DE2806931C2 - Verfahren und Vorrichtung zur Behandlung einer durch Flammhydrolyse hergestellten porösen Glasrußvorform in einem Sinterofen - Google Patents

Verfahren und Vorrichtung zur Behandlung einer durch Flammhydrolyse hergestellten porösen Glasrußvorform in einem Sinterofen

Info

Publication number
DE2806931C2
DE2806931C2 DE2806931A DE2806931A DE2806931C2 DE 2806931 C2 DE2806931 C2 DE 2806931C2 DE 2806931 A DE2806931 A DE 2806931A DE 2806931 A DE2806931 A DE 2806931A DE 2806931 C2 DE2806931 C2 DE 2806931C2
Authority
DE
Germany
Prior art keywords
glass soot
soot preform
preform
sintering furnace
porous glass
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 - Lifetime
Application number
DE2806931A
Other languages
German (de)
English (en)
Other versions
DE2806931A1 (de
Inventor
Dale Robert Painted Post N.Y. Powers
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.)
Corning Glass Works
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 US05/877,514 priority Critical patent/US4125388A/en
Application filed by Corning Glass Works filed Critical Corning Glass Works
Priority to DE2806931A priority patent/DE2806931C2/de
Priority to GB6802/78A priority patent/GB1597041A/en
Priority claimed from AT125578A external-priority patent/AT377964B/de
Priority to NLAANVRAGE7802167,A priority patent/NL188844C/xx
Priority to FR7806116A priority patent/FR2418775A1/fr
Publication of DE2806931A1 publication Critical patent/DE2806931A1/de
Application granted granted Critical
Publication of DE2806931C2 publication Critical patent/DE2806931C2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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]
    • C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B32/00—Thermal after-treatment of glass products not provided for in groups C03B19/00, C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation, eliminating gas inclusions or other impurities; Hot-pressing vitrified, non-porous, shaped glass products
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/08—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
    • C03B2201/10—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with boron
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/20—Doped silica-based glasses doped with non-metals other than boron or fluorine
    • C03B2201/28—Doped silica-based glasses doped with non-metals other than boron or fluorine doped with phosphorus
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/31—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with germanium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/32—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with aluminium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/34—Doped 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/40—Doped 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
    • C03B2201/40—Doped 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
    • C03B2201/42—Doped 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
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S65/00—Glass manufacturing
    • Y10S65/90—Drying, dehydration, minimizing oh groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Compositions (AREA)
  • Optical Integrated Circuits (AREA)
  • Glass Melting And Manufacturing (AREA)
DE2806931A 1976-12-20 1978-02-17 Verfahren und Vorrichtung zur Behandlung einer durch Flammhydrolyse hergestellten porösen Glasrußvorform in einem Sinterofen Expired - Lifetime DE2806931C2 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US05/877,514 US4125388A (en) 1976-12-20 1978-02-13 Method of making optical waveguides
DE2806931A DE2806931C2 (de) 1976-12-20 1978-02-17 Verfahren und Vorrichtung zur Behandlung einer durch Flammhydrolyse hergestellten porösen Glasrußvorform in einem Sinterofen
GB6802/78A GB1597041A (en) 1976-12-20 1978-02-21 Method of making optical waveguides
NLAANVRAGE7802167,A NL188844C (nl) 1976-12-20 1978-02-27 Werkwijze voor het vervaardigen van een, eventueel gedoteerd, glazen voorwerp.
FR7806116A FR2418775A1 (fr) 1976-12-20 1978-03-03 Procede pour la realisation de guides d'ondes optiques

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US75246476A 1976-12-20 1976-12-20
DE2806931A DE2806931C2 (de) 1976-12-20 1978-02-17 Verfahren und Vorrichtung zur Behandlung einer durch Flammhydrolyse hergestellten porösen Glasrußvorform in einem Sinterofen
AT125578A AT377964B (de) 1978-02-21 1978-02-21 Verfahren zur herstellung eines glasgegenstandes
GB6802/78A GB1597041A (en) 1976-12-20 1978-02-21 Method of making optical waveguides
NLAANVRAGE7802167,A NL188844C (nl) 1976-12-20 1978-02-27 Werkwijze voor het vervaardigen van een, eventueel gedoteerd, glazen voorwerp.
FR7806116A FR2418775A1 (fr) 1976-12-20 1978-03-03 Procede pour la realisation de guides d'ondes optiques

Publications (2)

Publication Number Publication Date
DE2806931A1 DE2806931A1 (de) 1979-08-23
DE2806931C2 true DE2806931C2 (de) 1991-12-05

Family

ID=27542377

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2806931A Expired - Lifetime DE2806931C2 (de) 1976-12-20 1978-02-17 Verfahren und Vorrichtung zur Behandlung einer durch Flammhydrolyse hergestellten porösen Glasrußvorform in einem Sinterofen

Country Status (5)

Country Link
US (1) US4125388A (enExample)
DE (1) DE2806931C2 (enExample)
FR (1) FR2418775A1 (enExample)
GB (1) GB1597041A (enExample)
NL (1) NL188844C (enExample)

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Publication number Priority date Publication date Assignee Title
JPS5395649A (en) * 1977-02-02 1978-08-22 Hitachi Ltd Production of optical fiber
US4263031A (en) * 1978-06-12 1981-04-21 Corning Glass Works Method of producing glass optical filaments
US4230744A (en) * 1979-02-21 1980-10-28 Corning Glass Works System for delivering materials to deposition site on optical waveguide blank
JPS5858292B2 (ja) * 1980-01-21 1983-12-24 株式会社日立製作所 シリカガラスの製造方法
US4344670A (en) * 1980-05-01 1982-08-17 Corning Glass Works Optical waveguide soot preform with reduced inner layer stress and method of making
US4304583A (en) * 1980-06-02 1981-12-08 Corning Glass Works Process for drying optical waveguide preforms
US4289522A (en) * 1980-07-03 1981-09-15 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
US4362545A (en) * 1980-07-03 1982-12-07 Corning Glass Works Support member for an optical waveguide preform
EP0154026B1 (en) * 1980-07-17 1988-09-07 BRITISH TELECOMMUNICATIONS public limited company A monomode optical fibre and a method of manufacture
DE3203349A1 (de) * 1981-11-28 1983-06-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren und Vorrichtung zur Herstellung einer optischen Glasfaser mit geringem OH -Ionengehalt
US4486212A (en) * 1982-09-29 1984-12-04 Corning Glass Works Devitrification resistant flame hydrolysis process
JPS60226422A (ja) * 1984-04-20 1985-11-11 Sumitomo Electric Ind Ltd シングルモ−ドフアイバ用中間体の製造方法
GB8414264D0 (en) * 1984-06-05 1984-07-11 Era Patents Ltd Hollow optical fibres
JP2549615B2 (ja) * 1984-06-18 1996-10-30 住友電気工業株式会社 光フアイバ用ガラス母材の焼結方法
JPS6136129A (ja) * 1984-07-30 1986-02-20 Sumitomo Electric Ind Ltd 光フアイバ用ガラス母材の製造方法
JPS6148437A (ja) * 1984-08-17 1986-03-10 Sumitomo Electric Ind Ltd ＧｅＯ↓２−ＳｉＯ↓２系ガラス母材の製造方法
JPS6172644A (ja) * 1984-09-19 1986-04-14 Sumitomo Electric Ind Ltd 低損失光フアイバの製造方法
US5364428A (en) * 1985-03-18 1994-11-15 Sumitomo Electric Industries, Ltd. Method for producing glass preform for optical fiber
US5203899A (en) * 1985-03-18 1993-04-20 Sumitomo Electric Industries, Ltd. Method for producing glass preform for optical fiber
CA1290942C (en) * 1985-03-18 1991-10-22 Michihisa Kyoto Method for producing glass preform for optical fiber
US4906267A (en) * 1986-01-30 1990-03-06 Corning Incorporated Heating oven for preparing optical waveguide fibers
US4741748A (en) * 1986-01-30 1988-05-03 Corning Glass Works Heating oven for preparing optical waveguide fibers
US4950319A (en) * 1986-01-30 1990-08-21 Corning Incorporated Heating oven for preparing optical waveguide fibers
US4906268A (en) * 1986-01-30 1990-03-06 Corning Incorporated Heating oven for preparing optical waveguide fibers
US4684383A (en) * 1986-01-30 1987-08-04 Corning Glass Works Methods for reducing the water content of optical waveguide fibers
DE3735532A1 (de) * 1987-10-21 1989-05-03 Rheydt Kabelwerk Ag Verfahren zum herstellen einer vorform fuer lichtwellenleiter
JPH03131544A (ja) * 1989-06-29 1991-06-05 Sumitomo Electric Ind Ltd 光ファイバ用ガラス母材の加熱炉および製法
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
US6003342A (en) * 1991-10-25 1999-12-21 The Furukawa Electric Co., Ltd. Apparatus for production of optical fiber preform
US5241615A (en) * 1992-06-18 1993-08-31 Corning Incorporated Optical waveguide fiber with very thin titania-silica outer cladding layer
US6229945B1 (en) * 1992-06-24 2001-05-08 British Telecommunications Public Limited Company Photo induced grating in B2O3 containing glass
US5296012A (en) * 1992-12-28 1994-03-22 Corning Incorporated Method of making optical waveguide preforms
US5641333A (en) * 1995-12-01 1997-06-24 Corning Incorporated Increasing the retention of Ge02 during production of glass articles
US5838866A (en) 1995-11-03 1998-11-17 Corning Incorporated Optical fiber resistant to hydrogen-induced attenuation
CN1272831A (zh) 1997-07-15 2000-11-08 康宁股份有限公司 在光纤中降低h2的敏感度
CA2247970A1 (en) 1997-10-29 1999-04-29 Corning Incorporated Method of making segmented core optical waveguide preforms
US6151336A (en) * 1998-02-11 2000-11-21 Sorrento Networks, Inc. Time division multiplexing expansion subsystem
US6400478B1 (en) 1998-04-02 2002-06-04 Sorrento Networks, Inc. Wavelength-division-multiplexed optical transmission system with expanded bidirectional transmission capacity over a single fiber
US6298103B1 (en) 1998-06-16 2001-10-02 Sorrento Networks Corporation Flexible clock and data recovery module for a DWDM optical communication system with multiple clock rates
US6266980B1 (en) 1999-10-28 2001-07-31 Corning Incorporated Centerline protection using heavy inert gases
WO2002084351A1 (en) * 2001-04-12 2002-10-24 Omniguide Communications Inc. High index-contrast fiber waveguides and applications
JP2006507545A (ja) * 2002-11-22 2006-03-02 オムニガイド コミュニケーションズ インコーポレイテッド 誘電体導波路およびその製造方法
WO2007059336A1 (en) * 2005-11-18 2007-05-24 Nextrom Oy Method and apparatus for manufacturing water-free optical fiber preforms
JP5603024B2 (ja) * 2009-01-20 2014-10-08 古河電気工業株式会社 光ファイバ母材の製造方法
JP2011230987A (ja) * 2010-04-30 2011-11-17 Sumitomo Electric Ind Ltd ガラス母材製造方法
JP2014101236A (ja) * 2012-11-16 2014-06-05 Sumitomo Electric Ind Ltd 光ファイバ母材の製造方法および光ファイバ
US11554978B2 (en) 2013-11-27 2023-01-17 Corning Incorporated Method for reducing processing time for optical fiber preforms
WO2016100255A1 (en) 2014-12-16 2016-06-23 Corning Incorporated Method of making an optical fiber preform and handle for use in making of optical fiber preform

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US3823995A (en) * 1972-03-30 1974-07-16 Corning Glass Works Method of forming 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
US3933454A (en) * 1974-04-22 1976-01-20 Corning Glass Works Method of making optical waveguides
US3993454A (en) * 1975-06-23 1976-11-23 United Technologies Corporation Alumina forming coatings containing hafnium for high temperature applications
JPS5213357A (en) * 1975-07-23 1977-02-01 Enuma Chain Seisakusho:Kk Rotation angle detector mechanism
GB1559097A (en) * 1976-06-01 1980-01-16 Standard Telephones Cables Ltd Optical fibre manufacture
CA1106710A (en) * 1977-06-22 1981-08-11 Michael G. Blankenship Method of making optical devices

Also Published As

Publication number Publication date
FR2418775B1 (enExample) 1984-09-07
NL188844B (nl) 1992-05-18
NL7802167A (nl) 1979-08-29
NL188844C (nl) 1992-10-16
US4125388A (en) 1978-11-14
GB1597041A (en) 1981-09-03
FR2418775A1 (fr) 1979-09-28
DE2806931A1 (de) 1979-08-23

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8110 Request for examination paragraph 44
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Representative=s name: REINHARD, H., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW.,

D2 Grant after examination
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8305 Restricted maintenance of patent after opposition
D4 Patent maintained restricted