CH558980A - METHOD FOR MANUFACTURING FERROMAGNETIC MATERIAL. - Google Patents

METHOD FOR MANUFACTURING FERROMAGNETIC MATERIAL.

Info

Publication number
CH558980A
CH558980A CH1886869A CH1886869A CH558980A CH 558980 A CH558980 A CH 558980A CH 1886869 A CH1886869 A CH 1886869A CH 1886869 A CH1886869 A CH 1886869A CH 558980 A CH558980 A CH 558980A
Authority
CH
Switzerland
Prior art keywords
ferromagnetic material
manufacturing ferromagnetic
manufacturing
ferromagnetic
Prior art date
Application number
CH1886869A
Other languages
German (de)
Original Assignee
Stamicarbon
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
Priority claimed from NL6800237A external-priority patent/NL6800237A/xx
Priority claimed from NL6804970A external-priority patent/NL6804970A/xx
Priority claimed from NL6804971A external-priority patent/NL6804971A/xx
Priority claimed from NL6816682A external-priority patent/NL6816682A/en
Priority claimed from NL6818247A external-priority patent/NL6818247A/en
Application filed by Stamicarbon filed Critical Stamicarbon
Publication of CH558980A publication Critical patent/CH558980A/en

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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/8416—Processes or apparatus specially adapted for manufacturing record carriers coating a support with a magnetic layer by precipitation
    • 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
    • G11B5/70605—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 metals or alloys
    • G11B5/7061—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 metals or alloys with a non-magnetic core
    • 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
    • H01F1/063—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 non magnetic core
    • 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
    • H01F1/10—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • H01F1/111—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles with a non-magnetic core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Metallurgy (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Soft Magnetic Materials (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Silicon Compounds (AREA)
CH1886869A 1968-01-06 1969-12-18 METHOD FOR MANUFACTURING FERROMAGNETIC MATERIAL. CH558980A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
NL6800237A NL6800237A (en) 1968-01-06 1968-01-06
NL6804970A NL6804970A (en) 1968-04-09 1968-04-09
NL6804971A NL6804971A (en) 1968-04-09 1968-04-09
NL6816682A NL6816682A (en) 1968-11-21 1968-11-21 Permanently magnetisable substance
NL6818247A NL6818247A (en) 1968-12-19 1968-12-19 Ferromagnetic material prepn.

Publications (1)

Publication Number Publication Date
CH558980A true CH558980A (en) 1975-02-14

Family

ID=27532474

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1712369A CH546712A (en) 1968-01-06 1969-11-18 METHOD FOR MANUFACTURING A PERMANENTLY MAGNETIZABLE MATERIAL.
CH1886869A CH558980A (en) 1968-01-06 1969-12-18 METHOD FOR MANUFACTURING FERROMAGNETIC MATERIAL.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH1712369A CH546712A (en) 1968-01-06 1969-11-18 METHOD FOR MANUFACTURING A PERMANENTLY MAGNETIZABLE MATERIAL.

Country Status (10)

Country Link
JP (2) JPS4912959B1 (en)
AT (2) AT295175B (en)
BE (3) BE731186A (en)
CH (2) CH546712A (en)
DE (3) DE1917644A1 (en)
DK (1) DK134932B (en)
ES (2) ES373717A1 (en)
FR (3) FR2005878A1 (en)
GB (3) GB1261399A (en)
SE (2) SE352767B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1408933A (en) * 1971-09-21 1975-10-08 Union Carbide Corp Thermosetting arylimides
NL7708959A (en) * 1977-08-15 1979-02-19 Philips Nv PROCEDURE FOR FORMING A MAGNETO-OPTIC POLYCRYSTALLINE COBALT FERRITE LAYER AND COBALT FERRITE LAYER MANUFACTURED BY THE PROCESS.
JPS59111929A (en) * 1982-12-15 1984-06-28 Masanori Abe Preparation of ferrite film
JPS6310163A (en) * 1986-06-30 1988-01-16 Nippon Paint Co Ltd Toner coated with magnetic material

Also Published As

Publication number Publication date
GB1261399A (en) 1972-01-26
JPS4912959B1 (en) 1974-03-28
CH546712A (en) 1974-03-15
SE352767B (en) 1973-01-08
FR2005878A1 (en) 1969-12-19
DK134932B (en) 1977-02-14
ES373717A1 (en) 1972-04-16
BE731186A (en) 1969-10-08
DE1963828A1 (en) 1970-10-08
SE352978B (en) 1973-01-15
DK134932C (en) 1977-07-04
DE1958606B2 (en) 1978-07-20
GB1291064A (en) 1972-09-27
GB1295440A (en) 1972-11-08
JPS526958B1 (en) 1977-02-25
BE742017A (en) 1970-05-21
FR2026578A6 (en) 1970-09-18
FR2030660A5 (en) 1970-11-13
DE1958606A1 (en) 1970-06-18
DE1917644A1 (en) 1970-09-10
DE1958606C3 (en) 1979-04-19
BE743394A (en) 1970-06-19
AT295175B (en) 1971-12-27
ES374722A2 (en) 1972-04-01
AT297660B (en) 1972-04-10

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Legal Events

Date Code Title Description
PLZ Patent of addition ceased