DE68904607D1 - Verfahren zum herstellen von glasvorformen fuer optische fasern. - Google Patents

Verfahren zum herstellen von glasvorformen fuer optische fasern.

Info

Publication number
DE68904607D1
DE68904607D1 DE8989111759T DE68904607T DE68904607D1 DE 68904607 D1 DE68904607 D1 DE 68904607D1 DE 8989111759 T DE8989111759 T DE 8989111759T DE 68904607 T DE68904607 T DE 68904607T DE 68904607 D1 DE68904607 D1 DE 68904607D1
Authority
DE
Germany
Prior art keywords
optical fibers
glass preform
producing glass
producing
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 - Fee Related
Application number
DE8989111759T
Other languages
English (en)
Other versions
DE68904607T2 (de
Inventor
Masumi C O Yokohama Works Ito
Hiroshi C O Yokohama Wo Yokota
Toshio C O Yokohama Wo Danzuka
Masahiro C O Yokohama W Takagi
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries 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
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of DE68904607D1 publication Critical patent/DE68904607D1/de
Application granted granted Critical
Publication of DE68904607T2 publication Critical patent/DE68904607T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C03B37/10—Non-chemical treatment
    • C03B37/12—Non-chemical treatment of fibres or filaments during winding up
    • 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
    • C03B20/00—Processes specially adapted for the production of quartz or fused silica articles, not otherwise provided for
    • 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
    • C03B37/10—Non-chemical treatment
    • C03B37/14—Re-forming fibres or filaments, i.e. changing their shape
    • 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)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Melting And Manufacturing (AREA)
DE8989111759T 1988-06-28 1989-06-28 Verfahren zum herstellen von glasvorformen fuer optische fasern. Expired - Fee Related DE68904607T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63159058A JPH029727A (ja) 1988-06-28 1988-06-28 光フアイバ用母材の製造方法

Publications (2)

Publication Number Publication Date
DE68904607D1 true DE68904607D1 (de) 1993-03-11
DE68904607T2 DE68904607T2 (de) 1993-07-15

Family

ID=15685300

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989111759T Expired - Fee Related DE68904607T2 (de) 1988-06-28 1989-06-28 Verfahren zum herstellen von glasvorformen fuer optische fasern.

Country Status (7)

Country Link
US (1) US4978378A (de)
EP (1) EP0348935B1 (de)
JP (1) JPH029727A (de)
KR (1) KR910009177B1 (de)
AU (1) AU609621B2 (de)
CA (1) CA1338203C (de)
DE (1) DE68904607T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5169421A (en) * 1990-09-15 1992-12-08 The Furukawa Electric Co., Ltd. Method of manufacturing silica glass optical waveguide preform
DE4236578A1 (de) * 1992-10-29 1994-06-23 Deutsche Bundespost Telekom Verfahren und Vorrichtung zur Vorformherstellung für Quarzglas- Lichtwellenleiter
US5356449A (en) * 1993-05-24 1994-10-18 At&T Bell Laboratories Vad process improvements
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
JPH1011022A (ja) 1996-06-18 1998-01-16 Sharp Corp 表示装置の駆動回路
US6289698B1 (en) 1996-08-02 2001-09-18 Corning Incorporated Method of making a fiber preform with increases in alumina concentration at radial distances
JP2003183042A (ja) * 2001-12-14 2003-07-03 Shin Etsu Chem Co Ltd 光ファイバ用母材の製造方法及びその製造方法で製造した光ファイバ用母材
US20030221459A1 (en) * 2002-05-31 2003-12-04 Walczak Wanda J. Method for forming an optical waveguide fiber preform
US20030226376A1 (en) * 2002-06-10 2003-12-11 General Electric Company Fabrication of heavy walled silica tubing
US20040118164A1 (en) * 2002-12-19 2004-06-24 Boek Heather D. Method for heat treating a glass article
US8789393B2 (en) * 2004-11-29 2014-07-29 The Furukawa Electric Co., Ltd. Optical fiber preform, method of manufacturing optical fiber preform, and method of manufacturing optical fiber
US20060281623A1 (en) * 2005-06-10 2006-12-14 General Electric Company Free-formed quartz glass ingots and method for making the same
US7450806B2 (en) * 2005-11-08 2008-11-11 Corning Incorporated Microstructured optical fibers and methods
WO2008069194A1 (ja) * 2006-12-05 2008-06-12 Shin-Etsu Quartz Products Co., Ltd. 合成不透明石英ガラス及びその製造方法
JP5345352B2 (ja) * 2008-08-04 2013-11-20 株式会社フジクラ 光ファイバ用母材の製造方法
CN110636992B (zh) 2017-05-15 2022-03-18 住友电气工业株式会社 光纤母材的制造方法及光纤母材
US11634351B2 (en) * 2019-08-13 2023-04-25 Sterlite Technologies Limited Method for sintering of optical fibre preform

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3806570A (en) * 1972-03-30 1974-04-23 Corning Glass Works Method for producing high quality fused silica
GB1586119A (en) * 1976-07-05 1981-03-18 Fujitsu Ltd Method of producing an optical fibre preform
US4157906A (en) * 1978-02-21 1979-06-12 Corning Glass Works Method of drawing glass optical waveguides
US4251251A (en) * 1979-05-31 1981-02-17 Corning Glass Works Method of making optical devices
DE2938218C2 (de) * 1979-09-21 1986-10-09 Corning Glass Works, Corning, N.Y. Verfahren zur Herstellung eines Glasgegenstandes
DE3133013A1 (de) * 1980-08-26 1982-04-08 Western Electric Co., Inc., 10038 New York, N.Y. "verfahren zum herstellen eines lichtleiterfaserrohlings"
US4586943A (en) * 1983-10-20 1986-05-06 Sumitomo Electric Industries, Ltd. Method for the production of glass preform for optical fibers
JPS60239336A (ja) * 1984-05-11 1985-11-28 Furukawa Electric Co Ltd:The 石英系多孔質ガラス母材の熱処理方法
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
JPS6265948A (ja) * 1985-09-14 1987-03-25 Furukawa Electric Co Ltd:The 光フアイバ母材の製造方法
JPS6272537A (ja) * 1985-09-25 1987-04-03 Asahi Glass Co Ltd 高純度石英ガラスの製造方法
JPS62176936A (ja) * 1986-01-30 1987-08-03 Sumitomo Electric Ind Ltd 光フアイバプリフオ−ムの製造方法および製造装置
JPH0196039A (ja) * 1987-10-07 1989-04-14 Sumitomo Electric Ind Ltd 光フアイバ用母材の製造方法

Also Published As

Publication number Publication date
JPH0478568B2 (de) 1992-12-11
AU609621B2 (en) 1991-05-02
AU3708089A (en) 1990-01-04
EP0348935B1 (de) 1993-01-27
EP0348935A3 (en) 1990-07-11
JPH029727A (ja) 1990-01-12
KR910000550A (ko) 1991-01-29
CA1338203C (en) 1996-04-02
EP0348935A2 (de) 1990-01-03
US4978378A (en) 1990-12-18
KR910009177B1 (ko) 1991-11-04
DE68904607T2 (de) 1993-07-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee