KR950008578B1 - 광파이버용 다공질모재의 가열투명화방법 - Google Patents

광파이버용 다공질모재의 가열투명화방법 Download PDF

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Publication number
KR950008578B1
KR950008578B1 KR1019920024431A KR920024431A KR950008578B1 KR 950008578 B1 KR950008578 B1 KR 950008578B1 KR 1019920024431 A KR1019920024431 A KR 1019920024431A KR 920024431 A KR920024431 A KR 920024431A KR 950008578 B1 KR950008578 B1 KR 950008578B1
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KR
South Korea
Prior art keywords
gas
section
base material
vacuum furnace
porous
Prior art date
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Expired - Lifetime
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KR1019920024431A
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English (en)
Korean (ko)
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KR930012607A (ko
Inventor
이치로 쯔찌야
토시오 단즈카
마스무 이또
Original Assignee
스미도모덴기고오교오 가부시기가이샤
쿠라우찌 노리타카
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Application filed by 스미도모덴기고오교오 가부시기가이샤, 쿠라우찌 노리타카 filed Critical 스미도모덴기고오교오 가부시기가이샤
Publication of KR930012607A publication Critical patent/KR930012607A/ko
Application granted granted Critical
Publication of KR950008578B1 publication Critical patent/KR950008578B1/ko
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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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
KR1019920024431A 1991-12-16 1992-12-16 광파이버용 다공질모재의 가열투명화방법 Expired - Lifetime KR950008578B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP91-332047 1991-12-16
JP33204791A JP3175247B2 (ja) 1991-12-16 1991-12-16 光ファイバ用多孔質母材の加熱透明化方法

Publications (2)

Publication Number Publication Date
KR930012607A KR930012607A (ko) 1993-07-20
KR950008578B1 true KR950008578B1 (ko) 1995-08-03

Family

ID=18250551

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920024431A Expired - Lifetime KR950008578B1 (ko) 1991-12-16 1992-12-16 광파이버용 다공질모재의 가열투명화방법

Country Status (9)

Country Link
US (1) US5470369A (https=)
EP (1) EP0547560B2 (https=)
JP (1) JP3175247B2 (https=)
KR (1) KR950008578B1 (https=)
CN (1) CN1035990C (https=)
AU (1) AU656643B2 (https=)
CA (1) CA2085198C (https=)
DE (1) DE69222619D1 (https=)
TW (1) TW279153B (https=)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05105455A (ja) * 1991-06-25 1993-04-27 Sumitomo Electric Ind Ltd ガラス物品の製造方法
AU653411B2 (en) * 1991-07-19 1994-09-29 Sumitomo Electric Industries, Ltd. Method for producing glass preform for optical fiber
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
US6011644A (en) * 1994-07-29 2000-01-04 Corning Incorporated Hybrid fiber amplifier
US5656057A (en) * 1995-05-19 1997-08-12 Corning Incorporated Method for drying and sintering an optical fiber preform
JP3845906B2 (ja) * 1996-08-09 2006-11-15 住友電気工業株式会社 合成シリカガラスの製造方法
ID24704A (id) * 1997-07-15 2000-08-03 Corning Inc Mengurangi sensitifitas h2 pada serat optik
GB2362645B (en) * 1997-09-08 2002-03-20 Sumitomo Electric Industries Apparatus for producing glass preform
US5974838A (en) * 1998-07-07 1999-11-02 Alcatel Optical fiber graphite furnace featuring an automatic shutter door system for feeding an optical preform
US6543257B1 (en) * 1999-05-28 2003-04-08 The Furukawa Electric Co., Ltd. Dehydration and sintering apparatus for porous optical fiber preform
DE10020033C2 (de) * 2000-04-22 2003-04-03 Heraeus Quarzglas Vorrichtung zum Sintern eines Formkörpers
JP4379554B2 (ja) * 2000-09-01 2009-12-09 住友電気工業株式会社 光ファイバ母材の脱水焼結方法
WO2002098808A1 (en) * 2001-05-31 2002-12-12 Corning Incorporated Method of low pmd optical fiber manufacture
US7272285B2 (en) * 2001-07-16 2007-09-18 Massachusetts Institute Of Technology Fiber waveguides and methods of making the same
JP3753975B2 (ja) * 2001-11-29 2006-03-08 株式会社フジクラ シングルモード光ファイバの製造方法及びシングルモード光ファイバ
US7866189B2 (en) * 2003-12-08 2011-01-11 Fujikura Ltd. Dehydration-sintering furnace, a manufacturing method of an optical fiber preform utilizing the furnace and an optical fiber preform manufactured by the method
DE102004035086B4 (de) * 2004-07-20 2008-07-03 Heraeus Quarzglas Gmbh & Co. Kg Verfahren zur Herstellung eines Hohlzylinders aus Quarzglas mit kleinem Innendurchmesser sowie zur Durchführung des Verfahrens geeignete Vorrichtung
CN100397114C (zh) * 2004-09-08 2008-06-25 江苏法尔胜光子有限公司 一种光纤预制棒的保温装置
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
JP4712359B2 (ja) * 2004-11-29 2011-06-29 古河電気工業株式会社 光ファイバの製造方法
JP4951906B2 (ja) * 2005-09-09 2012-06-13 住友電気工業株式会社 ガラス母材の製造方法
KR100713460B1 (ko) * 2005-12-20 2007-04-30 삼성전자주식회사 광섬유 모재의 소결 장치
JP4640293B2 (ja) * 2006-08-24 2011-03-02 住友電気工業株式会社 石英ガラス体製造方法
US20100122558A1 (en) * 2008-11-19 2010-05-20 John Michael Jewell Apparatus and Method of Sintering an Optical Fiber Preform
KR101210064B1 (ko) * 2010-09-01 2012-12-07 엘지이노텍 주식회사 진공 열처리 장치
JP2013056808A (ja) * 2011-09-09 2013-03-28 Sumitomo Electric Ind Ltd ガラス母材の製造方法
JP2014201513A (ja) * 2013-04-10 2014-10-27 信越化学工業株式会社 焼結装置
EP3224211B1 (en) * 2014-11-26 2021-05-05 Corning Incorporated Method for making halogen doped optical element
US11554981B2 (en) * 2019-06-11 2023-01-17 Corning Incorporated Apparatuses and methods for processing optical fiber preforms

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5924742B2 (ja) * 1979-10-25 1984-06-12 日本電信電話株式会社 光フアイバ用ガラス素材の製造方法
JPS59174538A (ja) † 1983-03-24 1984-10-03 Hitachi Cable Ltd 光フアイバ母材の製造方法
JPS6090836A (ja) * 1983-10-25 1985-05-22 Shin Etsu Chem Co Ltd 合成石英の製造方法
JPS60215537A (ja) * 1984-04-06 1985-10-28 Furukawa Electric Co Ltd:The 光フアイバ用多孔質母材の処理方法
CA1290942C (en) * 1985-03-18 1991-10-22 Michihisa Kyoto Method for producing glass preform for optical fiber
EP0228082B1 (en) * 1985-12-27 1990-10-03 Sumitomo Electric Industries Limited Method of making optical glass article
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
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
US4789389A (en) † 1987-05-20 1988-12-06 Corning Glass Works Method for producing ultra-high purity, optical quality, glass articles
US4961767A (en) * 1987-05-20 1990-10-09 Corning Incorporated Method for producing ultra-high purity, optical quality, glass articles
JPH01131033A (ja) * 1987-11-16 1989-05-23 Fujikura Ltd 光ファイバ母材の製造方法
JPH01183430A (ja) * 1988-01-14 1989-07-21 Sumitomo Electric Ind Ltd 多孔質光ファイバ母材の脱水焼結炉
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
JPH0251436A (ja) * 1988-08-11 1990-02-21 Fujikura Ltd 光ファイバ母材の脱水焼結炉
JPH03131544A (ja) * 1989-06-29 1991-06-05 Sumitomo Electric Ind Ltd 光ファイバ用ガラス母材の加熱炉および製法
JPH03247523A (ja) * 1990-02-26 1991-11-05 Asahi Glass Co Ltd 石英ガラスの製造法および石英ガラス
JPH03265533A (ja) * 1990-03-16 1991-11-26 Fujikura Ltd 光フアイバの製造方法

Also Published As

Publication number Publication date
US5470369A (en) 1995-11-28
EP0547560B2 (en) 2001-03-28
JP3175247B2 (ja) 2001-06-11
TW279153B (https=) 1996-06-21
CN1076430A (zh) 1993-09-22
KR930012607A (ko) 1993-07-20
EP0547560A3 (en) 1993-09-22
DE69222619D1 (de) 1997-11-13
EP0547560A2 (en) 1993-06-23
JPH05163038A (ja) 1993-06-29
CA2085198A1 (en) 1993-06-17
EP0547560B1 (en) 1997-10-08
AU656643B2 (en) 1995-02-09
CN1035990C (zh) 1997-10-01
CA2085198C (en) 1996-10-01
AU3015092A (en) 1993-06-17

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