CH407352A - Verfahren zur Herstellung eines ferromagnetischen Körpers und Verwendung desselben - Google Patents

Verfahren zur Herstellung eines ferromagnetischen Körpers und Verwendung desselben

Info

Publication number
CH407352A
CH407352A CH6517258A CH6517258A CH407352A CH 407352 A CH407352 A CH 407352A CH 6517258 A CH6517258 A CH 6517258A CH 6517258 A CH6517258 A CH 6517258A CH 407352 A CH407352 A CH 407352A
Authority
CH
Switzerland
Prior art keywords
sep
ferromagnetic
particles
crystals
oxides
Prior art date
Application number
CH6517258A
Other languages
German (de)
English (en)
Inventor
Willem Gorter Evert
Karel Lotgering Frederik
Gerrit Beljers Hugo
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 CH407352A publication Critical patent/CH407352A/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
    • C04B35/2608—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
    • C04B35/2608—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
    • C04B35/2683—Other ferrites containing alkaline earth metals or lead

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)
  • Soft Magnetic Materials (AREA)
  • Hard Magnetic Materials (AREA)
CH6517258A 1957-10-21 1958-10-18 Verfahren zur Herstellung eines ferromagnetischen Körpers und Verwendung desselben CH407352A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL221785 1957-10-21

Publications (1)

Publication Number Publication Date
CH407352A true CH407352A (de) 1966-02-15

Family

ID=19751010

Family Applications (1)

Application Number Title Priority Date Filing Date
CH6517258A CH407352A (de) 1957-10-21 1958-10-18 Verfahren zur Herstellung eines ferromagnetischen Körpers und Verwendung desselben

Country Status (7)

Country Link
US (1) US3046227A (et)
BE (1) BE572208A (et)
CH (1) CH407352A (et)
DE (2) DE1095900B (et)
FR (1) FR1212959A (et)
GB (1) GB862135A (et)
NL (1) NL95813C (et)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551260A (en) * 1983-07-28 1985-11-05 Central Glass Company Limited Wet process of preparing fine particles of ferrite of magnetoplumbite structure
DE19847272B4 (de) * 1998-10-07 2008-12-11 Siemens Ag Verfahren zum Herstellen von Sintermetallkernen

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1323644A (fr) * 1962-02-27 1963-04-12 Lignes Telegraph Telephon Matériaux ferromagnétiques et procédés pour leur fabrication
FR1472484A (et) * 1965-03-25 1967-05-24
DE1276534B (de) * 1965-05-10 1968-08-29 Philips Patentverwaltung Verfahren zur Herstellung eines ferromagnetischen Ferritmaterials mit hexagonaler Kristallstruktur
US4778734A (en) * 1987-02-03 1988-10-18 Ube Industries, Ltd. Barium ferrite magnetic powder and magnetic recording medium containing the same
DE3883336T2 (de) * 1987-09-30 1994-01-13 Toshiba Kawasaki Kk Magnetpulver zur magnetischen Registrierung hoher Informationsdichte sowie Magnetträger.

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2640813A (en) * 1948-06-26 1953-06-02 Aladdin Ind Inc Reaction product of a mixed ferrite and lead titanate
US2656319A (en) * 1949-01-03 1953-10-20 Aladdin Ind Inc Magnetic core composition and method of producing the same
US2659698A (en) * 1949-01-03 1953-11-17 Aladdin Ind Inc Magnetic core and method for manufacturing same
BE504686A (et) * 1950-09-19
US2736708A (en) * 1951-06-08 1956-02-28 Henry L Crowley & Company Inc Magnetic compositions
US2847101A (en) * 1951-11-10 1958-08-12 Basf Ag Overload releasing magnetic powder-clutch
BE516395A (et) * 1951-12-21
IT527607A (et) * 1952-02-07
BE537450A (et) * 1954-04-20
FR1110334A (fr) * 1954-07-13 1956-02-10 Perfectionnements aux matériaux ferromagnétiques du genre

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551260A (en) * 1983-07-28 1985-11-05 Central Glass Company Limited Wet process of preparing fine particles of ferrite of magnetoplumbite structure
DE19847272B4 (de) * 1998-10-07 2008-12-11 Siemens Ag Verfahren zum Herstellen von Sintermetallkernen

Also Published As

Publication number Publication date
NL95813C (et) 1960-11-15
GB862135A (en) 1961-03-01
BE572208A (et) 1959-04-20
DE1095900B (de) 1960-12-29
FR1212959A (fr) 1960-03-28
DE1087962B (de) 1960-08-25
US3046227A (en) 1962-07-24

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