GB797566A - Improvements in or relating to electrical devices incorporating elements of ferromagnetic ceramic materials - Google Patents

Improvements in or relating to electrical devices incorporating elements of ferromagnetic ceramic materials

Info

Publication number
GB797566A
GB797566A GB10898/56A GB1089856A GB797566A GB 797566 A GB797566 A GB 797566A GB 10898/56 A GB10898/56 A GB 10898/56A GB 1089856 A GB1089856 A GB 1089856A GB 797566 A GB797566 A GB 797566A
Authority
GB
United Kingdom
Prior art keywords
oxygen
hours
vehicle
ferrites
dried
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
GB10898/56A
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB797566A publication Critical patent/GB797566A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26Shaped 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
    • C04B35/2608Compositions 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
    • C04B35/2625Compositions 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/32Non-reciprocal transmission devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Magnetic Ceramics (AREA)
  • Soft Magnetic Materials (AREA)
GB10898/56A 1955-04-11 1956-04-10 Improvements in or relating to electrical devices incorporating elements of ferromagnetic ceramic materials Expired GB797566A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US500451A US2994045A (en) 1955-04-11 1955-04-11 Electrical transmission devices utilizing gyromagnetic ferrites

Publications (1)

Publication Number Publication Date
GB797566A true GB797566A (en) 1958-07-02

Family

ID=23989471

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10898/56A Expired GB797566A (en) 1955-04-11 1956-04-10 Improvements in or relating to electrical devices incorporating elements of ferromagnetic ceramic materials

Country Status (4)

Country Link
US (1) US2994045A (enrdf_load_stackoverflow)
BE (1) BE546412A (enrdf_load_stackoverflow)
FR (1) FR1148111A (enrdf_load_stackoverflow)
GB (1) GB797566A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3059194A (en) * 1958-12-29 1962-10-16 Bell Telephone Labor Inc Microwave ferrite devices
BE620181A (enrdf_load_stackoverflow) * 1961-07-28
DE1696446B1 (de) * 1964-01-20 1969-10-23 Siemens Ag Ferromagnetischer Ferritkoerper mit einem bei hoher Erregung negativen Temperaturkoeffizienten der Wechselfeldverluste
US3403357A (en) * 1966-04-14 1968-09-24 Hughes Aircraft Co Switching apparatus for selectively coupling a predetermined number of microwave devices between an input and an output port

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1976230A (en) * 1930-12-25 1934-10-09 Mitsubishi Electric Corp Permanent magnet and method of manufacturing same
US2576456A (en) * 1946-12-31 1951-11-27 Rca Corp Materials of high magnetic permeability
US2644930A (en) * 1949-03-24 1953-07-07 Gen Precision Lab Inc Microwave polarization rotating device and coupling network
BE503124A (enrdf_load_stackoverflow) * 1950-05-10
DE958996C (de) * 1950-05-27 1957-02-28 Steatite Res Corp Verfahren zur Herstellung ferromagnetischer, gegebenenfalls geformter Massen
GB717269A (en) * 1951-04-09 1954-10-27 Azfa Ag Fuer Photofabrikation Magnetizable metal oxides
US2736708A (en) * 1951-06-08 1956-02-28 Henry L Crowley & Company Inc Magnetic compositions
US2719274A (en) * 1951-07-09 1955-09-27 Gen Precision Lab Inc Microwave switches
GB721630A (en) * 1951-08-29 1955-01-12 Anorgana Gmbh Method for the production of ª†-fe o of improved magnetic properties
FR1080515A (fr) * 1951-12-22 1954-12-09 Philips Nv Aimant permanent anisotrope
US2723239A (en) * 1952-09-29 1955-11-08 Rca Corp Ferrospinel compositions
FR1086346A (fr) * 1953-07-09 1955-02-11 Perfectionnements aux aimants permanents
US2860105A (en) * 1953-12-21 1958-11-11 Philips Corp Method of manufacturing ferromagnetic cores

Also Published As

Publication number Publication date
US2994045A (en) 1961-07-25
FR1148111A (fr) 1957-12-04
BE546412A (enrdf_load_stackoverflow)

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