DK182201B1 - Production method for optical fiber base material, and optical fiber base material - Google Patents

Production method for optical fiber base material, and optical fiber base material

Info

Publication number
DK182201B1
DK182201B1 DKPA202370061A DKPA202370061A DK182201B1 DK 182201 B1 DK182201 B1 DK 182201B1 DK PA202370061 A DKPA202370061 A DK PA202370061A DK PA202370061 A DKPA202370061 A DK PA202370061A DK 182201 B1 DK182201 B1 DK 182201B1
Authority
DK
Denmark
Prior art keywords
glass
optical fiber
ppm
mass fraction
core portion
Prior art date
Application number
DKPA202370061A
Other languages
Danish (da)
English (en)
Inventor
Sakuma Hirotaka
Kawaguchi Yuki
Original Assignee
Sumitomo Electric Industries
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 Sumitomo Electric Industries filed Critical Sumitomo Electric Industries
Publication of DK202370061A1 publication Critical patent/DK202370061A1/en
Application granted granted Critical
Publication of DK182201B1 publication Critical patent/DK182201B1/en

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
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube
    • 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
    • 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
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • C03B37/01228—Removal of preform material
    • 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
    • C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • C03B37/0124—Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down
    • 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]
    • 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
    • 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
    • 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
    • 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
    • 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
    • C03B2201/50—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with alkali metals
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2203/00—Fibre product details, e.g. structure, shape
    • C03B2203/10—Internal structure or shape details
    • C03B2203/22—Radial profile of refractive index, composition or softening point
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

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)
  • Glass Compositions (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
DKPA202370061A 2020-09-03 2023-02-02 Production method for optical fiber base material, and optical fiber base material DK182201B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020148202 2020-09-03
PCT/JP2021/031564 WO2022050190A1 (ja) 2020-09-03 2021-08-27 光ファイバ母材の製造方法及び光ファイバ母材

Publications (2)

Publication Number Publication Date
DK202370061A1 DK202370061A1 (en) 2023-02-17
DK182201B1 true DK182201B1 (en) 2025-11-20

Family

ID=80491753

Family Applications (1)

Application Number Title Priority Date Filing Date
DKPA202370061A DK182201B1 (en) 2020-09-03 2023-02-02 Production method for optical fiber base material, and optical fiber base material

Country Status (5)

Country Link
US (1) US12466757B2 (https=)
JP (1) JP7794128B2 (https=)
CN (1) CN115989197B (https=)
DK (1) DK182201B1 (https=)
WO (1) WO2022050190A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230167002A1 (en) * 2021-11-30 2023-06-01 Corning Incorporated Optical fibers and method of making the same
WO2025070402A1 (ja) * 2023-09-29 2025-04-03 古河電気工業株式会社 マルチコアファイバ母材の製造方法およびマルチコアファイバの製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120263427A1 (en) * 2011-04-15 2012-10-18 Sumitomo Electric Industries, Ltd. Optical fiber and optical fiber preform
US20170101334A1 (en) * 2014-07-22 2017-04-13 Sumitomo Electric Industries, Ltd. Method of manufacturing optical fiber preform and optical fiber preform
US20180362392A1 (en) * 2016-03-25 2018-12-20 Sumitomo Electric Industries, Ltd. Optical fiber

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU8132398A (en) * 1997-06-18 1999-01-04 Dsm N.V. Radiation-curable optical fiber coatings having reduced yellowing and fast cure speed
US20040057692A1 (en) 2002-08-28 2004-03-25 Ball Laura J. Low loss optical fiber and method for making same
EP1561765A4 (en) * 2002-11-08 2007-07-04 Mitsubishi Chem Corp RADIATION-HARDENING RESIN COMPOSITION AND HARDENED PRODUCT THEREOF
KR101066281B1 (ko) 2003-08-29 2011-09-20 코닝 인코포레이티드 알칼리 금속 산화물을 함유하는 광섬유, 및 그 제조 방법및 장치
US7536076B2 (en) * 2006-06-21 2009-05-19 Corning Incorporated Optical fiber containing alkali metal oxide
JP5545236B2 (ja) 2011-02-03 2014-07-09 住友電気工業株式会社 光ファイバ母材製造方法
CN104093674B (zh) 2012-01-25 2016-06-01 住友电气工业株式会社 光纤母材制备方法、光纤母材以及光纤
JP6337509B2 (ja) 2014-02-24 2018-06-06 住友電気工業株式会社 光ファイバ母材製造方法
JP5995923B2 (ja) 2014-08-06 2016-09-21 古河電気工業株式会社 光ファイバ母材および光ファイバの製造方法
US9919955B2 (en) 2015-07-24 2018-03-20 Ofs Fitel, Llc Optical fiber with low loss and nanoscale structurally homogeneous core
JP7013697B2 (ja) * 2017-07-12 2022-02-01 住友電気工業株式会社 光ファイバ母材
WO2020027063A1 (ja) 2018-07-31 2020-02-06 住友電気工業株式会社 光ファイバ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120263427A1 (en) * 2011-04-15 2012-10-18 Sumitomo Electric Industries, Ltd. Optical fiber and optical fiber preform
US20170101334A1 (en) * 2014-07-22 2017-04-13 Sumitomo Electric Industries, Ltd. Method of manufacturing optical fiber preform and optical fiber preform
US20180362392A1 (en) * 2016-03-25 2018-12-20 Sumitomo Electric Industries, Ltd. Optical fiber

Also Published As

Publication number Publication date
US20230322605A1 (en) 2023-10-12
CN115989197B (zh) 2025-10-14
DK202370061A1 (en) 2023-02-17
JP7794128B2 (ja) 2026-01-06
JPWO2022050190A1 (https=) 2022-03-10
US12466757B2 (en) 2025-11-11
CN115989197A (zh) 2023-04-18
WO2022050190A1 (ja) 2022-03-10

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Legal Events

Date Code Title Description
PAT Application published

Effective date: 20230202

PME Patent granted

Effective date: 20251120