JPS6353138B2 - - Google Patents

Info

Publication number
JPS6353138B2
JPS6353138B2 JP3480A JP3480A JPS6353138B2 JP S6353138 B2 JPS6353138 B2 JP S6353138B2 JP 3480 A JP3480 A JP 3480A JP 3480 A JP3480 A JP 3480A JP S6353138 B2 JPS6353138 B2 JP S6353138B2
Authority
JP
Japan
Prior art keywords
base material
torch
porous base
synthetic
preform
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
Application number
JP3480A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5696740A (en
Inventor
Shoichi Sudo
Fumiaki Hanawa
Masao Kawachi
Takao Edahiro
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.)
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 JP3480A priority Critical patent/JPS5696740A/ja
Priority to US06/188,916 priority patent/US4367085A/en
Priority to CA000360818A priority patent/CA1164737A/en
Priority to DE3036915A priority patent/DE3036915C2/de
Priority to GB8031821A priority patent/GB2059944B/en
Priority to NLAANVRAGE8005546,A priority patent/NL189814C/xx
Priority to FR8021512A priority patent/FR2467180B1/fr
Priority to IT25227/80A priority patent/IT1133839B/it
Publication of JPS5696740A publication Critical patent/JPS5696740A/ja
Priority to GB08301031A priority patent/GB2128982B/en
Priority to GB08301030A priority patent/GB2128981B/en
Publication of JPS6353138B2 publication Critical patent/JPS6353138B2/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]
    • C03B37/0144—Means for after-treatment or catching of worked reactant gases
    • 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
    • C03B37/012—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
    • 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
    • C03B2203/24—Single mode [SM or monomode]
    • 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
    • C03B2207/06—Concentric circular ports
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2207/00—Glass deposition burners
    • C03B2207/04—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
    • C03B2207/04—Multi-nested ports
    • C03B2207/18—Eccentric 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
    • C03B2207/42—Assembly details; Material or dimensions of burner; Manifolds or supports
    • 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
    • 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
    • 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)
JP3480A 1979-10-09 1980-01-07 Preparation of optical fiber matrix Granted JPS5696740A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP3480A JPS5696740A (en) 1980-01-07 1980-01-07 Preparation of optical fiber matrix
US06/188,916 US4367085A (en) 1980-01-07 1980-09-19 Method of fabricating multi-mode optical fiber preforms
CA000360818A CA1164737A (en) 1980-01-07 1980-09-23 Fabrication method of a multi-mode optical fiber preform
DE3036915A DE3036915C2 (de) 1979-10-09 1980-09-30 Verfahren und Vorrichtung zur Herstellung von Lichtleitfaserausgangsformen sowie deren Verwendung zum Ziehen von Lichtleitfasern
GB8031821A GB2059944B (en) 1979-10-09 1980-10-02 Fabrication method of optical fibre preforms
NLAANVRAGE8005546,A NL189814C (nl) 1979-10-09 1980-10-07 Werkwijze voor het vervaardigen van voorlopig gevormde optische vezels; kerntoorts voor het vervaardigen van voorlopig gevormde, poreuze kernwerkstukken.
FR8021512A FR2467180B1 (fr) 1979-10-09 1980-10-08 Procede de fabrication d'une preforme de fibre optique et torche pour noyau pour fabrication de preformes poreuses
IT25227/80A IT1133839B (it) 1979-10-09 1980-10-09 Procedimento per la fabbricazione di preformati per fibre ottiche
GB08301031A GB2128982B (en) 1979-10-09 1983-01-14 Fabrication method of optical fiber preforms
GB08301030A GB2128981B (en) 1979-10-09 1983-01-14 Fabrication method of optical fiber preforms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3480A JPS5696740A (en) 1980-01-07 1980-01-07 Preparation of optical fiber matrix

Publications (2)

Publication Number Publication Date
JPS5696740A JPS5696740A (en) 1981-08-05
JPS6353138B2 true JPS6353138B2 (enExample) 1988-10-21

Family

ID=11463055

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3480A Granted JPS5696740A (en) 1979-10-09 1980-01-07 Preparation of optical fiber matrix

Country Status (1)

Country Link
JP (1) JPS5696740A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59128227A (ja) * 1983-01-12 1984-07-24 Hitachi Cable Ltd 光フアイバ母材の製造方法

Also Published As

Publication number Publication date
JPS5696740A (en) 1981-08-05

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