SE7613731L - Metod for behandling av kromdioxid - Google Patents

Metod for behandling av kromdioxid

Info

Publication number
SE7613731L
SE7613731L SE7613731A SE7613731A SE7613731L SE 7613731 L SE7613731 L SE 7613731L SE 7613731 A SE7613731 A SE 7613731A SE 7613731 A SE7613731 A SE 7613731A SE 7613731 L SE7613731 L SE 7613731L
Authority
SE
Sweden
Prior art keywords
chrome dioxide
treating chrome
treating
dioxide
chrome
Prior art date
Application number
SE7613731A
Other languages
English (en)
Inventor
R S Haines
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of SE7613731L publication Critical patent/SE7613731L/sv

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
    • 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)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Magnetic Record Carriers (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
SE7613731A 1975-12-08 1976-12-07 Metod for behandling av kromdioxid SE7613731L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63879575A 1975-12-08 1975-12-08

Publications (1)

Publication Number Publication Date
SE7613731L true SE7613731L (sv) 1977-06-09

Family

ID=24561469

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7613731A SE7613731L (sv) 1975-12-08 1976-12-07 Metod for behandling av kromdioxid

Country Status (7)

Country Link
US (1) US4126714A (sv)
JP (1) JPS5269893A (sv)
CA (1) CA1094779A (sv)
DE (1) DE2654570A1 (sv)
FR (1) FR2334626A1 (sv)
GB (1) GB1550852A (sv)
SE (1) SE7613731L (sv)

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.
GB8718010D0 (en) * 1986-08-21 1987-09-03 Ici Plc Surface treatment for recording media
EP1534634A2 (en) * 2002-08-29 2005-06-01 Tata Institute of Fundamental Research Chromium dioxide (cro sb 2 /sb ) and composites of chromium dioxide and other oxides of chromium such as cro sb 2 /sb /cr sb 2 /sb o sb 3 /sb and cro sb 2 /sb /cr sb 2 /sb o sb 5 /sb and process for manufacturing the same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3529930A (en) * 1968-02-13 1970-09-22 Du Pont Process for improving ferromagnetic properties of chromium dioxide by heating in an oxidizing environment
US3512930A (en) * 1969-05-07 1970-05-19 Du Pont Stabilized ferromagnetic chromium dioxide
JPS4843436B1 (sv) * 1970-10-20 1973-12-18
JPS4870700A (sv) * 1971-12-27 1973-09-25

Also Published As

Publication number Publication date
US4126714A (en) 1978-11-21
CA1094779A (en) 1981-02-03
JPS5269893A (en) 1977-06-10
GB1550852A (en) 1979-08-22
FR2334626A1 (fr) 1977-07-08
FR2334626B1 (sv) 1978-12-22
DE2654570A1 (de) 1977-06-16

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