GB979953A - Ferromagnetic ferrite materials and methods of fabrication for use at microwave frequencies - Google Patents

Ferromagnetic ferrite materials and methods of fabrication for use at microwave frequencies

Info

Publication number
GB979953A
GB979953A GB7265/63A GB726563A GB979953A GB 979953 A GB979953 A GB 979953A GB 7265/63 A GB7265/63 A GB 7265/63A GB 726563 A GB726563 A GB 726563A GB 979953 A GB979953 A GB 979953A
Authority
GB
United Kingdom
Prior art keywords
nio
mgo
mno
tio
compound
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
GB7265/63A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB979953A publication Critical patent/GB979953A/en
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
    • 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
    • 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
    • C04B35/2633—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 barium, strontium or calcium

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
GB7265/63A 1962-02-27 1963-02-22 Ferromagnetic ferrite materials and methods of fabrication for use at microwave frequencies Expired GB979953A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR889363A FR1323644A (fr) 1962-02-27 1962-02-27 Matériaux ferromagnétiques et procédés pour leur fabrication
FR922335A FR1354232A (fr) 1962-02-27 1963-01-23 Matériaux ferromagnétiques et procédés pour leur fabrication

Publications (1)

Publication Number Publication Date
GB979953A true GB979953A (en) 1965-01-06

Family

ID=26194553

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7265/63A Expired GB979953A (en) 1962-02-27 1963-02-22 Ferromagnetic ferrite materials and methods of fabrication for use at microwave frequencies

Country Status (7)

Country Link
US (1) US3291739A (e)
JP (1) JPS525719B1 (e)
BE (1) BE628934A (e)
CH (1) CH448295A (e)
FR (2) FR1323644A (e)
GB (1) GB979953A (e)
NL (1) NL289501A (e)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3457174A (en) * 1964-12-29 1969-07-22 Itt Ferromagnetic materials and processes for their manufacture

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1276534B (de) * 1965-05-10 1968-08-29 Philips Patentverwaltung Verfahren zur Herstellung eines ferromagnetischen Ferritmaterials mit hexagonaler Kristallstruktur
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2906710A (en) * 1959-09-29 Ferroelectric ceramic composition
NL95813C (e) * 1957-10-21 1960-11-15
US2982732A (en) * 1957-12-30 1961-05-02 Ibm Ferrite composition containing titanium and nickel
US3072576A (en) * 1958-05-27 1963-01-08 Aladdin Ind Inc Ferrites having rectangular hysteresis loops and method for manufacture of same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3457174A (en) * 1964-12-29 1969-07-22 Itt Ferromagnetic materials and processes for their manufacture

Also Published As

Publication number Publication date
FR1354232A (fr) 1964-03-06
US3291739A (en) 1966-12-13
NL289501A (e) 1965-03-25
JPS525719B1 (e) 1977-02-16
FR1323644A (fr) 1963-04-12
CH448295A (de) 1967-12-15
BE628934A (e) 1963-08-27

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