JPS4939402B1 - - Google Patents

Info

Publication number
JPS4939402B1
JPS4939402B1 JP42054380A JP5438067A JPS4939402B1 JP S4939402 B1 JPS4939402 B1 JP S4939402B1 JP 42054380 A JP42054380 A JP 42054380A JP 5438067 A JP5438067 A JP 5438067A JP S4939402 B1 JPS4939402 B1 JP S4939402B1
Authority
JP
Japan
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.)
Pending
Application number
JP42054380A
Other languages
Japanese (ja)
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
Priority to JP42054380A priority Critical patent/JPS4939402B1/ja
Priority to GB1232301D priority patent/GB1232301A/en
Priority to DE19681774740 priority patent/DE1774740C3/de
Priority to US15704271 priority patent/US3833412A/en
Publication of JPS4939402B1 publication Critical patent/JPS4939402B1/ja
Pending 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
    • G11B5/71—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 lubricant
    • 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
    • G11B5/708—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 addition of non-magnetic particles to the layer
    • G11B5/7085—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 addition of non-magnetic particles to the layer non-magnetic abrasive particles

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP42054380A 1967-08-24 1967-08-24 Pending JPS4939402B1 (enrdf_load_stackoverflow)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP42054380A JPS4939402B1 (enrdf_load_stackoverflow) 1967-08-24 1967-08-24
GB1232301D GB1232301A (enrdf_load_stackoverflow) 1967-08-24 1968-08-21
DE19681774740 DE1774740C3 (de) 1967-08-24 1968-08-24 Magnetisches Aufzeichnungsmedium
US15704271 US3833412A (en) 1967-08-24 1971-06-25 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP42054380A JPS4939402B1 (enrdf_load_stackoverflow) 1967-08-24 1967-08-24

Publications (1)

Publication Number Publication Date
JPS4939402B1 true JPS4939402B1 (enrdf_load_stackoverflow) 1974-10-25

Family

ID=12969058

Family Applications (1)

Application Number Title Priority Date Filing Date
JP42054380A Pending JPS4939402B1 (enrdf_load_stackoverflow) 1967-08-24 1967-08-24

Country Status (2)

Country Link
JP (1) JPS4939402B1 (enrdf_load_stackoverflow)
GB (1) GB1232301A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS583292B2 (ja) * 1978-10-12 1983-01-20 ティーディーケイ株式会社 磁気記録媒体用磁性塗料の製造法

Also Published As

Publication number Publication date
DE1774740B2 (de) 1973-10-04
GB1232301A (enrdf_load_stackoverflow) 1971-05-19
DE1774740A1 (de) 1972-01-27

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