GB634504A - Improvements in or relating to magnetic cores for use at high frequencies - Google Patents

Improvements in or relating to magnetic cores for use at high frequencies

Info

Publication number
GB634504A
GB634504A GB8015/47A GB801547A GB634504A GB 634504 A GB634504 A GB 634504A GB 8015/47 A GB8015/47 A GB 8015/47A GB 801547 A GB801547 A GB 801547A GB 634504 A GB634504 A GB 634504A
Authority
GB
United Kingdom
Prior art keywords
oxygen
mixture
hour
ferrite
heated
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
GB8015/47A
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.)
PHILLIPS LAMPS Ltd
Original Assignee
PHILLIPS LAMPS 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 PHILLIPS LAMPS Ltd filed Critical PHILLIPS LAMPS Ltd
Publication of GB634504A publication Critical patent/GB634504A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/04—Fixed inductances of the signal type with magnetic core
    • 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
    • C04B35/265—Compositions containing one or more ferrites of the group comprising manganese or zinc and one or more ferrites of the group comprising nickel, copper or cobalt

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
GB8015/47A 1946-03-27 1947-03-24 Improvements in or relating to magnetic cores for use at high frequencies Expired GB634504A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL269325X 1946-03-27

Publications (1)

Publication Number Publication Date
GB634504A true GB634504A (en) 1950-03-22

Family

ID=19781855

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8015/47A Expired GB634504A (en) 1946-03-27 1947-03-24 Improvements in or relating to magnetic cores for use at high frequencies

Country Status (4)

Country Link
BE (1) BE472170A (enrdf_load_stackoverflow)
CH (1) CH269325A (enrdf_load_stackoverflow)
FR (1) FR943955A (enrdf_load_stackoverflow)
GB (1) GB634504A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1019279B (de) * 1957-05-27 1957-11-14 Drummond Patents Ltd Vorrichtung zum Nassreinigen und Waschen von Luft oder Gasen

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1035737B (de) * 1953-12-07 1958-08-07 Licentia Gmbh Halbleiterkoerper mit grossem negativem Temperaturkoeffizienten
DE1088627B (de) * 1955-07-16 1960-09-08 Siemens Ag Verfahren zur Herstellung eines magnetisierbaren Kernes aus Ferrit
NL136207C (enrdf_load_stackoverflow) * 1962-08-16
DE1278921B (de) * 1963-09-06 1968-09-26 Siemens Ag Verfahren zur Verbesserung der zeitlichen Permeabilitaetskonstanz von Mangan-Zink-Ferritkernen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1019279B (de) * 1957-05-27 1957-11-14 Drummond Patents Ltd Vorrichtung zum Nassreinigen und Waschen von Luft oder Gasen

Also Published As

Publication number Publication date
BE472170A (enrdf_load_stackoverflow)
CH269325A (de) 1950-06-30
FR943955A (fr) 1949-03-23

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