AT295175B - Process for the production of a permanently magnetizable material - Google Patents

Process for the production of a permanently magnetizable material

Info

Publication number
AT295175B
AT295175B AT1081369A AT1081369A AT295175B AT 295175 B AT295175 B AT 295175B AT 1081369 A AT1081369 A AT 1081369A AT 1081369 A AT1081369 A AT 1081369A AT 295175 B AT295175 B AT 295175B
Authority
AT
Austria
Prior art keywords
production
magnetizable material
permanently magnetizable
permanently
magnetizable
Prior art date
Application number
AT1081369A
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
Application granted granted Critical
Publication of AT295175B publication Critical patent/AT295175B/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)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Compounds Of Iron (AREA)
  • Soft Magnetic Materials (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Silicon Compounds (AREA)
AT1081369A 1968-01-06 1969-11-19 Process for the production of a permanently magnetizable material AT295175B (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
AT295175B true AT295175B (en) 1971-12-27

Family

ID=27532474

Family Applications (2)

Application Number Title Priority Date Filing Date
AT1081369A AT295175B (en) 1968-01-06 1969-11-19 Process for the production of a permanently magnetizable material
AT1186469A AT297660B (en) 1968-01-06 1969-12-19 Process for the production of tapes, plates, wires or moldings with a content of magnetically active material

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT1186469A AT297660B (en) 1968-01-06 1969-12-19 Process for the production of tapes, plates, wires or moldings with a content of magnetically active 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
AU4687372A (en) * 1971-09-21 1974-03-28 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
ES373717A1 (en) 1972-04-16
CH558980A (en) 1975-02-14
SE352978B (en) 1973-01-15
DE1963828A1 (en) 1970-10-08
DE1958606B2 (en) 1978-07-20
ES374722A2 (en) 1972-04-01
DE1958606A1 (en) 1970-06-18
BE743394A (en) 1970-06-19
DE1917644A1 (en) 1970-09-10
BE742017A (en) 1970-05-21
GB1291064A (en) 1972-09-27
GB1295440A (en) 1972-11-08
JPS526958B1 (en) 1977-02-25
AT297660B (en) 1972-04-10
BE731186A (en) 1969-10-08
GB1261399A (en) 1972-01-26
SE352767B (en) 1973-01-08
FR2005878A1 (en) 1969-12-19
JPS4912959B1 (en) 1974-03-28
DE1958606C3 (en) 1979-04-19
CH546712A (en) 1974-03-15
FR2030660A5 (en) 1970-11-13
DK134932B (en) 1977-02-14
FR2026578A6 (en) 1970-09-18
DK134932C (en) 1977-07-04

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