FR943955A - Self-induction coil and magnetic core for high frequencies - Google Patents

Self-induction coil and magnetic core for high frequencies

Info

Publication number
FR943955A
FR943955A FR943955DA FR943955A FR 943955 A FR943955 A FR 943955A FR 943955D A FR943955D A FR 943955DA FR 943955 A FR943955 A FR 943955A
Authority
FR
France
Prior art keywords
self
magnetic core
induction coil
high frequencies
frequencies
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
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 FR943955A publication Critical patent/FR943955A/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)
FR943955D 1946-03-27 1947-03-25 Self-induction coil and magnetic core for high frequencies Expired FR943955A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR943955A true FR943955A (en) 1949-03-23

Family

ID=19781855

Family Applications (1)

Application Number Title Priority Date Filing Date
FR943955D Expired FR943955A (en) 1946-03-27 1947-03-25 Self-induction coil and magnetic core for high frequencies

Country Status (4)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1278921B (en) * 1963-09-06 1968-09-26 Siemens Ag Process to improve the temporal permeability constancy of manganese-zinc-ferrite cores
DE1696425B1 (en) * 1962-08-16 1970-01-15 Philips Nv Process for the production of a polycrystalline ferrite body

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1035737B (en) * 1953-12-07 1958-08-07 Licentia Gmbh Semiconductor body with a large negative temperature coefficient
DE1088627B (en) * 1955-07-16 1960-09-08 Siemens Ag Process for the production of a magnetizable ferrite core
BE568035A (en) * 1957-05-27

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1696425B1 (en) * 1962-08-16 1970-01-15 Philips Nv Process for the production of a polycrystalline ferrite body
DE1278921B (en) * 1963-09-06 1968-09-26 Siemens Ag Process to improve the temporal permeability constancy of manganese-zinc-ferrite cores

Also Published As

Publication number Publication date
BE472170A (en)
GB634504A (en) 1950-03-22
CH269325A (en) 1950-06-30

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