FR1148591A - Procédé de fabrication de matières vitreuses à structure cristalline polymorphe,et produits obtenus - Google Patents

Procédé de fabrication de matières vitreuses à structure cristalline polymorphe,et produits obtenus

Info

Publication number
FR1148591A
FR1148591A FR1148591DA FR1148591A FR 1148591 A FR1148591 A FR 1148591A FR 1148591D A FR1148591D A FR 1148591DA FR 1148591 A FR1148591 A FR 1148591A
Authority
FR
France
Prior art keywords
products obtained
crystalline structure
polymorphic crystalline
vitreous materials
manufacturing vitreous
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
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.)
Welwyn Electrcal Laboratories Ltd
Original Assignee
Welwyn Electrcal Laboratories Ltd
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 Welwyn Electrcal Laboratories Ltd filed Critical Welwyn Electrcal Laboratories Ltd
Application granted granted Critical
Publication of FR1148591A publication Critical patent/FR1148591A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/16—Halogen containing crystalline phase
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0054—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing PbO, SnO2, B2O3
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/08—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances quartz; glass; glass wool; slag wool; vitreous enamels
    • H01B3/087—Chemical composition of glass
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/002—Details
    • H01G4/018—Dielectrics
    • H01G4/06—Solid dielectrics
    • H01G4/08—Inorganic dielectrics
    • H01G4/12—Ceramic dielectrics
    • H01G4/129—Ceramic dielectrics containing a glassy phase, e.g. glass ceramic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Glass Compositions (AREA)
FR1148591D 1955-02-25 1956-02-24 Procédé de fabrication de matières vitreuses à structure cristalline polymorphe,et produits obtenus Expired FR1148591A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3000745X 1955-02-25

Publications (1)

Publication Number Publication Date
FR1148591A true FR1148591A (fr) 1957-12-11

Family

ID=10919503

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1148591D Expired FR1148591A (fr) 1955-02-25 1956-02-24 Procédé de fabrication de matières vitreuses à structure cristalline polymorphe,et produits obtenus

Country Status (2)

Country Link
US (1) US3000745A (fr)
FR (1) FR1148591A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3279947A (en) * 1966-10-18 High capacitance device
NL261774A (fr) * 1960-02-29
US3084053A (en) * 1960-05-13 1963-04-02 Robert H Arlett Ceramic materials and method for making same
BE626995A (fr) * 1962-01-10
US3195030A (en) * 1964-06-26 1965-07-13 Corning Glass Works Glass and methods of devitrifying same and making a capacitor therefrom
US3415731A (en) * 1965-01-29 1968-12-10 Beckman Instruments Inc Glass electrodes and method for producing the same
US3495996A (en) * 1966-05-13 1970-02-17 Ibm Ceramic composition,improved electronic devices employing same,and method of fabrication
US3649353A (en) * 1969-02-05 1972-03-14 Nasa Screened circuit capacitors
US3615772A (en) * 1969-04-25 1971-10-26 Owens Illinois Inc Fluorine-containing borate glass compositions
US3862046A (en) * 1973-05-18 1975-01-21 Us Navy Strengthened and high density batio{hd 3
JPS5062214A (fr) * 1973-10-04 1975-05-28
US4959089A (en) * 1988-05-03 1990-09-25 Alfred University Process for preparing a barium titanate film

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2738284A (en) * 1956-03-13 Calis
US2069903A (en) * 1934-12-14 1937-02-09 Soyck Werner Insulating material having a high dielectric constant and a process of producing same
US2220765A (en) * 1937-02-06 1940-11-05 Gen Electric Vitreous material
US2220775A (en) * 1937-12-30 1940-11-05 Gen Electric Ceramic material
US2277733A (en) * 1939-04-27 1942-03-31 Titanium Alloy Mfg Co Dielectric material and method of making the same
US2347187A (en) * 1942-02-07 1944-04-25 Titanium Alloy Mfg Co Enameling
NL68779C (fr) * 1943-06-02
US2576379A (en) * 1947-08-06 1951-11-27 Steatite & Porcelain Prod Ltd Ceramic dielectrics comprising essentially titania
US2721182A (en) * 1953-09-21 1955-10-18 Csf New piezo-electric ceramic material and process for making it
US2863782A (en) * 1955-07-22 1958-12-09 Minnesota Mining & Mfg Low-melting high-expansion glass

Also Published As

Publication number Publication date
US3000745A (en) 1961-09-19

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