IT492518A - - Google Patents

Info

Publication number
IT492518A
IT492518A IT492518DA IT492518A IT 492518 A IT492518 A IT 492518A IT 492518D A IT492518D A IT 492518DA IT 492518 A IT492518 A IT 492518A
Authority
IT
Italy
Application number
Other languages
Italian (it)
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.)
Publication of IT492518A publication Critical patent/IT492518A/it

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
    • 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
    • C04B35/12—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 chromium oxide
    • 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
    • C04B35/42—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 chromites
    • 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
    • C04B35/44—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 aluminates
IT492518D 1951-10-30 IT492518A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US766252XA 1951-10-30 1951-10-30

Publications (1)

Publication Number Publication Date
IT492518A true IT492518A (fr)

Family

ID=32735279

Family Applications (1)

Application Number Title Priority Date Filing Date
IT492518D IT492518A (fr) 1951-10-30

Country Status (6)

Country Link
CH (1) CH308111A (fr)
DE (1) DE976406C (fr)
FR (1) FR1053464A (fr)
GB (1) GB697219A (fr)
IT (1) IT492518A (fr)
NL (1) NL100081C (fr)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA525699A (fr) * 1952-02-07 1956-05-29 Albers-Schoenberg Ernst Matieres ceramiques ferromagnetiques avec spires d'hysterese de forme rectangulaire
US2860105A (en) * 1953-12-21 1958-11-11 Philips Corp Method of manufacturing ferromagnetic cores
NL82276C (fr) * 1953-12-22
NL82277C (fr) * 1954-01-12
NL82278C (fr) * 1954-01-27
NL85826C (fr) * 1954-01-28 1957-08-15
US3023165A (en) * 1956-08-17 1962-02-27 Bell Telephone Labor Inc Magnesium ferrite containing aluminum and method of making same
US2981903A (en) * 1954-02-26 1961-04-25 Bell Telephone Labor Inc Gyromagnetic wave transmission devices
FR1110334A (fr) * 1954-07-13 1956-02-10 Perfectionnements aux matériaux ferromagnétiques du genre
FR1143063A (fr) * 1954-10-18 1957-09-26 Ibm Composition et procédé de fabrication d'éléments magnétiques
US2925389A (en) * 1954-12-20 1960-02-16 Philips Corp Ferromagnetic cores and method
FR1121088A (fr) * 1955-02-03 1956-07-20 Lignes Telegraph Telephon Matériaux ferromagnétiques à cycle d'hystérésis rectangulaire
NL112277C (fr) * 1955-07-01
US2950251A (en) * 1955-09-19 1960-08-23 Rca Corp Magnetic materials having rectangular hysteresis characteristics
US2992990A (en) * 1956-01-05 1961-07-18 Richard G Parker Soft magnetic material
US2980617A (en) * 1956-03-13 1961-04-18 Indiana General Corp Ferrite compositions and method of making same
US3068176A (en) * 1958-03-31 1962-12-11 Du Pont Ferromagnetic chromium oxides containing fluorine and their preparation
US2962345A (en) * 1957-11-29 1960-11-29 Du Pont Fluorine-containing ferromagnetic material
US2982732A (en) * 1957-12-30 1961-05-02 Ibm Ferrite composition containing titanium and nickel
US3072576A (en) * 1958-05-27 1963-01-08 Aladdin Ind Inc Ferrites having rectangular hysteresis loops and method for manufacture of same
DE1177538B (de) * 1958-06-12 1964-09-03 Itt Verfahren zur Herstellung von dielektrischem Material
US3059194A (en) * 1958-12-29 1962-10-16 Bell Telephone Labor Inc Microwave ferrite devices
US2927898A (en) * 1959-03-30 1960-03-08 Licentia Gmbh Permanent magnet material
US3093453A (en) * 1959-04-15 1963-06-11 Weizmann Inst Of Science Ferrite material containing fluorine
NL252343A (fr) * 1959-06-09
US3007875A (en) * 1959-06-23 1961-11-07 Steatite Res Corp Square loop ferrites
US3113109A (en) * 1959-10-07 1963-12-03 Du Pont Ferromagnetic material produced from ferric oxide and barium halide or strontium halide, and process for making same
US2981688A (en) * 1960-05-27 1961-04-25 Steatite Res Corp Ferrites for microwave applications
US3177145A (en) * 1963-02-04 1965-04-06 Ibm Manganese copper ferrite composition containing titanium and germanium and method ofpreparation
DE1646997B1 (de) * 1965-08-10 1972-06-29 Siemens Ag Verfahren zur herstellung eines ferromagnetichen schaltkerns aus ferrit mit rechteckfoermiger hystereseschleife
DE1671003B2 (de) * 1965-09-30 1972-03-30 Siemens AG, 1000 Berlin u. 8000 München Ferromagnetischer mangan magnesium zink feritkoerper mit rechteckfoermiger zystereseschleife fuer speicher und schalt elemente und verfahren zu dessen herstellung
DE1771987B1 (de) * 1968-08-12 1972-03-09 Siemens Ag Ferromagnetischer mangan magnesium zink ferrit mit recht eckfoermiger hystereseschleife fuer speicher und schalt elemente sowie verfahren zu seiner herstellung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2565111A (en) * 1949-05-26 1951-08-21 Steatite Res Corp Ceramic magnetic material with a small temperature coefficient

Also Published As

Publication number Publication date
CH308111A (de) 1955-06-30
DE976406C (de) 1963-08-29
NL100081C (fr) 1962-01-15
FR1053464A (fr) 1954-02-02
GB697219A (en) 1953-09-16

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