IT8021072A0 - PROCEDURE FOR THE MANUFACTURE OF PHOTOCONDUCTIVE FIBERS. - Google Patents

PROCEDURE FOR THE MANUFACTURE OF PHOTOCONDUCTIVE FIBERS.

Info

Publication number: IT8021072A0
Authority: IT; Italy
Prior art keywords: procedure; manufacture; photoconductive fibers; photoconductive; fibers
Prior art date: 1979-03-31

Application number

IT8021072A

Other languages

Italian (it)

Other versions

IT1130383B (en

Inventor

Huber Peter

Krumpholz Oskar

Maslowski Stefan

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.)

1979-03-31

Filing date

1980-03-31

Publication date

1980-03-31

1980-03-31 Application filed by Licentia Gmbh filed Critical Licentia Gmbh

1980-03-31 Publication of IT8021072A0 publication Critical patent/IT8021072A0/en

1986-06-11 Application granted granted Critical

1986-06-11 Publication of IT1130383B publication Critical patent/IT1130383B/en

Links

239000000835 fiber Substances 0.000 title 1
238000004519 manufacturing process Methods 0.000 title 1
238000000034 method Methods 0.000 title 1

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 PROCEDURE FOR THE MANUFACTURE OF PHOTOCONDUCTIVE FIBERS IT1130383B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19792912960 DE2912960A1 (en)	1979-03-31	1979-03-31	METHOD FOR THE PRODUCTION OF OPTICAL FIBERS

Publications (2)

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

Family

ID=6067073

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT21072/80A IT1130383B (en)	1979-03-31	1980-03-31	PROCEDURE FOR THE MANUFACTURE OF PHOTOCONDUCTIVE FIBERS

Country Status (3)

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

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 (en) *	1982-08-13	1984-02-16	Siemens AG, 1000 Berlin und 8000 München	METHOD FOR PRODUCING A FIBERGLASS WITH A RADIAL CRUSH PROFILE
GB2181861B (en) *	1985-10-16	1989-09-13	Zeiss Stiftung	Method of making a planar lightwave guide
DE3536781A1 (en) *	1985-10-16	1987-04-16	Schott Glaswerke	Process for the production of a planar optical waveguide
DE3733880A1 (en) *	1987-10-07	1989-04-20	Schott Glaswerke	METHOD FOR PRODUCING A LIGHT WAVE GUIDE

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
NL182310C (en) *	1972-11-25	1988-02-16	Sumitomo Electric Industries	GLASS FIBER FOR OPTICAL TRANSMISSION.
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

1979
- 1979-03-31 DE DE19792912960 patent/DE2912960A1/en not_active Ceased
1980
- 1980-03-27 FR FR8006890A patent/FR2453115B1/en not_active Expired
- 1980-03-31 IT IT21072/80A patent/IT1130383B/en active

Also Published As

Publication number	Publication date
FR2453115A1 (en)	1980-10-31
DE2912960A1 (en)	1980-10-09
FR2453115B1 (en)	1985-10-31
IT1130383B (en)	1986-06-11

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