AR242682A1 - Procedimiento de fabricacion de un polvo magnetico de hexaferrito de estroncio. - Google Patents

Procedimiento de fabricacion de un polvo magnetico de hexaferrito de estroncio.

Info

Publication number
AR242682A1
AR242682A1 AR89314280A AR31428089A AR242682A1 AR 242682 A1 AR242682 A1 AR 242682A1 AR 89314280 A AR89314280 A AR 89314280A AR 31428089 A AR31428089 A AR 31428089A AR 242682 A1 AR242682 A1 AR 242682A1
Authority
AR
Argentina
Prior art keywords
strontiumhexaferrite
powder
magnetic
manufacturing process
manufacturing
Prior art date
Application number
AR89314280A
Other languages
English (en)
Original Assignee
Cie Generale D Automatisme Cga
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 Cie Generale D Automatisme Cga filed Critical Cie Generale D Automatisme Cga
Application granted granted Critical
Publication of AR242682A1 publication Critical patent/AR242682A1/es

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
    • H01F1/032—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
    • H01F1/10—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • 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
    • G11B5/70642—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 iron oxides
    • G11B5/70678—Ferrites
    • 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
    • H01F1/10—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
AR89314280A 1988-07-22 1989-06-28 Procedimiento de fabricacion de un polvo magnetico de hexaferrito de estroncio. AR242682A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8809968A FR2634582B1 (fr) 1988-07-22 1988-07-22 Procede de fabrication d'une poudre magnetique d'hexaferrite de strontium

Publications (1)

Publication Number Publication Date
AR242682A1 true AR242682A1 (es) 1993-04-30

Family

ID=9368704

Family Applications (1)

Application Number Title Priority Date Filing Date
AR89314280A AR242682A1 (es) 1988-07-22 1989-06-28 Procedimiento de fabricacion de un polvo magnetico de hexaferrito de estroncio.

Country Status (8)

Country Link
EP (1) EP0351775B1 (es)
JP (1) JPH0274008A (es)
KR (1) KR970011186B1 (es)
AR (1) AR242682A1 (es)
AT (1) ATE86782T1 (es)
DE (1) DE68905251T2 (es)
ES (1) ES2045285T3 (es)
FR (1) FR2634582B1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007026503B4 (de) 2007-06-05 2009-08-27 Bourns, Inc., Riverside Verfahren zur Herstellung einer Magnetschicht auf einem Substrat und druckbarer magnetisierbarer Lack
RU2614171C1 (ru) * 2015-12-29 2017-03-23 Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС" Способ измельчения смеси карбоната стронция и оксида железа в производстве гексаферритов стронция

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3810973A (en) * 1973-01-12 1974-05-14 Gen Electric Method of preparing ferrites
DE3417793A1 (de) * 1984-05-14 1985-11-14 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung feinteiliger, nadelfoermiger und hochkoerzitiver hexagonaler ferrite sowie ihre verwendung zur herstellung magnetischer aufzeichnungstraeger und plastoferrite

Also Published As

Publication number Publication date
EP0351775B1 (fr) 1993-03-10
FR2634582A1 (fr) 1990-01-26
ES2045285T3 (es) 1994-01-16
KR900002357A (ko) 1990-02-28
DE68905251T2 (de) 1993-06-17
FR2634582B1 (fr) 1990-09-07
DE68905251D1 (de) 1993-04-15
JPH0274008A (ja) 1990-03-14
ATE86782T1 (de) 1993-03-15
EP0351775A1 (fr) 1990-01-24
KR970011186B1 (ko) 1997-07-08

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