JPH0459690B2 - - Google Patents

Info

Publication number
JPH0459690B2
JPH0459690B2 JP57221680A JP22168082A JPH0459690B2 JP H0459690 B2 JPH0459690 B2 JP H0459690B2 JP 57221680 A JP57221680 A JP 57221680A JP 22168082 A JP22168082 A JP 22168082A JP H0459690 B2 JPH0459690 B2 JP H0459690B2
Authority
JP
Japan
Prior art keywords
powder
magnetic
particle size
acid
same amount
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 - Lifetime
Application number
JP57221680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59112429A (ja
Inventor
Seiji Wataya
Masayoshi Kawarai
Sadamu Kuze
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 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 JP57221680A priority Critical patent/JPS59112429A/ja
Publication of JPS59112429A publication Critical patent/JPS59112429A/ja
Publication of JPH0459690B2 publication Critical patent/JPH0459690B2/ja
Granted 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
    • G11B5/712—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 surface treatment or coating of magnetic particles

Landscapes

  • Lubricants (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP57221680A 1982-12-17 1982-12-17 磁気記録媒体 Granted JPS59112429A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57221680A JPS59112429A (ja) 1982-12-17 1982-12-17 磁気記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57221680A JPS59112429A (ja) 1982-12-17 1982-12-17 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS59112429A JPS59112429A (ja) 1984-06-28
JPH0459690B2 true JPH0459690B2 (enrdf_load_stackoverflow) 1992-09-24

Family

ID=16770587

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57221680A Granted JPS59112429A (ja) 1982-12-17 1982-12-17 磁気記録媒体

Country Status (1)

Country Link
JP (1) JPS59112429A (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5129923B2 (enrdf_load_stackoverflow) * 1972-08-14 1976-08-28
JPS54124716A (en) * 1978-03-20 1979-09-27 Hitachi Maxell Magnetic disk cartridge

Also Published As

Publication number Publication date
JPS59112429A (ja) 1984-06-28

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