GB842005A - Improvements in or relating to ferromagnetic materials - Google Patents

Improvements in or relating to ferromagnetic materials

Info

Publication number
GB842005A
GB842005A GB24173/56A GB2417356A GB842005A GB 842005 A GB842005 A GB 842005A GB 24173/56 A GB24173/56 A GB 24173/56A GB 2417356 A GB2417356 A GB 2417356A GB 842005 A GB842005 A GB 842005A
Authority
GB
United Kingdom
Prior art keywords
starting material
oxides
sintering
aug
oxygen
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
GB24173/56A
Other languages
English (en)
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB842005A publication Critical patent/GB842005A/en
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
    • C04B35/2683—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)
  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
  • Soft Magnetic Materials (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
GB24173/56A 1955-08-10 1956-08-07 Improvements in or relating to ferromagnetic materials Expired GB842005A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB842005A true GB842005A (en) 1960-07-20

Family

ID=19750722

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24173/56A Expired GB842005A (en) 1955-08-10 1956-08-07 Improvements in or relating to ferromagnetic 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
BE558662A (fr) * 1957-06-24
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
BE504686A (fr) * 1950-09-19
US2736708A (en) * 1951-06-08 1956-02-28 Henry L Crowley & Company Inc Magnetic compositions
BE516395A (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
ES230262A1 (es) 1957-03-01
CH377268A (de) 1964-04-30
FR1169565A (fr) 1958-12-31
NL88300C (fr) 1958-05-16
US2946753A (en) 1960-07-26

Similar Documents

Publication Publication Date Title
US2762777A (en) Permanent magnet and method of making the same
US2551711A (en) Manganese zinc ferrite core
US2452530A (en) Magnetic core
US3565806A (en) Manganese zinc ferrite core with high initial permeability
GB842005A (en) Improvements in or relating to ferromagnetic materials
US2744873A (en) Mixed nickel, zinc, vanadium ferrite
GB823971A (en) Improvements in or relating to ferromagnetic ferrite materials
GB751623A (en) Improvements in or relating to ferromagnetic ceramic bodies
GB839860A (en) Improvements in or relating to ferromagnetic ferrite materials
GB833053A (en) Improvements in or relating to ferro-magnetic ferrite materials
US2961407A (en) Mixed ferrite composition
AT167377B (de) Magnetischer Kern und Verfahren zur Herstellung eines magnetischen Materials
GB759245A (en) Improvements in or relating to methods of manufacturing non-metallic magnetic cores having a substantially rectangular hysteresis loop
GB862821A (en) Improvements in or relating to methods of manufacturing bodies of ferromagnetic materials
GB1205539A (en) Microwave ferrites
GB833007A (en) Improvements in or relating to ferromagnetic materials, more particularly for ferromagnetic bodies for use at frequencies of at least 50 mc/s, methods of manufacturing such materials and ferromagnetic bodies consisting of such materials
GB759248A (en) Improvements in or relating to methods of manufacturing non-metallic magnetic cores having a substantially rectangular hysteresis loop
GB1060598A (en) Ferromagnetic cores and processes for the preparation thereof
US3065181A (en) Inductor materials
US2714580A (en) Magnetic materials and methods of making the same
GB740894A (en) Improvements in or relating to ferromagnetic material or ferromagnetic bodies and methods of manufacturing such material
GB764118A (en) Improvements in or relating to methods of manufacturing non-metallic magnetic cores having a substantially rectangular hysteresis loop
GB974853A (en) Improvements in or relating to polycrystalline ferrite bodies
GB789099A (en) Improvements in or relating to a method of producing magnetic cores
US2992990A (en) Soft magnetic material