JPS6334605B2 - - Google Patents

Info

Publication number
JPS6334605B2
JPS6334605B2 JP58006012A JP601283A JPS6334605B2 JP S6334605 B2 JPS6334605 B2 JP S6334605B2 JP 58006012 A JP58006012 A JP 58006012A JP 601283 A JP601283 A JP 601283A JP S6334605 B2 JPS6334605 B2 JP S6334605B2
Authority
JP
Japan
Prior art keywords
iron
iron oxyhydroxide
reaction
magnetic powder
acicular
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
JP58006012A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59132420A (ja
Inventor
Yasukyo Sakamoto
Yoshitaka Orihara
Hiroshi Ochiai
Toshikatsu Uematsu
Tadao Yoshikawa
Hiroshi Matsui
Mitsuo Sugimoto
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.)
Furukawa Kogyo Co Ltd
Original Assignee
Furukawa Kogyo 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 Furukawa Kogyo Co Ltd filed Critical Furukawa Kogyo Co Ltd
Priority to JP58006012A priority Critical patent/JPS59132420A/ja
Publication of JPS59132420A publication Critical patent/JPS59132420A/ja
Publication of JPS6334605B2 publication Critical patent/JPS6334605B2/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
    • G11B5/706—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
    • G11B5/70626—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 containing non-metallic substances
    • G11B5/70642—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 containing non-metallic substances iron oxides
    • G11B5/70647—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 containing non-metallic substances iron oxides with a skin

Landscapes

  • Health & Medical Sciences (AREA)
  • Dermatology (AREA)
  • General Health & Medical Sciences (AREA)
  • Paints Or Removers (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
  • Magnetic Record Carriers (AREA)
  • Hard Magnetic Materials (AREA)
JP58006012A 1983-01-18 1983-01-18 磁気記録用金属磁性粉末の製造法 Granted JPS59132420A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58006012A JPS59132420A (ja) 1983-01-18 1983-01-18 磁気記録用金属磁性粉末の製造法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58006012A JPS59132420A (ja) 1983-01-18 1983-01-18 磁気記録用金属磁性粉末の製造法

Publications (2)

Publication Number Publication Date
JPS59132420A JPS59132420A (ja) 1984-07-30
JPS6334605B2 true JPS6334605B2 (enExample) 1988-07-11

Family

ID=11626795

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58006012A Granted JPS59132420A (ja) 1983-01-18 1983-01-18 磁気記録用金属磁性粉末の製造法

Country Status (1)

Country Link
JP (1) JPS59132420A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5447767B2 (ja) * 2008-08-08 2014-03-19 戸田工業株式会社 強磁性金属粒子粉末の製造法

Also Published As

Publication number Publication date
JPS59132420A (ja) 1984-07-30

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