NO903879L - Ovn for oppvarming av et poroest glassemne for optiske fibre og fremstilling av glassemnet. - Google Patents

Ovn for oppvarming av et poroest glassemne for optiske fibre og fremstilling av glassemnet.

Info

Publication number
NO903879L
NO903879L NO90903879A NO903879A NO903879L NO 903879 L NO903879 L NO 903879L NO 90903879 A NO90903879 A NO 90903879A NO 903879 A NO903879 A NO 903879A NO 903879 L NO903879 L NO 903879L
Authority
NO
Norway
Prior art keywords
glass cover
poroest
oven
heating
manufacturing
Prior art date
Application number
NO90903879A
Other languages
English (en)
Other versions
NO903879D0 (no
NO300370B1 (no
Inventor
Yuichi Ohga
Shinji Ishikawa
Hiroo Kanamori
Ichiro Tsuchiya
Hiroshi Yokota
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 NO903879D0 publication Critical patent/NO903879D0/no
Publication of NO903879L publication Critical patent/NO903879L/no
Publication of NO300370B1 publication Critical patent/NO300370B1/no

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]
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Compositions (AREA)
NO903879A 1989-09-06 1990-09-05 Fremgangsmåte for fremstilling av et poröst glassemne for optiske fibre NO300370B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23237889 1989-09-06

Publications (3)

Publication Number Publication Date
NO903879D0 NO903879D0 (no) 1990-09-05
NO903879L true NO903879L (no) 1991-03-07
NO300370B1 NO300370B1 (no) 1997-05-20

Family

ID=16938294

Family Applications (1)

Application Number Title Priority Date Filing Date
NO903879A NO300370B1 (no) 1989-09-06 1990-09-05 Fremgangsmåte for fremstilling av et poröst glassemne for optiske fibre

Country Status (10)

Country Link
EP (1) EP0416614B1 (no)
JP (1) JP2808857B2 (no)
KR (1) KR0141593B1 (no)
AU (1) AU632360B2 (no)
CA (1) CA2024131A1 (no)
DE (1) DE69008461T2 (no)
DK (1) DK0416614T3 (no)
ES (1) ES2064570T3 (no)
FI (1) FI92817C (no)
NO (1) NO300370B1 (no)

Families Citing this family (10)

* 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
CA2025880A1 (en) * 1989-09-25 1991-03-26 Ichiro Tsuchiya Furnace for production of optical fiber preform
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
DE10020033C2 (de) * 2000-04-22 2003-04-03 Heraeus Quarzglas Vorrichtung zum Sintern eines Formkörpers
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
KR100577491B1 (ko) * 2004-06-28 2006-05-10 엘에스전선 주식회사 저손실 광섬유 및 그 제조방법
NL2020854B1 (en) 2018-03-22 2019-10-02 Corning Inc Method and apparatus for suppressing flow instabilities in an optical fiber draw system
WO2019183014A1 (en) * 2018-03-22 2019-09-26 Corning Incorporated Method and apparatus for suppressing flow instabilities in an optical fiber draw system
CN109336102B (zh) * 2018-11-20 2022-04-29 骆芳 一种石墨散热膜生产用真空碳化炉
EP4093710A1 (en) 2020-01-24 2022-11-30 Corning Incorporated Optical fiber draw furnace system and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2818550C2 (de) * 1977-04-30 1990-03-29 Sumitomo Electric Industries, Ltd., Osaka Vorrichtung zum Ziehen von optischen Fasern
DE3885184T2 (de) * 1987-02-16 1994-04-14 Sumitomo Electric Industries Ofen zum erwärmen von glaswerkstoffen für optische fasern und verfahren zur herstellung.
JPH02196045A (ja) * 1989-01-23 1990-08-02 Sumitomo Electric Ind Ltd 高純度石英母材製造用加熱炉
KR0140210B1 (ko) * 1989-03-30 1998-06-01 추네오 나카하라 석영모재 제조용 소결로
JPH0710533B2 (ja) * 1991-08-26 1995-02-08 三ツ星ベルト株式会社 一体発泡成形法

Also Published As

Publication number Publication date
NO903879D0 (no) 1990-09-05
CA2024131A1 (en) 1991-03-07
FI904390A0 (fi) 1990-09-06
ES2064570T3 (es) 1995-02-01
FI92817C (fi) 1995-01-10
EP0416614A1 (en) 1991-03-13
AU6213390A (en) 1991-03-14
DE69008461T2 (de) 1994-09-01
AU632360B2 (en) 1992-12-24
FI92817B (fi) 1994-09-30
DK0416614T3 (da) 1994-07-25
JP2808857B2 (ja) 1998-10-08
EP0416614B1 (en) 1994-04-27
NO300370B1 (no) 1997-05-20
JPH03183633A (ja) 1991-08-09
DE69008461D1 (de) 1994-06-01
KR910006160A (ko) 1991-04-27
KR0141593B1 (ko) 1998-06-01

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Legal Events

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