JPS5654013A - Metallic magnetic powder and treatment thereof - Google Patents

Metallic magnetic powder and treatment thereof

Info

Publication number
JPS5654013A
JPS5654013A JP13053879A JP13053879A JPS5654013A JP S5654013 A JPS5654013 A JP S5654013A JP 13053879 A JP13053879 A JP 13053879A JP 13053879 A JP13053879 A JP 13053879A JP S5654013 A JPS5654013 A JP S5654013A
Authority
JP
Japan
Prior art keywords
magnetic powder
treatment
property
salt
particles
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
JP13053879A
Other languages
English (en)
Other versions
JPS5854485B2 (ja
Inventor
Hiroshi Zaitsu
Nariyuki Hosoo
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 JP54130538A priority Critical patent/JPS5854485B2/ja
Priority to US06/194,858 priority patent/US4305993A/en
Priority to EP80106109A priority patent/EP0027255B1/en
Priority to DE8080106109T priority patent/DE3066061D1/de
Publication of JPS5654013A publication Critical patent/JPS5654013A/ja
Publication of JPS5854485B2 publication Critical patent/JPS5854485B2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/06—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/061—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder with a protective layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Powder Metallurgy (AREA)
  • Magnetic Record Carriers (AREA)
  • Hard Magnetic Materials (AREA)
  • Paints Or Removers (AREA)
JP54130538A 1979-10-09 1979-10-09 金属磁性粉末と処理方法 Expired JPS5854485B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP54130538A JPS5854485B2 (ja) 1979-10-09 1979-10-09 金属磁性粉末と処理方法
US06/194,858 US4305993A (en) 1979-10-09 1980-10-07 Magnetic recording medium
EP80106109A EP0027255B1 (en) 1979-10-09 1980-10-08 Magnetic recording medium
DE8080106109T DE3066061D1 (en) 1979-10-09 1980-10-08 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54130538A JPS5854485B2 (ja) 1979-10-09 1979-10-09 金属磁性粉末と処理方法

Publications (2)

Publication Number Publication Date
JPS5654013A true JPS5654013A (en) 1981-05-13
JPS5854485B2 JPS5854485B2 (ja) 1983-12-05

Family

ID=15036676

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54130538A Expired JPS5854485B2 (ja) 1979-10-09 1979-10-09 金属磁性粉末と処理方法

Country Status (1)

Country Link
JP (1) JPS5854485B2 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5920402A (ja) * 1982-07-26 1984-02-02 Fuji Photo Film Co Ltd 強磁性金属粉末
JPS61288001A (ja) * 1985-06-12 1986-12-18 Toda Kogyo Corp 金属鉄粒子粉末又は鉄を主成分とする合金磁性粒子粉末の製造法
JP2008248238A (ja) * 2007-03-07 2008-10-16 Hitachi Maxell Ltd 磁性塗料の製造方法及びその磁性塗料を用いた磁気記録媒体

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5920402A (ja) * 1982-07-26 1984-02-02 Fuji Photo Film Co Ltd 強磁性金属粉末
JPS61288001A (ja) * 1985-06-12 1986-12-18 Toda Kogyo Corp 金属鉄粒子粉末又は鉄を主成分とする合金磁性粒子粉末の製造法
JP2008248238A (ja) * 2007-03-07 2008-10-16 Hitachi Maxell Ltd 磁性塗料の製造方法及びその磁性塗料を用いた磁気記録媒体

Also Published As

Publication number Publication date
JPS5854485B2 (ja) 1983-12-05

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