IT945696B - Procedimento per rendere non piro fore le polveri di metalli ferroma gnetici per la produzione di na stri e dischi per registrazioni magnetiche - Google Patents

Procedimento per rendere non piro fore le polveri di metalli ferroma gnetici per la produzione di na stri e dischi per registrazioni magnetiche

Info

Publication number
IT945696B
IT945696B IT5506171A IT5506171A IT945696B IT 945696 B IT945696 B IT 945696B IT 5506171 A IT5506171 A IT 5506171A IT 5506171 A IT5506171 A IT 5506171A IT 945696 B IT945696 B IT 945696B
Authority
IT
Italy
Prior art keywords
ferroma
piro
gnetic
narrows
fore
Prior art date
Application number
IT5506171A
Other languages
English (en)
Italian (it)
Original Assignee
Stamicarbon
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 Stamicarbon filed Critical Stamicarbon
Application granted granted Critical
Publication of IT945696B publication Critical patent/IT945696B/it

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
    • G11B5/712—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 surface treatment or coating of magnetic particles
    • 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
    • G11B5/7013—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 dispersing agent
    • 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
    • G11B5/702—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 bonding agent
    • G11B5/7028—Additives, e.g. crosslinking agents
    • 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
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/06—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/061—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder with a protective layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Paints Or Removers (AREA)
IT5506171A 1970-12-29 1971-12-28 Procedimento per rendere non piro fore le polveri di metalli ferroma gnetici per la produzione di na stri e dischi per registrazioni magnetiche IT945696B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7018909A NL7018909A (fr) 1970-12-29 1970-12-29

Publications (1)

Publication Number Publication Date
IT945696B true IT945696B (it) 1973-05-10

Family

ID=19811906

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5506171A IT945696B (it) 1970-12-29 1971-12-28 Procedimento per rendere non piro fore le polveri di metalli ferroma gnetici per la produzione di na stri e dischi per registrazioni magnetiche

Country Status (6)

Country Link
BE (1) BE777463A (fr)
DE (1) DE2165017A1 (fr)
FR (1) FR2121069A5 (fr)
GB (1) GB1324486A (fr)
IT (1) IT945696B (fr)
NL (1) NL7018909A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1861215B1 (fr) 2005-03-11 2010-07-21 Höganäs Ab Composition de poudre metallique comprenant un liant huileux de sechage
EP4043123A1 (fr) 2021-02-12 2022-08-17 Höganäs AB (publ) Composition de poudre métallique comprenant un liant

Also Published As

Publication number Publication date
DE2165017A1 (de) 1972-07-06
NL7018909A (fr) 1972-07-03
FR2121069A5 (fr) 1972-08-18
GB1324486A (en) 1973-07-25
BE777463A (fr) 1972-06-29

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