DK0405580T3 - Fremgangsmåde til termisk behandling af glasfiberpræform - Google Patents

Fremgangsmåde til termisk behandling af glasfiberpræform

Info

Publication number
DK0405580T3
DK0405580T3 DK90112460.2T DK90112460T DK0405580T3 DK 0405580 T3 DK0405580 T3 DK 0405580T3 DK 90112460 T DK90112460 T DK 90112460T DK 0405580 T3 DK0405580 T3 DK 0405580T3
Authority
DK
Denmark
Prior art keywords
thermal treatment
fiberglass preform
preform
fiberglass
thermal
Prior art date
Application number
DK90112460.2T
Other languages
English (en)
Inventor
Shinji Ishikawa
Yuichi Ohga
Ichiro Tsuchiya
Hiroo Kanamori
Hiroshi Yokota
Michihisa Kyoto
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
Application granted granted Critical
Publication of DK0405580T3 publication Critical patent/DK0405580T3/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
    • 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
    • C03B37/0146—Furnaces therefor, e.g. muffle tubes, furnace linings
    • 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
    • C03B2201/07—Impurity concentration specified
    • 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
    • C03B2201/07—Impurity concentration specified
    • C03B2201/075—Hydroxyl ion (OH)
    • 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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Thermal Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Compositions (AREA)
DK90112460.2T 1989-06-29 1990-06-29 Fremgangsmåde til termisk behandling af glasfiberpræform DK0405580T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16769589 1989-06-29

Publications (1)

Publication Number Publication Date
DK0405580T3 true DK0405580T3 (da) 1994-03-28

Family

ID=15854514

Family Applications (2)

Application Number Title Priority Date Filing Date
DK90112460.2T DK0405580T3 (da) 1989-06-29 1990-06-29 Fremgangsmåde til termisk behandling af glasfiberpræform
DK92119449.4T DK0529694T3 (da) 1989-06-29 1990-06-29 Fremgangsmåde til termisk behandling af en glasfiber-præform

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK92119449.4T DK0529694T3 (da) 1989-06-29 1990-06-29 Fremgangsmåde til termisk behandling af en glasfiber-præform

Country Status (10)

Country Link
US (2) US5106401A (da)
EP (2) EP0405580B1 (da)
JP (2) JPH03131544A (da)
CN (1) CN1029952C (da)
AU (2) AU632336B2 (da)
CA (1) CA2019919A1 (da)
DE (2) DE69006940T2 (da)
DK (2) DK0405580T3 (da)
ES (2) ES2094265T3 (da)
NO (1) NO178022C (da)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU626362B2 (en) * 1988-12-29 1992-07-30 Sumitomo Electric Industries, Ltd. Furnace for producing high purity quartz glass preform
US5259856A (en) * 1989-09-06 1993-11-09 Sumitomo Electric Industrial, Ltd. Method of producing glass preform in furnace for heating glass
CA2025880A1 (en) * 1989-09-25 1991-03-26 Ichiro Tsuchiya Furnace for production of optical fiber preform
DE4133173A1 (de) * 1991-10-07 1993-04-22 Rheydt Kabelwerk Ag Verfahren zum herstellen einer vorform fuer optische fasern
JP3175247B2 (ja) * 1991-12-16 2001-06-11 住友電気工業株式会社 光ファイバ用多孔質母材の加熱透明化方法
JP3060782B2 (ja) * 1993-06-08 2000-07-10 住友電気工業株式会社 高純度透明ガラスの製造方法
US5653779A (en) * 1994-06-30 1997-08-05 Heraeus Quarzglas Gmbh Method for manufacturing quartz glass components and molding frame therefor
JP3845906B2 (ja) * 1996-08-09 2006-11-15 住友電気工業株式会社 合成シリカガラスの製造方法
DK0867412T3 (da) * 1997-03-27 2001-06-18 Cit Alcatel Termisk isolation til en ovn til trækning af optiske fibre
JP2001521871A (ja) * 1997-10-31 2001-11-13 コーニング インコーポレイテッド 導波路ファイバの線引き装置及びその方法
US6543257B1 (en) * 1999-05-28 2003-04-08 The Furukawa Electric Co., Ltd. Dehydration and sintering apparatus for porous optical fiber preform
KR100346112B1 (ko) * 1999-12-22 2002-08-01 삼성전자 주식회사 솔-젤 공법을 채용한 광섬유 모재 제조공정의 소결공정에서 오버 자켓팅 튜브 소결장치 및 그 방법
DE10020033C2 (de) * 2000-04-22 2003-04-03 Heraeus Quarzglas Vorrichtung zum Sintern eines Formkörpers
JP4379554B2 (ja) * 2000-09-01 2009-12-09 住友電気工業株式会社 光ファイバ母材の脱水焼結方法
JP2002154838A (ja) * 2000-11-16 2002-05-28 Shin Etsu Chem Co Ltd 光ファイバ用ガラス母材の製造方法
AU2002239497A1 (en) * 2000-12-20 2002-07-01 Corning Incorporated Method of doping an optical fiber preform with fluorine
EP1373151A1 (en) * 2001-02-24 2004-01-02 Corning Incorporated Oxygen doping of silicon oxyfluoride glass
JP4043728B2 (ja) * 2001-04-04 2008-02-06 古河電気工業株式会社 光ファイバ線引炉
US6606883B2 (en) * 2001-04-27 2003-08-19 Corning Incorporated Method for producing fused silica and doped fused silica glass
CN100345782C (zh) * 2001-06-28 2007-10-31 古河电气工业株式会社 光纤预制体的制造方法以及烧结装置
US8037717B2 (en) * 2001-10-26 2011-10-18 Corning Incorporated Methods and apparatus for pulsed doping or drying a soot preform
JP2004002106A (ja) * 2002-05-31 2004-01-08 Shin Etsu Chem Co Ltd 低損失光ファイバ母材とその製造方法
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
US20040057692A1 (en) * 2002-08-28 2004-03-25 Ball Laura J. Low loss optical fiber and method for making same
US6935050B2 (en) 2002-12-04 2005-08-30 Corning Incorporated Method and apparatus reducing metal impurities in optical fiber soot preforms
JP2004218956A (ja) * 2003-01-16 2004-08-05 Ngk Insulators Ltd 基板の熱処理方法及び熱処理炉
JP2007504080A (ja) * 2003-08-29 2007-03-01 コーニング インコーポレイテッド アルカリ金属酸化物を含有する光ファイバおよびその製造方法と装置
US20050092231A1 (en) * 2003-10-29 2005-05-05 Hawtof Daniel W. Method and apparatus for making crystals without a pre-melt step
US7866189B2 (en) * 2003-12-08 2011-01-11 Fujikura Ltd. Dehydration-sintering furnace, a manufacturing method of an optical fiber preform utilizing the furnace and an optical fiber preform manufactured by the method
CN1317212C (zh) * 2004-04-29 2007-05-23 斯德莱特光学技术有限公司 一种在1380nm波长区域内低衰减光纤及其制备方法
US20050257571A1 (en) * 2004-05-18 2005-11-24 The Furukawa Electric Co, Ltd. Method and apparatus for manufacturing a glass preform
US20060130530A1 (en) * 2004-12-21 2006-06-22 Anderson James G Method of doping silica glass with an alkali metal, and optical fiber precursor formed therefrom
WO2007061561A2 (en) * 2005-11-23 2007-05-31 Corning Incorporated Low attenuation non-zero dispersion shifted optical fiber
FR2903501B1 (fr) * 2006-07-04 2008-08-22 Draka Comteq France Sa Fibre optique dopee au fluor
US7848606B1 (en) 2008-03-13 2010-12-07 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Eliminating crystals in non-oxide optical fiber preforms and optical fibers
US20100122558A1 (en) * 2008-11-19 2010-05-20 John Michael Jewell Apparatus and Method of Sintering an Optical Fiber Preform
JP5298186B2 (ja) * 2009-03-12 2013-09-25 株式会社フジクラ 光ファイバ母材の製造方法
JP5503339B2 (ja) * 2009-03-16 2014-05-28 古河電気工業株式会社 多孔質ガラス母材の脱水焼結用加熱炉
JP2012188314A (ja) * 2011-03-10 2012-10-04 Shin-Etsu Chemical Co Ltd フッ素含有光ファイバ母材の製造方法及びフッ素含有光ファイバ母材
US20130248510A1 (en) * 2012-03-26 2013-09-26 Binggang Weng Electric heater capable of automatic heating
JP6025604B2 (ja) * 2013-02-21 2016-11-16 株式会社フジクラ ガラス母材の製造装置
CN104529148B (zh) * 2014-12-29 2017-04-12 长飞光纤光缆股份有限公司 一种光纤粉末疏松棒体的脱水装置及方法
CN104761138A (zh) * 2015-03-16 2015-07-08 江苏通鼎光棒有限公司 一种用于vad和ovd疏松体烧结的装置和方法
CN106116121A (zh) * 2016-08-31 2016-11-16 中国建筑材料科学研究总院 石英玻璃的制备方法及石英玻璃
JP6864641B2 (ja) * 2018-03-20 2021-04-28 信越化学工業株式会社 光ファイバ用多孔質ガラス母材の焼結方法
IT201800009920A1 (it) 2018-10-30 2020-04-30 Prysmian Spa Metodo per fabbricare una preforma di vetro per fibre ottiche

Family Cites Families (21)

* 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
US4125388A (en) * 1976-12-20 1978-11-14 Corning Glass Works Method of making optical waveguides
US4126436A (en) * 1977-12-05 1978-11-21 Corning Glass Works Apparatus for minimizing drawn filament diameter variation
US4298365A (en) * 1980-07-03 1981-11-03 Corning Glass Works Method of making a soot preform compositional profile
JPS5858299A (ja) * 1981-09-30 1983-04-06 Daido Steel Co Ltd 金属電極
US4450333A (en) * 1982-05-28 1984-05-22 At&T Technologies, Inc. Zirconia induction furnace
JPS59184734A (ja) * 1983-04-06 1984-10-20 Furukawa Electric Co Ltd:The 光学系多孔質ガラスの透明ガラス化法
US4629485A (en) * 1983-09-26 1986-12-16 Corning Glass Works Method of making fluorine doped optical preform and fiber and resultant articles
JPS60145923A (ja) * 1984-01-05 1985-08-01 Sumitomo Electric Ind Ltd 光フアイバ用母材の製造装置
JPS60239337A (ja) * 1984-05-15 1985-11-28 Sumitomo Electric Ind Ltd 光フアイバ−用ガラス母材の製造法
JPS6126522A (ja) * 1984-07-12 1986-02-05 Seiko Epson Corp 石英ガラスの製造方法
CA1271316A (en) * 1984-12-21 1990-07-10 Koichi Abe Optical waveguide manufacture
JPS61201634A (ja) * 1985-03-01 1986-09-06 Sumitomo Electric Ind Ltd 光フアイバ用母材の製造方法
JPS61215226A (ja) * 1985-03-22 1986-09-25 Furukawa Electric Co Ltd:The 光学系ガラスス−ト用透明ガラス化炉
JPS62275035A (ja) * 1985-05-07 1987-11-30 Sumitomo Electric Ind Ltd 光フアイバ用母材の製造方法
US4741748A (en) * 1986-01-30 1988-05-03 Corning Glass Works Heating oven for preparing optical waveguide fibers
DE3885184T2 (de) * 1987-02-16 1994-04-14 Sumitomo Electric Industries Ofen zum erwärmen von glaswerkstoffen für optische fasern und verfahren zur herstellung.
EP0542724B1 (en) * 1987-02-16 1996-06-12 Sumitomo Electric Industries Limited Furnace for heating glass preform for optical fiber and method for producing glass preform
DE3711281C1 (de) * 1987-04-03 1988-06-16 Heraeus Schott Quarzschmelze Verfahren zum Verglasen eines poroesen,aus Glasruss bestehenden Koerpers und Ofen zu dessen Durchfuehrung
JPH01183430A (ja) * 1988-01-14 1989-07-21 Sumitomo Electric Ind Ltd 多孔質光ファイバ母材の脱水焼結炉
JPH0269328A (ja) * 1988-09-06 1990-03-08 Sumitomo Electric Ind Ltd 光ファイバ用母材の製造方法

Also Published As

Publication number Publication date
CN1029952C (zh) 1995-10-11
EP0405580A2 (en) 1991-01-02
NO178022C (no) 1996-01-10
AU5774790A (en) 1991-01-03
DE69006940D1 (de) 1994-04-07
CA2019919A1 (en) 1990-12-29
CN1048372A (zh) 1991-01-09
US5306322A (en) 1994-04-26
AU645692B2 (en) 1994-01-20
EP0405580A3 (en) 1991-02-06
DE69028414D1 (de) 1996-10-10
EP0529694B1 (en) 1996-09-04
EP0529694A2 (en) 1993-03-03
US5106401A (en) 1992-04-21
EP0529694A3 (en) 1993-06-02
AU632336B2 (en) 1992-12-24
NO902897L (no) 1991-01-02
JPH03131544A (ja) 1991-06-05
ES2052107T3 (es) 1994-07-01
DK0529694T3 (da) 1996-12-02
EP0405580B1 (en) 1994-03-02
NO178022B (no) 1995-10-02
DE69006940T2 (de) 1994-07-14
ES2094265T3 (es) 1997-01-16
AU1825192A (en) 1992-08-06
NO902897D0 (no) 1990-06-28
JPH04119939A (ja) 1992-04-21
DE69028414T2 (de) 1997-02-06

Similar Documents

Publication Publication Date Title
DK0405580T3 (da) Fremgangsmåde til termisk behandling af glasfiberpræform
DK0518874T3 (da) Fremgangsmåde til fremstilling af tagatose
DK0401044T3 (da) Fremgangsmåde til fremstilling af absorberende polymerer
DK637689A (da) Fremgangsmaade til fremstilling af glas- eller mineralfibermaterialer
DK0670835T3 (da) Fremgangsmåde til fremstilling af benzopyranforbindelser
DK0395144T3 (da) Fremgangsmåde til fremtilling af aromatiske urinstoffer
DK0756597T3 (da) Fremgangsmåde til fremstilling af puriner
DK0538303T3 (da) Fremgangsmåde til fremstilling af cycliske sulfater
DK601187A (da) Fremgangsmaade til deaktivering af varmebestandige enzymer
DK0417680T3 (da) Fremgangsmåde til fremstilling af 1,1,1,2-tetrafluorethan
IT9020783A0 (it) trattamente termico
DE69412300D1 (de) Vorrichtung zur Herstellung von Glasvorformen
FI941397A0 (fi) Menetelmä metyyliformiaatin valmistamiseksi
DK0648738T3 (da) Fremgangsmåde til fremstilling af acetoacetarylamider
PT90502A (pt) Processo para o tratamento de fibras ceramicas
DK0384542T3 (da) Fremgangsmåde til fremstilling af sekundær akylamin
DK0465373T3 (da) Fremgangsmåde til fremstilling af kappa-carragenaner
DK0648748T3 (da) Fremgangsmåde til fremstilling af 5-acetoacetylaminobenzimidazolon-2
DK0388620T3 (da) Fremgangsmåde til fremstilling af o-carboxy-pyridyl- og o-carboxyquinolylimidazolinoner
DK0427287T3 (da) Fremgangsmåde til fremstilling af indoler
DK0409321T3 (da) Fremgangsmåde til fremstilling af delta-lactoner
FI961178A0 (fi) Menetelmä syklisten cis-1-amino-2-alkanolien valmistamiseksi
DK0621264T3 (da) Fremgangsmåde til fremstilling af arylbenzylethere
DK222890A (da) Apparat til varmebehandling af polydispergerede materialer
DK0377437T3 (da) Fremgangsmåde til fremstilling af 2,4-diamino-6-piperidinylpyrimidin-3-N-oxid