IT1009585B - METHOD OF PRODUCTION OF METAL MAGNETIC PARTICLES COATED WITH A PROTECTIVE LAYER - Google Patents

METHOD OF PRODUCTION OF METAL MAGNETIC PARTICLES COATED WITH A PROTECTIVE LAYER

Info

Publication number
IT1009585B
IT1009585B IT1975674A IT1975674A IT1009585B IT 1009585 B IT1009585 B IT 1009585B IT 1975674 A IT1975674 A IT 1975674A IT 1975674 A IT1975674 A IT 1975674A IT 1009585 B IT1009585 B IT 1009585B
Authority
IT
Italy
Prior art keywords
production
protective layer
magnetic particles
metal magnetic
particles coated
Prior art date
Application number
IT1975674A
Other languages
Italian (it)
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of IT1009585B publication Critical patent/IT1009585B/en

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)
  • Powder Metallurgy (AREA)
  • Magnetic Record Carriers (AREA)
  • Hard Magnetic Materials (AREA)
  • Chemical Treatment Of Metals (AREA)
IT1975674A 1973-01-24 1974-01-24 METHOD OF PRODUCTION OF METAL MAGNETIC PARTICLES COATED WITH A PROTECTIVE LAYER IT1009585B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT1009585B true IT1009585B (en) 1976-12-20

Family

ID=11742658

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1975674A IT1009585B (en) 1973-01-24 1974-01-24 METHOD OF PRODUCTION OF METAL MAGNETIC PARTICLES COATED WITH A PROTECTIVE LAYER

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 (9)

* 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 metal magnetic powder with small specific surface area and method for producing the same
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
CN115998158B (en) * 2022-12-29 2025-04-29 武汉苏泊尔炊具有限公司 Non-stick cookware and method for manufacturing the same

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
JPS547074B2 (en) 1979-04-03
DE2403366A1 (en) 1974-07-25
CA1017205A (en) 1977-09-13
FR2214948B1 (en) 1978-03-24
JPS4997738A (en) 1974-09-17
FR2214948A1 (en) 1974-08-19
DE2403366C2 (en) 1986-09-04
GB1450241A (en) 1976-09-22
NL181061C (en) 1987-06-01
NL7401010A (en) 1974-07-26
NL181061B (en) 1987-01-02

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