FR1530609A - Composition de ferrites de lithium pour éléments de mémoires magnétiques et procédé de fabrication de ces éléments - Google Patents

Composition de ferrites de lithium pour éléments de mémoires magnétiques et procédé de fabrication de ces éléments

Info

Publication number
FR1530609A
FR1530609A FR106813A FR106813A FR1530609A FR 1530609 A FR1530609 A FR 1530609A FR 106813 A FR106813 A FR 106813A FR 106813 A FR106813 A FR 106813A FR 1530609 A FR1530609 A FR 1530609A
Authority
FR
France
Prior art keywords
elements
manufacturing
composition
magnetic memory
memory elements
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
FR106813A
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.)
CIE DES FERRITES ELECTRONIQUES
Original Assignee
CIE DES FERRITES ELECTRONIQUES
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 CIE DES FERRITES ELECTRONIQUES filed Critical CIE DES FERRITES ELECTRONIQUES
Priority to FR106813A priority Critical patent/FR1530609A/fr
Priority to US729430A priority patent/US3609084A/en
Priority to GB1226594D priority patent/GB1226594A/en
Priority to DE19681771390 priority patent/DE1771390A1/de
Application granted granted Critical
Publication of FR1530609A publication Critical patent/FR1530609A/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
    • C04B35/2691—Other ferrites containing alkaline metals
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Magnetic Ceramics (AREA)
  • Soft Magnetic Materials (AREA)
FR106813A 1967-05-18 1967-05-18 Composition de ferrites de lithium pour éléments de mémoires magnétiques et procédé de fabrication de ces éléments Expired FR1530609A (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR106813A FR1530609A (fr) 1967-05-18 1967-05-18 Composition de ferrites de lithium pour éléments de mémoires magnétiques et procédé de fabrication de ces éléments
US729430A US3609084A (en) 1967-05-18 1968-05-15 Lithium ferrite composition for magnetic memory elements and manufacturing process thereof
GB1226594D GB1226594A (fr) 1967-05-18 1968-05-16
DE19681771390 DE1771390A1 (de) 1967-05-18 1968-05-17 Lithiumferrite fuer Magnetspeicherelemente und Verfahren zu ihrer Herstellung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR106813A FR1530609A (fr) 1967-05-18 1967-05-18 Composition de ferrites de lithium pour éléments de mémoires magnétiques et procédé de fabrication de ces éléments

Publications (1)

Publication Number Publication Date
FR1530609A true FR1530609A (fr) 1968-06-28

Family

ID=8631025

Family Applications (1)

Application Number Title Priority Date Filing Date
FR106813A Expired FR1530609A (fr) 1967-05-18 1967-05-18 Composition de ferrites de lithium pour éléments de mémoires magnétiques et procédé de fabrication de ces éléments

Country Status (4)

Country Link
US (1) US3609084A (fr)
DE (1) DE1771390A1 (fr)
FR (1) FR1530609A (fr)
GB (1) GB1226594A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2085453A1 (en) * 1970-04-22 1971-12-24 Anvar Lithium ferrite cores with silicon additions - for calculator memories

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0630297B2 (ja) * 1988-02-03 1994-04-20 ティーディーケイ株式会社 フェライト焼結体およびチップ部品
DE3819626A1 (de) * 1988-06-09 1989-12-14 Bayer Ag Thermostabile zinkferrit-farbpigmente, verfahren zu ihrer herstellung sowie deren verwendung
US5028348A (en) * 1988-12-19 1991-07-02 Murata Manufacturing Co., Ltd. Magnetic material for high frequencies
EP0400716A1 (fr) * 1989-05-26 1990-12-05 Koninklijke Philips Electronics N.V. Matériau magnétique doux à base de ferrite de magnésium-manganèse-zinc et produits obtenus
US5523549A (en) * 1994-05-25 1996-06-04 Ceramic Powders, Inc. Ferrite compositions for use in a microwave oven
JP3489771B2 (ja) 1996-08-23 2004-01-26 松下電器産業株式会社 リチウム電池およびリチウム電池の製造法
EP0825153B1 (fr) * 1996-08-23 2003-11-26 Toda Kogyo Corporation Oxyde de lithium et du fer et procédé pour sa préparation
DE102005003356A1 (de) * 2005-01-25 2006-07-27 Lanxess Deutschland Gmbh Reduktionsstabile Zinkferrit-Farbpigmente, Verfahren zu ihrer Herstellung sowie deren Verwendung
JP5387947B2 (ja) * 2008-02-14 2014-01-15 日立金属株式会社 焼結フェライト材料

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL286715A (fr) * 1962-12-13 1965-02-10
FR1383038A (fr) * 1963-10-30 1964-12-24 Csf Compagne Generale De Teleg Ferrite cubique à fréquence limite d'utilisation élevée
US3483126A (en) * 1968-05-15 1969-12-09 Union Carbide Corp Ferrite materials containing titanium or manganese

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2085453A1 (en) * 1970-04-22 1971-12-24 Anvar Lithium ferrite cores with silicon additions - for calculator memories

Also Published As

Publication number Publication date
DE1771390A1 (de) 1971-12-30
US3609084A (en) 1971-09-28
GB1226594A (fr) 1971-03-31

Similar Documents

Publication Publication Date Title
CH527328A (fr) Elingue et procédé pour sa fabrication
FR1535570A (fr) Palier auto-centreur perfectionné et procédé pour sa fabrication
FR1530609A (fr) Composition de ferrites de lithium pour éléments de mémoires magnétiques et procédé de fabrication de ces éléments
FR1547803A (fr) Noyaux magnétiques perfectionnés et leur procédé de fabrication
CH458846A (fr) Palier sphérique et procédé pour sa fabrication
FR1511197A (fr) Nouvelle composition antistatique et procédé pour sa fabrication
CH376542A (fr) Elément magnétique bistable et procédé pour sa fabrication
CH507569A (fr) Elément de mémoire magnétique et procédé pour sa fabrication
FR1518073A (fr) Nouveau procédé de fabrication de reliures et reliures obtenues
FR1469253A (fr) Colorants et procédé pour leur fabrication
CH441512A (fr) Transistor latéral et procédé pour sa fabrication
FR1539147A (fr) éléments de construction précontraints et procédé de fabrication
FR86315E (fr) élément semi-conducteur et procédé pour sa fabrication
CH495578A (fr) Boîte de montre et procédé pour sa fabrication
CH468086A (fr) Séparateur pour batterie et procédé de fabrication de ce séparateur
FR1328976A (fr) Circuit magnétique et procédé pour sa fabrication
FR1525541A (fr) Roulement perfectionné et procédé de fabrication dudit roulement
FR1533733A (fr) Corps pour hautes températures et leur procédé de fabrication
FR1506501A (fr) éléments d'isolement pour emballages capitonnés et procédé de fabrication
FR1473573A (fr) Noyaux de transformateurs et procédé de fabrication desdits noyaux
FR1445961A (fr) éléments perfectionnés pour la construction et procédé de fabrication desdits eléments
CH503861A (fr) Elément de construction et procédé pour sa fabrication
FR1424438A (fr) Procédé de fabrication d'éléments d'enregistrement magnétique
FR1469158A (fr) Procédé de fabrication de monocristaux de ferrite
FR1361598A (fr) Boîte et procédé pour sa fabrication