IT962074B - Cristalli di biossido di cromo ferromagnetici - Google Patents

Cristalli di biossido di cromo ferromagnetici

Info

Publication number
IT962074B
IT962074B IT49794/72A IT4979472A IT962074B IT 962074 B IT962074 B IT 962074B IT 49794/72 A IT49794/72 A IT 49794/72A IT 4979472 A IT4979472 A IT 4979472A IT 962074 B IT962074 B IT 962074B
Authority
IT
Italy
Prior art keywords
crystals
ferromagnetic
chrome dioxide
dioxide
ferromagnetic chrome
Prior art date
Application number
IT49794/72A
Other languages
English (en)
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of IT962074B publication Critical patent/IT962074B/it

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Chemically Coating (AREA)
  • Hard Magnetic Materials (AREA)
IT49794/72A 1971-04-24 1972-04-22 Cristalli di biossido di cromo ferromagnetici IT962074B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712120206 DE2120206A1 (de) 1971-04-24 1971-04-24 Ferromagnetische Chromdioxidkristalle

Publications (1)

Publication Number Publication Date
IT962074B true IT962074B (it) 1973-12-20

Family

ID=5805871

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49794/72A IT962074B (it) 1971-04-24 1972-04-22 Cristalli di biossido di cromo ferromagnetici

Country Status (6)

Country Link
US (1) US3841907A (it)
CA (1) CA995889A (it)
DE (1) DE2120206A1 (it)
FR (1) FR2134445B1 (it)
GB (1) GB1380605A (it)
IT (1) IT962074B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2386486A1 (fr) * 1977-04-07 1978-11-03 Montedison Spa Bioxyde de chrome ferromagnetique stabilise et son procede de preparation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3585141A (en) * 1969-05-05 1971-06-15 Du Pont Stabilization of chromium dioxide by monomeric cyclic amines
US3512930A (en) * 1969-05-07 1970-05-19 Du Pont Stabilized ferromagnetic chromium dioxide
US3586630A (en) * 1969-05-08 1971-06-22 Du Pont Stabilization of chromium dioxide by organophosphorus compounds
US3686031A (en) * 1969-11-26 1972-08-22 Du Pont Metal phosphate coated ferromagnetic chromium oxide and its preparation
JPS4843436B1 (it) * 1970-10-20 1973-12-18

Also Published As

Publication number Publication date
CA995889A (en) 1976-08-31
FR2134445B1 (it) 1976-10-29
DE2120206A1 (de) 1972-11-02
US3841907A (en) 1974-10-15
FR2134445A1 (it) 1972-12-08
GB1380605A (it) 1975-01-15

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