JPS5319036A - Preparation of fiber for optical transmission - Google Patents

Preparation of fiber for optical transmission

Info

Publication number
JPS5319036A
JPS5319036A JP9307076A JP9307076A JPS5319036A JP S5319036 A JPS5319036 A JP S5319036A JP 9307076 A JP9307076 A JP 9307076A JP 9307076 A JP9307076 A JP 9307076A JP S5319036 A JPS5319036 A JP S5319036A
Authority
JP
Japan
Prior art keywords
fiber
preparation
optical transmission
soot
shrinkage
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.)
Pending
Application number
JP9307076A
Other languages
Japanese (ja)
Inventor
Tatsuo Izawa
Masao Hoshikawa
Kunio Fujiwara
Kozo Yoshimura
Shiro Kurosaki
Gotaro Tanaka
Shuzo Suzuki
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.)
Sumitomo Electric Industries Ltd
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
Sumitomo Electric Industries 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, Sumitomo Electric Industries Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP9307076A priority Critical patent/JPS5319036A/en
Publication of JPS5319036A publication Critical patent/JPS5319036A/en
Pending 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]
    • C03B37/01466—Means for changing or stabilising the diameter or form of tubes or rods
    • 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]
    • 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
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/02—Upward drawing
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/30—Means for continuous drawing from a preform

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)

Abstract

PURPOSE:To produce continuously low loss fibers with good yield by sintering with heating a specific soot composite consisting of a soot-like glass cylinder and a soot-like glass rod, followed by shrinkage of diameter.
JP9307076A 1976-08-04 1976-08-04 Preparation of fiber for optical transmission Pending JPS5319036A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9307076A JPS5319036A (en) 1976-08-04 1976-08-04 Preparation of fiber for optical transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9307076A JPS5319036A (en) 1976-08-04 1976-08-04 Preparation of fiber for optical transmission

Publications (1)

Publication Number Publication Date
JPS5319036A true JPS5319036A (en) 1978-02-21

Family

ID=14072246

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9307076A Pending JPS5319036A (en) 1976-08-04 1976-08-04 Preparation of fiber for optical transmission

Country Status (1)

Country Link
JP (1) JPS5319036A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5770504A (en) * 1980-10-20 1982-05-01 Honeywell Inc Device for deciding moving direction of camera lens for automatic focusing device
JPS6046940A (en) * 1983-08-22 1985-03-14 Furukawa Electric Co Ltd:The Preparation of parent material for optical glass and its device
US4676814A (en) * 1985-06-15 1987-06-30 Heraeus Quarzschmelze Gmbh Method for the continuous building of a hollow cylindrical soot body having no internal support

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5770504A (en) * 1980-10-20 1982-05-01 Honeywell Inc Device for deciding moving direction of camera lens for automatic focusing device
JPS6046940A (en) * 1983-08-22 1985-03-14 Furukawa Electric Co Ltd:The Preparation of parent material for optical glass and its device
US4552576A (en) * 1983-08-22 1985-11-12 The Furukawa Electric Co., Ltd. Method of fabricating optical glass base material and apparatus for fabricating the same
US4676814A (en) * 1985-06-15 1987-06-30 Heraeus Quarzschmelze Gmbh Method for the continuous building of a hollow cylindrical soot body having no internal support

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