IT1130383B - Procedimento per la fabbricazione di fibre fotoconduttrici - Google Patents

Procedimento per la fabbricazione di fibre fotoconduttrici

Info

Publication number
IT1130383B
IT1130383B IT21072/80A IT2107280A IT1130383B IT 1130383 B IT1130383 B IT 1130383B IT 21072/80 A IT21072/80 A IT 21072/80A IT 2107280 A IT2107280 A IT 2107280A IT 1130383 B IT1130383 B IT 1130383B
Authority
IT
Italy
Prior art keywords
procedure
manufacture
photoconductive fibers
photoconductive
fibers
Prior art date
Application number
IT21072/80A
Other languages
English (en)
Other versions
IT8021072A0 (it
Inventor
Peter Huber
Oskar Krumpholz
Stefan Maslowski
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of IT8021072A0 publication Critical patent/IT8021072A0/it
Application granted granted Critical
Publication of IT1130383B publication Critical patent/IT1130383B/it

Links

Classifications

    • 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
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
    • 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
    • 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
    • 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
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/08—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/10—Internal structure or shape details
    • C03B2203/22—Radial profile of refractive index, composition or softening point
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/10—Internal structure or shape details
    • C03B2203/22—Radial profile of refractive index, composition or softening point
    • C03B2203/24—Single mode [SM or monomode]
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/12—Drawing solid optical fibre directly from a hollow preform
    • C03B2205/16—Drawing solid optical fibre directly from a hollow preform the drawn fibre consisting of circularly symmetric core and clad

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Compositions (AREA)
IT21072/80A 1979-03-31 1980-03-31 Procedimento per la fabbricazione di fibre fotoconduttrici IT1130383B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792912960 DE2912960A1 (de) 1979-03-31 1979-03-31 Verfahren zur herstellung von lichtleitfasern

Publications (2)

Publication Number Publication Date
IT8021072A0 IT8021072A0 (it) 1980-03-31
IT1130383B true IT1130383B (it) 1986-06-11

Family

ID=6067073

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21072/80A IT1130383B (it) 1979-03-31 1980-03-31 Procedimento per la fabbricazione di fibre fotoconduttrici

Country Status (3)

Country Link
DE (1) DE2912960A1 (it)
FR (1) FR2453115B1 (it)
IT (1) IT1130383B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4566754A (en) * 1981-04-08 1986-01-28 British Telecommunications Optical fibres
DE3230199A1 (de) * 1982-08-13 1984-02-16 Siemens AG, 1000 Berlin und 8000 München Verfahren zur herstellung einer glasfaser mit einem radialen brechzahlprofil
GB2181861B (en) * 1985-10-16 1989-09-13 Zeiss Stiftung Method of making a planar lightwave guide
DE3536781A1 (de) * 1985-10-16 1987-04-16 Schott Glaswerke Verfahren zur herstellung eines planaren lichtwellenleiters
DE3733880A1 (de) * 1987-10-07 1989-04-20 Schott Glaswerke Verfahren zur herstellung eines lichtwellenleiters

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3711262A (en) * 1970-05-11 1973-01-16 Corning Glass Works Method of producing optical waveguide fibers
GB1456371A (en) * 1972-11-25 1976-11-24 Sumitomo Electric Industries Optical transmission fibre
GB1490700A (en) * 1973-12-20 1977-11-02 Standard Telephones Cables Ltd Optical fibre preform manufacture
US3963468A (en) * 1974-02-15 1976-06-15 Bell Telephone Laboratories, Incorporated Light guide fabrication
GB1496788A (en) * 1974-09-05 1978-01-05 Standard Telephones Cables Ltd Optical fibre manufacture
CA1029993A (en) * 1975-09-11 1978-04-25 Frederick D. King Optical fibre transmission line

Also Published As

Publication number Publication date
FR2453115A1 (fr) 1980-10-31
FR2453115B1 (fr) 1985-10-31
DE2912960A1 (de) 1980-10-09
IT8021072A0 (it) 1980-03-31

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