DK267985D0 - Fremgangsmaade til fremstilling af glasraaemne til optiske fibre - Google Patents

Fremgangsmaade til fremstilling af glasraaemne til optiske fibre

Info

Publication number
DK267985D0
DK267985D0 DK267985A DK267985A DK267985D0 DK 267985 D0 DK267985 D0 DK 267985D0 DK 267985 A DK267985 A DK 267985A DK 267985 A DK267985 A DK 267985A DK 267985 D0 DK267985 D0 DK 267985D0
Authority
DK
Denmark
Prior art keywords
optical fibers
glass frame
manufacturing glass
manufacturing
frame
Prior art date
Application number
DK267985A
Other languages
English (en)
Other versions
DK163658B (da
DK163658C (da
DK267985A (da
Inventor
Michihisa Kyoto
Minoru Watanabe
Shigeru Tanaka
Motohiro Nakahara
Original Assignee
Sumitomo Electric Industries
Nippon Telegraph & Telephone
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, Nippon Telegraph & Telephone filed Critical Sumitomo Electric Industries
Publication of DK267985D0 publication Critical patent/DK267985D0/da
Publication of DK267985A publication Critical patent/DK267985A/da
Publication of DK163658B publication Critical patent/DK163658B/da
Application granted granted Critical
Publication of DK163658C publication Critical patent/DK163658C/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
    • C03B37/10—Non-chemical treatment
    • C03B37/14—Re-forming fibres or filaments, i.e. changing their shape
    • 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
    • C03B2201/20—Doped silica-based glasses doped with non-metals other than boron or fluorine
    • C03B2201/28—Doped silica-based glasses doped with non-metals other than boron or fluorine doped with phosphorus
    • 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
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/31—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with germanium
    • 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)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Glass Compositions (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Melting And Manufacturing (AREA)
DK267985A 1984-06-18 1985-06-13 Fremgangsmaade til fremstilling af et glasraaemne til optiske fibre DK163658C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59123783A JP2549615B2 (ja) 1984-06-18 1984-06-18 光フアイバ用ガラス母材の焼結方法
JP12378384 1984-06-18

Publications (4)

Publication Number Publication Date
DK267985D0 true DK267985D0 (da) 1985-06-13
DK267985A DK267985A (da) 1985-12-19
DK163658B DK163658B (da) 1992-03-23
DK163658C DK163658C (da) 1992-08-17

Family

ID=14869180

Family Applications (1)

Application Number Title Priority Date Filing Date
DK267985A DK163658C (da) 1984-06-18 1985-06-13 Fremgangsmaade til fremstilling af et glasraaemne til optiske fibre

Country Status (8)

Country Link
US (1) US4902325A (da)
EP (1) EP0167054B1 (da)
JP (1) JP2549615B2 (da)
KR (1) KR890001123B1 (da)
AU (1) AU574793B2 (da)
CA (1) CA1265711A (da)
DE (1) DE3566528D1 (da)
DK (1) DK163658C (da)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6148437A (ja) * 1984-08-17 1986-03-10 Sumitomo Electric Ind Ltd ＧｅＯ↓２−ＳｉＯ↓２系ガラス母材の製造方法
JPS61174146A (ja) * 1985-01-25 1986-08-05 Sumitomo Electric Ind Ltd 光フアイバ及びその製造方法
DE3511439A1 (de) * 1985-03-29 1986-10-09 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur herstellung von glaskoerpern
US4741748A (en) * 1986-01-30 1988-05-03 Corning Glass Works Heating oven for preparing optical waveguide fibers
US5028246A (en) * 1986-02-03 1991-07-02 Ensign-Bickford Optical Technologies, Inc. Methods of making optical waveguides
DE3619510A1 (de) * 1986-06-10 1987-12-17 Philips Patentverwaltung Verfahren zur herstellung von glas- oder keramischen koerpern
JPH0791081B2 (ja) * 1986-07-03 1995-10-04 住友電気工業株式会社 シングルモ−ドフアイバ用ガラス母材の製造方法
ATE116448T1 (de) * 1989-06-09 1995-01-15 Heraeus Quarzglas Optische teile und rohlinge aus synthetischem siliziumdioxidglas und verfahren zu ihrer herstellung.
US6334338B1 (en) * 1998-07-02 2002-01-01 Lucent Technologies Inc. Sol gel process of making a fiber preform with removal of oxide particles
US6776012B2 (en) * 2001-06-26 2004-08-17 Fitel Usa Corp. Method of making an optical fiber using preform dehydration in an environment of chlorine-containing gas, fluorine-containing gases and carbon monoxide
US20020197005A1 (en) * 2001-06-26 2002-12-26 Chang Kai H. Method and apparatus for fabricating optical fiber using adjustment of oxygen stoichiometry
WO2005049516A1 (ja) 2003-11-18 2005-06-02 Fujikura Ltd. 光ファイバ裸線の線引方法、光ファイバ素線の製造方法、光ファイバ素線
US9018089B2 (en) * 2011-08-30 2015-04-28 International Business Machines Corporation Multiple step anneal method and semiconductor formed by multiple step anneal

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125388A (en) * 1976-12-20 1978-11-14 Corning Glass Works Method of making optical waveguides
JPS54103058A (en) * 1978-01-31 1979-08-14 Nippon Telegr & Teleph Corp <Ntt> Production of anhydride glass material for optical fibers
US4263031A (en) * 1978-06-12 1981-04-21 Corning Glass Works Method of producing glass optical filaments
JPS5688836A (en) * 1979-12-20 1981-07-18 Nippon Telegr & Teleph Corp <Ntt> Preparation of glass stock for optical fiber
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
US4304583A (en) * 1980-06-02 1981-12-08 Corning Glass Works Process for drying optical waveguide preforms
JPS60260436A (ja) * 1984-06-08 1985-12-23 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
KR890001123B1 (ko) 1989-04-24
DK163658B (da) 1992-03-23
JPS616144A (ja) 1986-01-11
EP0167054B1 (en) 1988-11-30
KR860000223A (ko) 1986-01-27
DE3566528D1 (en) 1989-01-05
DK163658C (da) 1992-08-17
DK267985A (da) 1985-12-19
JP2549615B2 (ja) 1996-10-30
CA1265711A (en) 1990-02-13
AU4367885A (en) 1986-01-02
EP0167054A1 (en) 1986-01-08
US4902325A (en) 1990-02-20
AU574793B2 (en) 1988-07-14

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