BR9401123A - Processo para fabricação de fibra ótica - Google Patents

Processo para fabricação de fibra ótica

Info

Publication number
BR9401123A
BR9401123A BR9401123A BR9401123A BR9401123A BR 9401123 A BR9401123 A BR 9401123A BR 9401123 A BR9401123 A BR 9401123A BR 9401123 A BR9401123 A BR 9401123A BR 9401123 A BR9401123 A BR 9401123A
Authority
BR
Brazil
Prior art keywords
optical fiber
manufacturing process
fiber manufacturing
optical
manufacturing
Prior art date
Application number
BR9401123A
Other languages
English (en)
Inventor
Suhas Dattatreya Bhandarkar
Original Assignee
American Telephone & Telegraph
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 American Telephone & Telegraph filed Critical American Telephone & Telegraph
Publication of BR9401123A publication Critical patent/BR9401123A/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
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
    • C03B37/023—Fibres composed of different sorts of glass, e.g. glass optical fibres, made by the double crucible technique
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00—Other methods of shaping glass
    • C03B19/12—Other methods of shaping glass by liquid-phase reaction processes
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S65/00—Glass manufacturing
    • Y10S65/90—Drying, dehydration, minimizing oh groups
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S65/00—Glass manufacturing
    • Y10S65/901—Liquid phase reaction process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Compositions (AREA)
BR9401123A 1993-03-11 1994-03-10 Processo para fabricação de fibra ótica BR9401123A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/029,753 US5356447A (en) 1993-03-11 1993-03-11 Manufacture of high proof-test optical fiber using sol-gel

Publications (1)

Publication Number Publication Date
BR9401123A true BR9401123A (pt) 1994-10-18

Family

ID=21850706

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9401123A BR9401123A (pt) 1993-03-11 1994-03-10 Processo para fabricação de fibra ótica

Country Status (12)

Country Link
US (1) US5356447A (pt)
EP (1) EP0614856B1 (pt)
JP (1) JP3515159B2 (pt)
KR (1) KR100303103B1 (pt)
CN (1) CN1042322C (pt)
AU (1) AU664325B2 (pt)
BR (1) BR9401123A (pt)
CA (1) CA2116383C (pt)
DE (1) DE69413736T2 (pt)
DK (1) DK0614856T3 (pt)
HK (1) HK1005832A1 (pt)
TW (1) TW296365B (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5562752A (en) * 1994-03-31 1996-10-08 Lucent Technologies Inc. Process of manufacturing vitreous silica product including hydrothermally treating a colloidal sol-gel
CA2161160C (en) * 1994-12-29 2000-01-04 Edwin Arthur Chandross Fabrication including sol-gel float processing
US6334338B1 (en) * 1998-07-02 2002-01-01 Lucent Technologies Inc. Sol gel process of making a fiber preform with removal of oxide particles
KR100326173B1 (ko) * 1999-12-30 2002-02-27 윤종용 고순도 실리카 글래스 제조 공정의 열처리 제어 방법
EP1114799A1 (en) * 2000-01-05 2001-07-11 Lucent Technologies Inc. Process for heat treatment of a shaped article with gaseous reactants
US7058245B2 (en) 2000-04-04 2006-06-06 Waveguide Solutions, Inc. Integrated optical circuits
KR100334763B1 (ko) * 2000-04-18 2002-05-03 윤종용 다공 구조 광섬유의 제조 방법 및 제조 장치
US6442977B1 (en) 2000-06-20 2002-09-03 Fitel Usa Corp. Sol-gel process for fabricating germanium-doped silica article
WO2002026645A1 (en) * 2000-09-27 2002-04-04 Corning Incorporated Process for drying porous glass preforms
US6457329B1 (en) 2000-12-14 2002-10-01 Fitel Usa Corp. Process for fabricating sol-gel article involving low-shrinkage formulation
JP5366200B2 (ja) * 2009-03-10 2013-12-11 学校法人日本大学 蛍光体の製造方法、非晶質赤色蛍光体
EP2603467B1 (en) 2010-08-12 2020-09-30 Corning Incorporated Treatment of silica based soot or an article made of silica based soot
CN104944759A (zh) * 2015-05-29 2015-09-30 成都亨通光通信有限公司 一种非气相沉积法光缆预制棒工艺

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4110093A (en) * 1974-04-22 1978-08-29 Macedo Pedro B Method for producing an impregnated waveguide
US4165223A (en) * 1978-03-06 1979-08-21 Corning Glass Works Method of making dry optical waveguides
US4426216A (en) * 1982-01-06 1984-01-17 Hitachi, Ltd. Process for producing optical glass
US4840653A (en) * 1983-12-22 1989-06-20 American Telephone And Telegraph Company, At&T Bell Laboratories Fabrication of high-silica glass article
US4707174A (en) * 1983-12-22 1987-11-17 American Telephone And Telegraph Company, At&T Bell Laboratories Fabrication of high-silica glass article
US4872895A (en) * 1986-12-11 1989-10-10 American Telephone And Telegraph Company, At&T Bell Laboratories Method for fabricating articles which include high silica glass bodies
US5026409A (en) * 1989-01-03 1991-06-25 Hughes Aircraft Company Preparation of fluoride glass optical preforms and fibers
AU637646B2 (en) * 1989-12-20 1993-06-03 Sumitomo Electric Industries, Ltd. Method for producing rare earth element-doped glass by sol-gel process
US5185020A (en) * 1990-08-27 1993-02-09 The Furukawa Electric Co., Ltd. Method for manufacturing a silica-base material for optical fiber
US5254508A (en) * 1991-12-12 1993-10-19 Yazaki Corporation Sol-gel process for forming a germania-doped silica glass rod

Also Published As

Publication number Publication date
US5356447A (en) 1994-10-18
AU664325B2 (en) 1995-11-09
TW296365B (pt) 1997-01-21
CN1098073A (zh) 1995-02-01
JP3515159B2 (ja) 2004-04-05
CN1042322C (zh) 1999-03-03
JPH06321569A (ja) 1994-11-22
KR940021444A (ko) 1994-10-17
DE69413736D1 (de) 1998-11-12
EP0614856A1 (en) 1994-09-14
CA2116383A1 (en) 1994-09-12
KR100303103B1 (ko) 2001-11-30
DE69413736T2 (de) 1999-04-29
DK0614856T3 (da) 1999-06-21
AU5754394A (en) 1994-09-15
EP0614856B1 (en) 1998-10-07
CA2116383C (en) 1997-12-30
HK1005832A1 (en) 1999-01-29

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Legal Events

Date Code Title Description
EE Request for examination
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 9A, 10A, 11A, 12A, 13A, 14A, 15A E 16A ANUIDADE(S).

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2277 DE 26/08/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 9A, 10A, 11A, 12A, 13A, 14A, 15A E 16A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2607 DE 22-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.