JPS547074B2 - - Google Patents

Info

Publication number
JPS547074B2
JPS547074B2 JP1016573A JP1016573A JPS547074B2 JP S547074 B2 JPS547074 B2 JP S547074B2 JP 1016573 A JP1016573 A JP 1016573A JP 1016573 A JP1016573 A JP 1016573A JP S547074 B2 JPS547074 B2 JP S547074B2
Authority
JP
Japan
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
JP1016573A
Other languages
Japanese (ja)
Other versions
JPS4997738A (en
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 filed Critical
Priority to JP1016573A priority Critical patent/JPS547074B2/ja
Priority to GB234474A priority patent/GB1450241A/en
Priority to CA190,751A priority patent/CA1017205A/en
Priority to IT1975674A priority patent/IT1009585B/en
Priority to NL7401010A priority patent/NL181061C/en
Priority to FR7402443A priority patent/FR2214948B1/fr
Priority to DE19742403366 priority patent/DE2403366C2/en
Publication of JPS4997738A publication Critical patent/JPS4997738A/ja
Publication of JPS547074B2 publication Critical patent/JPS547074B2/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)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
  • Powder Metallurgy (AREA)
  • Hard Magnetic Materials (AREA)
  • Chemical Treatment Of Metals (AREA)
JP1016573A 1973-01-24 1973-01-24 Expired JPS547074B2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP1016573A JPS547074B2 (en) 1973-01-24 1973-01-24
GB234474A GB1450241A (en) 1973-01-24 1974-01-17 Methods of making magnetic metal particles coated with a protective layer
CA190,751A CA1017205A (en) 1973-01-24 1974-01-23 Method of making metal magnetic particles coated with a protective layer
IT1975674A IT1009585B (en) 1973-01-24 1974-01-24 METHOD OF PRODUCTION OF METAL MAGNETIC PARTICLES COATED WITH A PROTECTIVE LAYER
NL7401010A NL181061C (en) 1973-01-24 1974-01-24 METHOD FOR MAKING A MAGNETISABLE METAL POWDER AND MAGNETIC RECORD MEDIUM
FR7402443A FR2214948B1 (en) 1973-01-24 1974-01-24
DE19742403366 DE2403366C2 (en) 1973-01-24 1974-01-24 Process for the production of ferromagnetic particles coated with a protective layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1016573A JPS547074B2 (en) 1973-01-24 1973-01-24

Publications (2)

Publication Number Publication Date
JPS4997738A JPS4997738A (en) 1974-09-17
JPS547074B2 true JPS547074B2 (en) 1979-04-03

Family

ID=11742658

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1016573A Expired JPS547074B2 (en) 1973-01-24 1973-01-24

Country Status (7)

Country Link
JP (1) JPS547074B2 (en)
CA (1) CA1017205A (en)
DE (1) DE2403366C2 (en)
FR (1) FR2214948B1 (en)
GB (1) GB1450241A (en)
IT (1) IT1009585B (en)
NL (1) NL181061C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS554804B2 (en) * 1975-03-22 1980-02-01
JPS609322B2 (en) * 1976-07-13 1985-03-09 日立マクセル株式会社 Manufacturing method of metal magnetic powder for magnetic recording
JPS5629841A (en) * 1979-08-12 1981-03-25 Tdk Corp Magnetic recording medium
US4305993A (en) * 1979-10-09 1981-12-15 Hitachi Maxell, Ltd. Magnetic recording medium
JPS579802A (en) * 1980-06-20 1982-01-19 Dainippon Ink & Chem Inc Metallic magnetic powder and its manufacture
JPS6036603A (en) * 1983-08-10 1985-02-25 Dainippon Ink & Chem Inc Fine magnetic metallic powder having small specific surface area and its manufacture
JPH0643601B2 (en) * 1985-06-12 1994-06-08 戸田工業株式会社 Method for producing metallic iron particle powder or alloy magnetic particle powder mainly composed of iron
JPH0657182A (en) * 1992-07-06 1994-03-01 Minnesota Mining & Mfg Co <3M> Production of magnetic coating material

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD91017A (en) *
FR1114250A (en) * 1953-12-02 1956-04-10 Electro Chimie Soc D Improvements in the manufacture of permanent magnets

Also Published As

Publication number Publication date
NL7401010A (en) 1974-07-26
NL181061B (en) 1987-01-02
FR2214948B1 (en) 1978-03-24
DE2403366C2 (en) 1986-09-04
NL181061C (en) 1987-06-01
CA1017205A (en) 1977-09-13
IT1009585B (en) 1976-12-20
DE2403366A1 (en) 1974-07-25
FR2214948A1 (en) 1974-08-19
JPS4997738A (en) 1974-09-17
GB1450241A (en) 1976-09-22

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