JPH0559052B2 - - Google Patents

Info

Publication number
JPH0559052B2
JPH0559052B2 JP10621784A JP10621784A JPH0559052B2 JP H0559052 B2 JPH0559052 B2 JP H0559052B2 JP 10621784 A JP10621784 A JP 10621784A JP 10621784 A JP10621784 A JP 10621784A JP H0559052 B2 JPH0559052 B2 JP H0559052B2
Authority
JP
Japan
Prior art keywords
base material
porous base
core
porous
refractive index
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.)
Expired - Lifetime
Application number
JP10621784A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60251142A (ja
Inventor
Fumiaki Hanawa
Yasuji Oomori
Motohiro Nakahara
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.)
NTT Inc
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 JP10621784A priority Critical patent/JPS60251142A/ja
Publication of JPS60251142A publication Critical patent/JPS60251142A/ja
Publication of JPH0559052B2 publication Critical patent/JPH0559052B2/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
    • 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]
    • C03B37/01446—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
    • C03B2207/00—Glass deposition burners
    • C03B2207/30—For glass precursor of non-standard type, e.g. solid SiH3F
    • 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
    • C03B2207/54—Multiple burner arrangements combined with means for heating the deposit, e.g. non-deposition burner

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)
JP10621784A 1984-05-25 1984-05-25 光フアイバ用母材の製造方法 Granted JPS60251142A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10621784A JPS60251142A (ja) 1984-05-25 1984-05-25 光フアイバ用母材の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10621784A JPS60251142A (ja) 1984-05-25 1984-05-25 光フアイバ用母材の製造方法

Publications (2)

Publication Number Publication Date
JPS60251142A JPS60251142A (ja) 1985-12-11
JPH0559052B2 true JPH0559052B2 (enExample) 1993-08-30

Family

ID=14427978

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10621784A Granted JPS60251142A (ja) 1984-05-25 1984-05-25 光フアイバ用母材の製造方法

Country Status (1)

Country Link
JP (1) JPS60251142A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6317236A (ja) * 1986-07-04 1988-01-25 Sumitomo Electric Ind Ltd 光フアイバ用母材の製造方法
JPH0196039A (ja) * 1987-10-07 1989-04-14 Sumitomo Electric Ind Ltd 光フアイバ用母材の製造方法
JPH01160839A (ja) * 1987-12-18 1989-06-23 Nippon Telegr & Teleph Corp <Ntt> 光ファイバ用母材の製造方法
JP3457848B2 (ja) * 1997-06-19 2003-10-20 京セラ株式会社 光導波路の製造方法
JP3470016B2 (ja) * 1997-07-31 2003-11-25 京セラ株式会社 光集積回路基板の製造方法

Also Published As

Publication number Publication date
JPS60251142A (ja) 1985-12-11

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term