JPH0535692B2 - - Google Patents

Info

Publication number
JPH0535692B2
JPH0535692B2 JP62180618A JP18061887A JPH0535692B2 JP H0535692 B2 JPH0535692 B2 JP H0535692B2 JP 62180618 A JP62180618 A JP 62180618A JP 18061887 A JP18061887 A JP 18061887A JP H0535692 B2 JPH0535692 B2 JP H0535692B2
Authority
JP
Japan
Prior art keywords
core
porous body
gas
base material
burner
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
JP62180618A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6424044A (en
Inventor
Toshiki Tsutsumi
Fumiaki Hanawa
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
Tatsuta Electric Wire and Cable Co Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Tatsuta Electric Wire and Cable Co Ltd
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, Tatsuta Electric Wire and Cable Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP18061887A priority Critical patent/JPS6424044A/ja
Publication of JPS6424044A publication Critical patent/JPS6424044A/ja
Publication of JPH0535692B2 publication Critical patent/JPH0535692B2/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
    • 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
    • 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
    • C03B2207/10—Split 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
    • C03B2207/16—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
    • C03B2207/22—Inert gas details
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/60—Relationship between burner and deposit, e.g. position
    • C03B2207/64—Angle

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)
JP18061887A 1987-07-20 1987-07-20 Production of porous base material for optical fiber Granted JPS6424044A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18061887A JPS6424044A (en) 1987-07-20 1987-07-20 Production of porous base material for optical fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18061887A JPS6424044A (en) 1987-07-20 1987-07-20 Production of porous base material for optical fiber

Publications (2)

Publication Number Publication Date
JPS6424044A JPS6424044A (en) 1989-01-26
JPH0535692B2 true JPH0535692B2 (enrdf_load_stackoverflow) 1993-05-27

Family

ID=16086370

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18061887A Granted JPS6424044A (en) 1987-07-20 1987-07-20 Production of porous base material for optical fiber

Country Status (1)

Country Link
JP (1) JPS6424044A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01208339A (ja) * 1988-02-15 1989-08-22 Tatsuta Electric Wire & Cable Co Ltd 光ファイバ用多孔質母材の製造方法
WO2017026165A1 (ja) 2015-08-11 2017-02-16 三菱エンジニアリングプラスチックス株式会社 ポリカーボネート樹脂ペレットおよびその製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5852260Y2 (ja) * 1979-05-22 1983-11-29 日本電信電話株式会社 ステツプ型光フアイバ母材作製用ト−チ
JPS6041627B2 (ja) * 1980-07-11 1985-09-18 日本電信電話株式会社 光ファイバ母材の製造方法
JPS6046939A (ja) * 1983-08-22 1985-03-14 Fujikura Ltd 光フアイバ用ガラスプリフオ−ムの製造方法
JP2853291B2 (ja) * 1990-07-20 1999-02-03 日本電気株式会社 干渉除去空中線制御装置

Also Published As

Publication number Publication date
JPS6424044A (en) 1989-01-26

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