SE310171B - - Google Patents

Info

Publication number
SE310171B
SE310171B SE8962/64A SE896264A SE310171B SE 310171 B SE310171 B SE 310171B SE 8962/64 A SE8962/64 A SE 8962/64A SE 896264 A SE896264 A SE 896264A SE 310171 B SE310171 B SE 310171B
Authority
SE
Sweden
Application number
SE8962/64A
Inventor
F Hund
W Abeck
Original Assignee
Bayer 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 Bayer Ag filed Critical Bayer Ag
Publication of SE310171B publication Critical patent/SE310171B/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/0302—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
    • H01F1/0311—Compounds
    • 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
    • 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
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C01P2002/52—Solid solutions containing elements as dopants
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • 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)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Paints Or Removers (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Compounds Of Iron (AREA)
SE8962/64A 1963-07-24 1964-07-23 SE310171B (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0040333 1963-07-24

Publications (1)

Publication Number Publication Date
SE310171B true SE310171B (cs) 1969-04-21

Family

ID=7098186

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8962/64A SE310171B (cs) 1963-07-24 1964-07-23

Country Status (7)

Country Link
US (1) US3371043A (cs)
BE (1) BE650936A (cs)
CH (1) CH468306A (cs)
DE (2) DE1467238A1 (cs)
GB (1) GB1073483A (cs)
NL (1) NL6408515A (cs)
SE (1) SE310171B (cs)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3546005A (en) * 1966-06-20 1970-12-08 Gen Electric Oriented cro2 films and method of producing same
US3904538A (en) * 1969-02-12 1975-09-09 Fuji Photo Film Co Ltd Method of producing ferromagnetic chromium dioxides
US3512930A (en) * 1969-05-07 1970-05-19 Du Pont Stabilized ferromagnetic chromium dioxide
US3647540A (en) * 1970-05-25 1972-03-07 Ibm Magnetic compositions of praseodymium modified chromium oxide, methods of manufacture, and magnetic recording media containing same
JPS4843437B1 (cs) * 1970-12-16 1973-12-18
DE2162914C2 (de) * 1970-12-18 1984-07-19 Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa Autoklav für die Herstellung von ferromagnetischem Chromdioxid und modifiziertem Chromoxid
JPS4868498A (cs) * 1971-12-20 1973-09-18
IT956230B (it) * 1972-04-22 1973-10-10 Montedison Spa Composizione di biossido di cromo ferromagnetico modificato e p oces so di preparazione
JPS4918796A (cs) * 1972-06-05 1974-02-19
JPS4962999A (cs) * 1972-10-23 1974-06-18
US3956152A (en) * 1972-10-23 1976-05-11 Hitachi, Ltd. Magnetic recording media
JPS50150695A (cs) * 1974-05-27 1975-12-03
IT1045191B (it) * 1975-10-31 1980-05-10 Montedison Spa Procedimento per la produzione di biossido di cromo ferromagnetico
US4477318A (en) * 1980-11-10 1984-10-16 Omi International Corporation Trivalent chromium electrolyte and process employing metal ion reducing agents
US4439285A (en) * 1980-11-10 1984-03-27 Omi International Corporation Trivalent chromium electrolyte and process employing neodymium reducing agent
CN113921261B (zh) * 2021-08-12 2023-10-20 中国计量大学 一种高性能高电阻率复合磁体的制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2923683A (en) * 1957-06-19 1960-02-02 Du Pont Antimony-modified chromium oxide ferromagnetic compositions, their preparation and use
US3034988A (en) * 1958-08-22 1962-05-15 Du Pont Modified chromium oxide ferromagnetic compositions, their preparation and use
US3068176A (en) * 1958-03-31 1962-12-11 Du Pont Ferromagnetic chromium oxides containing fluorine and their preparation
US3078147A (en) * 1959-06-05 1963-02-19 Du Pont Ferromagnetic chromium oxide and preparation
US3243260A (en) * 1961-06-12 1966-03-29 Matsushita Electric Ind Co Ltd Method for preparing cro2 of rutile type crystalline structure
US3278263A (en) * 1964-11-27 1966-10-11 Du Pont Ferromagnetic chromium dioxide and preparation thereof

Also Published As

Publication number Publication date
DE1467238A1 (cs) 1969-01-23
NL6408515A (cs) 1965-01-25
GB1073483A (en) 1967-06-28
US3371043A (en) 1968-02-27
DE1467328B2 (de) 1971-06-16
BE650936A (cs) 1965-01-25
DE1467328A1 (de) 1969-01-23
CH468306A (de) 1969-02-15

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