BE805692A - Dragers voor magnetisch materiaal met roethoudende ruglaag - Google Patents

Dragers voor magnetisch materiaal met roethoudende ruglaag

Info

Publication number
BE805692A
BE805692A BE1005401A BE1005401A BE805692A BE 805692 A BE805692 A BE 805692A BE 1005401 A BE1005401 A BE 1005401A BE 1005401 A BE1005401 A BE 1005401A BE 805692 A BE805692 A BE 805692A
Authority
BE
Belgium
Prior art keywords
carriers
magnetic material
back layer
soot containing
containing back
Prior art date
Application number
BE1005401A
Other languages
English (en)
Dutch (nl)
Inventor
A.G. 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 BE805692A publication Critical patent/BE805692A/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
    • 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
    • G11B5/735—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 characterised by the back layer
    • G11B5/7356—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 characterised by the back layer comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2
BE1005401A 1972-10-13 1973-10-05 Dragers voor magnetisch materiaal met roethoudende ruglaag BE805692A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2250383A DE2250383C3 (de) 1972-10-13 1972-10-13 Magnetisierbares Speichermedium

Publications (1)

Publication Number Publication Date
BE805692A true BE805692A (nl) 1974-04-05

Family

ID=5859013

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1005401A BE805692A (nl) 1972-10-13 1973-10-05 Dragers voor magnetisch materiaal met roethoudende ruglaag

Country Status (7)

Country Link
JP (1) JPS4974909A (enrdf_load_stackoverflow)
BE (1) BE805692A (enrdf_load_stackoverflow)
DE (1) DE2250383C3 (enrdf_load_stackoverflow)
FR (1) FR2203129B1 (enrdf_load_stackoverflow)
GB (1) GB1416946A (enrdf_load_stackoverflow)
IT (1) IT994392B (enrdf_load_stackoverflow)
NL (1) NL7313940A (enrdf_load_stackoverflow)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2501372C2 (de) * 1975-01-15 1983-10-27 Basf Ag, 6700 Ludwigshafen Flexible Schichtmagnetogrammträger mit Rückseitenbeschichtung und Verfahren zu ihrer Herstellung
JPS595429A (ja) * 1982-06-30 1984-01-12 Hitachi Maxell Ltd 磁気記録媒体
JPS6080124A (ja) * 1983-10-07 1985-05-08 Fuji Photo Film Co Ltd 磁気記録媒体
DE3405960A1 (de) * 1984-02-18 1985-08-22 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von magnetischen aufzeichnungstraegern mit rueckschicht sowie danach hergestellte magnetische aufzeichnungstraeger
JPS60229235A (ja) * 1984-04-27 1985-11-14 Fuji Photo Film Co Ltd 磁気記録媒体の製法
JPS60238184A (ja) * 1984-05-12 1985-11-27 Fine Tec Kenkyusho:Kk 高速で移動する長尺体の表面に液状体を連続的に塗布する方法
JPS61104327A (ja) * 1984-10-23 1986-05-22 Konishiroku Photo Ind Co Ltd 磁気記録媒体
JPS61180924A (ja) * 1984-12-28 1986-08-13 Konishiroku Photo Ind Co Ltd 磁気記録媒体
KR900002991B1 (en) * 1985-05-29 1990-05-04 Victor Company Of Japan Magnetic recording carrier
KR900002972B1 (ko) * 1985-05-29 1990-05-03 니뽕 빅터 가부시끼가이샤 자기 기록 매체
JPS61273734A (ja) * 1985-05-30 1986-12-04 Victor Co Of Japan Ltd 磁気記録媒体
KR900006305B1 (ko) * 1985-07-22 1990-08-28 니뽕 빅터 가부시끼가이샤 자기 기록 매체

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3440091A (en) * 1965-04-05 1969-04-22 Eastman Kodak Co Conductive magnetic tape support
US3617378A (en) * 1969-09-29 1971-11-02 Ibm Magnetic recording media

Also Published As

Publication number Publication date
FR2203129A1 (enrdf_load_stackoverflow) 1974-05-10
IT994392B (it) 1975-10-20
GB1416946A (en) 1975-12-10
DE2250383C3 (de) 1978-06-15
FR2203129B1 (enrdf_load_stackoverflow) 1979-03-30
JPS4974909A (enrdf_load_stackoverflow) 1974-07-19
DE2250383A1 (de) 1974-05-02
DE2250383B2 (de) 1977-10-27
NL7313940A (enrdf_load_stackoverflow) 1974-03-25

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