BE752959A - Procede de fabrication du dioxyde de chrome ferromagnetique - Google Patents

Procede de fabrication du dioxyde de chrome ferromagnetique

Info

Publication number
BE752959A
BE752959A BE752959DA BE752959A BE 752959 A BE752959 A BE 752959A BE 752959D A BE752959D A BE 752959DA BE 752959 A BE752959 A BE 752959A
Authority
BE
Belgium
Prior art keywords
manufacturing process
ferromagnetic
chrome dioxide
dioxide
ferromagnetic chrome
Prior art date
Application number
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 BE752959A publication Critical patent/BE752959A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • 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
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/60—Compounds characterised by their crystallite size
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/74—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by peak-intensities or a ratio thereof only
    • 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
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
    • 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)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Organic Chemistry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Composite Materials (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Hard Magnetic Materials (AREA)
  • Soft Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
BE752959D 1969-07-03 1970-07-03 Procede de fabrication du dioxyde de chrome ferromagnetique BE752959A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1912369 1969-07-03

Publications (1)

Publication Number Publication Date
BE752959A true BE752959A (fr) 1971-01-04

Family

ID=11154937

Family Applications (1)

Application Number Title Priority Date Filing Date
BE752959D BE752959A (fr) 1969-07-03 1970-07-03 Procede de fabrication du dioxyde de chrome ferromagnetique

Country Status (5)

Country Link
BE (1) BE752959A (enExample)
DE (1) DE2032749A1 (enExample)
ES (1) ES381361A1 (enExample)
FR (1) FR2050481A1 (enExample)
NL (1) NL7009631A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2942646A1 (de) * 1979-10-22 1981-04-30 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von ferromagnetischem chromdioxid

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1407333A (fr) * 1963-07-24 1965-07-30 Bayer Ag Bioxyde de chrome ferromagnétique modifié

Also Published As

Publication number Publication date
ES381361A1 (es) 1972-11-16
NL7009631A (enExample) 1971-01-05
DE2032749A1 (de) 1971-01-14
FR2050481B1 (enExample) 1974-05-03
FR2050481A1 (en) 1971-04-02

Similar Documents

Publication Publication Date Title
BE759530A (fr) Lentille de contact et son procede de fabrication
BE750055A (fr) Tri-montanate de glycerol et procede de fabrication
BE752179A (fr) Procede de fabrication de vetements tricotes et vetements ainsiobtenus
BE758096A (fr) Moule souple et son procede de fabrication
SE403677B (sv) Tyristor och forfarande for dess framstellning
BE749281A (fr) Procede de fabrication de laits vegetaux
BE758662A (fr) Fabrication de sirops d'oligo-glucosylfructoses
BE753341A (fr) Procede pour la fabrication de constructions et elements obtenus par ceprocede
BE750371A (fr) Procede permettant la fabrication d'un aimant permanent
BE746114A (fr) Procede de fabrication de poly-beta-alanine
BE783763A (fr) Production de dioxyde de chrome ferromagnetique
BE749111A (fr) Procede de fabrication du dioxyde de chrome ferromagnetique
BE744372A (fr) Masques photographiques et leur procede de fabrication
BE749818A (fr) Procede de preparation de dioxyde de chrome ferromagnetique
BE752959A (fr) Procede de fabrication du dioxyde de chrome ferromagnetique
BE750713A (fr) Tete magnetique et son procede de fabrication
BE801364A (fr) Procede de fabrication du formaldehyde
CH511781A (fr) Procédé de fabrication de para-tertio-butyl-phénol
BE751878A (fr) Procede de fabrication du methanol
BE799691A (fr) Production du tetramisole
BE758756A (fr) Procede de fabrication de sulfitobetaines
BE802553A (fr) Procede de fabrication de compositions thermo-fusibles et compositions en resultant
BE754447A (fr) Procede de fabrication de 5-alcoylidene-2-
BE754607A (fr) Procede de fabrication de corps creux
BE758821A (fr) Procede pour la fabrication de melanges de monoethanolamine et de triethanolamine