FR1290781A - Magnetic annealing process of magnetic ferrite - Google Patents

Magnetic annealing process of magnetic ferrite

Info

Publication number
FR1290781A
FR1290781A FR863832A FR863832A FR1290781A FR 1290781 A FR1290781 A FR 1290781A FR 863832 A FR863832 A FR 863832A FR 863832 A FR863832 A FR 863832A FR 1290781 A FR1290781 A FR 1290781A
Authority
FR
France
Prior art keywords
magnetic
annealing process
ferrite
magnetic ferrite
magnetic annealing
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
FR863832A
Other languages
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.)
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
Application granted granted Critical
Publication of FR1290781A publication Critical patent/FR1290781A/en
Expired 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)
FR863832A 1960-06-10 1961-06-03 Magnetic annealing process of magnetic ferrite Expired FR1290781A (en)

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
FR1290781A true FR1290781A (en) 1962-04-13

Family

ID=21880768

Family Applications (1)

Application Number Title Priority Date Filing Date
FR863832A Expired FR1290781A (en) 1960-06-10 1961-06-03 Magnetic annealing process of magnetic ferrite

Country Status (5)

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

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 (en) * 1965-08-10 1972-06-29 Siemens Ag PROCESS FOR MANUFACTURING A FERROMAGNETIC SWITCH CORE FROM FERRITE WITH A RECTANGULAR HYSTERESIS LOOP
FR2432754A1 (en) * 1978-08-01 1980-02-29 Thomson Csf METHOD FOR MANUFACTURING A DIELECTRIC MATERIAL WITH INSULATING BARRIERS DISTRIBUTED BY VOLUME, FOR USE AT HIGH VOLTAGE, AND ELECTRONIC DEVICE MADE WITH THIS MATERIAL
US5838215A (en) * 1996-02-05 1998-11-17 Motorola, Inc. RF choke with a low Q core formed by sintering ferrous and ferric oxides

Family Cites Families (5)

* 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
NL87127C (en) * 1951-10-04
DK105170C (en) * 1955-06-30 1966-08-29 Siemens Ag Process for the production of magnetizable ferrite cores.
NL96342C (en) * 1955-10-20

Also Published As

Publication number Publication date
GB940163A (en) 1963-10-23
DE1696386B1 (en) 1970-07-09
NL124005C (en)
US3055832A (en) 1962-09-25
NL265534A (en)

Similar Documents

Publication Publication Date Title
FR1212306A (en) Manufacturing process of ferromagnetic ferrites
FR1243713A (en) Compositions and manufacturing process of ferrite
BE591156A (en) Annealing process
FR1290781A (en) Magnetic annealing process of magnetic ferrite
FR1236085A (en) Method of construction of magnetic circuits
BE605550A (en) Improved coil and apparatus and method of manufacture
FR1298839A (en) Winding process
BE603265A (en) Method of forming junctions
FR1244033A (en) Method of manufacturing ferrite cores
BE607205A (en) Magnetic devices and method for their manufacture
BE617739A (en) Superconducting magnet and method of its production
FR1314392A (en) Photo-reservations and method of manufacturing photo-reservations
FR1285549A (en) Method of winding closed magnetic circuits
FR1286133A (en) Ferrite firing process
FR1292875A (en) Improved coil and apparatus and method of manufacture
FR1260367A (en) Treatment of soft magnetic materials
FR1257885A (en) Method of reducing metal oxides
FR1296342A (en) Photoconductolithographic process
FR1260108A (en) Manufacturing process of plasterwork fencing
FR1273158A (en) Method of manufacturing ferrites
FR1298403A (en) Process for manufacturing ferrite cores
FR1284724A (en) Electrophotographic process
FR1300401A (en) Process for making ferrite magnetic cores
BE606406A (en) Aging hardening process of magnetostriction cores
FR1280152A (en) Magnetic cores and their manufacturing process