ATE444940T1 - Verfahren zur herstellung von glas mit optischer qualität - Google Patents

Verfahren zur herstellung von glas mit optischer qualität

Info

Publication number
ATE444940T1
ATE444940T1 AT02015830T AT02015830T ATE444940T1 AT E444940 T1 ATE444940 T1 AT E444940T1 AT 02015830 T AT02015830 T AT 02015830T AT 02015830 T AT02015830 T AT 02015830T AT E444940 T1 ATE444940 T1 AT E444940T1
Authority
AT
Austria
Prior art keywords
optical quality
plasma
producing glass
preform
feeds
Prior art date
Application number
AT02015830T
Other languages
English (en)
Inventor
Monika Oswald
Gerrit Schneider
Juergen Meyer
Original Assignee
Evonik Degussa Gmbh
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8179117&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE444940(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Evonik Degussa Gmbh filed Critical Evonik Degussa Gmbh
Application granted granted Critical
Publication of ATE444940T1 publication Critical patent/ATE444940T1/de

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
    • C03B37/0128—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass
    • C03B37/01291—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass by progressive melting, e.g. melting glass powder during delivery to and adhering the so-formed melt to a target or preform, e.g. the Plasma Oxidation Deposition [POD] process
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00—Other methods of shaping glass
    • C03B19/01—Other methods of shaping glass by progressive fusion or sintering of powdered glass onto a shaping substrate, i.e. accretion, e.g. plasma oxidation deposition
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B19/00—Other methods of shaping glass
    • C03B19/10—Forming beads
    • C03B19/1005—Forming solid beads
    • C03B19/102—Forming solid beads by blowing a gas onto a stream of molten glass or onto particulate materials, e.g. pulverising
    • 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
    • C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • C03C1/02—Pretreated ingredients
    • C03C1/026—Pelletisation or prereacting of powdered raw materials
    • 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
    • C03B2201/12—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with fluorine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Silicon Compounds (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Compositions (AREA)
AT02015830T 2001-10-30 2002-07-16 Verfahren zur herstellung von glas mit optischer qualität ATE444940T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01125855A EP1308422A1 (de) 2001-10-30 2001-10-30 Verfahren zur Herstellung von Glas mit optischer Qualität

Publications (1)

Publication Number Publication Date
ATE444940T1 true ATE444940T1 (de) 2009-10-15

Family

ID=8179117

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02015830T ATE444940T1 (de) 2001-10-30 2002-07-16 Verfahren zur herstellung von glas mit optischer qualität

Country Status (3)

Country Link
EP (2) EP1308422A1 (de)
AT (1) ATE444940T1 (de)
DE (2) DE60233921D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1700832A1 (de) * 2005-03-09 2006-09-13 Degussa AG Verfahren zur Herstellung von Glas optischer Qualität
JP2012254888A (ja) * 2011-06-07 2012-12-27 Sumitomo Electric Ind Ltd 光ファイバ母材製造装置および光ファイバ母材製造方法
DE102015109264A1 (de) * 2015-06-11 2016-12-15 Maicom Quarz Gmbh Partikelförmiges Material, Verfahren zu dessen Herstellung und Verwendung des Materials

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5527848A (en) 1994-12-14 1996-06-18 Basf Corporation Pacification of optically variable pigments for use in waterborne coating compositions
DE19601415A1 (de) 1995-02-04 1996-08-08 Degussa Granulate auf Basis von pyrogen hergestelltem Siliciumdioxid, Verfahren zu ihrer Herstellung und ihre Verwendung
ES2154748T3 (es) 1995-02-04 2001-04-16 Degussa Granulados a base de dioxido de silicio preparado por via pirogena, procedimiento para su preparacion y su empleo.
FR2760449B1 (fr) * 1997-03-06 1999-04-16 Alcatel Fibres Optiques Procede pour purifier de la silice naturelle ou synthetique et application au depot de silice naturelle ou synthetique purifiee sur une preforme de fibre optique
FR2782316B1 (fr) * 1998-08-17 2001-01-05 Alsthom Cge Alkatel Procede pour purifier de la silice naturelle ou synthetique et application au depot de silice naturelle ou synthetique purifiee sur une preforme de fibre optique
DE19847161A1 (de) 1998-10-14 2000-04-20 Degussa Mittels Aerosol dotiertes pyrogen hergestelltes Siliciumdioxid
DE19928851A1 (de) 1999-06-24 2000-12-28 Degussa Granulate auf Basis von pyrogen hergestelltem Titandioxid, Verfahren zu ihrer Herstellung und ihre Verwendung
DE19943291A1 (de) 1999-09-10 2001-03-15 Degussa Pyrogen hergestelltes Aluminiumoxid

Also Published As

Publication number Publication date
EP1308423B1 (de) 2009-10-07
DE20222020U1 (de) 2011-05-26
EP1308423A1 (de) 2003-05-07
EP1308422A1 (de) 2003-05-07
DE60233921D1 (de) 2009-11-19

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties