JPS56124124A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS56124124A
JPS56124124A JP2585480A JP2585480A JPS56124124A JP S56124124 A JPS56124124 A JP S56124124A JP 2585480 A JP2585480 A JP 2585480A JP 2585480 A JP2585480 A JP 2585480A JP S56124124 A JPS56124124 A JP S56124124A
Authority
JP
Japan
Prior art keywords
higher fatty
liquid paraffin
fatty acid
acid
recording 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.)
Pending
Application number
JP2585480A
Other languages
Japanese (ja)
Inventor
Taku Yamase
Kunio Mizushima
Takashi Kuroda
Akito Sakamoto
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.)
Maxell Holdings Ltd
Original Assignee
Hitachi Maxell 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 Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Priority to JP2585480A priority Critical patent/JPS56124124A/en
Publication of JPS56124124A publication Critical patent/JPS56124124A/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
    • G11B5/71—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

Abstract

PURPOSE:To improve the resistance to wear of the magnetic disc at a low temperrature, by causing the magnetic layer to contain a specific lubricant. CONSTITUTION:0.1-20wt% the synthetic squalane which has a viscosity of <=130 centistokes at 0 deg.C and has viscosity of 200 centistokes at -10 deg.C is contained in the magnetic powder, or 0.1-20wt% the lubricant which consists of the mixture of this synthetic squalane, the liquid paraffin, and the higher fatty acid such as myristic acid, palmitic acid, and stearic acid and contains the liquid paraffin and the higher fatty acid in 70:30-98:2 weight ratio and contains the total of the liquid paraffin and the higher fatty acid and the synthetic squalane in 70:30-95:5 weight ratio is contained in the magnetic powder.
JP2585480A 1980-03-01 1980-03-01 Magnetic recording medium Pending JPS56124124A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2585480A JPS56124124A (en) 1980-03-01 1980-03-01 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2585480A JPS56124124A (en) 1980-03-01 1980-03-01 Magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS56124124A true JPS56124124A (en) 1981-09-29

Family

ID=12177408

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2585480A Pending JPS56124124A (en) 1980-03-01 1980-03-01 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS56124124A (en)

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