FR2174683A1 - Integrated microwave circuit substrate - by heating polycrystalline magnetic starting material and mechanically working - Google Patents

Integrated microwave circuit substrate - by heating polycrystalline magnetic starting material and mechanically working

Info

Publication number
FR2174683A1
FR2174683A1 FR7207816A FR7207816A FR2174683A1 FR 2174683 A1 FR2174683 A1 FR 2174683A1 FR 7207816 A FR7207816 A FR 7207816A FR 7207816 A FR7207816 A FR 7207816A FR 2174683 A1 FR2174683 A1 FR 2174683A1
Authority
FR
France
Prior art keywords
starting material
piece
mechanically working
circuit substrate
microwave circuit
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.)
Granted
Application number
FR7207816A
Other languages
English (en)
French (fr)
Other versions
FR2174683B1 (de
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 US00337308A priority patent/US3855691A/en
Priority to NL7302964A priority patent/NL7302964A/xx
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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (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
US00337308A US3855691A (en) 1972-03-07 1973-03-02 Method of making a magnetic material part with spatial distribution of the permeability
NL7302964A NL7302964A (de) 1972-03-07 1973-03-02
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 true FR2174683A1 (en) 1973-10-19
FR2174683B1 FR2174683B1 (de) 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 (de)
FR (1) FR2174683A1 (de)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FR2174683B1 (de) 1976-06-11
DE2311223B2 (de) 1978-10-26
DE2311223C3 (de) 1979-06-21
DE2311223A1 (de) 1973-09-20

Similar Documents

Publication Publication Date Title
ES410608A1 (es) Procedimiento para la produccion de una materia ceramica.
ES410610A1 (es) Procedimiento para fabricar un material altamente permea- ble.
ZA723804B (en) Process for the manufacturing of an article from synthetic resin
ES360009A1 (es) Procedimiento y dispositivo para el recubrimiento de super-ficies.
DK129720B (da) Formlegeme med duroplastisk karakter, af omsætningsprodukter af polyamider og polymere polycarboxylsyrer, eventuelt i form af et overtræk, og fremgangsmåde til fremstilling af et overtræk.
CA974742A (en) Method of manufacturing hot pressed ceramic material based on silicon nitride
ZA722181B (en) Process for manufacturing 1-aminoalkane-1,1-diphosphonic acids
FR2177508A1 (en) Integrated microwave circuit substrate - by heating polycrystalline magnetic starting material and mechanically working
FR2174683A1 (en) Integrated microwave circuit substrate - by heating polycrystalline magnetic starting material and mechanically working
CA962911A (en) Tobacco expansion process utilizing microwave energy
GB1317716A (en) Method of producing cubic boron nitride
FI45559C (fi) Tyydyttämättömään polyesteriin perustuvan puristusmassan valmistusmene telmä lämmössä puristettavien muotokappaleiden valmistusta varten.
FR2032633A5 (en) Firing of small ceramic electronic compon- - ents
IL25377A (en) Process for heat-treating a material in the production of cement clinker
FR1469223A (fr) Procédé de fabrication d'éléments agglomérés, notamment de carreaux de céramique, et presse pour sa mise en oeuvre
CA1025615A (en) Process for the production of sintered granulate from acrylonitrile-butadiene-styrene copolymers in powder form
JPS5313239A (en) Manufacturing process of laminated electrical heat plate
FR2168398A1 (en) Perforated semiconductor body prodn - using gas phase reaction deposition on shaped substrate
GB1424879A (en) Method of forming electrodes and conductors and articles made thereby
FR2184339A5 (en) Heat treating furnace - with heating elements positioned for better temp uniformity
JPS5230939A (en) Microwave heating process
FR2300053A1 (fr) Dispositif de fabrication de pieces refractaires
JPS5245094A (en) Temperature sensing ferrite
FR2132951A5 (en) Mould for ceramics prodn - for decorative ceramic tiles
FR2006697A1 (en) Evaporation of a thin layer of uniform thickness onto - a non-planar surface

Legal Events

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