FR2314151B1 - - Google Patents

Info

Publication number
FR2314151B1
FR2314151B1 FR7614226A FR7614226A FR2314151B1 FR 2314151 B1 FR2314151 B1 FR 2314151B1 FR 7614226 A FR7614226 A FR 7614226A FR 7614226 A FR7614226 A FR 7614226A FR 2314151 B1 FR2314151 B1 FR 2314151B1
Authority
FR
France
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
FR7614226A
Other languages
French (fr)
Other versions
FR2314151A1 (fr
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of FR2314151A1 publication Critical patent/FR2314151A1/fr
Application granted granted Critical
Publication of FR2314151B1 publication Critical patent/FR2314151B1/fr
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01Manufacture of glass fibres or filaments
    • C03B37/012Manufacture of preforms for drawing fibres or filaments
    • C03B37/014Manufacture 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]
    • C03B37/018Manufacture 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] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • C03B37/01861Means for changing or stabilising the diameter or form of tubes or rods
    • C03B37/01869Collapsing
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01Manufacture of glass fibres or filaments
    • C03B37/012Manufacture of preforms for drawing fibres or filaments
    • C03B37/014Manufacture 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]
    • C03B37/018Manufacture 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] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod

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)
FR7614226A 1975-06-11 1976-05-12 Procede de production de fibres optiques Granted FR2314151A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6954375A JPS51146243A (en) 1975-06-11 1975-06-11 Process for manufacturing optical fiber

Publications (2)

Publication Number Publication Date
FR2314151A1 FR2314151A1 (fr) 1977-01-07
FR2314151B1 true FR2314151B1 (enrdf_load_stackoverflow) 1983-05-20

Family

ID=13405729

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7614226A Granted FR2314151A1 (fr) 1975-06-11 1976-05-12 Procede de production de fibres optiques

Country Status (4)

Country Link
JP (1) JPS51146243A (enrdf_load_stackoverflow)
DE (1) DE2625010C3 (enrdf_load_stackoverflow)
FR (1) FR2314151A1 (enrdf_load_stackoverflow)
GB (1) GB1501586A (enrdf_load_stackoverflow)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5248329A (en) * 1975-10-15 1977-04-18 Hitachi Ltd Method for preparation of optical fibers
DE2741854B2 (de) * 1976-09-20 1981-03-19 Hitachi, Ltd., Tokyo Verfahren zur Herstellung optischer Fasern
GB1562032A (en) * 1977-03-24 1980-03-05 Standard Telephones Cables Ltd Optical fibre manufacture
GB1551657A (en) * 1977-05-17 1979-08-30 Standard Telephones Cables Ltd Manufacture of optical fibres
US4184859A (en) * 1978-06-09 1980-01-22 International Telephone And Telegraph Corporation Method of fabricating an elliptical core single mode fiber
DE2907731A1 (de) * 1979-02-28 1980-09-04 Siemens Ag Verfahren zur herstellung eines glasfaser-lichtwellenleiters
DE2907833A1 (de) 1979-02-28 1980-09-11 Siemens Ag Verfahren zur herstellung von beschichteten glaskoerpern
US4251251A (en) 1979-05-31 1981-02-17 Corning Glass Works Method of making optical devices
DE2930704A1 (de) * 1979-07-28 1981-02-12 Licentia Gmbh Verfahren zur herstellung einer lichtleitfaser
US4426129A (en) 1980-01-11 1984-01-17 Hitachi, Ltd. Optical fiber and method of producing the same
US4298364A (en) * 1980-03-17 1981-11-03 Corning Glass Works Method of making optical fibers having improved core roundness
US4280829A (en) * 1980-05-12 1981-07-28 Corning Glass Works Apparatus for controlling internal pressure of a bait tube
US4304581A (en) * 1980-08-07 1981-12-08 Western Electric Co., Inc. Lightguide preform fabrication
DE3275591D1 (en) * 1981-05-29 1987-04-09 Hitachi Ltd Polarization plane maintaining optical fiber and fabricating method therefor
DE3206144A1 (de) * 1982-02-20 1983-09-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur herstellung eines lichtwellenleiters
FR2600327B1 (fr) * 1986-06-20 1992-04-17 Lenoane Georges Procede de fabrication de preformes pour fibres optiques et mandrin utilisable pour la mise en oeuvre de ce procede, application a la fabrication de fibres optiques monomodes
DE4117817C2 (de) * 1991-05-31 1994-02-03 Heraeus Quarzglas Verfahren zur Herstellung einer stabförmigen Vorform für optische Fasern
FR2677972B1 (fr) * 1991-06-21 1996-12-06 France Telecom Procede de fabrication de preformes pour fibres optiques et dispositif pour la mise en óoeuvre de ce procede.
NL2006962C2 (nl) * 2011-06-17 2012-12-18 Draka Comteq Bv Inrichting en werkwijze voor het vervaardigen van een optische voorvorm.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2434717C2 (de) * 1973-08-21 1989-05-18 International Standard Electric Corp., 10022 New York, N.Y. Verfahren zur Herstellung eines Glasfaser-Lichtleiters
JPS5929532B2 (ja) * 1975-03-29 1984-07-21 株式会社フジクラ 光フアイバ用母材の製造方法

Also Published As

Publication number Publication date
FR2314151A1 (fr) 1977-01-07
DE2625010C3 (de) 1982-12-09
JPS51146243A (en) 1976-12-15
DE2625010B2 (de) 1978-05-03
DE2625010A1 (de) 1976-12-16
GB1501586A (en) 1978-02-15

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Legal Events

Date Code Title Description
ST Notification of lapse