FR2174683B1 - - Google Patents

Info

Publication number
FR2174683B1
FR2174683B1 FR7207816A FR7207816A FR2174683B1 FR 2174683 B1 FR2174683 B1 FR 2174683B1 FR 7207816 A FR7207816 A FR 7207816A FR 7207816 A FR7207816 A FR 7207816A FR 2174683 B1 FR2174683 B1 FR 2174683B1
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.)
Expired
Application number
FR7207816A
Other languages
French (fr)
Other versions
FR2174683A1 (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.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT SA
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 Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Priority to FR7207816A priority Critical patent/FR2174683A1/fr
Priority to GB957573A priority patent/GB1428000A/en
Priority to NL7302964A priority patent/NL7302964A/xx
Priority to US00337308A priority patent/US3855691A/en
Priority to DE19732311223 priority patent/DE2311223C3/de
Publication of FR2174683A1 publication Critical patent/FR2174683A1/fr
Application granted granted Critical
Publication of FR2174683B1 publication Critical patent/FR2174683B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/32—Non-reciprocal transmission devices
    • 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
    • C04B35/265—Compositions containing one or more ferrites of the group comprising manganese or zinc and one or more ferrites of the group comprising nickel, copper or cobalt
    • 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
    • C04B35/2675—Other ferrites containing rare earth metals, e.g. rare earth ferrite garnets
    • 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
    • H01F1/14—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 metals or alloys
    • H01F1/16—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 metals or alloys in the form of sheets
    • 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
    • H01F1/36—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 in the form of particles
    • H01F1/37—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 in the form of particles in a bonding agent

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Soft Magnetic Materials (AREA)
  • Physical Vapour Deposition (AREA)
FR7207816A 1972-03-07 1972-03-07 Integrated microwave circuit substrate - by heating polycrystalline magnetic starting material and mechanically working Granted FR2174683A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7207816A FR2174683A1 (en) 1972-03-07 1972-03-07 Integrated microwave circuit substrate - by heating polycrystalline magnetic starting material and mechanically working
GB957573A GB1428000A (en) 1972-03-07 1973-02-27 Magnetic materials for magnetic circuits
NL7302964A NL7302964A (it) 1972-03-07 1973-03-02
US00337308A US3855691A (en) 1972-03-07 1973-03-02 Method of making a magnetic material part with spatial distribution of the permeability
DE19732311223 DE2311223C3 (de) 1972-03-07 1973-03-07 Verfahren zur Herstellung eines magnetischen Formkörpers mit einer vorher festgelegten, räumlichen ungleichmäßigen Permeabilitätsverteilung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7207816A FR2174683A1 (en) 1972-03-07 1972-03-07 Integrated microwave circuit substrate - by heating polycrystalline magnetic starting material and mechanically working

Publications (2)

Publication Number Publication Date
FR2174683A1 FR2174683A1 (en) 1973-10-19
FR2174683B1 true FR2174683B1 (it) 1976-06-11

Family

ID=9094747

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7207816A Granted FR2174683A1 (en) 1972-03-07 1972-03-07 Integrated microwave circuit substrate - by heating polycrystalline magnetic starting material and mechanically working

Country Status (2)

Country Link
DE (1) DE2311223C3 (it)
FR (1) FR2174683A1 (it)

Also Published As

Publication number Publication date
FR2174683A1 (en) 1973-10-19
DE2311223C3 (de) 1979-06-21
DE2311223A1 (de) 1973-09-20
DE2311223B2 (de) 1978-10-26

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse