FR2284580B2 - - Google Patents

Info

Publication number
FR2284580B2
FR2284580B2 FR7431738A FR7431738A FR2284580B2 FR 2284580 B2 FR2284580 B2 FR 2284580B2 FR 7431738 A FR7431738 A FR 7431738A FR 7431738 A FR7431738 A FR 7431738A FR 2284580 B2 FR2284580 B2 FR 2284580B2
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
FR7431738A
Other languages
French (fr)
Other versions
FR2284580A2 (fr
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.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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 Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Priority to FR7431738A priority Critical patent/FR2284580A2/fr
Priority to CH935775A priority patent/CH597109A5/xx
Priority to NL7510163A priority patent/NL183992C/xx
Priority to GB3640675A priority patent/GB1506218A/en
Priority to US05/610,720 priority patent/US3994819A/en
Priority to IT2703875A priority patent/IT1048488B/it
Priority to DE19752540758 priority patent/DE2540758C2/de
Priority to JP50110523A priority patent/JPS5919049B2/ja
Publication of FR2284580A2 publication Critical patent/FR2284580A2/fr
Application granted granted Critical
Publication of FR2284580B2 publication Critical patent/FR2284580B2/fr
Granted 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
    • G11B5/62—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
    • G11B5/70626—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 containing non-metallic substances
    • G11B5/70642—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 containing non-metallic substances iron oxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/02—Oxides; Hydroxides
    • C01G49/06—Ferric oxide [Fe2O3]
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C01P2002/52—Solid solutions containing elements as dopants
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Iron (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7431738A 1974-09-13 1974-09-13 Procede de preparation de solutions solides d'oxydes de fer et de metaux bivalents tels que le cobalt, et produits obtenus Granted FR2284580A2 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR7431738A FR2284580A2 (fr) 1974-09-13 1974-09-13 Procede de preparation de solutions solides d'oxydes de fer et de metaux bivalents tels que le cobalt, et produits obtenus
CH935775A CH597109A5 (OSRAM) 1974-09-13 1975-07-17
NL7510163A NL183992C (nl) 1974-09-13 1975-08-28 Werkwijze voor de bereiding van een fijnverdeeld poeder van een vaste oplossing van met een of meer tweewaardige metalen homogeen gesubstitueerd gamma-feÿ2oÿ3.
GB3640675A GB1506218A (en) 1974-09-13 1975-09-04 Method for the preparation of solid solutions of iron oxides and bivalent metals
US05/610,720 US3994819A (en) 1974-09-13 1975-09-05 Method for the preparation of acicular particles containing iron and other divalent metals
IT2703875A IT1048488B (it) 1974-09-13 1975-09-09 Procedimento di preparazione di soluzioni solide di ossidi di ferro e di metalli bivalenti
DE19752540758 DE2540758C2 (de) 1974-09-13 1975-09-12 Verfahren zur Herstellung gemischter Metalloxalate
JP50110523A JPS5919049B2 (ja) 1974-09-13 1975-09-13 鉄酸化物と２価金属との固溶体の製法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7431738A FR2284580A2 (fr) 1974-09-13 1974-09-13 Procede de preparation de solutions solides d'oxydes de fer et de metaux bivalents tels que le cobalt, et produits obtenus

Publications (2)

Publication Number Publication Date
FR2284580A2 FR2284580A2 (fr) 1976-04-09
FR2284580B2 true FR2284580B2 (OSRAM) 1979-04-13

Family

ID=9143265

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7431738A Granted FR2284580A2 (fr) 1974-09-13 1974-09-13 Procede de preparation de solutions solides d'oxydes de fer et de metaux bivalents tels que le cobalt, et produits obtenus

Country Status (7)

Country Link
JP (1) JPS5919049B2 (OSRAM)
CH (1) CH597109A5 (OSRAM)
DE (1) DE2540758C2 (OSRAM)
FR (1) FR2284580A2 (OSRAM)
GB (1) GB1506218A (OSRAM)
IT (1) IT1048488B (OSRAM)
NL (1) NL183992C (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2587989B1 (fr) * 1985-09-30 1987-11-13 Centre Nat Rech Scient Compositions particulaires d'oxalates de metaux ferromagnetiques, sous forme de particules aciculaires submicroniques, leur preparation et leur application
RU2205722C1 (ru) * 2001-10-25 2003-06-10 ОАО "Камский кузнечный завод" Способ изготовления поковок выдавливанием

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB679172A (en) * 1948-04-23 1952-09-17 Standard Telephones Cables Ltd Improvements in or relating to the production of metal or metal oxide powders and products therefrom

Also Published As

Publication number Publication date
NL183992B (nl) 1988-10-17
IT1048488B (it) 1980-11-20
DE2540758A1 (de) 1976-03-25
DE2540758C2 (de) 1982-11-04
GB1506218A (en) 1978-04-05
CH597109A5 (OSRAM) 1978-03-31
FR2284580A2 (fr) 1976-04-09
JPS5155800A (en) 1976-05-17
NL183992C (nl) 1989-03-16
NL7510163A (nl) 1976-03-16
JPS5919049B2 (ja) 1984-05-02

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