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GB8316931D0 - Glass preform - Google Patents

Glass preform

Info

Publication number
GB8316931D0
GB8316931D0 GB838316931A GB8316931A GB8316931D0 GB 8316931 D0 GB8316931 D0 GB 8316931D0 GB 838316931 A GB838316931 A GB 838316931A GB 8316931 A GB8316931 A GB 8316931A GB 8316931 D0 GB8316931 D0 GB 8316931D0
Authority
GB
United Kingdom
Prior art keywords
glass preform
preform
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.)
Granted
Application number
GB838316931A
Other versions
GB2129417B (en
GB2129417A (en
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
Priority claimed from JP12837879A external-priority patent/JPS5654239A/en
Priority claimed from JP663380A external-priority patent/JPS56104738A/en
Priority claimed from JP2062480A external-priority patent/JPS56120531A/en
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of GB8316931D0 publication Critical patent/GB8316931D0/en
Publication of GB2129417A publication Critical patent/GB2129417A/en
Application granted granted Critical
Publication of GB2129417B publication Critical patent/GB2129417B/en
Expired 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
    • 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
    • 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
    • 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
    • C03B37/01426—Plasma deposition burners or torches
    • 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
    • C03B37/01807—Reactant delivery systems, e.g. reactant deposition burners
    • 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
    • C03B37/01853—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions
    • C03C13/04—Fibre optics, e.g. core and clad fibre compositions
    • C03C13/045—Silica-containing oxide glass compositions
    • 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
    • C03B2201/24—Doped silica-based glasses doped with non-metals other than boron or fluorine doped with nitrogen, e.g. silicon oxy-nitride glasses
    • 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
    • C03B2207/20—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
    • C03B2207/30—For glass precursor of non-standard type, e.g. solid SiH3F

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Glass Compositions (AREA)
GB08316931A 1979-10-04 1983-06-22 A process for preparing a glass preform for optical transmission Expired GB2129417B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP12837879A JPS5654239A (en) 1979-10-04 1979-10-04 Preparation of optical transmission glass preform
JP663380A JPS56104738A (en) 1980-01-22 1980-01-22 Preparation of glass preform for light-piping
JP2062480A JPS56120531A (en) 1980-02-22 1980-02-22 Manufacture of optical transmission glass preform

Publications (3)

Publication Number Publication Date
GB8316931D0 true GB8316931D0 (en) 1983-07-27
GB2129417A GB2129417A (en) 1984-05-16
GB2129417B GB2129417B (en) 1984-10-10

Family

ID=27277255

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8032139A Expired GB2062615B (en) 1979-10-04 1980-10-06 Preparing glass preform for optical transmission
GB08316931A Expired GB2129417B (en) 1979-10-04 1983-06-22 A process for preparing a glass preform for optical transmission

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8032139A Expired GB2062615B (en) 1979-10-04 1980-10-06 Preparing glass preform for optical transmission

Country Status (2)

Country Link
DE (1) DE3037491C2 (en)
GB (2) GB2062615B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4378987A (en) * 1981-10-15 1983-04-05 Corning Glass Works Low temperature method for making optical fibers
DE3203349A1 (en) * 1981-11-28 1983-06-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt METHOD AND DEVICE FOR PRODUCING AN OPTICAL GLASS FIBER WITH A LOW OH ION CONTENT
EP0127956A1 (en) * 1983-05-10 1984-12-12 Aetna Telecommunications Laboratories Method for manufacturing sinterable glass bodies
GB2162168B (en) * 1984-07-25 1988-06-29 Stc Plc Optical fibre manufacture
GB2164934B (en) * 1984-09-29 1988-10-05 Stc Plc Optical fibres
DE3441056A1 (en) * 1984-11-09 1986-05-22 Siemens AG, 1000 Berlin und 8000 München Process for reducing wear of quartz parts used in the gas-phase deposition of silicon
DE3530153A1 (en) * 1985-08-23 1987-03-05 Licentia Gmbh METHOD FOR PRODUCING A AEROSOL FLOW
KR100346220B1 (en) * 2000-09-05 2002-08-01 삼성전자 주식회사 Co-flow diffusion flame burner device for fabricating of optical waveguide
US6793775B2 (en) * 2001-03-13 2004-09-21 Mikhail I. Gouskov Multiple torch—multiple target method and apparatus for plasma outside chemical vapor deposition
DE10252270A1 (en) * 2002-11-07 2004-05-27 Heraeus Tenevo Ag Production of quartz glass blank comprises feeding starting component containing fuel gas and silicon to deposition burner, converting to silicon dioxide particles, and depositing on rotating support in layers to form blank
US7045737B2 (en) * 2003-03-03 2006-05-16 Sumitomo Electric Industries, Ltd. Glass-processing method and glass-processing apparatus for the method
DE102008033945B4 (en) * 2008-07-19 2012-03-08 Heraeus Quarzglas Gmbh & Co. Kg Process for the preparation of quartz glass doped with nitrogen and quartz glass grains suitable for carrying out the process, process for producing a quartz glass strand and method for producing a quartz glass crucible
US11891331B2 (en) 2020-05-08 2024-02-06 Corning Incorporated System and method for nitrogen doping of a glass article
CN113941713B (en) * 2021-09-17 2023-07-07 武汉拓普准晶新材料有限公司 Silicon carbide ceramic-metal composite material product and preparation method thereof
CN114634168B (en) * 2022-03-08 2023-11-28 中国科学院过程工程研究所 Preparation of pure-phase multi-shell Si 2 N 2 System and method for O-hollow spherical powder

Family Cites Families (4)

* 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
US3826560A (en) * 1972-03-30 1974-07-30 Corning Glass Works Method of forming a light focusing fiber waveguide
GB1450123A (en) * 1973-11-27 1976-09-22 Post Office Doped vitreous silica
US4157906A (en) * 1978-02-21 1979-06-12 Corning Glass Works Method of drawing glass optical waveguides

Also Published As

Publication number Publication date
GB2062615A (en) 1981-05-28
DE3037491C2 (en) 1983-10-27
GB2129417B (en) 1984-10-10
DE3037491A1 (en) 1981-04-09
GB2129417A (en) 1984-05-16
GB2062615B (en) 1984-01-11

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20001005