DE60018622D1 - Wärmebehandlung einer Vorform für optische Fasern und Herstellungsverfahren einer optischen Faser - Google Patents

Wärmebehandlung einer Vorform für optische Fasern und Herstellungsverfahren einer optischen Faser

Info

Publication number
DE60018622D1
DE60018622D1 DE60018622T DE60018622T DE60018622D1 DE 60018622 D1 DE60018622 D1 DE 60018622D1 DE 60018622 T DE60018622 T DE 60018622T DE 60018622 T DE60018622 T DE 60018622T DE 60018622 D1 DE60018622 D1 DE 60018622D1
Authority
DE
Germany
Prior art keywords
optical fiber
heat treatment
manufacturing process
fiber preform
preform
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
DE60018622T
Other languages
English (en)
Other versions
DE60018622T2 (de
Inventor
Fujii Hideki
Nagao Takaaki
Shoji Hoshino
Tadakatsu Shimada
Hideo Hirasawa
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.)
Shin Etsu Chemical Co Ltd
Original Assignee
Shin Etsu Chemical Co Ltd
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=11738814&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60018622(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Shin Etsu Chemical Co Ltd filed Critical Shin Etsu Chemical Co Ltd
Publication of DE60018622D1 publication Critical patent/DE60018622D1/de
Application granted granted Critical
Publication of DE60018622T2 publication Critical patent/DE60018622T2/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
    • C03B29/00—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins
    • C03B29/04—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a continuous way
    • C03B29/06—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a continuous way with horizontal displacement of the products
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B29/00—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins
    • C03B29/02—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a discontinuous way
    • 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
    • C03B37/01237—Removal of preform material to modify the diameter by heat-polishing, e.g. fire-polishing
    • 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
    • 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)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
DE60018622T 1999-01-19 2000-01-17 Wärmebehandlung einer Vorform für optische Fasern und Herstellungsverfahren einer optischen Faser Expired - Lifetime DE60018622T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1002399 1999-01-19
JP11010023A JP3017989B1 (ja) 1999-01-19 1999-01-19 光ファイバ母材の熱処理方法

Publications (2)

Publication Number Publication Date
DE60018622D1 true DE60018622D1 (de) 2005-04-21
DE60018622T2 DE60018622T2 (de) 2006-04-13

Family

ID=11738814

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60018622T Expired - Lifetime DE60018622T2 (de) 1999-01-19 2000-01-17 Wärmebehandlung einer Vorform für optische Fasern und Herstellungsverfahren einer optischen Faser

Country Status (6)

Country Link
US (1) US6467311B1 (de)
EP (1) EP1022258B1 (de)
JP (1) JP3017989B1 (de)
KR (1) KR100630915B1 (de)
DE (1) DE60018622T2 (de)
TW (1) TW504500B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070065082A1 (en) * 2006-10-12 2007-03-22 Sterlite Optical Technologies Ltd Method for preparation of core rod assembly for overcladding, and perform and fiber produced from such core rod assembly
JP5380018B2 (ja) * 2008-09-03 2014-01-08 株式会社フジクラ 光ファイバ母材の製造方法
JP5952656B2 (ja) * 2012-07-05 2016-07-13 株式会社フジクラ 光ファイバ用ガラス母材の製造方法
JP6158731B2 (ja) * 2013-04-08 2017-07-05 信越化学工業株式会社 光ファイバ用ガラス母材の製造方法および光ファイバ用ガラス母材
US11733459B2 (en) * 2018-12-31 2023-08-22 Sterlite Technologies Limited Method for modification of surface of optical fiber preform

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5211730A (en) * 1989-12-15 1993-05-18 Sumitomo Electric Industries, Ltd. Method for heating glass body
FR2657864B1 (fr) * 1990-02-02 1992-04-10 Alsthom Cge Alcatel Procede de fabrication de preformes pour fibres optiques de caracteristiques regulieres.
JPH04198035A (ja) * 1990-11-28 1992-07-17 Fujikura Ltd 光ファイバ母材の製造方法
JPH06157058A (ja) * 1991-06-20 1994-06-03 Sumitomo Electric Ind Ltd ガラス母材の火炎研磨方法
JP2553791B2 (ja) * 1991-07-26 1996-11-13 住友電気工業株式会社 ガラス母材の火炎研磨方法
KR0182520B1 (ko) * 1992-11-30 1999-05-01 윤종용 트레이 자동공급용 제어장치
JP3387137B2 (ja) * 1993-02-22 2003-03-17 住友電気工業株式会社 ガラス母材の火炎研磨方法
JPH08259253A (ja) * 1995-03-24 1996-10-08 Sumitomo Electric Ind Ltd 光ファイバの線引方法及び線引装置
DE19513862C2 (de) * 1995-04-12 1997-12-18 Alcatel Kabel Ag Verfahren und Vorrichtung zum Feuerpolieren eines langgestreckten Glaskörpers
JP3678294B2 (ja) * 1995-05-15 2005-08-03 住友電気工業株式会社 ガラス母材の火炎研磨方法
KR970006994A (ko) * 1995-07-01 1997-02-21 김태구 무단변속기구
FR2753699B1 (fr) * 1996-09-24 1998-11-20 Procede de fabrication d'une preforme pour fibre optique
WO2000076926A1 (fr) 1999-06-14 2000-12-21 The Furukawa Electric Co., Ltd. Procede et dispositif de chauffage/usinage de l'extremite du materiau de base d'une fibre optique

Also Published As

Publication number Publication date
EP1022258A1 (de) 2000-07-26
TW504500B (en) 2002-10-01
EP1022258B1 (de) 2005-03-16
KR100630915B1 (ko) 2006-10-02
JP2000203861A (ja) 2000-07-25
US6467311B1 (en) 2002-10-22
JP3017989B1 (ja) 2000-03-13
KR20000062486A (ko) 2000-10-25
DE60018622T2 (de) 2006-04-13

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Legal Events

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8364 No opposition during term of opposition