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 languages
Japanese (ja)
Other versions
JPS5523770B2 (en:Method
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 US361003A priority patent/US3917716A/en
Priority to CA171,637A priority patent/CA1004439A/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

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

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP4891972A JPS5523770B2 (en:Method) 1972-05-17 1972-05-17
US361003A US3917716A (en) 1972-05-17 1973-05-16 Method for raising the curie point of ferromagnetic chromium dioxide
CA171,637A CA1004439A (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 (en:Method) 1972-05-17 1972-05-17

Publications (2)

Publication Number Publication Date
JPS498494A true JPS498494A (en:Method) 1974-01-25
JPS5523770B2 JPS5523770B2 (en:Method) 1980-06-25

Family

ID=12816643

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4891972A Expired JPS5523770B2 (en:Method) 1972-05-17 1972-05-17

Country Status (4)

Country Link
US (1) US3917716A (en:Method)
JP (1) JPS5523770B2 (en:Method)
CA (1) CA1004439A (en:Method)
DE (1) DE2325132A1 (en:Method)

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
CA1004439A (en) 1977-02-01
DE2325132A1 (de) 1973-11-29
US3917716A (en) 1975-11-04
JPS5523770B2 (en:Method) 1980-06-25

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