape binder system

Also Published As

Publication number Publication date
SU627527A1 (ru) 1978-10-05
FR2313728B1 (enrdf_load_stackoverflow) 1979-03-16
FR2313728A1 (fr) 1976-12-31
DE2610695A1 (de) 1976-12-23
DD121692A1 (enrdf_load_stackoverflow) 1976-08-12
BE840479A (fr) 1976-08-02

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee