KR860002430A - 저손실광파이버의 제조방법 - Google Patents

저손실광파이버의 제조방법 Download PDF

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Publication number
KR860002430A
KR860002430A KR1019850005439A KR850005439A KR860002430A KR 860002430 A KR860002430 A KR 860002430A KR 1019850005439 A KR1019850005439 A KR 1019850005439A KR 850005439 A KR850005439 A KR 850005439A KR 860002430 A KR860002430 A KR 860002430A
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KR
South Korea
Prior art keywords
base material
spout base
optical fiber
furnace
manufacturing
Prior art date
Application number
KR1019850005439A
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English (en)
Other versions
KR890003707B1 (ko
Inventor
미찌히사 교오또
미노루 와따나베
요오이찌 이시구로
Original Assignee
나까하라 쯔네오
스미도모덴기 고오교오 가부시기가이샤
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.)
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Publication date
Application filed by 나까하라 쯔네오, 스미도모덴기 고오교오 가부시기가이샤 filed Critical 나까하라 쯔네오
Publication of KR860002430A publication Critical patent/KR860002430A/ko
Application granted granted Critical
Publication of KR890003707B1 publication Critical patent/KR890003707B1/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
    • C03B37/01—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]
    • C03B37/018—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] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • 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
    • C03B32/00—Thermal after-treatment of glass products not provided for in groups C03B19/00, C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation, eliminating gas inclusions or other impurities; Hot-pressing vitrified, non-porous, shaped glass products

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)

Abstract

내용 없음

Description

저손실광파이버의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제4도는 본 발명의 실시예에 사용한 탈수, 소결용 장치의 일례로서 경사소결에 사용하는 것을 설명하는 도면.
제5도는 본 발명의 실시예에 사용한 장치의 다른 일례로서, 발열체의 길이가 모재전장보다 긴것이며, 또, 그 하부에는 경사 소결용의 로를 비치하고 있는 것을 설명하는 도면.

Claims (1)

  1. 원료가스를 화염가수 분해반응시키므로서 유리미립자를 합성하고, 이 유리미립자를 기판위에 퇴적하여, 원주형상 또는 원통형상의 스우트 모재를 합성하고, 이 스우트 모재를 가열소결하여 투명유리화하는 방법에 있어서, 상기 스우트 모재를, 스우트 모재의 전체길이를 가열할 수 있는 로길이를 가진 로내에서, 염소를 함유한 분위기에서, 적어도 스우트 모재의 직경비로 20% 이상 수축하는 것을 가능케하는 온도 및 시간으로 탈수처리를 실시하고, 계속하여 이 스우트 모재를 순 He 가스분위기에서 일단으로부터 일부분식 투명유리화 가능한 온도역에 삽입하여 투명유리화하는 특징으로 하는 광파이버용 모재의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019850005439A 1984-09-19 1985-07-29 저손실광파이버의 제조방법 KR890003707B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59-194793 1984-09-19
JP59194793A JPS6172644A (ja) 1984-09-19 1984-09-19 低損失光フアイバの製造方法

Publications (2)

Publication Number Publication Date
KR860002430A true KR860002430A (ko) 1986-04-26
KR890003707B1 KR890003707B1 (ko) 1989-09-30

Family

ID=16330348

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850005439A KR890003707B1 (ko) 1984-09-19 1985-07-29 저손실광파이버의 제조방법

Country Status (8)

Country Link
US (1) US4664690A (ko)
EP (1) EP0175067B1 (ko)
JP (1) JPS6172644A (ko)
KR (1) KR890003707B1 (ko)
AU (1) AU574194B2 (ko)
CA (1) CA1238246A (ko)
DE (1) DE3565249D1 (ko)
DK (1) DK162384C (ko)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4741748A (en) * 1986-01-30 1988-05-03 Corning Glass Works Heating oven for preparing optical waveguide fibers
JPH0791081B2 (ja) * 1986-07-03 1995-10-04 住友電気工業株式会社 シングルモ−ドフアイバ用ガラス母材の製造方法
JP2640745B2 (ja) * 1987-07-20 1997-08-13 株式会社 フジクラ 不透明ガラスプリフオームの製造方法
JP2565712B2 (ja) * 1987-07-20 1996-12-18 株式会社フジクラ 光フアイバの製造方法
JP2640746B2 (ja) * 1987-08-03 1997-08-13 株式会社 フジクラ 光フアイバ用中間製品の製造方法
JPH029727A (ja) * 1988-06-28 1990-01-12 Sumitomo Electric Ind Ltd 光フアイバ用母材の製造方法
US5303318A (en) * 1991-11-01 1994-04-12 Nippon Telegraph & Telephone Corporation High power acceptable optical fiber and fabrication method thereof
US5641333A (en) * 1995-12-01 1997-06-24 Corning Incorporated Increasing the retention of Ge02 during production of glass articles
JP4596442B2 (ja) * 1999-04-26 2010-12-08 コーニング インコーポレイテッド 低水分ピーク光導波路ファイバおよびその製造方法
US6904772B2 (en) * 2000-12-22 2005-06-14 Corning Incorporated Method of making a glass preform for low water peak optical fiber
US6723435B1 (en) * 2001-08-28 2004-04-20 Nanogram Corporation Optical fiber preforms
KR101166205B1 (ko) * 2003-03-21 2012-07-18 헤라에우스 테네보 게엠베하 모재의 제조를 위한 합성 실리카 글래스 튜브, 수직 인발공정을 이용한 합성 실리카 글래스 튜브의 제조방법 및상기 튜브의 이용
WO2006071865A2 (en) * 2004-12-23 2006-07-06 Nextrom Holding, S.A. Method and apparatus for manufacturing an optical fiber core rod
EP3718976A4 (en) * 2017-12-01 2021-09-22 Furukawa Electric Co. Ltd. DEVICE FOR MANUFACTURING GLASS BODY, PROCESS FOR MANUFACTURING GLASS BODY, SOOT TRANSPORT MECHANISM AND SOOT HEATING MECHANISM

Family Cites Families (11)

* 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
US4125388A (en) * 1976-12-20 1978-11-14 Corning Glass Works Method of making optical waveguides
JPS5688836A (en) * 1979-12-20 1981-07-18 Nippon Telegr & Teleph Corp <Ntt> Preparation of glass stock for optical fiber
US4367085A (en) * 1980-01-07 1983-01-04 Nippon Telegraph & Telephone Public Corporation Method of fabricating multi-mode optical fiber preforms
US4304583A (en) * 1980-06-02 1981-12-08 Corning Glass Works Process for drying optical waveguide preforms
JPS5711842A (en) * 1980-06-26 1982-01-21 Nippon Telegr & Teleph Corp <Ntt> Preparation of base material for optical fiber and preparing apparatus
JPS57140328A (en) * 1981-02-20 1982-08-30 Hitachi Ltd Manufacture of base material for optical fiber
US4378985A (en) * 1981-06-04 1983-04-05 Corning Glass Works Method and apparatus for forming an optical waveguide fiber
JPS58140336A (ja) * 1982-02-12 1983-08-20 Shin Etsu Chem Co Ltd 光フアイバ−用母材の製造方法
JPS6046940A (ja) * 1983-08-22 1985-03-14 Furukawa Electric Co Ltd:The 光学系ガラス母材の製造方法とその装置
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

Also Published As

Publication number Publication date
EP0175067B1 (en) 1988-09-28
JPS6172644A (ja) 1986-04-14
EP0175067A1 (en) 1986-03-26
DK162384B (da) 1991-10-21
CA1238246A (en) 1988-06-21
DK162384C (da) 1992-03-23
US4664690A (en) 1987-05-12
DE3565249D1 (en) 1988-11-03
DK400585A (da) 1986-03-20
AU4382285A (en) 1986-03-27
DK400585D0 (da) 1985-09-02
JPH05350B2 (ko) 1993-01-05
KR890003707B1 (ko) 1989-09-30
AU574194B2 (en) 1988-06-30

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