IT1027769B - Firpa ottica di anidride di silicio e anidride di germanio - Google Patents

Firpa ottica di anidride di silicio e anidride di germanio

Info

Publication number
IT1027769B
IT1027769B IT30681/74A IT3068174A IT1027769B IT 1027769 B IT1027769 B IT 1027769B IT 30681/74 A IT30681/74 A IT 30681/74A IT 3068174 A IT3068174 A IT 3068174A IT 1027769 B IT1027769 B IT 1027769B
Authority
IT
Italy
Prior art keywords
dioxide
firpa
optical
germanium
silicon dioxide
Prior art date
Application number
IT30681/74A
Other languages
English (en)
Original Assignee
Int 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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of IT1027769B publication Critical patent/IT1027769B/it

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)
IT30681/74A 1973-12-20 1974-12-18 Firpa ottica di anidride di silicio e anidride di germanio IT1027769B (it)

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 (1)

Publication Number Publication Date
IT1027769B true IT1027769B (it) 1978-12-20

Family

ID=10483204

Family Applications (1)

Application Number Title Priority Date Filing Date
IT30681/74A IT1027769B (it) 1973-12-20 1974-12-18 Firpa ottica di anidride di silicio e anidride di germanio

Country Status (9)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2746418B2 (de) * 1976-11-02 1980-05-22 Fujitsu Ltd., Kawasaki, Kanagawa (Japan) seiner Herstellung, aus ihm hergestellte optische Übertraglingsleitungen sowie Verfahren zum Herstellen einer optischen Übertragungsleitung
JPS54106248A (en) * 1978-02-08 1979-08-21 Nippon Telegr & Teleph Corp <Ntt> Production of optical fibers
DE2912960A1 (de) * 1979-03-31 1980-10-09 Licentia Gmbh Verfahren zur herstellung von lichtleitfasern
GB2131417B (en) * 1982-12-02 1987-04-08 Western Electric Co Ltd Optical device and preform fabrication

Also Published As

Publication number Publication date
ES433037A1 (es) 1976-11-16
DE2458389A1 (de) 1975-07-03
ZA747538B (en) 1975-12-31
NL7416401A (nl) 1975-06-24
FR2255266B1 (it) 1978-07-07
CH585160A5 (it) 1977-02-28
JPS5097347A (it) 1975-08-02
FR2255266A1 (it) 1975-07-18
GB1490700A (en) 1977-11-02
AU7589474A (en) 1976-06-03

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