DK162838C - Fremgangsmaade til fremstilling af glasraaemne til optiske fibre - Google Patents

Fremgangsmaade til fremstilling af glasraaemne til optiske fibre

Info

Publication number
DK162838C
DK162838C DK210385A DK210385A DK162838C DK 162838 C DK162838 C DK 162838C DK 210385 A DK210385 A DK 210385A DK 210385 A DK210385 A DK 210385A DK 162838 C DK162838 C DK 162838C
Authority
DK
Denmark
Prior art keywords
optical fibers
glass frame
manufacturing glass
manufacturing
frame
Prior art date
Application number
DK210385A
Other languages
English (en)
Other versions
DK210385D0 (da
DK210385A (da
DK162838B (da
Inventor
Michihisa Kyoto
Minoru Watanabe
Hiroo Kanamori
Original Assignee
Sumitomo Electric Industries
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 Sumitomo Electric Industries filed Critical Sumitomo Electric Industries
Publication of DK210385D0 publication Critical patent/DK210385D0/da
Publication of DK210385A publication Critical patent/DK210385A/da
Publication of DK162838B publication Critical patent/DK162838B/da
Application granted granted Critical
Publication of DK162838C publication Critical patent/DK162838C/da

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
    • 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
    • C03B37/0146—Furnaces therefor, e.g. muffle tubes, furnace linings
    • 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]
    • C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
    • C03B37/01453—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering for doping the preform with flourine
    • 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
    • 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
    • C03B2201/12—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with fluorine
    • 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
    • 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
    • Y10S65/15—Nonoxygen containing chalogenides
    • Y10S65/16—Optical filament or fiber treatment with fluorine or incorporating fluorine in final product
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Optics & Photonics (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Compositions (AREA)
  • Silicon Compounds (AREA)
DK210385A 1984-05-15 1985-05-10 Fremgangsmaade til fremstilling af glasraaemne til optiske fibre DK162838C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59095541A JPS60239337A (ja) 1984-05-15 1984-05-15 光フアイバ−用ガラス母材の製造法
JP9554184 1984-05-15

Publications (4)

Publication Number Publication Date
DK210385D0 DK210385D0 (da) 1985-05-10
DK210385A DK210385A (da) 1985-11-16
DK162838B DK162838B (da) 1991-12-16
DK162838C true DK162838C (da) 1992-05-18

Family

ID=14140421

Family Applications (1)

Application Number Title Priority Date Filing Date
DK210385A DK162838C (da) 1984-05-15 1985-05-10 Fremgangsmaade til fremstilling af glasraaemne til optiske fibre

Country Status (8)

Country Link
US (1) US4979971A (da)
EP (1) EP0161680B1 (da)
JP (1) JPS60239337A (da)
KR (1) KR900008503B1 (da)
AU (1) AU570559B2 (da)
CA (1) CA1266402A (da)
DE (1) DE3572159D1 (da)
DK (1) DK162838C (da)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0228082B1 (en) * 1985-12-27 1990-10-03 Sumitomo Electric Industries Limited Method of making optical glass article
JPS62153130A (ja) * 1985-12-27 1987-07-08 Sumitomo Electric Ind Ltd 光フアイバ−用ガラス母材の製造方法
US5028246A (en) * 1986-02-03 1991-07-02 Ensign-Bickford Optical Technologies, Inc. Methods of making optical waveguides
JPS62256734A (ja) * 1986-04-28 1987-11-09 Sumitomo Electric Ind Ltd 光フアイバ用母材の製造方法
JPH089487B2 (ja) * 1987-01-12 1996-01-31 住友電気工業株式会社 光フアイバ−用ガラス母材の製造方法
JPS63242941A (ja) * 1987-03-30 1988-10-07 Sumitomo Electric Ind Ltd 光フアイバ用母材の製造方法
JPH03131544A (ja) * 1989-06-29 1991-06-05 Sumitomo Electric Ind Ltd 光ファイバ用ガラス母材の加熱炉および製法
US5259856A (en) * 1989-09-06 1993-11-09 Sumitomo Electric Industrial, Ltd. Method of producing glass preform in furnace for heating glass
US5039325A (en) * 1990-01-02 1991-08-13 At&T Bell Laboratories Method for consolidating doped glass using an encapsulating structure
US5076824A (en) * 1990-05-14 1991-12-31 At&T Bell Laboratories Method of making fiber optical preform with pyrolytic coated mandrel
US6003342A (en) * 1991-10-25 1999-12-21 The Furukawa Electric Co., Ltd. Apparatus for production of optical fiber preform
DE4236578A1 (de) * 1992-10-29 1994-06-23 Deutsche Bundespost Telekom Verfahren und Vorrichtung zur Vorformherstellung für Quarzglas- Lichtwellenleiter
US5917109A (en) 1994-12-20 1999-06-29 Corning Incorporated Method of making optical fiber having depressed index core region
US5841933A (en) * 1996-07-09 1998-11-24 Hoaglin; Christine L. Optical waveguide fiber containing titania and germania
US6474107B1 (en) * 1996-12-02 2002-11-05 Franklin W. Dabby Fluorinating an optical fiber preform in a pure aluminum oxide muffle tube
DE69728955T2 (de) * 1996-12-20 2005-04-14 Corning Inc. Athermalisierte codotierte optische Wellenleitervorrichtung
US6263706B1 (en) * 1999-03-30 2001-07-24 Deliso Evelyn M. Method of controlling fluorine doping in soot preforms
DE19943103A1 (de) 1999-09-09 2001-03-15 Wacker Chemie Gmbh Hochgefüllte SiO2-Dispersion, Verfahren zu ihrer Herstellung und Verwendung
JP2001247318A (ja) * 2000-03-03 2001-09-11 Shin Etsu Chem Co Ltd 合成石英ガラス光学部材及びその製造方法
DE10044163A1 (de) * 2000-09-07 2002-04-04 Wacker Chemie Gmbh Elektrophoretisch nachverdichtete SiO2-Formkörper, Verfahren zu ihrer Herstellung und Verwendung
JP2004509829A (ja) * 2000-09-27 2004-04-02 コーニング　インコーポレイテッド 多孔質ガラスプリフォームを乾燥するためのプロセス
US6813908B2 (en) * 2000-12-22 2004-11-09 Corning Incorporated Treating an optical fiber preform with carbon monoxide
US6832026B2 (en) 2001-07-20 2004-12-14 Nufern Optical fiber having high temperature insensitivity over a temperature range centered on a selected temperature and method of making same
WO2003052173A1 (en) * 2001-12-14 2003-06-26 Corning Incorporated Two step etching process for an optical fiber preform
US6904214B2 (en) * 2002-05-14 2005-06-07 Nufern Method of providing an optical fiber having a minimum temperature sensitivity at a selected temperature
JP3970692B2 (ja) * 2002-05-31 2007-09-05 信越化学工業株式会社 プリフォーム製造方法
US6935050B2 (en) * 2002-12-04 2005-08-30 Corning Incorporated Method and apparatus reducing metal impurities in optical fiber soot preforms
DE10319300B4 (de) * 2003-04-29 2006-03-30 Wacker Chemie Ag Verfahren zur Herstellung eines Formkörpers aus Kieselglas
JP4789689B2 (ja) * 2006-04-18 2011-10-12 信越化学工業株式会社 低損失光ファイバ母材の製造方法
NO332015B1 (no) 2007-05-31 2012-05-21 Rotoboost As Anordning for produksjon av ren hydrogen
JP4490465B2 (ja) * 2007-09-11 2010-06-23 日本電信電話株式会社 光ファイバ製造方法
JP5678467B2 (ja) * 2010-04-30 2015-03-04 住友電気工業株式会社 ガラス母材製造方法
DE102012007520B3 (de) * 2012-04-17 2013-08-08 Heraeus Quarzglas Gmbh & Co. Kg Verfahren für die Herstellung eines zylinderförmigen Bauteils aus Fluor enthaltendem synthetischem Quarzglas
JP2013230961A (ja) * 2012-05-02 2013-11-14 Shin-Etsu Chemical Co Ltd 光ファイバプリフォームの製造方法
EP2977359B1 (de) 2014-07-21 2016-10-19 Heraeus Quarzglas GmbH & Co. KG Verfahren zur herstellung von mit fluor dotiertem quarzglas
CN110040942B (zh) * 2018-01-16 2021-10-12 中天科技集团有限公司 粉末体脱羟处理方法及石英玻璃的制备方法
EP3950611A1 (de) 2020-08-06 2022-02-09 Heraeus Quarzglas GmbH & Co. KG Alternative fluorierungsmittel zur herstellung von fluoriertem quarzglas
CN113387560B (zh) * 2021-08-17 2021-11-02 藤仓烽火光电材料科技有限公司 一种改善光纤传输衰减的反应系统及方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3933454A (en) * 1974-04-22 1976-01-20 Corning Glass Works Method of making optical waveguides
FR2428618A1 (fr) * 1978-06-16 1980-01-11 Telecommunications Sa Procede de fabrication d'une ebauche en vue de la realisation d'un guide de lumiere et ebauche obtenue selon le procede
JPS6038345B2 (ja) * 1978-11-07 1985-08-31 日本電信電話株式会社 光伝送用ガラス素材の製造方法
JPS5844619B2 (ja) * 1979-09-26 1983-10-04 日本電信電話株式会社 光フアイバ母材の製造法
JPS5858299B2 (ja) * 1980-05-24 1983-12-24 日本電信電話株式会社 低損失光ファイバ用多孔質母材の脱水焼結方法
US4289517A (en) * 1980-07-03 1981-09-15 Corning Glass Works Method of forming an optical waveguide preform
JPS591219B2 (ja) * 1980-08-05 1984-01-11 日本電信電話株式会社 光ファイバ用多孔質母材の脱水処理法
JPS5844619A (ja) * 1981-09-09 1983-03-15 東京プレス工業株式会社 容量キ−スイツチ
JPS5858299A (ja) * 1981-09-30 1983-04-06 Daido Steel Co Ltd 金属電極
AU567192B2 (en) * 1983-02-08 1987-11-12 Nippon Telegraph & Telephone Corporation Optical fibre preform manufacture
US4629485A (en) * 1983-09-26 1986-12-16 Corning Glass Works Method of making fluorine doped optical preform and fiber and resultant articles
JPS6081033A (ja) * 1983-10-11 1985-05-09 Nippon Telegr & Teleph Corp <Ntt> 光フアイバの製造方法
US4586943A (en) * 1983-10-20 1986-05-06 Sumitomo Electric Industries, Ltd. Method for the production of glass preform for optical fibers
EP0147029A1 (en) * 1983-12-22 1985-07-03 AT&T Corp. Fabrication of high-silica glass article
JPS60161347A (ja) * 1984-01-24 1985-08-23 Sumitomo Electric Ind Ltd 光フアイバ用ガラス母材の製造方法

Also Published As

Publication number Publication date
JPS60239337A (ja) 1985-11-28
EP0161680B1 (en) 1989-08-09
DK210385D0 (da) 1985-05-10
DK210385A (da) 1985-11-16
KR900008503B1 (ko) 1990-11-24
DK162838B (da) 1991-12-16
EP0161680A3 (en) 1986-12-10
CA1266402A (en) 1990-03-06
AU4241885A (en) 1985-11-21
KR850008332A (ko) 1985-12-16
EP0161680A2 (en) 1985-11-21
JPH0372583B2 (da) 1991-11-19
DE3572159D1 (en) 1989-09-14
US4979971A (en) 1990-12-25
AU570559B2 (en) 1988-03-17

Similar Documents

Publication Publication Date Title
DK162838C (da) Fremgangsmaade til fremstilling af glasraaemne til optiske fibre
DK89785D0 (da) Fremgangsmaade til fremstilling af glasraaemne til optiske fibre
DK164222C (da) Fremgangsmaade til fremstilling af glasraaemne til optiske fibre
DK158940C (da) Fremgangsmaade til fremstilling af raaemne til optiske fibre
DK158939C (da) Fremgangsmaade til fremstilling af raaemne til optiske fibre
DK478986A (da) Fremgangsmaade til fremstilling af optiske fibre
DK612289A (da) Fremgangsmaade til fremstilling af optiske fibre ved oploesnings-doteringsteknikken
DK455085A (da) Fremgangsmaade til fremstilling af glasraaemne til optiske fibre
DK158897C (da) Optisk kvartsglasfiber
DK164099C (da) Fremgangsmaade til fremstilling af glasraaemne til optiske fibre
DK267985A (da) Fremgangsmaade til fremstilling af glasraaemne til optiske fibre
DK400585A (da) Fremgangsmaade til fremstilling af raaemne til optiske fibre
NO832708L (no) Fremgangsmaate til fremstilling av optiske glassfiber
DK258285A (da) Fremgangsmaade til fremstilling af glasraaemne til optiske fibre
DK372185D0 (da) Fremgangsmaade til fremstilling af raaemne til optiske fibre
IT1139369B (it) Metodo di giuntaggio per fusione di fibre ottiche
DK389084D0 (da) Glas til optiske fibre
DK38581A (da) Fremgangsmaade til fremstilling af optiske glasfibre samt optiske glasfibre
DK507484D0 (da) Fremgangsmaade til fremstilling af optisk fiberformemne
FR2540997B1 (fr) Procede de fabrication de fibres optiques
KR850003367A (ko) 광 파이버용 유리모제의 제조방법
DK163425C (da) Fremgangsmaade til fremstilling af et raaemne til optiske fibre

Legal Events

Date Code Title Description
PBP Patent lapsed

Country of ref document: DK