BRPI0418783A - processo para produção de uma fibra óptica, pré-forma para produção de uma fibra óptica, fibra óptica e aparelho - Google Patents

processo para produção de uma fibra óptica, pré-forma para produção de uma fibra óptica, fibra óptica e aparelho

Info

Publication number
BRPI0418783A
BRPI0418783A BRPI0418783-0A BRPI0418783A BRPI0418783A BR PI0418783 A BRPI0418783 A BR PI0418783A BR PI0418783 A BRPI0418783 A BR PI0418783A BR PI0418783 A BRPI0418783 A BR PI0418783A
Authority
BR
Brazil
Prior art keywords
optical fiber
primary
preform
tube
producing
Prior art date
Application number
BRPI0418783-0A
Other languages
English (en)
Inventor
Carlos Pedrido
Original Assignee
Dotwyler Fiber Optics Sa
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34957295&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0418783(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dotwyler Fiber Optics Sa filed Critical Dotwyler Fiber Optics Sa
Publication of BRPI0418783A publication Critical patent/BRPI0418783A/pt
Publication of BRPI0418783B1 publication Critical patent/BRPI0418783B1/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
    • C03B37/025—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
    • C03B37/02736—Means for supporting, rotating or feeding the tubes, rods, fibres or filaments to be drawn, e.g. fibre draw towers, preform alignment, butt-joining preforms or dummy parts during feeding
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • 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
    • 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
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube
    • 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
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube
    • C03B37/0122—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube for making preforms of photonic crystal, microstructured or holey optical fibres
    • 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
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • C03B37/01248—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing by collapsing without drawing
    • 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
    • C03B37/0128—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass
    • 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
    • C03B37/0128—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass
    • C03B37/01291—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass by progressive melting, e.g. melting glass powder during delivery to and adhering the so-formed melt to a target or preform, e.g. the Plasma Oxidation Deposition [POD] process
    • C03B37/01294—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass by progressive melting, e.g. melting glass powder during delivery to and adhering the so-formed melt to a target or preform, e.g. the Plasma Oxidation Deposition [POD] process by delivering pulverulent glass to the deposition target or preform where the powder is progressively melted, e.g. accretion
    • 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
    • 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
    • C03B37/02754—Solid fibres drawn from hollow preforms
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/40—Multifibres or fibre bundles, e.g. for making image fibres
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/42—Photonic crystal fibres, e.g. fibres using the photonic bandgap PBG effect, microstructured or holey optical fibres
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/08—Sub-atmospheric pressure applied, e.g. vacuum
    • 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
    • C03B2205/13—Drawing solid optical fibre directly from a hollow preform from a hollow glass tube containing glass-forming material in particulate form, e.g. to form the core by melting the powder during drawing
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Glass Compositions (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

PROCESSO PARA PRODUçãO DE UMA FIBRA óPTICA, PRé-FORMA PARA PRODUçãO DE UMA FIBRA óPTICA, FIBRA óPTICA E APARELHO. A presente invenção refere-se a um processo para produzir uma fibra óptica compreende as etapas de inserir uma pré-forma de fibra óptica primária (11), tendo um primeiro eixo primário (x1) e uma superfície externa, em um tubo de sobre-revestimento (12), tendo um segundo eixo primário (x2) e uma superfície interna, de modo que as ditas superfície externa (111) e superfície interna (120) definam um espaço interno (15); reter a pré-forma primária (11) em uma posição inserida centralmente dentro do tubo de sobre-revestimento (12), com os ditos primeiro e segundo eixos primários (x1, x2) em alinhamento substancial entre eles; suprir grão de sobre-revestimento (13) ao espaço interno (15), que é limitado na extremidade inferior do tubo de sobre-revestimento (12) por meio de um fechamento (125): gerar uma condição de pressão reduzida dentro do espaço interno (15), que é limitado na extremidade superior do tubo de sobre-revestimento (12) por meio de um limitador (3), que retém a pré-forma de fibra óptica primária (11) e o tubo de sobre-revestimento (12) em posição; e aquecer a pré-forma secundária não processada (1), que consiste na pré-forma primária (11), tubo de sobre-revestimento (12) e grão de sobre-revestimento (13), na sua extremidade inferior a um estado amolecido, e estirar, simultânea ou subseqüentemente uma fibra óptica dela.
BRPI0418783-0B1A 2004-04-27 2004-04-27 processo para produzir uma fibra óptica ou pré-forma secundária para uma fibra óptica e pré-forma secundária BRPI0418783B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CH2004/000261 WO2005102946A1 (en) 2004-04-27 2004-04-27 Method for fabricating an optical fiber, preform for fabricating an optical fiber, optical fibre and apparatus

Publications (2)

Publication Number Publication Date
BRPI0418783A true BRPI0418783A (pt) 2007-10-09
BRPI0418783B1 BRPI0418783B1 (pt) 2013-07-16

Family

ID=34957295

Family Applications (2)

Application Number Title Priority Date Filing Date
BRPI0418783-0B1A BRPI0418783B1 (pt) 2004-04-27 2004-04-27 processo para produzir uma fibra óptica ou pré-forma secundária para uma fibra óptica e pré-forma secundária
BRPI0510264-2A BRPI0510264B1 (pt) 2004-04-27 2005-02-22 Método de fabricação de uma preforma de fibra fotônica de cristal, preforma de fibra fotônica de cristal e fibra ótica

Family Applications After (1)

Application Number Title Priority Date Filing Date
BRPI0510264-2A BRPI0510264B1 (pt) 2004-04-27 2005-02-22 Método de fabricação de uma preforma de fibra fotônica de cristal, preforma de fibra fotônica de cristal e fibra ótica

Country Status (13)

Country Link
US (2) US8132429B2 (pt)
EP (2) EP1740510B1 (pt)
JP (2) JP5054513B2 (pt)
KR (1) KR101115615B1 (pt)
CN (2) CN1989078B (pt)
AT (1) ATE492519T1 (pt)
BR (2) BRPI0418783B1 (pt)
DE (1) DE602004030720D1 (pt)
DK (1) DK1740510T3 (pt)
ES (2) ES2358883T3 (pt)
PL (2) PL1740510T3 (pt)
PT (1) PT1740510E (pt)
WO (2) WO2005102946A1 (pt)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8132429B2 (en) * 2004-04-27 2012-03-13 Silitec Fibers Sa Method for fabricating an optical fiber, preform for fabricating an optical fiber, optical fiber and apparatus
EP1942083A1 (en) 2006-12-07 2008-07-09 Datwyler Fiber Optics S.A. Method and apparatus for fabricating a preform for an active optical fiber, active optical fiber and amplifier
US8107784B2 (en) 2007-06-15 2012-01-31 Ofs Fitel, Llc Reduced bend sensitivity and catastrophic bend loss in single mode optical fibers and method of making same
US8472770B2 (en) 2007-06-15 2013-06-25 Ofs Fitel, Llc Single mode optical fibers and modular method of making same
FR2933400B1 (fr) * 2008-07-04 2010-08-20 Saint Gobain Ct Recherches Grains fondus d'oxydes comprenant al, ti, mg et zr et produits ceramiques comportant de tels grains
US8401353B2 (en) * 2008-09-12 2013-03-19 Draka Comteq B.V. Optical fiber cable assembly
US7970247B2 (en) * 2008-09-12 2011-06-28 Draka Comteq B.V. Buffer tubes for mid-span storage
EP2226301A1 (en) 2009-02-22 2010-09-08 Silitec Fibers SA Method for producing and processing a preform, preform and optical fiber
US8625944B1 (en) 2009-05-13 2014-01-07 Draka Comteq, B.V. Low-shrink reduced-diameter buffer tubes
US8625945B1 (en) 2009-05-13 2014-01-07 Draka Comteq, B.V. Low-shrink reduced-diameter dry buffer tubes
EP2261181A1 (en) 2009-05-21 2010-12-15 Silitec Fibers SA Method for fabricating and processing a preform, preform and optical fiber
EP2261182A1 (en) 2009-05-21 2010-12-15 Silitec Fibers SA Method for fabricating a preform from glass particles
US8925354B2 (en) * 2009-11-04 2015-01-06 Corning Incorporated Methods for forming an overclad portion of an optical fiber from pelletized glass soot
JP5466102B2 (ja) * 2010-07-08 2014-04-09 セイコーインスツル株式会社 貫通電極付きガラス基板の製造方法及び電子部品の製造方法
JP5384679B2 (ja) * 2012-01-19 2014-01-08 湖北工業株式会社 光ファイバ母材を製造する方法及び光ファイバ母材
JP5579210B2 (ja) * 2012-02-28 2014-08-27 日本電信電話株式会社 光ファイバ母材の製造方法
FR3011940B1 (fr) 2013-10-16 2017-01-27 Agence Nat Pour La Gestion Des Dechets Radioactifs Fibre optique, procede de fabrication d'une telle fibre optique et dispositif de mesure destine a la detection d'hydrogene equipe d'une telle fibre optique
US11554978B2 (en) 2013-11-27 2023-01-17 Corning Incorporated Method for reducing processing time for optical fiber preforms
WO2016100255A1 (en) 2014-12-16 2016-06-23 Corning Incorporated Method of making an optical fiber preform and handle for use in making of optical fiber preform
US9487428B2 (en) * 2015-03-06 2016-11-08 Ofs Fitel, Llc Easy removal of a thin-walled tube in a powder-in-tube (PIT) process
CN104788014B (zh) * 2015-04-12 2017-11-24 久智光电子材料科技有限公司 一种光纤预制棒制备及光纤拉丝的方法
FR3035229B1 (fr) 2015-04-15 2017-05-05 Agence Nat Pour La Gestion Des Dechets Radioactifs Fibre optique, procede de fabrication d'une telle fibre optique et dispositif de mesure destine a la detection d'hydrogene equipe d'une telle fibre optique
US9995875B2 (en) 2015-07-28 2018-06-12 The Penn State Research Foundation Method and apparatus for producing crystalline cladding and crystalline core optical fibers
JP6981710B2 (ja) 2015-12-18 2021-12-17 ヘレウス クワルツグラス ゲーエムベーハー ウント コンパニー カーゲー 二酸化ケイ素造粒体からの石英ガラス体の調製
US11339076B2 (en) 2015-12-18 2022-05-24 Heraeus Quarzglas Gmbh & Co. Kg Preparation of carbon-doped silicon dioxide granulate as an intermediate in the preparation of quartz glass
CN108698880B (zh) 2015-12-18 2023-05-02 贺利氏石英玻璃有限两合公司 不透明石英玻璃体的制备
JP6940235B2 (ja) 2015-12-18 2021-09-22 ヘレウス クワルツグラス ゲーエムベーハー ウント コンパニー カーゲー 高融点金属の溶融坩堝内での石英ガラス体の調製
EP3390304B1 (de) 2015-12-18 2023-09-13 Heraeus Quarzglas GmbH & Co. KG Sprühgranulieren von siliziumdioxid bei der herstellung von quarzglas
TWI840318B (zh) 2015-12-18 2024-05-01 德商何瑞斯廓格拉斯公司 石英玻璃體、光導、施照體、成型體及製備彼等之方法及矽組分之用途
KR20180095618A (ko) 2015-12-18 2018-08-27 헤래우스 크바르츠글라스 게엠베하 ＆ 컴파니 케이지 다중-챔버 가열로에서 실리카 유리체의 제조
WO2017103153A1 (de) 2015-12-18 2017-06-22 Heraeus Quarzglas Gmbh & Co. Kg Glasfasern und vorformen aus quarzglas mit geringem oh-, cl- und al-gehalt
EP3390303B1 (de) 2015-12-18 2024-02-07 Heraeus Quarzglas GmbH & Co. KG Herstellung von quarzglaskörpern mit taupunktkontrolle im schmelzofen
CN109153593A (zh) 2015-12-18 2019-01-04 贺利氏石英玻璃有限两合公司 合成石英玻璃粉粒的制备
JP6887201B2 (ja) * 2016-12-22 2021-06-16 古河電気工業株式会社 光ファイバの製造方法及び光ファイバ
JP6606116B2 (ja) * 2017-03-24 2019-11-13 古河電気工業株式会社 光ファイバの製造方法
CN107098578B (zh) * 2017-04-27 2019-06-25 烽火通信科技股份有限公司 用于制造多层结构光纤的光纤预制棒及制造光纤的方法
CN107082558B (zh) * 2017-04-27 2019-12-03 烽火通信科技股份有限公司 一种采用光纤预制棒制造单模光纤的方法
CN107082559B (zh) * 2017-05-10 2019-08-13 烽火通信科技股份有限公司 光纤的快速制造方法
JP2019081682A (ja) * 2017-10-31 2019-05-30 古河電気工業株式会社 光ファイバの製造方法
JP2019182694A (ja) * 2018-04-05 2019-10-24 三菱ケミカル株式会社 合成シリカガラス粉
JP6719505B2 (ja) * 2018-06-21 2020-07-08 古河電気工業株式会社 光ファイバの製造方法及び光ファイバ母材の製造方法
CN110422999A (zh) * 2019-07-31 2019-11-08 中国船舶重工集团公司第七0七研究所 用于制造光子晶体光纤预制棒的蜂巢式工装及其制造方法
EP3832363B1 (en) * 2019-12-03 2025-01-29 ASML Netherlands B.V. A device and method for connecting a fibre preform to a pressure supply system
CN111499182B (zh) * 2020-03-23 2021-09-14 中国科学院西安光学精密机械研究所 一种分布式侧面泵浦耦合光纤的在线拉制制备方法及系统
CN111470767B (zh) 2020-05-08 2022-07-05 江苏永鼎光纤科技有限公司 管外法沉积工艺中固废石英粉末的回收及再利用方法
CN111635127B (zh) * 2020-05-08 2023-06-09 江苏永鼎光纤科技有限公司 含有功能性石英包层的光纤预制棒及其制备方法
CN113716856B (zh) * 2020-05-25 2022-12-23 中天科技精密材料有限公司 光纤预制棒的制造设备、方法及光纤预制棒
EP4129939A1 (de) * 2021-08-03 2023-02-08 Heraeus Quarzglas GmbH & Co. KG Verfahren und halbzeug zur herstellung von mehrkernfasern
CN115256796B (zh) * 2022-09-27 2022-12-09 四川纤谷塑业有限公司 一种玄武岩纤维复合材料的成型工艺

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL261074A (pt) * 1958-08-11
JPS58104031A (ja) 1981-12-10 1983-06-21 Nippon Telegr & Teleph Corp <Ntt> 光フアイバ用母材の製造方法
JPS58151336A (ja) 1982-03-03 1983-09-08 Nippon Telegr & Teleph Corp <Ntt> オプテイカルガラスロツドの製造方法
JPS61132535A (ja) 1984-11-28 1986-06-20 Furukawa Electric Co Ltd:The 石英系光フアイバの製造方法
US4936650A (en) * 1986-04-24 1990-06-26 British Telecommunications Public Limited Company Optical wave guides
US4820322A (en) 1986-04-28 1989-04-11 American Telephone And Telegraph Company At&T Bell Laboratories Method of and apparatus for overcladding a glass rod
DE3921489A1 (de) 1989-06-30 1991-01-03 Kabelmetal Electro Gmbh Verfahren zur herstellung eines lichtleiters
CA2088238C (en) 1992-01-30 1998-08-18 Masato Oku Method of manufacturing optical fiber preform
FR2693451B1 (fr) 1992-07-07 1994-08-19 Alcatel Nv Procédé de fabrication d'une poudre de silice et application d'une telle poudre à la réalisation d'une préforme pour fibre optique.
JP2816097B2 (ja) 1994-07-27 1998-10-27 日立電線株式会社 希土類元素添加マルチコア光ファイバ、その製造方法、およびその光ファイバを利用した光増幅器
JP3434945B2 (ja) * 1995-09-20 2003-08-11 信越石英株式会社 ファイバ用中空シリカガラス母材の製造方法
JP3797567B2 (ja) 1995-10-31 2006-07-19 信越石英株式会社 光ファイバ用母材の製造方法
FR2741061B1 (fr) * 1995-11-13 1998-03-20 Alcatel Fibres Optiques Procede de fabrication d'une fibre optique monomode et amplificateur optique utilisant une telle fibre
KR0184481B1 (ko) 1996-06-10 1999-05-15 김광호 광섬유 제조장치의 고생산성 광섬유 인출장치 및 그 인출방법
EP1015396A1 (en) * 1997-06-23 2000-07-05 Corning Incorporated Composition for optical waveguide article and method for making continuous clad filament
CN1125788C (zh) * 1998-02-03 2003-10-29 住友电气工业株式会社 光纤母材的制造方法
US6334338B1 (en) 1998-07-02 2002-01-01 Lucent Technologies Inc. Sol gel process of making a fiber preform with removal of oxide particles
US6467312B1 (en) * 2000-07-11 2002-10-22 Fitel Usa Corp. Sol gel method of making an optical fiber with multiple apetures
GB0209908D0 (en) 2002-04-30 2002-06-05 Blazephotonics Ltd A method and apparatus relating to optical fibres
US20050204780A1 (en) * 2002-05-09 2005-09-22 The Furukawa Electric Co., Ltd. Method for manufacturing optical fiber
JP2004091304A (ja) * 2002-07-08 2004-03-25 Furukawa Electric Co Ltd:The 光ファイバ母材の調芯方法
US20040050110A1 (en) * 2002-08-29 2004-03-18 Berkey George E. Methods for fabricating optical fibers and optical fiber preforms
US7444838B2 (en) * 2003-10-30 2008-11-04 Virginia Tech Intellectual Properties, Inc. Holey optical fiber with random pattern of holes and method for making same
US20050226580A1 (en) * 2004-04-08 2005-10-13 Samson Bryce N Optical fiber for handling higher powers
US8132429B2 (en) 2004-04-27 2012-03-13 Silitec Fibers Sa Method for fabricating an optical fiber, preform for fabricating an optical fiber, optical fiber and apparatus
US7072552B2 (en) * 2004-12-02 2006-07-04 Nufern Optical fiber with micro-structured cladding

Also Published As

Publication number Publication date
WO2005102947A1 (en) 2005-11-03
CN1984850B (zh) 2012-09-05
EP1740511A1 (en) 2007-01-10
JP5219067B2 (ja) 2013-06-26
US8033142B2 (en) 2011-10-11
JP5054513B2 (ja) 2012-10-24
DE602004030720D1 (de) 2011-02-03
US20070220924A1 (en) 2007-09-27
US20070214841A1 (en) 2007-09-20
EP1740511B1 (en) 2017-01-18
ATE492519T1 (de) 2011-01-15
DK1740510T3 (da) 2011-04-04
BRPI0510264B1 (pt) 2019-08-20
ES2358883T3 (es) 2011-05-16
EP1740510A1 (en) 2007-01-10
KR20070018060A (ko) 2007-02-13
WO2005102946A1 (en) 2005-11-03
JP2007534591A (ja) 2007-11-29
BRPI0510264A (pt) 2007-10-30
ES2622450T3 (es) 2017-07-06
CN1989078A (zh) 2007-06-27
JP2007534592A (ja) 2007-11-29
EP1740510B1 (en) 2010-12-22
US8132429B2 (en) 2012-03-13
CN1989078B (zh) 2011-10-19
BRPI0418783B1 (pt) 2013-07-16
CN1984850A (zh) 2007-06-20
KR101115615B1 (ko) 2012-02-17
PL1740511T3 (pl) 2017-09-29
PL1740510T3 (pl) 2011-06-30
PT1740510E (pt) 2011-03-24

Similar Documents

Publication Publication Date Title
BRPI0418783A (pt) processo para produção de uma fibra óptica, pré-forma para produção de uma fibra óptica, fibra óptica e aparelho
ES2120467T3 (es) Procedimiento para fabricar un tubo de vidrio de cuarzo de gran tamaño, una preforma y una fibra optica.
ES2146684T3 (es) Boton para ropa.
BRPI0923056A8 (pt) Fermentador em forma de u e/ou bocal em laço em u, e, método para realizar um processo de fermentação
BR112012013893B8 (pt) pré-forma para produzir recipientes de plástico
BR112014029469A2 (pt) recipiente de vidro e método para fabricar o mesmo
ATE515484T1 (de) Verfahren zum kühlen einer optischen faser während des ziehens
CN104099239B (zh) 一种显微操作持定针的制作方法
EP1403595A3 (de) Absorberelement für solare Hochtemperatur-Wärmegewinnung und Verfahren zu dessen Herstellung
AU2000259162A1 (en) Birefringent optical fibers and methods for making and connecting them
BRPI0400048A (pt) Método de produção de pré-forma de fibra óptica e pré-forma de fibra óptica e fibra óptica produzidas com o método
CN202568187U (zh) 一种硬管内窥镜
BR112012012690A2 (pt) &#34;conjunto para produzir uma conexão rosqueada, método para fazer e quebrar dita conexão e uso de dita conexão em um retrabalho de tubo de subida&#34;
BR0215967A (pt) Queimador para um processo de deposição em fase vapor, e, processo de deposição quìmica em fase vapor
BR0315086A (pt) Processo para a fabricação de uma válvula de estrangulamento em uma tabuladura de válvula de estrangulamento contìnua
BR0304569A (pt) Processo de injeção de, pelo menos, um produto em um ovo para tratar o embrião, e, dispositivo de injeção
CN205749991U (zh) 一种单孔双纤毛细管
CN104536087A (zh) 一种多材料混合微结构光纤及其制备方法
BR0108332A (pt) Pré-forma em forma de haste para fabricação de uma fibra óptica a partir da mesma, métodos para fabricação de uma pré-forma em forma de haste e para fabricação de uma fibpa óptica, e, fibra óptica
CN204807753U (zh) 一种陶瓷插芯保护座
CN203930243U (zh) 一种新型高透氧性角膜接触镜
CN104142095B (zh) 面罩及其制造方法
CN205749990U (zh) 一种平台式单孔双纤毛细管
CN205899221U (zh) 一种新型的镜头转接圈
Lau The acquisition of relative clauses by Cantonese children: An experimental approach

Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 27/04/2004, OBSERVADAS AS CONDICOES LEGAIS.

B25D Requested change of name of applicant approved
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 20A ANUIDADE.

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 2772 DE 20-02-2024 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.