BE691147A - - Google Patents

Info

Publication number
BE691147A
BE691147A BE691147A BE691147A BE691147A BE 691147 A BE691147 A BE 691147A BE 691147 A BE691147 A BE 691147A BE 691147 A BE691147 A BE 691147A BE 691147 A BE691147 A BE 691147A
Authority
BE
Belgium
Application number
BE691147A
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 filed Critical
Publication of BE691147A publication Critical patent/BE691147A/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
BE691147A 1965-12-14 1966-12-13 BE691147A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51382565A 1965-12-14 1965-12-14

Publications (1)

Publication Number Publication Date
BE691147A true BE691147A (en:Method) 1967-06-13

Family

ID=24044799

Family Applications (1)

Application Number Title Priority Date Filing Date
BE691147A BE691147A (en:Method) 1965-12-14 1966-12-13

Country Status (6)

Country Link
US (1) US3449073A (en:Method)
BE (1) BE691147A (en:Method)
DE (1) DE1592492B1 (en:Method)
FR (1) FR1505024A (en:Method)
GB (1) GB1127968A (en:Method)
NL (1) NL6617476A (en:Method)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3512930A (en) * 1969-05-07 1970-05-19 Du Pont Stabilized ferromagnetic chromium dioxide
JPS4843436B1 (en:Method) * 1970-10-20 1973-12-18
JPS4843437B1 (en:Method) * 1970-12-16 1973-12-18
IT1012202B (it) * 1974-05-09 1977-03-10 Montedison Spa Procedimento per la produzione di biossido di cromo ferromagnetico
DE2942646A1 (de) * 1979-10-22 1981-04-30 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von ferromagnetischem chromdioxid
DE3513723A1 (de) * 1985-04-17 1986-10-23 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von ferromagnetischem chromdioxid
US7276226B2 (en) * 2002-08-29 2007-10-02 Tata Institute Of Fundamental Research Chromium dioxide (CrO2) and composites of chromium dioxide and other oxides of chromium such as CrO2/Cr2O3 and CrO2/Cr2O5) and process for manufacturing the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3278263A (en) * 1964-11-27 1966-10-11 Du Pont Ferromagnetic chromium dioxide and preparation thereof

Also Published As

Publication number Publication date
GB1127968A (en) 1968-09-25
DE1592492B1 (de) 1971-04-08
NL6617476A (en:Method) 1967-06-15
US3449073A (en) 1969-06-10
FR1505024A (fr) 1967-12-08

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: E.I. DU PONT DE NEMOURS AND CY

Effective date: 19861213