GB2044789B - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
GB2044789B
GB2044789B GB8009353A GB8009353A GB2044789B GB 2044789 B GB2044789 B GB 2044789B GB 8009353 A GB8009353 A GB 8009353A GB 8009353 A GB8009353 A GB 8009353A GB 2044789 B GB2044789 B GB 2044789B
Authority
GB
United Kingdom
Prior art keywords
recording medium
magnetic recording
magnetic
medium
recording
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
GB8009353A
Other versions
GB2044789A (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.)
TDK Corp
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 GB2044789A publication Critical patent/GB2044789A/en
Application granted granted Critical
Publication of GB2044789B publication Critical patent/GB2044789B/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
    • G11B5/706—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)
GB8009353A 1979-03-22 1980-03-20 Magnetic recording medium Expired GB2044789B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
GB2044789A GB2044789A (en) 1980-10-22
GB2044789B true GB2044789B (en) 1983-01-12

Family

ID=12352947

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8009353A Expired GB2044789B (en) 1979-03-22 1980-03-20 Magnetic recording medium

Country Status (4)

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

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 (en) * 1981-10-13 1983-04-18 Hitachi Maxell Ltd Magnetic recording medium
JPS58203622A (en) * 1982-05-20 1983-11-28 Asahi Chem Ind Co Ltd Magnetic coating composition for magnetic recording medium
JPS58203625A (en) * 1982-05-24 1983-11-28 Toshiba Corp Magnetic recording medium
JPS5979432A (en) * 1982-10-29 1984-05-08 Konishiroku Photo Ind Co Ltd Magnetic recording medium
JPS5979431A (en) * 1982-10-29 1984-05-08 Konishiroku Photo Ind Co Ltd Magnetic recording medium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS503641B1 (en) * 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 (en) * 1974-07-31 1982-01-23

Also Published As

Publication number Publication date
NL189161C (en) 1993-01-18
GB2044789A (en) 1980-10-22
DE3010976C2 (en) 1984-12-13
NL189161B (en) 1992-08-17
JPS55125538A (en) 1980-09-27
NL8001640A (en) 1980-09-24
DE3010976A1 (en) 1980-10-09

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Legal Events

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

Effective date: 19940320