IT7920008D0 - extrusion method for optical waveguides in glass. - Google Patents

extrusion method for optical waveguides in glass.

Info

Publication number
IT7920008D0
IT7920008D0 IT7920008A IT2000879A IT7920008D0 IT 7920008 D0 IT7920008 D0 IT 7920008D0 IT 7920008 A IT7920008 A IT 7920008A IT 2000879 A IT2000879 A IT 2000879A IT 7920008 D0 IT7920008 D0 IT 7920008D0
Authority
IT
Italy
Prior art keywords
glass
optical waveguides
extrusion method
extrusion
waveguides
Prior art date
Application number
IT7920008A
Other languages
Italian (it)
Other versions
IT1110639B (en
Original Assignee
Corning Glass Works
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
Priority to US05/879,154 priority Critical patent/US4157906A/en
Application filed by Corning Glass Works filed Critical Corning Glass Works
Publication of IT7920008D0 publication Critical patent/IT7920008D0/en
Application granted granted Critical
Publication of IT1110639B publication Critical patent/IT1110639B/en

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
    • C03B37/02Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025Manufacture 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
    • C03B37/027Fibres composed of different sorts of glass, e.g. glass optical fibres
    • 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]
    • C03B37/01446Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
    • 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]
    • C03B37/01486Means for supporting, rotating or translating the preforms being formed, e.g. lathes
    • 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
    • C03B37/02Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025Manufacture 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
    • C03B37/027Fibres composed of different sorts of glass, e.g. glass optical fibres
    • C03B37/02736Means for supporting, rotating or feeding the tubes, rods, fibres or filaments to be drawn, e.g. fibre draw towers, preform alignment, butt-joining preforms or dummy parts during feeding
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00Type of glass produced
    • C03B2201/06Doped silica-based glasses
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00Type of glass produced
    • C03B2201/06Doped silica-based glasses
    • C03B2201/08Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
    • C03B2201/10Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with boron
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00Type of glass produced
    • C03B2201/06Doped silica-based glasses
    • C03B2201/20Doped silica-based glasses doped with non-metals other than boron or fluorine
    • C03B2201/28Doped silica-based glasses doped with non-metals other than boron or fluorine doped with phosphorus
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00Type of glass produced
    • C03B2201/06Doped silica-based glasses
    • C03B2201/30Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/31Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with germanium
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00Type of glass produced
    • C03B2201/06Doped silica-based glasses
    • C03B2201/30Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/32Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with aluminium
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00Type of glass produced
    • C03B2201/06Doped silica-based glasses
    • C03B2201/30Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/34Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00Type of glass produced
    • C03B2201/06Doped silica-based glasses
    • C03B2201/30Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/40Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00Type of glass produced
    • C03B2201/06Doped silica-based glasses
    • C03B2201/30Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/40Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn
    • C03B2201/42Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn doped with titanium
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S65/00Glass manufacturing
    • Y10S65/90Drying, dehydration, minimizing oh groups
IT20006/79A 1978-02-21 1979-02-08 extrusion method for optical waveguides in glass IT1110639B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/879,154 US4157906A (en) 1978-02-21 1978-02-21 Method of drawing glass optical waveguides

Publications (2)

Publication Number Publication Date
IT7920008D0 true IT7920008D0 (en) 1979-02-08
IT1110639B IT1110639B (en) 1985-12-23

Family

ID=25373540

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20006/79A IT1110639B (en) 1978-02-21 1979-02-08 extrusion method for optical waveguides in glass

Country Status (9)

Country Link
US (1) US4157906A (en)
JP (1) JPS5814370B2 (en)
AT (1) AT384417B (en)
CA (1) CA1126066A (en)
DE (1) DE2906070C2 (en)
FR (1) FR2417477A1 (en)
GB (1) GB2014558B (en)
IT (1) IT1110639B (en)
NL (1) NL7901311A (en)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4230744A (en) * 1979-02-21 1980-10-28 Corning Glass Works System for delivering materials to deposition site on optical waveguide blank
US4341541A (en) * 1979-07-13 1982-07-27 Times Fiber Communications, Inc. Process for the production of optical fiber
DE3037491C2 (en) * 1979-10-04 1983-10-27 Nippon Telegraph & Telephone Public Corp., Tokyo, Jp
US4304583A (en) * 1980-06-02 1981-12-08 Corning Glass Works Process for drying optical waveguide preforms
JPS5717437A (en) * 1980-07-01 1982-01-29 Nec Corp Manufacture of optical fiber
US4362545A (en) * 1980-07-03 1982-12-07 Corning Glass Works Support member for an optical waveguide preform
US4289517A (en) * 1980-07-03 1981-09-15 Corning Glass Works Method of forming an optical waveguide preform
US4289522A (en) * 1980-07-03 1981-09-15 Corning Glass Works Support member for an optical waveguide preform
US4286978A (en) * 1980-07-03 1981-09-01 Corning Glass Works Method for substantially continuously drying, consolidating and drawing an optical waveguide preform
US4388094A (en) * 1981-12-21 1983-06-14 Corning Glass Works Method and apparatus for producing tubular glass article
JPS6232140B2 (en) * 1983-02-18 1987-07-13 Hoya Corp
JPH05351B2 (en) * 1984-10-05 1993-01-05 Sumitomo Electric Industries
CN1011227B (en) * 1985-06-25 1991-01-16 占河电气工业有限公司 Mfg. method for optics fibre
US4708726A (en) * 1985-11-27 1987-11-24 At&T Technologies, Inc. Fabrication of a lightguide preform by the outside vapor deposition process
DE3619510A1 (en) * 1986-06-10 1987-12-17 Philips Patentverwaltung A process for the manufacture of glass or ceramic bodies
DE3623213A1 (en) * 1986-07-10 1988-01-21 Standard Elektrik Lorenz Ag A process for the manufacture of optical waveguides
US5226940A (en) * 1987-01-23 1993-07-13 Siemens Aktiengesellschaft Process for producing optical fibers of high tensile strength
JPH0196039A (en) * 1987-10-07 1989-04-14 Sumitomo Electric Ind Ltd Production of optical fiber preform
JPH0478568B2 (en) * 1988-06-28 1992-12-11 Sumitomo Electric Industries
US5059475A (en) * 1990-06-29 1991-10-22 Photonic Integration Research, Inc. Apparatus and method of forming optical waveguides on metalized substrates
US5261022A (en) * 1991-10-21 1993-11-09 Photonic Integration Research, Inc. Optical waveguide of silica glass film on ceramic substrate
DE4432806C1 (en) * 1994-09-15 1996-01-18 Heraeus Quarzglas Device for holding quartz-glass hollow cylinders in optical fibre mfr.
GB2315267B (en) * 1995-09-29 1998-12-02 Samsung Electronics Co Ltd Optical fibre spinning apparatus and method
DE19655025C2 (en) * 1995-09-29 2001-07-19 Samsung Electronics Co Ltd Optical fibre spinning furnace
DE19649935C2 (en) * 1996-12-02 1999-09-16 Heraeus Quarzglas A process for the production of quartz glass bodies
EP0867414A1 (en) * 1997-03-27 1998-09-30 Alcatel Alsthom Compagnie Generale D'electricite Graphite liner and heating element impregnated with vitreous carbon for a furnace for drawing optical fibers
US6381990B1 (en) 1999-02-26 2002-05-07 Corning Incorporated Draw furnace sealing assembly and method
US6244099B1 (en) 1999-02-26 2001-06-12 Corning Incorporated Draw furnace sealing assembly and method
JP4718017B2 (en) * 1999-04-26 2011-07-06 コーニング インコーポレイテッド Optical fiber and method of manufacturing optical fiber with low polarization mode dispersion and low attenuation loss
JP2001019464A (en) * 1999-07-05 2001-01-23 Sumitomo Electric Ind Ltd Device and method for drawing optical fiber
US6266980B1 (en) 1999-10-28 2001-07-31 Corning Incorporated Centerline protection using heavy inert gases
DE10012227C1 (en) * 2000-03-14 2001-05-10 Heraeus Quarzglas Production of quartz glass body used in production of preform for optical fibers comprises depositing silicon dioxide particles onto cylinder sleeve
DE10064730B4 (en) * 2000-12-22 2004-07-29 Heraeus Tenevo Ag A process for preparing a hollow cylinder of quartz glass
JP4759816B2 (en) * 2001-02-21 2011-08-31 住友電気工業株式会社 Optical fiber manufacturing method
US6793775B2 (en) * 2001-03-13 2004-09-21 Mikhail I. Gouskov Multiple torch—multiple target method and apparatus for plasma outside chemical vapor deposition
WO2002098808A1 (en) * 2001-05-31 2002-12-12 Corning Incorporated Method of low pmd optical fiber manufacture
JP2004536764A (en) * 2001-07-31 2004-12-09 コーニング・インコーポレーテッド Low polarization mode dispersion optical fiber manufacturing method
DE10303290B3 (en) * 2003-01-28 2004-05-06 Heraeus Tenevo Ag Manufacture of hollow cylinder of quartz glass using holder locates gas-impermeable synthetic quartz glass casing between holder and soot body
US20050022561A1 (en) * 2003-08-01 2005-02-03 Guskov Michael I. Ring plasma jet method and apparatus for making an optical fiber preform
JP2005060148A (en) * 2003-08-08 2005-03-10 Sumitomo Electric Ind Ltd Optical fiber preform production method, optical fiber preform, optical fiber production method, and optical fiber
CN1882513B (en) * 2003-11-18 2010-11-03 株式会社藤仓 Method of drawing bare optical fiber, process for producing optical fiber strand and optical fiber strand
NL1024943C2 (en) * 2003-12-04 2005-06-07 Draka Fibre Technology Bv A method of manufacturing an optical fiber.
DE102007029506B4 (en) 2007-06-25 2009-04-02 Heraeus Quarzglas Gmbh & Co. Kg Method for producing a cylinder made of quartz glass using a holding device and suitable holding device for carrying out the method
DE102008024842B3 (en) * 2008-05-23 2009-05-07 Heraeus Quarzglas Gmbh & Co. Kg Production of quartz glass cylinders comprises sintering silica preform containing silica soot layer in vitrification furnace, preform being held upright between flat mountings linked by vertical bars along its outer surface
DE102008029756B3 (en) * 2008-06-25 2009-04-30 Heraeus Quarzglas Gmbh & Co. Kg Producing cylinder made of quartz glass for producing preforms for optical fibers, comprises depositing silicon dioxide particle on longitudinal carrier under formation of soot bodies, and maintaining the soot in furnace by sinter process

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3775075A (en) * 1972-01-03 1973-11-27 Corning Glass Works Method of forming optical waveguide fibers
US3737292A (en) * 1972-01-03 1973-06-05 Corning Glass Works Method of forming optical waveguide fibers
US3737293A (en) * 1972-01-03 1973-06-05 Corning Glass Works Method of forming an economic optical waveguide fiber
US3826560A (en) * 1972-03-30 1974-07-30 Corning Glass Works Method of forming a light focusing fiber waveguide
US3868170A (en) * 1972-03-30 1975-02-25 Corning Glass Works Method of removing entrapped gas and/or residual water from glass
US3823995A (en) * 1972-03-30 1974-07-16 Corning Glass Works Method of forming light focusing fiber waveguide
JPS5421444B2 (en) * 1976-07-19 1979-07-31
JPS6128612B2 (en) * 1978-02-20 1986-07-01 Nippon Denshin Denwa Kk

Also Published As

Publication number Publication date
DE2906070A1 (en) 1979-08-30
CA1126066A (en) 1982-06-22
IT1110639B (en) 1985-12-23
US4157906A (en) 1979-06-12
CA1126066A1 (en)
GB2014558A (en) 1979-08-30
AT384417B (en) 1987-11-10
NL7901311A (en) 1979-08-23
FR2417477A1 (en) 1979-09-14
JPS54134136A (en) 1979-10-18
DE2906070C2 (en) 1983-10-06
ATA116679A (en) 1987-04-15
JPS5814370B2 (en) 1983-03-18
GB2014558B (en) 1982-11-03

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