DE69205299D1 - Verfahren zum Herstellen einer Glasvorform für optische Faser. - Google Patents

Verfahren zum Herstellen einer Glasvorform für optische Faser.

Info

Publication number
DE69205299D1
DE69205299D1 DE69205299T DE69205299T DE69205299D1 DE 69205299 D1 DE69205299 D1 DE 69205299D1 DE 69205299 T DE69205299 T DE 69205299T DE 69205299 T DE69205299 T DE 69205299T DE 69205299 D1 DE69205299 D1 DE 69205299D1
Authority
DE
Germany
Prior art keywords
making
optical fiber
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.)
Expired - Fee Related
Application number
DE69205299T
Other languages
English (en)
Other versions
DE69205299T2 (de
Inventor
Toshio Danzuka
Masumi Ito
Tatsuhiko Saito
Ichiro Tsuchiya
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 DE69205299D1 publication Critical patent/DE69205299D1/de
Application granted granted Critical
Publication of DE69205299T2 publication Critical patent/DE69205299T2/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
    • C03B37/14—Re-forming fibres or filaments, i.e. changing their shape
    • 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
    • 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]
    • C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
    • C03B37/0146—Furnaces therefor, e.g. muffle tubes, furnace linings
    • 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]
    • C03B37/01466—Means for changing or stabilising the diameter or form of tubes or rods
    • 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
DE69205299T 1991-02-08 1992-02-06 Verfahren zum Herstellen einer Glasvorform für optische Faser. Expired - Fee Related DE69205299T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3017434A JPH04260630A (ja) 1991-02-08 1991-02-08 光ファイバ用母材の製造方法

Publications (2)

Publication Number Publication Date
DE69205299D1 true DE69205299D1 (de) 1995-11-16
DE69205299T2 DE69205299T2 (de) 1996-04-25

Family

ID=11943918

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69205299T Expired - Fee Related DE69205299T2 (de) 1991-02-08 1992-02-06 Verfahren zum Herstellen einer Glasvorform für optische Faser.

Country Status (7)

Country Link
US (1) US5236482A (de)
EP (1) EP0498415B1 (de)
JP (1) JPH04260630A (de)
KR (1) KR950006186B1 (de)
AU (1) AU649774B2 (de)
CA (1) CA2060762A1 (de)
DE (1) DE69205299T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5028246A (en) * 1986-02-03 1991-07-02 Ensign-Bickford Optical Technologies, Inc. Methods of making optical waveguides
JP2917729B2 (ja) * 1993-03-03 1999-07-12 住友電気工業株式会社 光ファイバ母材の製造方法
JP3060782B2 (ja) * 1993-06-08 2000-07-10 住友電気工業株式会社 高純度透明ガラスの製造方法
US20100122558A1 (en) * 2008-11-19 2010-05-20 John Michael Jewell Apparatus and Method of Sintering an Optical Fiber Preform

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3933454A (en) * 1974-04-22 1976-01-20 Corning Glass Works Method of making optical waveguides
JPS54142222A (en) * 1978-04-27 1979-11-06 Sumitomo Electric Industries Manufacture of light transmission glass
JPS5924743B2 (ja) * 1980-01-30 1984-06-12 日本電信電話株式会社 光フアイバ母材の製造法
JPS58125619A (ja) * 1982-01-18 1983-07-26 Nippon Telegr & Teleph Corp <Ntt> 光伝送用ガラス母材の製造方法
US4596589A (en) * 1984-02-09 1986-06-24 Perry Gregory A Method for producing a single mode fiber preform
US4579571A (en) * 1984-10-09 1986-04-01 Polaroid Corporation Method for fabricating optical fiber preforms
CA1290942C (en) * 1985-03-18 1991-10-22 Michihisa Kyoto Method for producing glass preform for optical fiber
US4620861A (en) * 1985-11-04 1986-11-04 Corning Glass Works Method for making index-profiled optical device
EP0257587B1 (de) * 1986-08-29 1990-10-31 AT&T Corp. Verfahren zum Bekleiden von optischen Vorformen mit Glasruss
JP2559395B2 (ja) * 1987-02-17 1996-12-04 住友電気工業株式会社 高純度透明ガラスの製造方法及び製造装置
US4810276A (en) * 1987-08-05 1989-03-07 Corning Glass Works Forming optical fiber having abrupt index change
JP2514689B2 (ja) * 1988-04-28 1996-07-10 住友電気工業株式会社 光フアイバ用プリフォ―ムの製造方法

Also Published As

Publication number Publication date
KR920016362A (ko) 1992-09-24
US5236482A (en) 1993-08-17
CA2060762A1 (en) 1992-08-09
DE69205299T2 (de) 1996-04-25
JPH04260630A (ja) 1992-09-16
AU649774B2 (en) 1994-06-02
EP0498415B1 (de) 1995-10-11
EP0498415A1 (de) 1992-08-12
KR950006186B1 (ko) 1995-06-12
AU1074892A (en) 1992-08-13

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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