FR1204540A - Matière ferromagnétique - Google Patents

Matière ferromagnétique

Info

Publication number
FR1204540A
FR1204540A FR1204540DA FR1204540A FR 1204540 A FR1204540 A FR 1204540A FR 1204540D A FR1204540D A FR 1204540DA FR 1204540 A FR1204540 A FR 1204540A
Authority
FR
France
Prior art keywords
ferromagnetic material
ferromagnetic
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1204540A publication Critical patent/FR1204540A/fr
Expired legal-status Critical Current

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
    • C04B35/2608—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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Magnetic Ceramics (AREA)
  • Compounds Of Iron (AREA)
  • Soft Magnetic Materials (AREA)
FR1204540D 1957-04-18 1958-04-16 Matière ferromagnétique Expired FR1204540A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL216536 1957-04-18

Publications (1)

Publication Number Publication Date
FR1204540A true FR1204540A (fr) 1960-01-26

Family

ID=19750876

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1204540D Expired FR1204540A (fr) 1957-04-18 1958-04-16 Matière ferromagnétique

Country Status (7)

Country Link
US (1) US3043776A (xx)
BE (1) BE566891A (xx)
CH (1) CH398823A (xx)
DE (1) DE1185104B (xx)
FR (1) FR1204540A (xx)
GB (1) GB880865A (xx)
NL (1) NL108776C (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3114714A (en) * 1960-06-23 1963-12-17 Philips Corp Ferromagnetic material
JPS54150360A (en) * 1978-05-19 1979-11-26 Tdk Corp Manufacture of magnetic powder

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE756383C (de) * 1938-09-17 1952-10-20 Neosid Hansgeorg Pemetzrieder Verlustarme ferromagnetische Stoffe aus Metalloxyden fuer Hochfrequenzzwecke
US2640813A (en) * 1948-06-26 1953-06-02 Aladdin Ind Inc Reaction product of a mixed ferrite and lead titanate
US2659698A (en) * 1949-01-03 1953-11-17 Aladdin Ind Inc Magnetic core and method for manufacturing same
US2736708A (en) * 1951-06-08 1956-02-28 Henry L Crowley & Company Inc Magnetic compositions
FR1071068A (fr) * 1951-08-29 1954-08-24 Anorgana U S Administration Procédé d'amélioration des propriétés magnétiques du gamma fe2o3
US2847101A (en) * 1951-11-10 1958-08-12 Basf Ag Overload releasing magnetic powder-clutch
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
FR1110819A (fr) * 1953-07-20 1956-02-17 Matière magnétique de nature céramique
FR1100865A (fr) * 1954-03-05 1955-09-26 Matériaux magnétiques à base d'oxydes pour la réalisation de bandes d'enregistrement magnétique
DE1004265B (de) * 1954-04-21 1957-03-14 N S F Nuernberger Schraubenfab Nichtmetallische, im Sinterverfahren hergestellte Masse
US2715109A (en) * 1954-06-14 1955-08-09 Steatite Res Corp Ferromagnetic ceramic materials with hysteresis loops of rectangular shape
FR1110334A (fr) * 1954-07-13 1956-02-10 Perfectionnements aux matériaux ferromagnétiques du genre
DE1010441B (de) * 1955-03-11 1957-06-13 Steatit Magnesia Ag Verfahren zur Verbesserung der magnetischen Eigenschaften von Ferriten mit rechteckfoermiger Hystereseschleife
LU34570A1 (xx) * 1955-08-10
NL88282C (xx) * 1955-08-10 1958-05-16
GB842005A (en) * 1955-08-10 1960-07-20 Philips Electrical Ind Ltd Improvements in or relating to ferromagnetic materials

Also Published As

Publication number Publication date
BE566891A (xx) 1958-10-17
US3043776A (en) 1962-07-10
GB880865A (en) 1961-10-25
NL108776C (xx) 1964-07-15
CH398823A (de) 1966-03-15
DE1185104B (de) 1965-01-07

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