JPS5595635A - Production of glass base material for optical fiber - Google Patents

Production of glass base material for optical fiber

Info

Publication number
JPS5595635A
JPS5595635A JP13579A JP13579A JPS5595635A JP S5595635 A JPS5595635 A JP S5595635A JP 13579 A JP13579 A JP 13579A JP 13579 A JP13579 A JP 13579A JP S5595635 A JPS5595635 A JP S5595635A
Authority
JP
Japan
Prior art keywords
gas
torch
spouting
holes
glass
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP13579A
Other languages
Japanese (ja)
Other versions
JPS5719059B2 (en
Inventor
Masao Kawachi
Shoichi Sudo
Noriyoshi Shibata
Akira Tomaru
Takao Edahiro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP13579A priority Critical patent/JPS5595635A/en
Publication of JPS5595635A publication Critical patent/JPS5595635A/en
Publication of JPS5719059B2 publication Critical patent/JPS5719059B2/ja
Granted legal-status Critical Current

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
    • C03B2207/00—Glass deposition burners
    • C03B2207/04—Multi-nested ports
    • 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
    • C03B2207/12—Nozzle or orifice plates
    • 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
    • C03B2207/16—Non-circular ports, e.g. square or oval
    • 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
    • C03B2207/26—Multiple ports for glass precursor
    • C03B2207/28—Multiple ports for glass precursor for different glass precursors, reactants or modifiers

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)

Abstract

PURPOSE:To stably grow a porous glass sintered body while preventing consumption of a torch for synthesizing glass fine particles by surrounding torch holes for spouting a glass forming raw material gas and a combustible gas by holes for spouting an inert gas and a combustion improving gas. CONSTITUTION:A mixed gas of a glass raw material gas such as SiCl4 and a combustible gas such as H2 is spouted from spouting holes 41, 42 of a torch for synthesizing glass fine particles. An inert gas such as Ar or He is spouted from spouting hole 43 surrounding holes 41, 42, and a combustion improving gas such as O2 from spouting hole 44 surrounding hole 43. Thus, the raw material gas is hydrolyzed or thermally decomposed in an oxyhydrogen flame to form a round-rodlike porous glass sintered body as an optical fiber base material. By this torch form the flame is formed from an position several mm or more away from the torch tip, so consumption of partition wall 45 due to high temp. is prevented, thereby stabilizing the dimensional accuracy and refractive index distribution of the sintered body.
JP13579A 1979-01-08 1979-01-08 Production of glass base material for optical fiber Granted JPS5595635A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13579A JPS5595635A (en) 1979-01-08 1979-01-08 Production of glass base material for optical fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13579A JPS5595635A (en) 1979-01-08 1979-01-08 Production of glass base material for optical fiber

Publications (2)

Publication Number Publication Date
JPS5595635A true JPS5595635A (en) 1980-07-21
JPS5719059B2 JPS5719059B2 (en) 1982-04-20

Family

ID=11465581

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13579A Granted JPS5595635A (en) 1979-01-08 1979-01-08 Production of glass base material for optical fiber

Country Status (1)

Country Link
JP (1) JPS5595635A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5654244A (en) * 1979-10-12 1981-05-14 Hitachi Ltd Preparation of optical fiber matrix
JPS59232933A (en) * 1983-06-15 1984-12-27 Sumitomo Electric Ind Ltd Production of preform for optical fiber

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5654244A (en) * 1979-10-12 1981-05-14 Hitachi Ltd Preparation of optical fiber matrix
JPS6259063B2 (en) * 1979-10-12 1987-12-09 Hitachi Seisakusho Kk
JPS59232933A (en) * 1983-06-15 1984-12-27 Sumitomo Electric Ind Ltd Production of preform for optical fiber
JPS6144822B2 (en) * 1983-06-15 1986-10-04 Sumitomo Denki Kogyo Kk

Also Published As

Publication number Publication date
JPS5719059B2 (en) 1982-04-20

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