FR1212959A - Matériau ferromagnétique utilisable en particulier dans des appareils à ondes micrométriques - Google Patents

Matériau ferromagnétique utilisable en particulier dans des appareils à ondes micrométriques

Info

Publication number
FR1212959A
FR1212959A FR1212959DA FR1212959A FR 1212959 A FR1212959 A FR 1212959A FR 1212959D A FR1212959D A FR 1212959DA FR 1212959 A FR1212959 A FR 1212959A
Authority
FR
France
Prior art keywords
micrometric
ferromagnetic material
wave devices
material usable
usable
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 FR1212959A publication Critical patent/FR1212959A/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
    • C04B35/2633—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)
  • Hard Magnetic Materials (AREA)
  • Soft Magnetic Materials (AREA)
FR1212959D 1957-10-21 1958-10-20 Matériau ferromagnétique utilisable en particulier dans des appareils à ondes micrométriques Expired FR1212959A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR1212959A true FR1212959A (fr) 1960-03-28

Family

ID=19751010

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1212959D Expired FR1212959A (fr) 1957-10-21 1958-10-20 Matériau ferromagnétique utilisable en particulier dans des appareils à ondes micrométriques

Country Status (7)

Country Link
US (1) US3046227A (ko)
BE (1) BE572208A (ko)
CH (1) CH407352A (ko)
DE (2) DE1087962B (ko)
FR (1) FR1212959A (ko)
GB (1) GB862135A (ko)
NL (1) NL95813C (ko)

Families Citing this family (7)

* 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 (ko) * 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.
DE19847272B4 (de) * 1998-10-07 2008-12-11 Siemens Ag Verfahren zum Herstellen von Sintermetallkernen

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
NL87161C (ko) * 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 (ko) * 1951-12-21
IT527607A (ko) * 1952-02-07
BE537450A (ko) * 1954-04-20
FR1110334A (fr) * 1954-07-13 1956-02-10 Perfectionnements aux matériaux ferromagnétiques du genre

Also Published As

Publication number Publication date
BE572208A (ko) 1959-04-20
CH407352A (de) 1966-02-15
DE1087962B (de) 1960-08-25
US3046227A (en) 1962-07-24
GB862135A (en) 1961-03-01
NL95813C (ko) 1960-11-15
DE1095900B (de) 1960-12-29

Similar Documents

Publication Publication Date Title
FR1212959A (fr) Matériau ferromagnétique utilisable en particulier dans des appareils à ondes micrométriques
FR1183959A (fr) Matériau de frottement
FR1187715A (fr) Matériau ferromagnétique
FR1209100A (fr) Dispositifs à décharge électronique
FR1214363A (fr) Dispositifs à amplificateur magnétique
FR1140961A (fr) Surface de criblage à dimensions de passage réglables
FR1187159A (fr) élément non linéaire à semi-conducteur
CH379033A (fr) Adhésifs à base de polymères
FR1161291A (fr) élément logique utilisable notamment dans les appareils calculateurs
FR1178878A (fr) Dispositifs de refroidissement statiques à grande surface de rayonnement
FR1179792A (fr) Matériau pour bandage
FR1208249A (fr) Amplificateur à onde progressive
FR1205465A (fr) Thermoéléments et appareils dans lesquels ils sont montés
FR1228812A (fr) Appareil de manutention de matériaux
FR1121637A (fr) Circuits magnétiques en tôles à cristaux orientés
FR1215396A (fr) Matériau magnétique
FR1207519A (fr) Appareils et procédés électrocinétiques
FR1179087A (fr) Matériau de frottement
FR72398E (fr) Matériau de frottement
FR1175015A (fr) Matériau stratifié
FR1293010A (fr) Matériau à base de paille
FR1176034A (fr) Enseigne à trois faces
FR1179051A (fr) Matériau perfectionné en nappe
FR1172615A (fr) Appareil à marquer les surfaces
CH387821A (fr) Matériau ferromagnétique céramique