JPS55157216A - Manufacture of magnetic powder for magnetic recording - Google Patents

Manufacture of magnetic powder for magnetic recording

Info

Publication number
JPS55157216A
JPS55157216A JP6579779A JP6579779A JPS55157216A JP S55157216 A JPS55157216 A JP S55157216A JP 6579779 A JP6579779 A JP 6579779A JP 6579779 A JP6579779 A JP 6579779A JP S55157216 A JPS55157216 A JP S55157216A
Authority
JP
Japan
Prior art keywords
magnetic powder
water
particles
powder particles
magnetic
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.)
Granted
Application number
JP6579779A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6331085B2 (cs
Inventor
Haruo Ando
Fumio Togawa
Susumu Kitaoka
Toshihiko Tanabe
Kosaburo Sato
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 JP6579779A priority Critical patent/JPS55157216A/ja
Publication of JPS55157216A publication Critical patent/JPS55157216A/ja
Publication of JPS6331085B2 publication Critical patent/JPS6331085B2/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)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP6579779A 1979-05-28 1979-05-28 Manufacture of magnetic powder for magnetic recording Granted JPS55157216A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6579779A JPS55157216A (en) 1979-05-28 1979-05-28 Manufacture of magnetic powder for magnetic recording

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6579779A JPS55157216A (en) 1979-05-28 1979-05-28 Manufacture of magnetic powder for magnetic recording

Publications (2)

Publication Number Publication Date
JPS55157216A true JPS55157216A (en) 1980-12-06
JPS6331085B2 JPS6331085B2 (cs) 1988-06-22

Family

ID=13297372

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6579779A Granted JPS55157216A (en) 1979-05-28 1979-05-28 Manufacture of magnetic powder for magnetic recording

Country Status (1)

Country Link
JP (1) JPS55157216A (cs)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58204504A (ja) * 1982-05-07 1983-11-29 バスフ　アクチェン　ゲゼルシャフト 磁気分散体の製造方法
DE3312243A1 (de) * 1982-09-16 1984-03-22 Ishihara Sangyo Kaisha, Ltd., Osaka Verfahren zur herstellung eines magnetpulvers
JPS6123690A (ja) * 1984-07-12 1986-02-01 Masaya Kuno 原油の新処理方法
JPS61101010A (ja) * 1984-10-24 1986-05-19 Ishihara Sangyo Kaisha Ltd コバルト含有磁性酸化鉄粉末の製造方法
DE3702161A1 (de) * 1986-01-30 1987-08-06 Ishihara Mining & Chemical Co Kobalthaltiges ferromagnetisches pulverfoermiges eisenoxid und verfahren zu seiner herstellung
US5484545A (en) * 1992-11-11 1996-01-16 Toda Kogyo Corporation Magnetic particles for magnetic recording medium and process for producing the same
JP2011184262A (ja) * 2010-03-10 2011-09-22 General Co Ltd 水性磁性分散体および磁性インクジェットインク
US9269066B2 (en) 2010-03-15 2016-02-23 Dolby Laboratories Licensing Corporation 3D glasses and related systems

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5446510A (en) * 1977-09-20 1979-04-12 Hitachi Maxell Magnetic recording medium

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5446510A (en) * 1977-09-20 1979-04-12 Hitachi Maxell Magnetic recording medium

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58204504A (ja) * 1982-05-07 1983-11-29 バスフ　アクチェン　ゲゼルシャフト 磁気分散体の製造方法
DE3312243A1 (de) * 1982-09-16 1984-03-22 Ishihara Sangyo Kaisha, Ltd., Osaka Verfahren zur herstellung eines magnetpulvers
JPS6123690A (ja) * 1984-07-12 1986-02-01 Masaya Kuno 原油の新処理方法
JPS61101010A (ja) * 1984-10-24 1986-05-19 Ishihara Sangyo Kaisha Ltd コバルト含有磁性酸化鉄粉末の製造方法
DE3702161A1 (de) * 1986-01-30 1987-08-06 Ishihara Mining & Chemical Co Kobalthaltiges ferromagnetisches pulverfoermiges eisenoxid und verfahren zu seiner herstellung
DE3702161C2 (de) * 1986-01-30 1998-08-27 Ishihara Sangyo Kaisha Kobalthaltiges ferromagnetisches pulverförmiges Eisenoxid und Verfahren zu seiner Herstellung
US5484545A (en) * 1992-11-11 1996-01-16 Toda Kogyo Corporation Magnetic particles for magnetic recording medium and process for producing the same
US5543069A (en) * 1992-11-11 1996-08-06 Toda Kogyo Corporation Magnetic particles for magnetic recording medium and process for producing the same
JP2011184262A (ja) * 2010-03-10 2011-09-22 General Co Ltd 水性磁性分散体および磁性インクジェットインク
US9269066B2 (en) 2010-03-15 2016-02-23 Dolby Laboratories Licensing Corporation 3D glasses and related systems
US9824330B2 (en) 2010-03-15 2017-11-21 Dolby Laboratories Licensing Corporation 3D glasses and related systems

Also Published As

Publication number Publication date
JPS6331085B2 (cs) 1988-06-22

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