FI852067L - Foerfarande foer framstaellning av en foerform foer dragande av ljusledningsfibrer. - Google Patents

Foerfarande foer framstaellning av en foerform foer dragande av ljusledningsfibrer.

Info

Publication number
FI852067L
FI852067L FI852067A FI852067A FI852067L FI 852067 L FI852067 L FI 852067L FI 852067 A FI852067 A FI 852067A FI 852067 A FI852067 A FI 852067A FI 852067 L FI852067 L FI 852067L
Authority
FI
Finland
Prior art keywords
foer
ljusledningsfibrer
foerform
dragande
framstaellning
Prior art date
Application number
FI852067A
Other languages
English (en)
Other versions
FI78671B (fi
FI78671C (fi
FI852067A0 (fi
Inventor
Bertram Glessner
Paul Pitsch
Peter Heinen
Hartmut Peglow
Original Assignee
Aeg Telefunken Kabelwerke
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 Aeg Telefunken Kabelwerke filed Critical Aeg Telefunken Kabelwerke
Publication of FI852067A0 publication Critical patent/FI852067A0/fi
Publication of FI852067L publication Critical patent/FI852067L/fi
Publication of FI78671B publication Critical patent/FI78671B/fi
Application granted granted Critical
Publication of FI78671C publication Critical patent/FI78671C/fi

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
    • C03B37/02—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
    • 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]
    • C03B37/018—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] 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
    • C03B37/01861—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
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/08—Sub-atmospheric pressure applied, e.g. vacuum

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)
  • Glass Compositions (AREA)
FI852067A 1984-05-26 1985-05-23 Foerfarande foer framstaellning av en foerform foer dragande av ljusledningsfibrer. FI78671C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3419835 1984-05-26
DE3419835 1984-05-26
DE19843447081 DE3447081A1 (de) 1984-05-26 1984-12-22 Verfahren zum herstellen einer vorform zum ziehen von lichtleitfasern
DE3447081 1984-12-22

Publications (4)

Publication Number Publication Date
FI852067A0 FI852067A0 (fi) 1985-05-23
FI852067L true FI852067L (fi) 1985-11-27
FI78671B FI78671B (fi) 1989-05-31
FI78671C FI78671C (fi) 1989-09-11

Family

ID=25821608

Family Applications (1)

Application Number Title Priority Date Filing Date
FI852067A FI78671C (fi) 1984-05-26 1985-05-23 Foerfarande foer framstaellning av en foerform foer dragande av ljusledningsfibrer.

Country Status (4)

Country Link
US (1) US4636235A (fi)
CA (1) CA1259785A (fi)
DE (1) DE3447081A1 (fi)
FI (1) FI78671C (fi)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6140834A (ja) * 1984-07-31 1986-02-27 Furukawa Electric Co Ltd:The 光フアイバ母材の製造方法
CN1011227B (zh) * 1985-06-25 1991-01-16 占河电气工业有限公司 光纤的制造方法
US4750926A (en) * 1987-08-07 1988-06-14 Corning Glass Works Method of making precision shaped apertures in glass
US4908053A (en) * 1987-08-19 1990-03-13 Non Oxide Glass Research And Development Co., Ltd. Process for producing chalcogenide glass fiber
DE3733880A1 (de) * 1987-10-07 1989-04-20 Schott Glaswerke Verfahren zur herstellung eines lichtwellenleiters
US5055120A (en) * 1987-12-15 1991-10-08 Infrared Fiber Systems, Inc. Fluoride glass fibers with reduced defects
FR2679548B1 (fr) * 1991-07-25 1994-10-21 Alsthom Cge Alcatel Procede de fabrication de fibres optiques actives.
US5672192A (en) * 1996-05-30 1997-09-30 Lucent Technologies Inc. Method of making optical fiber using a plasma torch fiber-drawing furnace
MXPA01010868A (es) * 1999-04-26 2002-05-06 Corning Inc Una fibra optica y un metodo para fabricar una fibra optica con dispersion de modo de baja polarizacion y de baja atenuacion.
WO2002098808A1 (en) * 2001-05-31 2002-12-12 Corning Incorporated Method of low pmd optical fiber manufacture
EP1438267A1 (en) 2001-07-31 2004-07-21 Corning Incorporated Method for fabricating a low polarization mode dispersion optical fiber
NL1024015C2 (nl) * 2003-07-28 2005-02-01 Draka Fibre Technology Bv Multimode optische vezel voorzien van een brekingsindexprofiel, optisch communicatiesysteem onder toepassing daarvan en werkwijze ter vervaardiging van een dergelijke vezel.
FR2922657B1 (fr) * 2007-10-23 2010-02-12 Draka Comteq France Fibre multimode.
FR2932932B1 (fr) * 2008-06-23 2010-08-13 Draka Comteq France Sa Systeme optique multiplexe en longueur d'ondes avec fibres optiques multimodes
FR2933779B1 (fr) * 2008-07-08 2010-08-27 Draka Comteq France Fibres optiques multimodes
FR2940839B1 (fr) * 2009-01-08 2012-09-14 Draka Comteq France Fibre optique multimodale a gradient d'indice, procedes de caracterisation et de fabrication d'une telle fibre
FR2946436B1 (fr) * 2009-06-05 2011-12-09 Draka Comteq France Fibre optique multimode a tres large bande passante avec une interface coeur-gaine optimisee
FR2953605B1 (fr) * 2009-12-03 2011-12-16 Draka Comteq France Fibre optique multimode a large bande passante et a faibles pertes par courbure
US9014525B2 (en) 2009-09-09 2015-04-21 Draka Comteq, B.V. Trench-assisted multimode optical fiber
FR2957153B1 (fr) * 2010-03-02 2012-08-10 Draka Comteq France Fibre optique multimode a large bande passante et a faibles pertes par courbure
FR2953606B1 (fr) * 2009-12-03 2012-04-27 Draka Comteq France Fibre optique multimode a large bande passante et a faibles pertes par courbure
FR2953029B1 (fr) * 2009-11-25 2011-11-18 Draka Comteq France Fibre optique multimode a tres large bande passante avec une interface coeur-gaine optimisee
FR2953030B1 (fr) * 2009-11-25 2011-11-18 Draka Comteq France Fibre optique multimode a tres large bande passante avec une interface coeur-gaine optimisee
FR2949870B1 (fr) * 2009-09-09 2011-12-16 Draka Compteq France Fibre optique multimode presentant des pertes en courbure ameliorees
FR2950156B1 (fr) * 2009-09-17 2011-11-18 Draka Comteq France Fibre optique multimode
FR2966256B1 (fr) 2010-10-18 2012-11-16 Draka Comteq France Fibre optique multimode insensible aux pertes par
DK2482106T5 (da) 2011-01-31 2014-09-22 Draka Comteq Bv Multimode-fiber
FR2971061B1 (fr) 2011-01-31 2013-02-08 Draka Comteq France Fibre optique a large bande passante et a faibles pertes par courbure
EP2503368A1 (en) 2011-03-24 2012-09-26 Draka Comteq B.V. Multimode optical fiber with improved bend resistance
EP2506044A1 (en) 2011-03-29 2012-10-03 Draka Comteq B.V. Multimode optical fiber
EP2518546B1 (en) 2011-04-27 2018-06-20 Draka Comteq B.V. High-bandwidth, radiation-resistant multimode optical fiber
EP2541292B1 (en) 2011-07-01 2014-10-01 Draka Comteq BV Multimode optical fibre

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2380996A1 (fr) * 1977-02-18 1978-09-15 Comp Generale Electricite Procede de realisation d'une ebauche de fibre optique
CA1106710A (en) * 1977-06-22 1981-08-11 Michael G. Blankenship Method of making optical devices
US4184859A (en) * 1978-06-09 1980-01-22 International Telephone And Telegraph Corporation Method of fabricating an elliptical core single mode fiber
US4251251A (en) * 1979-05-31 1981-02-17 Corning Glass Works Method of making optical devices
DE2938218C2 (de) * 1979-09-21 1986-10-09 Corning Glass Works, Corning, N.Y. Verfahren zur Herstellung eines Glasgegenstandes
GB2072870B (en) * 1980-02-21 1984-01-11 Nippon Telegraph & Telephone Method for preparing optical fibres
DE3132010A1 (de) * 1981-08-13 1983-03-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt "verfahren zur herstellung polarisationserhaltender optischer fasern"
JPS5969438A (ja) * 1982-10-15 1984-04-19 Hitachi Ltd 光フアイバ母材の製造方法
JPS59152238A (ja) * 1983-02-18 1984-08-30 Hoya Corp 屈折率勾配を有するガラス体の製造法
DE3315165A1 (de) * 1983-04-27 1984-10-31 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur herstellung eines lichtwellenleiters
US4486214A (en) * 1983-12-08 1984-12-04 At&T Technologies, Inc. Methods of and apparatus for collapsing a preform tube into a preform from which lightguide fiber is drawn
US4551162A (en) * 1984-10-01 1985-11-05 Polaroid Corporation Hollow tube method for forming an optical fiber

Also Published As

Publication number Publication date
CA1259785A (en) 1989-09-26
US4636235A (en) 1987-01-13
FI78671B (fi) 1989-05-31
DE3447081A1 (de) 1985-12-19
FI78671C (fi) 1989-09-11
FI852067A0 (fi) 1985-05-23

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: AEG-TELEFUNKEN KABELWERKE AG, RHEYDT