FR1358754A - Procédé de fabrication d'un noyau magnétique servant d'élément de mémoire et noyau magnétique fabriqué par ce procédé - Google Patents

Procédé de fabrication d'un noyau magnétique servant d'élément de mémoire et noyau magnétique fabriqué par ce procédé

Info

Publication number
FR1358754A
FR1358754A FR935940A FR935940A FR1358754A FR 1358754 A FR1358754 A FR 1358754A FR 935940 A FR935940 A FR 935940A FR 935940 A FR935940 A FR 935940A FR 1358754 A FR1358754 A FR 1358754A
Authority
FR
France
Prior art keywords
magnetic core
manufacturing
memory element
serving
core made
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
FR935940A
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 FR1358754A publication Critical patent/FR1358754A/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
    • C04B35/2616—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Magnetic Ceramics (AREA)
  • Soft Magnetic Materials (AREA)
  • Hard Magnetic Materials (AREA)
FR935940A 1962-05-25 1963-05-24 Procédé de fabrication d'un noyau magnétique servant d'élément de mémoire et noyau magnétique fabriqué par ce procédé Expired FR1358754A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL278942 1962-05-25

Publications (1)

Publication Number Publication Date
FR1358754A true FR1358754A (fr) 1964-04-17

Family

ID=19753850

Family Applications (1)

Application Number Title Priority Date Filing Date
FR935940A Expired FR1358754A (fr) 1962-05-25 1963-05-24 Procédé de fabrication d'un noyau magnétique servant d'élément de mémoire et noyau magnétique fabriqué par ce procédé

Country Status (11)

Country Link
US (1) US3372123A (da)
AT (1) AT241138B (da)
BE (1) BE632810A (da)
CH (1) CH428013A (da)
DE (1) DE1471340B2 (da)
DK (1) DK116144B (da)
ES (1) ES288241A1 (da)
FR (1) FR1358754A (da)
GB (1) GB994240A (da)
NL (2) NL135253C (da)
OA (1) OA00820A (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2663360A (en) * 1951-05-03 1953-12-22 Englander Co Inc Seat
DE1671022B1 (de) * 1966-03-17 1971-05-19 Siemens Ag Verwendung von lithiumferriten
JPS528517B1 (da) * 1966-12-28 1977-03-09
US3477960A (en) * 1967-08-23 1969-11-11 Ampex Preparation of lithium-manganese ferrite
JPS5427560B1 (da) * 1971-03-10 1979-09-11
US6210293B1 (en) 1993-06-01 2001-04-03 Spalding Sports Worldwide, Inc. Multi-layer golf ball

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL82272C (da) * 1953-12-21 1956-08-15
US3038860A (en) * 1956-12-20 1962-06-12 Francis E Vinal Lithium nickel ferrites
US3034987A (en) * 1957-12-31 1962-05-15 Rca Corp Magnetic cores
NL257266A (da) * 1959-11-10
US3065182A (en) * 1959-11-17 1962-11-20 Ibm Low flux density ferromagnetic material
US3093588A (en) * 1960-04-04 1963-06-11 Ampex Lithium ferrites
US3039962A (en) * 1961-01-30 1962-06-19 Rca Corp Ferromagnetic ferrite and process of preparing same
NL273242A (da) * 1962-01-05

Also Published As

Publication number Publication date
NL278942A (da)
NL135253C (da) 1972-05-15
ES288241A1 (es) 1963-12-01
OA00820A (fr) 1967-11-15
US3372123A (en) 1968-03-05
AT241138B (de) 1965-07-12
CH428013A (de) 1967-01-15
DE1471340A1 (de) 1970-02-05
BE632810A (da) 1963-11-25
DE1471340B2 (de) 1971-07-01
GB994240A (en) 1965-06-02
DK116144B (da) 1969-12-15

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