JPS498494A - - Google Patents

Info

Publication number
JPS498494A
JPS498494A JP47048919A JP4891972A JPS498494A JP S498494 A JPS498494 A JP S498494A JP 47048919 A JP47048919 A JP 47048919A JP 4891972 A JP4891972 A JP 4891972A JP S498494 A JPS498494 A JP S498494A
Authority
JP
Japan
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.)
Granted
Application number
JP47048919A
Other versions
JPS5523770B2 (ja
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
Priority to JP4891972A priority Critical patent/JPS5523770B2/ja
Priority to CA171,637A priority patent/CA1004439A/en
Priority to US361003A priority patent/US3917716A/en
Priority to DE2325132A priority patent/DE2325132A1/de
Publication of JPS498494A publication Critical patent/JPS498494A/ja
Publication of JPS5523770B2 publication Critical patent/JPS5523770B2/ja
Expired 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
    • G11B5/70636—CrO2

Landscapes

  • Inorganic Compounds Of Heavy Metals (AREA)
  • Hard Magnetic Materials (AREA)
  • Magnetic Record Carriers (AREA)
JP4891972A 1972-05-17 1972-05-17 Expired JPS5523770B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP4891972A JPS5523770B2 (ja) 1972-05-17 1972-05-17
CA171,637A CA1004439A (en) 1972-05-17 1973-05-16 Method for raising the curie point of ferromagnetic chromium dioxide
US361003A US3917716A (en) 1972-05-17 1973-05-16 Method for raising the curie point of ferromagnetic chromium dioxide
DE2325132A DE2325132A1 (de) 1972-05-17 1973-05-17 Verfahren zur erhoehung des curiepunktes von ferromagnetischem chromdioxid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4891972A JPS5523770B2 (ja) 1972-05-17 1972-05-17

Publications (2)

Publication Number Publication Date
JPS498494A true JPS498494A (ja) 1974-01-25
JPS5523770B2 JPS5523770B2 (ja) 1980-06-25

Family

ID=12816643

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4891972A Expired JPS5523770B2 (ja) 1972-05-17 1972-05-17

Country Status (4)

Country Link
US (1) US3917716A (ja)
JP (1) JPS5523770B2 (ja)
CA (1) CA1004439A (ja)
DE (1) DE2325132A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1209139B (it) * 1979-11-16 1989-07-10 Montedison Spa Procedimento per stabilizzare il biossido di cromo ferromagnetico.
JPS57181858A (en) * 1981-05-02 1982-11-09 Yoshino Kogyosho Co Ltd Metallic ornament
DE3535465A1 (de) * 1985-10-04 1987-04-09 Basf Ag Verfahren zur verbesserung von ferromagnetischem chromdioxid

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3667913A (en) * 1967-08-15 1972-06-06 Bayer Ag Chromium-dioxide-catalyst
US3512930A (en) * 1969-05-07 1970-05-19 Du Pont Stabilized ferromagnetic chromium dioxide
DE2001383A1 (de) * 1970-01-14 1971-07-22 Bayer Ag Verfahren zur Herstellung von ferromagnetischem Chromdioxid

Also Published As

Publication number Publication date
JPS5523770B2 (ja) 1980-06-25
DE2325132A1 (de) 1973-11-29
CA1004439A (en) 1977-02-01
US3917716A (en) 1975-11-04

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