BE768910A - Procede de preparation de bioxyde de chrome ferromagnetique - Google Patents

Procede de preparation de bioxyde de chrome ferromagnetique

Info

Publication number
BE768910A
BE768910A BE768910A BE768910A BE768910A BE 768910 A BE768910 A BE 768910A BE 768910 A BE768910 A BE 768910A BE 768910 A BE768910 A BE 768910A BE 768910 A BE768910 A BE 768910A
Authority
BE
Belgium
Prior art keywords
bioxide
preparing ferromagnetic
chrome
ferromagnetic chrome
preparing
Prior art date
Application number
BE768910A
Other languages
English (en)
French (fr)
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Publication of BE768910A publication Critical patent/BE768910A/xx

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
    • G11B5/70636—CrO2
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00—Compounds of chromium
    • C01G37/02—Oxides or hydrates thereof
    • 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
    • C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/42—Magnetic properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Magnetic Record Carriers (AREA)
  • Powder Metallurgy (AREA)
  • Soft Magnetic Materials (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
BE768910A 1970-06-23 1971-06-23 Procede de preparation de bioxyde de chrome ferromagnetique BE768910A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2641270 1970-06-23

Publications (1)

Publication Number Publication Date
BE768910A true BE768910A (fr) 1971-12-23

Family

ID=11219419

Family Applications (1)

Application Number Title Priority Date Filing Date
BE768910A BE768910A (fr) 1970-06-23 1971-06-23 Procede de preparation de bioxyde de chrome ferromagnetique

Country Status (8)

Country Link
BE (1) BE768910A (cs)
CA (1) CA947041A (cs)
DE (1) DE2130547A1 (cs)
ES (1) ES392394A1 (cs)
FR (1) FR2096427B1 (cs)
GB (1) GB1343622A (cs)
NL (1) NL7108266A (cs)
SE (1) SE369184B (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1534634A2 (en) * 2002-08-29 2005-06-01 Tata Institute of Fundamental Research Chromium dioxide (cro sb 2 /sb ) and composites of chromium dioxide and other oxides of chromium such as cro sb 2 /sb /cr sb 2 /sb o sb 3 /sb and cro sb 2 /sb /cr sb 2 /sb o sb 5 /sb and process for manufacturing the same

Also Published As

Publication number Publication date
GB1343622A (en) 1974-01-16
ES392394A1 (es) 1973-08-01
SE369184B (cs) 1974-08-12
DE2130547A1 (de) 1971-12-30
NL7108266A (cs) 1971-12-27
CA947041A (en) 1974-05-14
FR2096427A1 (cs) 1972-02-18
FR2096427B1 (cs) 1974-03-08

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