FR1192218A - Noyau magnétique utilisable comme élément mémoratif et son procédé de fabrication - Google Patents

Noyau magnétique utilisable comme élément mémoratif et son procédé de fabrication

Info

Publication number
FR1192218A
FR1192218A FR1192218DA FR1192218A FR 1192218 A FR1192218 A FR 1192218A FR 1192218D A FR1192218D A FR 1192218DA FR 1192218 A FR1192218 A FR 1192218A
Authority
FR
France
Prior art keywords
memorial
manufacturing process
magnetic core
core 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)
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 FR1192218A publication Critical patent/FR1192218A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Magnetic Ceramics (AREA)
  • Soft Magnetic Materials (AREA)
  • Hard Magnetic Materials (AREA)
FR1192218D 1956-09-17 1957-09-16 Noyau magnétique utilisable comme élément mémoratif et son procédé de fabrication Expired FR1192218A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL210710 1956-09-17

Publications (1)

Publication Number Publication Date
FR1192218A true FR1192218A (fr) 1959-10-23

Family

ID=19750790

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1192218D Expired FR1192218A (fr) 1956-09-17 1957-09-16 Noyau magnétique utilisable comme élément mémoratif et son procédé de fabrication

Country Status (5)

Country Link
US (1) US2988508A (fr)
BE (1) BE560877A (fr)
FR (1) FR1192218A (fr)
GB (1) GB854831A (fr)
NL (2) NL111145C (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL99145C (fr) * 1958-06-03
NL256989A (fr) * 1959-11-10
NL286714A (fr) * 1962-12-13 1965-12-10
US3274110A (en) * 1962-12-21 1966-09-20 Ibm Ferrite process
US3177145A (en) * 1963-02-04 1965-04-06 Ibm Manganese copper ferrite composition containing titanium and germanium and method ofpreparation
DE1696456B1 (de) * 1965-03-24 1970-11-12 Telefunken Patent Verfahren zur Herstellung eines unterstoechiometrischen Ferrites mit nahezu rechteckfoermiger,temperaturstabiler Hystereschleife fuer Schaltringkerne

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE508079A (fr) *
US2636860A (en) * 1944-07-06 1953-04-28 Hartford Nat Bank & Trust Co Magnetic core
GB730703A (en) * 1952-07-31 1955-05-25 Centre Nat Rech Scient Magnetic materials and methods of manufacturing such materials
US2723238A (en) * 1952-08-19 1955-11-08 Rca Corp Manganese zinc ferrospinel compositions, including copper oxide
NL82276C (fr) * 1953-12-22
US2818387A (en) * 1954-10-28 1957-12-31 Philips Corp Square loop ferromagnetic material

Also Published As

Publication number Publication date
NL111145C (fr)
NL210710A (fr)
US2988508A (en) 1961-06-13
BE560877A (fr)
GB854831A (en) 1960-11-23

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