NL7313940A - - Google Patents

Info

Publication number
NL7313940A
NL7313940A NL7313940A NL7313940A NL7313940A NL 7313940 A NL7313940 A NL 7313940A NL 7313940 A NL7313940 A NL 7313940A NL 7313940 A NL7313940 A NL 7313940A NL 7313940 A NL7313940 A NL 7313940A
Authority
NL
Netherlands
Application number
NL7313940A
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 NL7313940A publication Critical patent/NL7313940A/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
NL7313940A 1972-10-13 1973-10-10 NL7313940A (enrdf_load_html_response)

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
NL7313940A true NL7313940A (enrdf_load_html_response) 1974-03-25

Family

ID=5859013

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7313940A NL7313940A (enrdf_load_html_response) 1972-10-13 1973-10-10

Country Status (7)

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

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
KR900002972B1 (ko) * 1985-05-29 1990-05-03 니뽕 빅터 가부시끼가이샤 자기 기록 매체
KR900002991B1 (en) * 1985-05-29 1990-05-04 Victor Company Of Japan Magnetic recording carrier
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
JPS4974909A (enrdf_load_html_response) 1974-07-19
IT994392B (it) 1975-10-20
DE2250383C3 (de) 1978-06-15
DE2250383B2 (de) 1977-10-27
GB1416946A (en) 1975-12-10
FR2203129B1 (enrdf_load_html_response) 1979-03-30
FR2203129A1 (enrdf_load_html_response) 1974-05-10
DE2250383A1 (de) 1974-05-02
BE805692A (nl) 1974-04-05

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Legal Events

Date Code Title Description
BV The patent application has lapsed