NL189161C - Magnetisch registratiemedium. - Google Patents

Magnetisch registratiemedium.

Info

Publication number
NL189161C
NL189161C NL8001640A NL8001640A NL189161C NL 189161 C NL189161 C NL 189161C NL 8001640 A NL8001640 A NL 8001640A NL 8001640 A NL8001640 A NL 8001640A NL 189161 C NL189161 C NL 189161C
Authority
NL
Netherlands
Prior art keywords
registration medium
magnetic registration
magnetic
medium
registration
Prior art date
Application number
NL8001640A
Other languages
English (en)
Other versions
NL189161B (nl
NL8001640A (nl
Original Assignee
Tdk Corp
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 Tdk Corp filed Critical Tdk Corp
Publication of NL8001640A publication Critical patent/NL8001640A/nl
Publication of NL189161B publication Critical patent/NL189161B/nl
Application granted granted Critical
Publication of NL189161C publication Critical patent/NL189161C/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
    • G11B5/706—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 composition of the magnetic material
    • G11B5/70605—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 composition of the magnetic material metals or alloys
    • G11B5/70615—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 composition of the magnetic material metals or alloys containing Fe metal or alloys
    • 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
    • G11B5/714—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 dimension of the magnetic particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
NL8001640A 1979-03-22 1980-03-19 Magnetisch registratiemedium. NL189161C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3222379A JPS55125538A (en) 1979-03-22 1979-03-22 Magnetic recording medium
JP3222379 1979-03-22

Publications (3)

Publication Number Publication Date
NL8001640A NL8001640A (nl) 1980-09-24
NL189161B NL189161B (nl) 1992-08-17
NL189161C true NL189161C (nl) 1993-01-18

Family

ID=12352947

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8001640A NL189161C (nl) 1979-03-22 1980-03-19 Magnetisch registratiemedium.

Country Status (4)

Country Link
JP (1) JPS55125538A (nl)
DE (1) DE3010976C2 (nl)
GB (1) GB2044789B (nl)
NL (1) NL189161C (nl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57183626A (en) * 1981-05-07 1982-11-12 Fuji Photo Film Co Ltd Magnetic recording medium
JPS5864628A (ja) * 1981-10-13 1983-04-18 Hitachi Maxell Ltd 磁気記録媒体
JPS58203622A (ja) * 1982-05-20 1983-11-28 Asahi Chem Ind Co Ltd 磁気記録媒体用磁性塗料組成物
JPS58203625A (ja) * 1982-05-24 1983-11-28 Toshiba Corp 磁気記録媒体
JPS5979431A (ja) * 1982-10-29 1984-05-08 Konishiroku Photo Ind Co Ltd 磁気記録媒体
JPS5979432A (ja) * 1982-10-29 1984-05-08 Konishiroku Photo Ind Co Ltd 磁気記録媒体

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS503641B1 (nl) * 1965-10-30 1975-02-07
US3767464A (en) * 1968-11-13 1973-10-23 Fuji Photo Film Co Ltd Magnetic recording member and method of producing same
JPS574013B2 (nl) * 1974-07-31 1982-01-23

Also Published As

Publication number Publication date
GB2044789B (en) 1983-01-12
NL189161B (nl) 1992-08-17
NL8001640A (nl) 1980-09-24
DE3010976A1 (de) 1980-10-09
GB2044789A (en) 1980-10-22
DE3010976C2 (de) 1984-12-13
JPS55125538A (en) 1980-09-27

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

Free format text: TDK KABUSHIKI KAISHA

A85 Still pending on 85-01-01
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee