BR8005449A - Processo e aparelho de producao de pre-forma de fibra otica - Google Patents

Processo e aparelho de producao de pre-forma de fibra otica

Info

Publication number
BR8005449A
BR8005449A BR8005449A BR8005449A BR8005449A BR 8005449 A BR8005449 A BR 8005449A BR 8005449 A BR8005449 A BR 8005449A BR 8005449 A BR8005449 A BR 8005449A BR 8005449 A BR8005449 A BR 8005449A
Authority
BR
Brazil
Prior art keywords
appliance
production
fiber optic
optic form
fiber
Prior art date
Application number
BR8005449A
Other languages
English (en)
Inventor
P Vergnano
G 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
Publication of BR8005449A publication Critical patent/BR8005449A/pt

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]
    • C03B37/016—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] by a liquid phase reaction process, e.g. through a gel phase

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Glass Compositions (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
BR8005449A 1979-09-10 1980-08-28 Processo e aparelho de producao de pre-forma de fibra otica BR8005449A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68789/79A IT1119362B (it) 1979-09-10 1979-09-10 Procedimento ed apparecchiatura per la produzione di preforme per fibre ottiche

Publications (1)

Publication Number Publication Date
BR8005449A true BR8005449A (pt) 1981-03-10

Family

ID=11310582

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8005449A BR8005449A (pt) 1979-09-10 1980-08-28 Processo e aparelho de producao de pre-forma de fibra otica

Country Status (8)

Country Link
US (1) US4414164A (pt)
EP (1) EP0025230B1 (pt)
JP (1) JPS5696742A (pt)
BR (1) BR8005449A (pt)
CA (1) CA1147216A (pt)
DE (1) DE3064829D1 (pt)
ES (1) ES494514A0 (pt)
IT (1) IT1119362B (pt)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490211B1 (pt) * 1980-09-17 1990-09-21 Passaret Michel
DE3206181A1 (de) * 1982-02-20 1983-09-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur herstellung einer vorform, aus der optische fasern ziehbar sind
US4443239A (en) * 1982-05-20 1984-04-17 International Telephone And Telegraph Corporation Fabrication of optical waveguides using slurry deposition
DE3406148A1 (de) * 1984-02-21 1985-09-05 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur herstellung von rohrfoermigen koerpern und vorrichtung zur durchfuehrung des verfahrens
CS245569B1 (en) * 1984-04-06 1986-10-16 Oto Wichterle Method of polymere gels casting from monomers' volatile mixtures in open moulds and equipment for application of this method
US4798694A (en) * 1985-08-09 1989-01-17 Canon Kabushiki Kaisha Method for producing composite materials
IT1191998B (it) * 1986-04-10 1988-03-31 Cselt Centro Studi Lab Telecom Procedimento e apparecchiatura per la produzione di preforme per fibre ottiche operanti nella regione spettrale del medio infrarosso
US5336360A (en) * 1986-08-18 1994-08-09 Clemson University Laser assisted fiber growth
US5306460A (en) * 1987-06-13 1994-04-26 Asahi Denka Kogyo K.K. Method of producing cast products using elastic molds
FR2621909B1 (pt) * 1987-10-16 1990-01-19 Comp Generale Electricite
US5198270A (en) * 1991-11-08 1993-03-30 Bell Communications Research, Inc. Method of forming a fiber preform with dopants dissolved in a liquid
US6312656B1 (en) 1995-12-19 2001-11-06 Corning Incorporated Method for forming silica by combustion of liquid reactants using oxygen
BR9611969A (pt) 1995-12-19 1999-02-17 Corning Inc Processo e aparelho para formação de sílica fundida por combustão de reagentes líquidos
DE19725955C1 (de) * 1997-06-19 1999-01-21 Heraeus Quarzglas Verfahren zur Herstellung eines Quarzglasrohlings und dafür geeignete Vorrichtung
US5979185A (en) * 1997-07-16 1999-11-09 Corning Incorporated Method and apparatus for forming silica by combustion of liquid reactants using a heater
EP1010672A1 (en) 1998-12-17 2000-06-21 PIRELLI CAVI E SISTEMI S.p.A. Method and apparatus for forming an optical fiber preform by combustionless hydrolysis
US6460378B1 (en) * 2000-02-29 2002-10-08 Xiaoyuan Dong Collapsing a multitube assembly and subsequent optical fiber drawing in the same furnace
CN112299703B (zh) * 2020-11-13 2024-03-12 中国电子科技集团公司第四十六研究所 一种掺杂溶液喷洒装置及喷洒方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2570245A (en) * 1948-04-02 1951-10-09 Pittsburgh Plate Glass Co Method of spraying transparent coatings
US3636492A (en) * 1968-08-05 1972-01-18 Matsushita Electric Ind Co Ltd Sintered semiconductor film and method of manufacturing same
DE2447353B2 (de) * 1974-10-04 1977-06-02 Jenaer Glaswerk Schott & Gen., 6500 Mainz Verfahren zum herstellen von lichtleitfasern
DE2637937A1 (de) * 1976-08-23 1978-03-02 Siemens Ag Herstellung von lichtleitfasern nach einem fluessigphasen-abscheidungsverfahren

Also Published As

Publication number Publication date
IT1119362B (it) 1986-03-10
DE3064829D1 (en) 1983-10-20
ES8104154A1 (es) 1981-04-01
EP0025230B1 (en) 1983-09-14
IT7968789A0 (it) 1979-09-10
US4414164A (en) 1983-11-08
ES494514A0 (es) 1981-04-01
JPS5696742A (en) 1981-08-05
CA1147216A (en) 1983-05-31
JPS6348813B2 (pt) 1988-09-30
EP0025230A3 (en) 1981-04-22
EP0025230A2 (en) 1981-03-18

Similar Documents

Publication Publication Date Title
BR7907675A (pt) Aperfeicoamento no processo de fabricacao de forma preliminar de fibras oticas
ES491582A0 (es) Metodo de tratamiento de fibras de vidrio
BR8005449A (pt) Processo e aparelho de producao de pre-forma de fibra otica
IT1093218B (it) Processo per la pruduzione di fibre
RO86776A (ro) Fibre de sticla destinate fabricarii produselor izolante
PL211648A1 (pl) Hydrofilowe wlokno poliestrowe i sposob wytwarzania tych wlokien
BR8000205A (pt) Processo de preparacao de polpas descoradas
BR8001292A (pt) Processo e aparelho de alinhamento otico
JPS55124107A (en) Production of multiichannel optical fiber
IT1085483B (it) Procedimento per la fabbricazione di fibre ottiche e fibre ottiche ottenute con lo stesso
BR7800937A (pt) Processo e aparelho para distribuicao de fibras de vidro
BR7904505A (pt) Solucao de aclarador de estilbeno e processo para o aclaramento otico de materiais fibrosos
IT1115592B (it) Procedimento per la produzione di fibre ottiche
IT1059640B (it) Procedimento per la fabbricazione di sezioni di trasformazione di fibre ottiche
BR7901299A (pt) Processo para a producao de uma estrutura de fibra e respectiva estrutura de fibra
IT1157395B (it) Composizione vetrosa per la produzione di fibre
IT1115334B (it) Composizione e procedimento per il trattamento di fibre cheratinose
BR8003640A (pt) Aparelho e processo para a fabricacao de vidro fundido
IT1090000B (it) Processo per la produzione di fibre poliestere idrofile
IT1116642B (it) Procedimento per la fabbricazione di prodotti cementizi riforzati con fibre
IT1174306B (it) Procedimento per la produzione di pezzi formati per imbutitura di pannelli di fibre
IT1093687B (it) Procedimento ed apparecchio per la produzione di fibre di rinforzo mtalliche
BR8004444A (pt) Processo de preparacao de di-hidro-dimetilhidroxi-7-benzofurano
IT1130698B (it) Fabbricazione di fibre monomodo
BR7800185A (pt) Processo para producao de tiazolino-2-tionas e tiazolino-2-tionas

Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Ipc: C03B 37/016 (2006.01)