NO177345C - Fremgangsmåte for fremstilling av et poröst emne for anvendelse ved fremstilling av optiske fibre - Google Patents

Fremgangsmåte for fremstilling av et poröst emne for anvendelse ved fremstilling av optiske fibre

Info

Publication number
NO177345C
NO177345C NO903749A NO903749A NO177345C NO 177345 C NO177345 C NO 177345C NO 903749 A NO903749 A NO 903749A NO 903749 A NO903749 A NO 903749A NO 177345 C NO177345 C NO 177345C
Authority
NO
Norway
Prior art keywords
preparation
production
optical fibers
porous blank
blank
Prior art date
Application number
NO903749A
Other languages
English (en)
Other versions
NO903749L (no
NO177345B (no
NO903749D0 (no
Inventor
Yuichi Ohga
Toshio Denzuka
Hiroo Kanamori
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
Priority claimed from JP1218599A external-priority patent/JPH02263725A/ja
Application filed by Sumitomo Electric Industries filed Critical Sumitomo Electric Industries
Publication of NO903749D0 publication Critical patent/NO903749D0/no
Publication of NO903749L publication Critical patent/NO903749L/no
Publication of NO177345B publication Critical patent/NO177345B/no
Publication of NO177345C publication Critical patent/NO177345C/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]
    • C03B37/01413—Reactant delivery systems
    • C03B37/0142—Reactant deposition burners
    • 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]
    • C03B37/018—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] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • 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
    • 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
    • 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
    • C03B2203/26—Parabolic or graded index [GRIN] core profile
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/04—Multi-nested ports
    • C03B2207/06—Concentric circular ports
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/20—Specific substances in specified ports, e.g. all gas flows specified
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/20—Specific substances in specified ports, e.g. all gas flows specified
    • C03B2207/24—Multiple flame type, e.g. double-concentric flame
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/20—Specific substances in specified ports, e.g. all gas flows specified
    • C03B2207/26—Multiple ports for glass precursor
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/20—Specific substances in specified ports, e.g. all gas flows specified
    • C03B2207/26—Multiple ports for glass precursor
    • C03B2207/28—Multiple ports for glass precursor for different glass precursors, reactants or modifiers
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/50—Multiple burner arrangements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth 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)
NO903749A 1989-08-28 1990-08-27 Fremgangsmåte for fremstilling av et poröst emne for anvendelse ved fremstilling av optiske fibre NO177345C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1218599A JPH02263725A (ja) 1988-12-26 1989-08-28 光ファイバ用多孔質母材の製造方法

Publications (4)

Publication Number Publication Date
NO903749D0 NO903749D0 (no) 1990-08-27
NO903749L NO903749L (no) 1991-03-01
NO177345B NO177345B (no) 1995-05-22
NO177345C true NO177345C (no) 1995-08-30

Family

ID=16722485

Family Applications (1)

Application Number Title Priority Date Filing Date
NO903749A NO177345C (no) 1989-08-28 1990-08-27 Fremgangsmåte for fremstilling av et poröst emne for anvendelse ved fremstilling av optiske fibre

Country Status (11)

Country Link
EP (1) EP0415341B1 (no)
KR (1) KR930001938B1 (no)
AU (1) AU643451B2 (no)
BR (1) BR9004223A (no)
CA (1) CA2023445A1 (no)
DE (1) DE69006138T2 (no)
ES (1) ES2050323T3 (no)
FI (1) FI91146C (no)
HK (1) HK51895A (no)
NO (1) NO177345C (no)
SG (1) SG29195G (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100403823B1 (ko) * 1994-07-30 2004-01-28 삼성전자주식회사 광섬유의제조방법
EP0978487A3 (en) * 1998-08-07 2001-02-21 Corning Incorporated Sealed, nozzle-mix burners for silica deposition

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4345928A (en) * 1979-10-09 1982-08-24 Nippon Telegraph & Telephone Public Corporation Fabrication method of single-mode optical fiber preforms
CA1284921C (en) * 1984-02-27 1991-06-18 Hiroyuki Suda Method, apparatus and burner for fabricating an optical fiber preform

Also Published As

Publication number Publication date
EP0415341B1 (en) 1994-01-19
DE69006138T2 (de) 1994-06-30
ES2050323T3 (es) 1994-05-16
BR9004223A (pt) 1991-09-03
EP0415341A1 (en) 1991-03-06
AU643451B2 (en) 1993-11-18
KR930001938B1 (ko) 1993-03-20
FI91146C (fi) 1994-05-25
NO903749L (no) 1991-03-01
HK51895A (en) 1995-04-13
NO177345B (no) 1995-05-22
KR910004488A (ko) 1991-03-28
FI91146B (fi) 1994-02-15
SG29195G (en) 1995-08-18
FI904218A0 (fi) 1990-08-27
DE69006138D1 (de) 1994-03-03
CA2023445A1 (en) 1991-03-01
NO903749D0 (no) 1990-08-27
AU6100490A (en) 1991-02-28

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