FR2030660A5 - - Google Patents

Info

Publication number
FR2030660A5
FR2030660A5 FR6940166A FR6940166A FR2030660A5 FR 2030660 A5 FR2030660 A5 FR 2030660A5 FR 6940166 A FR6940166 A FR 6940166A FR 6940166 A FR6940166 A FR 6940166A FR 2030660 A5 FR2030660 A5 FR 2030660A5
Authority
FR
France
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
FR6940166A
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.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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/xx
Priority claimed from NL6818247A external-priority patent/NL6818247A/xx
Application filed by Stamicarbon BV filed Critical Stamicarbon BV
Application granted granted Critical
Publication of FR2030660A5 publication Critical patent/FR2030660A5/fr
Expired legal-status Critical Current

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)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Silicon Compounds (AREA)
  • Soft Magnetic Materials (AREA)
FR6940166A 1968-01-06 1969-11-21 Expired FR2030660A5 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
NL6800237A NL6800237A (fr) 1968-01-06 1968-01-06
NL6804970A NL6804970A (fr) 1968-04-09 1968-04-09
NL6804971A NL6804971A (fr) 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
FR2030660A5 true FR2030660A5 (fr) 1970-11-13

Family

ID=27532474

Family Applications (3)

Application Number Title Priority Date Filing Date
FR6910908A Withdrawn FR2005878A1 (fr) 1968-01-06 1969-04-09
FR6940166A Expired FR2030660A5 (fr) 1968-01-06 1969-11-21
FR6944049A Expired FR2026578A6 (fr) 1968-01-06 1969-12-19

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR6910908A Withdrawn FR2005878A1 (fr) 1968-01-06 1969-04-09

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR6944049A Expired FR2026578A6 (fr) 1968-01-06 1969-12-19

Country Status (10)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0251293A2 (fr) * 1986-06-30 1988-01-07 Nippon Paint Co., Ltd. Toner magnétique encapsulé

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4836163A (fr) * 1971-09-21 1973-05-28
NL7708959A (nl) * 1977-08-15 1979-02-19 Philips Nv Werkwijze voor het vormen van een magneto-op- tische polykristallijne cobalt ferriet laag en cobalt ferriet laag vervaardigd volgens de werkwijze.
JPS59111929A (ja) * 1982-12-15 1984-06-28 Masanori Abe フエライト膜作製方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0251293A2 (fr) * 1986-06-30 1988-01-07 Nippon Paint Co., Ltd. Toner magnétique encapsulé
EP0251293A3 (en) * 1986-06-30 1988-08-24 Nippon Paint Co., Ltd. Magnetic-shell-coated toner

Also Published As

Publication number Publication date
BE743394A (fr) 1970-06-19
GB1261399A (en) 1972-01-26
DE1963828A1 (de) 1970-10-08
FR2005878A1 (fr) 1969-12-19
CH558980A (de) 1975-02-14
JPS4912959B1 (fr) 1974-03-28
DK134932C (fr) 1977-07-04
ES374722A2 (es) 1972-04-01
AT297660B (de) 1972-04-10
JPS526958B1 (fr) 1977-02-25
SE352978B (fr) 1973-01-15
DK134932B (da) 1977-02-14
CH546712A (de) 1974-03-15
DE1917644A1 (de) 1970-09-10
DE1958606C3 (de) 1979-04-19
DE1958606A1 (de) 1970-06-18
FR2026578A6 (fr) 1970-09-18
DE1958606B2 (de) 1978-07-20
BE742017A (fr) 1970-05-21
AT295175B (de) 1971-12-27
ES373717A1 (es) 1972-04-16
SE352767B (fr) 1973-01-08
BE731186A (fr) 1969-10-08
GB1291064A (en) 1972-09-27
GB1295440A (fr) 1972-11-08

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Legal Events

Date Code Title Description
ST Notification of lapse