CH377268A - Verfahren zur Herstellung eines ferromagnetischen Materials - Google Patents

Verfahren zur Herstellung eines ferromagnetischen Materials

Info

Publication number
CH377268A
CH377268A CH3628756A CH3628756A CH377268A CH 377268 A CH377268 A CH 377268A CH 3628756 A CH3628756 A CH 3628756A CH 3628756 A CH3628756 A CH 3628756A CH 377268 A CH377268 A CH 377268A
Authority
CH
Switzerland
Prior art keywords
sep
mixture
heated
crystals
ferromagnetic
Prior art date
Application number
CH3628756A
Other languages
German (de)
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 CH377268A publication Critical patent/CH377268A/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
    • C04B35/2683—Other ferrites containing 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Magnetic Ceramics (AREA)
  • Soft Magnetic Materials (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
CH3628756A 1955-08-10 1956-08-08 Verfahren zur Herstellung eines ferromagnetischen Materials CH377268A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL199610 1955-08-10

Publications (1)

Publication Number Publication Date
CH377268A true CH377268A (de) 1964-04-30

Family

ID=19750722

Family Applications (1)

Application Number Title Priority Date Filing Date
CH3628756A CH377268A (de) 1955-08-10 1956-08-08 Verfahren zur Herstellung eines ferromagnetischen Materials

Country Status (6)

Country Link
US (1) US2946753A (fr)
CH (1) CH377268A (fr)
ES (1) ES230262A1 (fr)
FR (1) FR1169565A (fr)
GB (1) GB842005A (fr)
NL (1) NL88300C (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL108776C (fr) * 1957-04-18 1964-07-15
NL99528C (fr) * 1957-06-22 1961-11-15
US3123807A (en) * 1957-06-24 1964-03-03 Uiilljo
US3093453A (en) * 1959-04-15 1963-06-11 Weizmann Inst Of Science Ferrite material containing fluorine
US3191132A (en) * 1961-12-04 1965-06-22 Mayer Ferdy Electric cable utilizing lossy material to absorb high frequency waves
US3319191A (en) * 1965-07-08 1967-05-09 Jr Samuel Dixon Microwave power limiter utilizing a planar ferrite sphere
US4243697A (en) * 1979-03-14 1981-01-06 The United States Of America As Represented By The Secretary Of The Air Force Self biased ferrite resonators
US20040119552A1 (en) * 2002-12-20 2004-06-24 Com Dev Ltd. Electromagnetic termination with a ferrite absorber

Family Cites Families (9)

* 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
NL87162C (fr) * 1950-09-19
US2736708A (en) * 1951-06-08 1956-02-28 Henry L Crowley & Company Inc Magnetic compositions
NL93755C (fr) * 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

Also Published As

Publication number Publication date
GB842005A (en) 1960-07-20
FR1169565A (fr) 1958-12-31
NL88300C (fr) 1958-05-16
ES230262A1 (es) 1957-03-01
US2946753A (en) 1960-07-26

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