JPS573226A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS573226A
JPS573226A JP7822380A JP7822380A JPS573226A JP S573226 A JPS573226 A JP S573226A JP 7822380 A JP7822380 A JP 7822380A JP 7822380 A JP7822380 A JP 7822380A JP S573226 A JPS573226 A JP S573226A
Authority
JP
Japan
Prior art keywords
magnetic
magnetic recording
recording medium
coupling agent
coating material
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.)
Pending
Application number
JP7822380A
Other languages
Japanese (ja)
Inventor
Yuichi Kubota
Masaharu Nishimatsu
Kazuyuki Tanaka
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
Priority to JP7822380A priority Critical patent/JPS573226A/en
Priority to GB8117509A priority patent/GB2081277B/en
Priority to DE19813123012 priority patent/DE3123012A1/en
Publication of JPS573226A publication Critical patent/JPS573226A/en
Priority to US06/470,180 priority patent/US4415630A/en
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
    • G11B5/708—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

Landscapes

  • Lubricants (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE:To improve the durability, running characteristics, and environmental reliability, etc., of a magnetic recording medium by preventing a magnetic recording layer from breaking away, by using a magnetic coating material obtained by kneading a titanium coupling agent with magnetic powder, a binder, etc. CONSTITUTION:A 0.5-7wt% titanium coupling agent is blended with magnetic powder of needlelike magnetic iron oxide, etc., and a solvent is added and mixed to wet the magnetic powder with the coupling agent. To the wet magnetic powder, a binder, such as vinyl chloride-vinyl acetate and vinyl alcohol copolymer and a solvent are added and mixed by stirring to adjust a magnetic coating material. This magnetic coating material is applied over a base to form a magnetic recording layer. Thus, the wear resistance of a magnetic recording medium to a head recorder system is improved and its abrasion is reduced.
JP7822380A 1980-06-10 1980-06-10 Magnetic recording medium Pending JPS573226A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP7822380A JPS573226A (en) 1980-06-10 1980-06-10 Magnetic recording medium
GB8117509A GB2081277B (en) 1980-06-10 1981-06-08 Magnetic recording layers
DE19813123012 DE3123012A1 (en) 1980-06-10 1981-06-10 Magnetic recording material
US06/470,180 US4415630A (en) 1980-06-10 1983-02-28 Process of making magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7822380A JPS573226A (en) 1980-06-10 1980-06-10 Magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS573226A true JPS573226A (en) 1982-01-08

Family

ID=13656042

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7822380A Pending JPS573226A (en) 1980-06-10 1980-06-10 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS573226A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57210433A (en) * 1981-06-20 1982-12-24 Hitachi Maxell Ltd Magnetic recording medium
JPS5984343A (en) * 1982-11-08 1984-05-16 Konishiroku Photo Ind Co Ltd Magnetic recording medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57210433A (en) * 1981-06-20 1982-12-24 Hitachi Maxell Ltd Magnetic recording medium
JPS5984343A (en) * 1982-11-08 1984-05-16 Konishiroku Photo Ind Co Ltd Magnetic recording medium

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