JPH0478568B2 - - Google Patents

Info

Publication number
JPH0478568B2
JPH0478568B2 JP63159058A JP15905888A JPH0478568B2 JP H0478568 B2 JPH0478568 B2 JP H0478568B2 JP 63159058 A JP63159058 A JP 63159058A JP 15905888 A JP15905888 A JP 15905888A JP H0478568 B2 JPH0478568 B2 JP H0478568B2
Authority
JP
Japan
Prior art keywords
glass
base material
atmosphere
bubbles
minutes
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
JP63159058A
Other languages
English (en)
Japanese (ja)
Other versions
JPH029727A (ja
Inventor
Masumi Ito
Hiroshi Yokota
Toshio Danzuka
Masahiro 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
Priority to JP63159058A priority Critical patent/JPH029727A/ja
Priority to KR1019890008705A priority patent/KR910009177B1/ko
Priority to AU37080/89A priority patent/AU609621B2/en
Priority to CA000604213A priority patent/CA1338203C/en
Priority to US07/372,084 priority patent/US4978378A/en
Priority to EP89111759A priority patent/EP0348935B1/en
Priority to DE8989111759T priority patent/DE68904607T2/de
Publication of JPH029727A publication Critical patent/JPH029727A/ja
Publication of JPH0478568B2 publication Critical patent/JPH0478568B2/ja
Granted 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)
JP63159058A 1988-06-28 1988-06-28 光フアイバ用母材の製造方法 Granted JPH029727A (ja)

Priority Applications (7)

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
KR1019890008705A KR910009177B1 (ko) 1988-06-28 1989-06-23 광파이버용 모재의 제조방법
AU37080/89A AU609621B2 (en) 1988-06-28 1989-06-27 Method for producing glass preform for optical fiber
CA000604213A CA1338203C (en) 1988-06-28 1989-06-28 Method for producing glass preform for optical fiber
US07/372,084 US4978378A (en) 1988-06-28 1989-06-28 Method for producing glass preform for optical fiber
EP89111759A EP0348935B1 (en) 1988-06-28 1989-06-28 Method for producing glass preform for optical fiber
DE8989111759T DE68904607T2 (de) 1988-06-28 1989-06-28 Verfahren zum herstellen von glasvorformen fuer optische fasern.

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
JPH029727A JPH029727A (ja) 1990-01-12
JPH0478568B2 true JPH0478568B2 (en]) 1992-12-11

Family

ID=15685300

Family Applications (1)

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

Country Status (7)

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

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
CN102583997B (zh) * 2004-11-29 2015-03-11 古河电气工业株式会社 光纤母材、光纤母材的制造方法以及光纤的制造方法
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
KR101403349B1 (ko) * 2006-12-05 2014-06-05 신에쯔 세끼에이 가부시키가이샤 합성 불투명 석영유리 및 그 제조방법
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
JP7070561B2 (ja) 2017-05-15 2022-05-18 住友電気工業株式会社 光ファイバ母材の製造方法および光ファイバ母材
US11634351B2 (en) * 2019-08-13 2023-04-25 Sterlite Technologies Limited Method for sintering of optical fibre preform

Family Cites Families (12)

* 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
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
AU609621B2 (en) 1991-05-02
AU3708089A (en) 1990-01-04
DE68904607T2 (de) 1993-07-15
KR910009177B1 (ko) 1991-11-04
CA1338203C (en) 1996-04-02
US4978378A (en) 1990-12-18
DE68904607D1 (de) 1993-03-11
EP0348935B1 (en) 1993-01-27
EP0348935A2 (en) 1990-01-03
KR910000550A (ko) 1991-01-29
JPH029727A (ja) 1990-01-12
EP0348935A3 (en) 1990-07-11

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