FR2110446A3 - - Google Patents

Info

Publication number
FR2110446A3
FR2110446A3 FR7136937A FR7136937A FR2110446A3 FR 2110446 A3 FR2110446 A3 FR 2110446A3 FR 7136937 A FR7136937 A FR 7136937A FR 7136937 A FR7136937 A FR 7136937A FR 2110446 A3 FR2110446 A3 FR 2110446A3
Authority
FR
France
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.)
Granted
Application number
FR7136937A
Other languages
French (fr)
Other versions
FR2110446B3 (OSRAM
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.)
MATTES HILDEGARD
Original Assignee
MATTES HILDEGARD
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 MATTES HILDEGARD filed Critical MATTES HILDEGARD
Publication of FR2110446A3 publication Critical patent/FR2110446A3/fr
Application granted granted Critical
Publication of FR2110446B3 publication Critical patent/FR2110446B3/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • H01F13/003—Methods and devices for magnetising permanent magnets
    • 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
    • C04B35/2683—Other ferrites containing alkaline earth metals or lead
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/605—Making or treating the green body or pre-form in a magnetic field
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/78—Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
    • C04B2235/787—Oriented grains
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/58—Processes of forming magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
FR7136937A 1970-10-15 1971-10-14 Expired FR2110446B3 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8094170A 1970-10-15 1970-10-15

Publications (2)

Publication Number Publication Date
FR2110446A3 true FR2110446A3 (OSRAM) 1972-06-02
FR2110446B3 FR2110446B3 (OSRAM) 1974-06-07

Family

ID=22160643

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7136937A Expired FR2110446B3 (OSRAM) 1970-10-15 1971-10-14

Country Status (5)

Country Link
US (1) US3755515A (OSRAM)
DE (1) DE2149907A1 (OSRAM)
FR (1) FR2110446B3 (OSRAM)
GB (1) GB1358423A (OSRAM)
IT (1) IT942675B (OSRAM)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE413864B (sv) * 1974-12-27 1980-06-30 Osaka Packing Formningsanordning
GB1602276A (en) * 1977-08-01 1981-11-11 Nat Res Dev Method of and apparatus for moulding magnet compacts
IT1208358B (it) * 1987-03-31 1989-06-12 Brussino Massimo Procedimento per la produzione di laminato plastico magnetico e laminato magnetico ottenuto con tale procedimento
DE3726667A1 (de) * 1987-08-11 1989-02-23 Bayer Ag Feinteilige magnetische borhaltige hexaferritpigmente, verfahren zu ihrer herstellung sowie deren verwendung
US5945028A (en) * 1992-04-24 1999-08-31 Tdk Corporation Hexagonal system ferrite particles and their production process
US5648039A (en) * 1992-04-24 1997-07-15 Tdk Corporation Process for the production of anisotropic ferrite magnets
US20110012463A1 (en) * 2007-08-01 2011-01-20 Gerald David Duncan appliance, rotor and magnet element

Also Published As

Publication number Publication date
FR2110446B3 (OSRAM) 1974-06-07
GB1358423A (en) 1974-07-03
DE2149907A1 (de) 1972-04-27
IT942675B (it) 1973-04-02
US3755515A (en) 1973-08-28

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Legal Events

Date Code Title Description
ST Notification of lapse