DE1696386B1 - Verfahren zur Herstellung von Ferritkernen mit rechteckfoermiger Hystereseschleife - Google Patents

Verfahren zur Herstellung von Ferritkernen mit rechteckfoermiger Hystereseschleife

Info

Publication number
DE1696386B1
DE1696386B1 DE19611696386 DE1696386A DE1696386B1 DE 1696386 B1 DE1696386 B1 DE 1696386B1 DE 19611696386 DE19611696386 DE 19611696386 DE 1696386 A DE1696386 A DE 1696386A DE 1696386 B1 DE1696386 B1 DE 1696386B1
Authority
DE
Germany
Prior art keywords
temperature
inert atmosphere
quenched
magnetic field
ferrite
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.)
Pending
Application number
DE19611696386
Other languages
German (de)
English (en)
Inventor
Weisz Robert Stephen
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.)
Ampex Corp
Original Assignee
Ampex Corp
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 Ampex Corp filed Critical Ampex Corp
Publication of DE1696386B1 publication Critical patent/DE1696386B1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H01F1/12—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 soft-magnetic materials
    • H01F1/34—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 soft-magnetic materials non-metallic substances, e.g. ferrites
    • H01F1/342—Oxides
    • H01F1/344—Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
    • 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
    • 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
    • C04B35/2658—Other ferrites containing manganese or zinc, e.g. Mn-Zn ferrites
    • 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
    • C04B35/2666—Other ferrites containing nickel, copper or cobalt

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Magnetic Ceramics (AREA)
  • Soft Magnetic Materials (AREA)
DE19611696386 1960-06-10 1961-06-09 Verfahren zur Herstellung von Ferritkernen mit rechteckfoermiger Hystereseschleife Pending DE1696386B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35120A US3055832A (en) 1960-06-10 1960-06-10 Magnetically annealed ferrite material

Publications (1)

Publication Number Publication Date
DE1696386B1 true DE1696386B1 (de) 1970-07-09

Family

ID=21880768

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19611696386 Pending DE1696386B1 (de) 1960-06-10 1961-06-09 Verfahren zur Herstellung von Ferritkernen mit rechteckfoermiger Hystereseschleife

Country Status (5)

Country Link
US (1) US3055832A (en:Method)
DE (1) DE1696386B1 (en:Method)
FR (1) FR1290781A (en:Method)
GB (1) GB940163A (en:Method)
NL (1) NL124005C (en:Method)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3242089A (en) * 1962-08-20 1966-03-22 Western Electric Co Heat-treating method for modifying permeability and quality factor of nickel-zinc-cobalt ferrite
US3234136A (en) * 1962-12-26 1966-02-08 Ibm Method for producing square loop nickel ferrous ferrite
DE1646997B1 (de) * 1965-08-10 1972-06-29 Siemens Ag Verfahren zur herstellung eines ferromagnetichen schaltkerns aus ferrit mit rechteckfoermiger hystereseschleife
FR2432754A1 (fr) * 1978-08-01 1980-02-29 Thomson Csf Procede de fabrication d'un materiau dielectrique a barrieres isolantes distribuees en volume, utilisable sous tension elevee, et dispositif electronique realise avec ce materiau
US5838215A (en) * 1996-02-05 1998-11-17 Motorola, Inc. RF choke with a low Q core formed by sintering ferrous and ferric oxides

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2929787A (en) * 1955-10-20 1960-03-22 Steatit Magnesia Ag Ferrite with constricted magnetic hysteresis loop

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1976230A (en) * 1930-12-25 1934-10-09 Mitsubishi Electric Corp Permanent magnet and method of manufacturing same
US2579978A (en) * 1946-03-27 1951-12-25 Hartford Nat Bank & Trust Co Soft ferromagnetic material and method of making same
BE514600A (en:Method) * 1951-10-04
DK105170C (da) * 1955-06-30 1966-08-29 Siemens Ag Fremgangsmåde til fremstilling af magnetiserbare ferritkerner.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2929787A (en) * 1955-10-20 1960-03-22 Steatit Magnesia Ag Ferrite with constricted magnetic hysteresis loop

Also Published As

Publication number Publication date
NL124005C (en:Method)
NL265534A (en:Method)
US3055832A (en) 1962-09-25
GB940163A (en) 1963-10-23
FR1290781A (fr) 1962-04-13

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