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IT1183790B - Procedimento e apparecchiatura per la produzione di fibre ottiche per trasmissione nel medio infrarosso - Google Patents

Procedimento e apparecchiatura per la produzione di fibre ottiche per trasmissione nel medio infrarosso

Info

Publication number
IT1183790B
IT1183790B IT67324/85A IT6732485A IT1183790B IT 1183790 B IT1183790 B IT 1183790B IT 67324/85 A IT67324/85 A IT 67324/85A IT 6732485 A IT6732485 A IT 6732485A IT 1183790 B IT1183790 B IT 1183790B
Authority
IT
Italy
Prior art keywords
procedure
production
equipment
fiber optics
infrared transmission
Prior art date
Application number
IT67324/85A
Other languages
English (en)
Other versions
IT8567324A0 (it
IT8567324A1 (it
Inventor
Giuseppe Parisi
Giacomo Roba
Original Assignee
Cselt Centro Studi Lab Telecom
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 Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Priority to IT67324/85A priority Critical patent/IT1183790B/it
Publication of IT8567324A0 publication Critical patent/IT8567324A0/it
Priority to JP61066110A priority patent/JPS61230105A/ja
Priority to EP86104490A priority patent/EP0196665B1/en
Priority to DE8686104490T priority patent/DE3660376D1/de
Priority to DE198686104490T priority patent/DE196665T1/de
Priority to CA000505633A priority patent/CA1277952C/en
Publication of IT8567324A1 publication Critical patent/IT8567324A1/it
Application granted granted Critical
Publication of IT1183790B publication Critical patent/IT1183790B/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
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
    • 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
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • 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
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/80—Non-oxide glasses or glass-type compositions
    • C03B2201/82—Fluoride glasses, e.g. ZBLAN glass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/80—Non-oxide glasses or glass-type compositions
    • C03B2201/84—Halide glasses other than fluoride glasses, i.e. Cl, Br or I glasses, e.g. AgCl-AgBr "glass"
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/30—Means for continuous drawing from a preform

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Glass Compositions (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Chemical Vapour Deposition (AREA)
IT67324/85A 1985-04-03 1985-04-03 Procedimento e apparecchiatura per la produzione di fibre ottiche per trasmissione nel medio infrarosso IT1183790B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT67324/85A IT1183790B (it) 1985-04-03 1985-04-03 Procedimento e apparecchiatura per la produzione di fibre ottiche per trasmissione nel medio infrarosso
JP61066110A JPS61230105A (ja) 1985-04-03 1986-03-26 中赤外伝送域での操作用の光フアイバの製造方法および装置
EP86104490A EP0196665B1 (en) 1985-04-03 1986-04-02 Process of and apparatus for manufacturing optical fibres for operation in the medium infrared transmission range
DE8686104490T DE3660376D1 (en) 1985-04-03 1986-04-02 Process of and apparatus for manufacturing optical fibres for operation in the medium infrared transmission range
DE198686104490T DE196665T1 (de) 1985-04-03 1986-04-02 Verfahren und vorrichtung zum herstellen von optischen fasern zum arbeiten im mittelinfrarottransmissiongebiet.
CA000505633A CA1277952C (en) 1985-04-03 1986-04-02 Production of optical fibres by vapour reaction of an organo-metallic compound and halogen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67324/85A IT1183790B (it) 1985-04-03 1985-04-03 Procedimento e apparecchiatura per la produzione di fibre ottiche per trasmissione nel medio infrarosso

Publications (3)

Publication Number Publication Date
IT8567324A0 IT8567324A0 (it) 1985-04-03
IT8567324A1 IT8567324A1 (it) 1986-10-03
IT1183790B true IT1183790B (it) 1987-10-22

Family

ID=11301451

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67324/85A IT1183790B (it) 1985-04-03 1985-04-03 Procedimento e apparecchiatura per la produzione di fibre ottiche per trasmissione nel medio infrarosso

Country Status (5)

Country Link
EP (1) EP0196665B1 (it)
JP (1) JPS61230105A (it)
CA (1) CA1277952C (it)
DE (2) DE196665T1 (it)
IT (1) IT1183790B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5145508A (en) * 1988-03-04 1992-09-08 Nippon Telegraph And Telephone Corporation Method of making fluoride glass using barium β-diketones
US5071460A (en) * 1988-03-04 1991-12-10 Nippon Telegraph And Telephone Corporation Process for the preparation of fluoride glass and process for the preparation of optical fiber preform using the fluoride glass
FR2652180B1 (fr) * 1989-09-20 1991-12-27 Mallet Jean Laurent Procede de modelisation d'une surface et dispositif pour sa mise en óoeuvre.
CA2379153A1 (en) * 1999-07-08 2001-01-18 Ji Wang Method for drawing an optical fiber from a porous preform
JP4321362B2 (ja) 2004-06-02 2009-08-26 住友電気工業株式会社 ガラス体の製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3209641A (en) * 1960-02-15 1965-10-05 American Optical Corp Infra-red transmitting fibers formed of arsenic and sulphur
DE2530514A1 (de) * 1975-07-09 1977-01-20 Licentia Gmbh Verfahren zur kontinuierlichen herstellung eines lichtleiters
JPS5263922A (en) * 1975-11-25 1977-05-26 Hitachi Ltd Glass production method

Also Published As

Publication number Publication date
EP0196665B1 (en) 1988-07-13
IT8567324A0 (it) 1985-04-03
JPS61230105A (ja) 1986-10-14
EP0196665A1 (en) 1986-10-08
CA1277952C (en) 1990-12-18
DE3660376D1 (en) 1988-08-18
JPH0469572B2 (it) 1992-11-06
DE196665T1 (de) 1987-02-05
IT8567324A1 (it) 1986-10-03

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950419