GB2103110B - Method of making a magnetic recording medium - Google Patents

Method of making a magnetic recording medium

Info

Publication number
GB2103110B
GB2103110B GB08218522A GB8218522A GB2103110B GB 2103110 B GB2103110 B GB 2103110B GB 08218522 A GB08218522 A GB 08218522A GB 8218522 A GB8218522 A GB 8218522A GB 2103110 B GB2103110 B GB 2103110B
Authority
GB
United Kingdom
Prior art keywords
making
recording medium
magnetic recording
magnetic
medium
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
GB08218522A
Other versions
GB2103110A (en
Inventor
Yasuyuki Yamada
Tsutomu Okita
Nobuo Tsuji
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of GB2103110A publication Critical patent/GB2103110A/en
Application granted granted Critical
Publication of GB2103110B publication Critical patent/GB2103110B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
    • 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
    • G11B5/702—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 bonding agent
    • G11B5/7023—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 bonding agent containing polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
    • 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
    • G11B5/702—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 bonding agent
    • G11B5/7026—Radiation curable polymers
    • 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
    • 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
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73923—Organic polymer substrates
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
GB08218522A 1981-06-30 1982-06-25 Method of making a magnetic recording medium Expired GB2103110B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56100420A JPS583132A (en) 1981-06-30 1981-06-30 Magnetic recording medium

Publications (2)

Publication Number Publication Date
GB2103110A GB2103110A (en) 1983-02-16
GB2103110B true GB2103110B (en) 1985-01-09

Family

ID=14273479

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08218522A Expired GB2103110B (en) 1981-06-30 1982-06-25 Method of making a magnetic recording medium

Country Status (4)

Country Link
JP (1) JPS583132A (en)
DE (1) DE3224318A1 (en)
GB (1) GB2103110B (en)
NL (1) NL8202629A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5965929A (en) * 1982-10-06 1984-04-14 Tdk Corp Magnetic recording medium and its manufacture
JPS59172158A (en) * 1983-03-18 1984-09-28 Hitachi Maxell Ltd Magnetic recording medium
DE3418907A1 (en) * 1983-05-19 1984-11-22 Tdk Corp., Tokio/Tokyo Magnetic recording material
JPS6045937A (en) * 1983-08-22 1985-03-12 Tdk Corp Magnetic recording medium
JPS6050619A (en) * 1983-08-29 1985-03-20 Tdk Corp Magnetic disc and its production
JPS6059528A (en) * 1983-09-12 1985-04-05 Tdk Corp Magnetic recording medium
JPS6083217A (en) * 1983-10-12 1985-05-11 Tdk Corp Magnetic recording medium
DE3437887A1 (en) * 1983-10-17 1985-05-23 TDK Corporation, Tokio/Tokyo MAGNETIC RECORDING CARRIER
DE3405960A1 (en) * 1984-02-18 1985-08-22 Basf Ag, 6700 Ludwigshafen METHOD FOR PRODUCING MAGNETIC RECORDING CARRIERS WITH REAR LAYER AND MAGNETIC RECORDING CARTRIDGES PRODUCED THEREOF

Also Published As

Publication number Publication date
GB2103110A (en) 1983-02-16
DE3224318A1 (en) 1983-01-20
NL8202629A (en) 1983-01-17
JPS583132A (en) 1983-01-08

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Legal Events

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