DE1087962B - Verfahren zur Herstellung eines ferromagnetischen Materials - Google Patents

Verfahren zur Herstellung eines ferromagnetischen Materials

Info

Publication number
DE1087962B
DE1087962B DEN15743A DEN0015743A DE1087962B DE 1087962 B DE1087962 B DE 1087962B DE N15743 A DEN15743 A DE N15743A DE N0015743 A DEN0015743 A DE N0015743A DE 1087962 B DE1087962 B DE 1087962B
Authority
DE
Germany
Prior art keywords
ferromagnetic
particles
compounds
sintered
metal oxides
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.)
Pending
Application number
DEN15743A
Other languages
German (de)
English (en)
Inventor
Hugo Gerrit Beljers
Evert Willem Gorter
Frederik Karel Lotgering
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
Publication of DE1087962B publication Critical patent/DE1087962B/de
Pending 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
    • C04B35/2633—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)
DEN15743A 1957-10-21 1958-10-18 Verfahren zur Herstellung eines ferromagnetischen Materials Pending DE1087962B (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE1087962B true DE1087962B (de) 1960-08-25

Family

ID=19751010

Family Applications (2)

Application Number Title Priority Date Filing Date
DEN15743A Pending DE1087962B (de) 1957-10-21 1958-10-18 Verfahren zur Herstellung eines ferromagnetischen Materials
DEN15744A Pending DE1095900B (de) 1957-10-21 1958-10-18 Mischkristall fuer ferromagnetische nichtreziproke Elemente in Mikrowellensystemen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DEN15744A Pending DE1095900B (de) 1957-10-21 1958-10-18 Mischkristall fuer ferromagnetische nichtreziproke Elemente in Mikrowellensystemen

Country Status (7)

Country Link
US (1) US3046227A (US20100056889A1-20100304-C00004.png)
BE (1) BE572208A (US20100056889A1-20100304-C00004.png)
CH (1) CH407352A (US20100056889A1-20100304-C00004.png)
DE (2) DE1087962B (US20100056889A1-20100304-C00004.png)
FR (1) FR1212959A (US20100056889A1-20100304-C00004.png)
GB (1) GB862135A (US20100056889A1-20100304-C00004.png)
NL (1) NL95813C (US20100056889A1-20100304-C00004.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19847272B4 (de) * 1998-10-07 2008-12-11 Siemens Ag Verfahren zum Herstellen von Sintermetallkernen

Families Citing this family (6)

* 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 (US20100056889A1-20100304-C00004.png) * 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
GB2144114B (en) * 1983-07-28 1986-08-06 Central Glass Co Ltd Preparing ferrite of magnetoplumbite structure
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
US2659698A (en) * 1949-01-03 1953-11-17 Aladdin Ind Inc Magnetic core and method for manufacturing same
US2656319A (en) * 1949-01-03 1953-10-20 Aladdin Ind Inc Magnetic core composition and method of producing the same
NL87162C (US20100056889A1-20100304-C00004.png) * 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 (US20100056889A1-20100304-C00004.png) * 1951-12-21
CA525699A (en) * 1952-02-07 1956-05-29 Albers-Schoenberg Ernst Ferromagnetic ceramic materials with hysteresis loops of rectangular shape
BE537450A (US20100056889A1-20100304-C00004.png) * 1954-04-20
FR1110334A (fr) * 1954-07-13 1956-02-10 Perfectionnements aux matériaux ferromagnétiques du genre

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19847272B4 (de) * 1998-10-07 2008-12-11 Siemens Ag Verfahren zum Herstellen von Sintermetallkernen

Also Published As

Publication number Publication date
BE572208A (US20100056889A1-20100304-C00004.png) 1959-04-20
CH407352A (de) 1966-02-15
FR1212959A (fr) 1960-03-28
GB862135A (en) 1961-03-01
DE1095900B (de) 1960-12-29
NL95813C (US20100056889A1-20100304-C00004.png) 1960-11-15
US3046227A (en) 1962-07-24

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