FR2255266B1 - - Google Patents

Info

Publication number
FR2255266B1
FR2255266B1 FR7442032A FR7442032A FR2255266B1 FR 2255266 B1 FR2255266 B1 FR 2255266B1 FR 7442032 A FR7442032 A FR 7442032A FR 7442032 A FR7442032 A FR 7442032A FR 2255266 B1 FR2255266 B1 FR 2255266B1
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
FR7442032A
Other languages
French (fr)
Other versions
FR2255266A1 (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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2255266A1 publication Critical patent/FR2255266A1/fr
Application granted granted Critical
Publication of FR2255266B1 publication Critical patent/FR2255266B1/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
    • C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • C03B37/01228—Removal of preform material
    • 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
    • C03C13/00—Fibre or filament compositions
    • C03C13/04—Fibre optics, e.g. core and clad fibre compositions
    • C03C13/045—Silica-containing oxide glass compositions
    • 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
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/06—Glass compositions containing silica with more than 90% silica by weight, e.g. quartz
    • 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
    • C03C2201/00—Glass compositions
    • C03C2201/06—Doped silica-based glasses
    • C03C2201/30—Doped silica-based glasses containing metals
    • 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
    • C03C2201/00—Glass compositions
    • C03C2201/06—Doped silica-based glasses
    • C03C2201/30—Doped silica-based glasses containing metals
    • C03C2201/31—Doped silica-based glasses containing metals containing germanium
    • 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
    • C03C2203/00—Production processes
    • C03C2203/50—After-treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Glass Compositions (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
FR7442032A 1973-12-20 1974-12-19 Expired FR2255266B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB59168/73A GB1490700A (en) 1973-12-20 1973-12-20 Optical fibre preform manufacture

Publications (2)

Publication Number Publication Date
FR2255266A1 FR2255266A1 (en) 1975-07-18
FR2255266B1 true FR2255266B1 (en) 1978-07-07

Family

ID=10483204

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7442032A Expired FR2255266B1 (en) 1973-12-20 1974-12-19

Country Status (9)

Country Link
JP (1) JPS5097347A (en)
CH (1) CH585160A5 (en)
DE (1) DE2458389A1 (en)
ES (1) ES433037A1 (en)
FR (1) FR2255266B1 (en)
GB (1) GB1490700A (en)
IT (1) IT1027769B (en)
NL (1) NL7416401A (en)
ZA (1) ZA747538B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2746418B2 (en) * 1976-11-02 1980-05-22 Fujitsu Ltd., Kawasaki, Kanagawa (Japan) its manufacture, optical transmission lines manufactured from it and a method for manufacturing an optical transmission line
JPS54106248A (en) * 1978-02-08 1979-08-21 Nippon Telegr & Teleph Corp <Ntt> Production of optical fibers
DE2912960A1 (en) * 1979-03-31 1980-10-09 Licentia Gmbh METHOD FOR THE PRODUCTION OF OPTICAL FIBERS
GB2131417B (en) * 1982-12-02 1987-04-08 Western Electric Co Ltd Optical device and preform fabrication

Also Published As

Publication number Publication date
AU7589474A (en) 1976-06-03
ZA747538B (en) 1975-12-31
JPS5097347A (en) 1975-08-02
IT1027769B (en) 1978-12-20
FR2255266A1 (en) 1975-07-18
DE2458389A1 (en) 1975-07-03
CH585160A5 (en) 1977-02-28
GB1490700A (en) 1977-11-02
NL7416401A (en) 1975-06-24
ES433037A1 (en) 1976-11-16

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Legal Events

Date Code Title Description
ST Notification of lapse