CH378761A - Verfahren zur Herstellung eines ferromagnetischen Materials - Google Patents

Verfahren zur Herstellung eines ferromagnetischen Materials

Info

Publication number
CH378761A
CH378761A CH3628556A CH3628556A CH378761A CH 378761 A CH378761 A CH 378761A CH 3628556 A CH3628556 A CH 3628556A CH 3628556 A CH3628556 A CH 3628556A CH 378761 A CH378761 A CH 378761A
Authority
CH
Switzerland
Prior art keywords
production
ferromagnetic material
ferromagnetic
Prior art date
Application number
CH3628556A
Other languages
English (en)
Inventor
Heinrich Jonker Gerard
Johannes Wijn Henricus Petrus
Bernard Braun Paul
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH378761A publication Critical patent/CH378761A/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2641—Compositions containing one or more ferrites of the group comprising rare earth metals and one or more ferrites of the group comprising alkali metals, alkaline earth metals or lead
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
    • C04B35/2616—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing lithium
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
    • C04B35/2625—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing magnesium
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
    • C04B35/2633—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing barium, strontium or calcium
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2683—Other ferrites containing alkaline earth metals or lead

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compounds Of Iron (AREA)
  • Magnetic Ceramics (AREA)
  • Soft Magnetic Materials (AREA)
  • Hard Magnetic Materials (AREA)
CH3628556A 1955-08-10 1956-08-08 Verfahren zur Herstellung eines ferromagnetischen Materials CH378761A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL199608 1955-08-10

Publications (1)

Publication Number Publication Date
CH378761A true CH378761A (de) 1964-06-15

Family

ID=19750720

Family Applications (1)

Application Number Title Priority Date Filing Date
CH3628556A CH378761A (de) 1955-08-10 1956-08-08 Verfahren zur Herstellung eines ferromagnetischen Materials

Country Status (9)

Country Link
US (1) US2955085A (de)
BE (1) BE550223A (de)
CH (1) CH378761A (de)
DE (1) DE1158433B (de)
ES (1) ES230279A1 (de)
FR (1) FR1169564A (de)
GB (1) GB823971A (de)
LU (1) LU34570A1 (de)
NL (1) NL88281C (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL108776C (de) * 1957-04-18 1964-07-15
NL99528C (de) * 1957-06-22 1961-11-15
US3042617A (en) * 1958-12-31 1962-07-03 Rca Corp Magnetic bodies and methods of preparation thereof
US3049404A (en) * 1960-02-03 1962-08-14 Jr William L Wade Method of making ferromagnetic barium ferrites
US3150925A (en) * 1961-04-20 1964-09-29 Richard J Gambino Method of growing single crystals
DE1696392B1 (de) * 1963-05-30 1969-10-02 Westinghouse Electric Corp Dauermagnetwerkstoff mit Magnetoplumbitstruktur sowie Verfahren zu dessen Herstellung
US3638207A (en) * 1969-11-17 1972-01-25 Bell Telephone Labor Inc Magnetic devices
NL8002990A (nl) * 1980-05-23 1981-12-16 Philips Nv Werkwijze voor het vervaardigen van een anisotrope permanente magneet op oxydebasis.
FR2568246A1 (fr) * 1984-07-25 1986-01-31 Aimants Ugimag Sa Materiau magnetique anisotrope a base d'oxydes pour aimants permanents
CN102050619B (zh) * 2010-08-02 2013-01-02 横店集团东磁股份有限公司 一种永磁铁氧体材料的制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2659698A (en) * 1949-01-03 1953-11-17 Aladdin Ind Inc Magnetic core and method for manufacturing same
LU30876A1 (de) * 1950-09-19
US2736708A (en) * 1951-06-08 1956-02-28 Henry L Crowley & Company Inc Magnetic compositions
BE516395A (de) * 1951-12-21
US2723239A (en) * 1952-09-29 1955-11-08 Rca Corp Ferrospinel compositions
US2778803A (en) * 1953-02-06 1957-01-22 Aerovox Corp Magnetically hard materials
DE927259C (de) * 1953-04-26 1955-05-02 Eisen & Stahlind Ag Oxydischer ferromagnetischer Werkstoff
FR1100865A (fr) * 1954-03-05 1955-09-26 Matériaux magnétiques à base d'oxydes pour la réalisation de bandes d'enregistrement magnétique
FR1114010A (fr) * 1954-11-09 1956-04-06 Audax Aimants permanents en oxydes mixtes frittés
DE1148479B (de) * 1955-08-10 1963-05-09 Philips Nv Ferromagnetisches Material, insbesondere fuer bei Frequenzen von mindestens 50MHz anzuwendende ferromagnetische Koerper, Verfahren zur Herstellung dieses Materials und aus diesem Material bestehende ferromagnetische Koerper

Also Published As

Publication number Publication date
US2955085A (en) 1960-10-04
LU34570A1 (de)
BE550223A (de) 1957-02-09
GB823971A (en) 1959-11-18
NL88281C (de)
FR1169564A (fr) 1958-12-31
ES230279A1 (es) 1957-03-01
DE1158433B (de) 1963-11-28

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