KR910006159A - 광파이버용 고순도석영 모재제조용 가열로 - Google Patents

광파이버용 고순도석영 모재제조용 가열로 Download PDF

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Publication number
KR910006159A
KR910006159A KR1019900015203A KR900015203A KR910006159A KR 910006159 A KR910006159 A KR 910006159A KR 1019900015203 A KR1019900015203 A KR 1019900015203A KR 900015203 A KR900015203 A KR 900015203A KR 910006159 A KR910006159 A KR 910006159A
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KR
South Korea
Prior art keywords
purity
gas
impermeable
carbon
muffle tube
Prior art date
Application number
KR1019900015203A
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English (en)
Other versions
KR930004550B1 (en
Inventor
이찌로오 츠찌야
유우이찌 오오가
신지 이시가와
마사히데 사이또오
히로오 카나모리
Original Assignee
나까하라 쯔네오
스미도모덴기고오교오 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.)
Filing date
Publication date
Priority claimed from JP1246332A external-priority patent/JPH03109228A/ja
Priority claimed from JP2039726A external-priority patent/JPH07106926B2/ja
Priority claimed from JP3972790A external-priority patent/JPH0832570B2/ja
Application filed by 나까하라 쯔네오, 스미도모덴기고오교오 가부시기가이샤 filed Critical 나까하라 쯔네오
Publication of KR910006159A publication Critical patent/KR910006159A/ko
Application granted granted Critical
Publication of KR930004550B1 publication Critical patent/KR930004550B1/ko

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • 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
    • C03B2201/00—Type of glass produced
    • C03B2201/06—Doped silica-based glasses
    • C03B2201/08—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant
    • C03B2201/12—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with fluorine

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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

광파이버용 고순도석영 모재제조용 가열로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (3)

  1. 기체불투과성의 내열재료로 형성된 머플관과 머플관을 둘러싸고 있는 노본체내의 발열체와, 상기 머플관내에 모재를 삽입하므로써 석영 유리모재의 가열처리를 위하여 발열체부근의 상기 머플관내에 착탈가능하게 부착된 내열부재로 형성된 내부원통을 구비한 광파이버용 고순도석영모제 제조용 가열로에 있어서, 상기 머플관이 기체 불투과성의 탄화규소를 피복한 고순도카아본, 기체불투과성의 탄화규소를 피복한 탄화규소소결체, 기체불투과성의 탄화규소 및 기체불투과성의 카아본을 피복한 고순도 카아본으로 이루어진 군중에서 선택된 재료로 형성되고, 상기 내부원통이 고순도카아본, 기체불투과성탄화규소를 피복한 고순도카아본 및 기체불투과성의 카아본을 피복한 고순도 카아본으로 이루어진 군중에서 선택된 재료로 형성되는 것을 특징으로하는 광파이버용 고순도석영모재제조용 가열로.
  2. 제1항에 있어서, 상기 머플관 내부원통 및 상기 머플관에 필요한 임의의 요소를 구성하는 고순도 카아본제 부품의 적어도 하나가 메조페이스분을 자체 소결하여 얻어진 흑연재료로 형성된 것을 특징으로하는 광파이버용 고순도 석영모재제조용 가열로.
  3. 제1항에 있어서, 상기 머플관, 내부원통 및 상기 머플관에 필요한 임의의 요소를 구성하는 고순도 카아본제 부품의 적어도 하나가, 최대입자경 50㎛ 이하이고, 평균입자경 20㎛이하인 원료로 구성된 군으로부터 선택된 원료로 구성된 고순도흑연재료로 형성된 것을 특징으로 하는 광파이버용 고순도 석영모재제조용 가열로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR9015203A 1989-09-25 1990-09-25 Furnace for production of optical fiber preform KR930004550B1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP1246332A JPH03109228A (ja) 1989-09-25 1989-09-25 高純度石英母材製造用加熱炉
JP1-246332 1989-09-25
JP2-39726 1990-02-22
JP2039726A JPH07106926B2 (ja) 1990-02-22 1990-02-22 高純度石英母材製造用加熱炉
JP2-39727 1990-02-22
JP3972790A JPH0832570B2 (ja) 1990-02-22 1990-02-22 高純度石英母材製造用加熱炉

Publications (2)

Publication Number Publication Date
KR910006159A true KR910006159A (ko) 1991-04-27
KR930004550B1 KR930004550B1 (en) 1993-06-01

Family

ID=27290247

Family Applications (1)

Application Number Title Priority Date Filing Date
KR9015203A KR930004550B1 (en) 1989-09-25 1990-09-25 Furnace for production of optical fiber preform

Country Status (5)

Country Link
EP (2) EP0420148B1 (ko)
KR (1) KR930004550B1 (ko)
AU (1) AU637403B2 (ko)
CA (1) CA2025880A1 (ko)
DE (2) DE69005246T2 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100345327B1 (ko) * 1995-12-19 2002-12-16 삼성탈레스 주식회사 주사 변환 회로

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2001521871A (ja) * 1997-10-31 2001-11-13 コーニング インコーポレイテッド 導波路ファイバの線引き装置及びその方法
DE19900375A1 (de) * 1999-01-08 2000-07-13 Alcatel Sa Vorrichtung zum Ziehen einer Faser

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1101164A (en) * 1977-04-30 1981-05-19 Sumitomo Electric Industries, Ltd. Method and apparatus for producing fibers for optical transmission
JPS61215226A (ja) * 1985-03-22 1986-09-25 Furukawa Electric Co Ltd:The 光学系ガラスス−ト用透明ガラス化炉
DE3885184T2 (de) * 1987-02-16 1994-04-14 Sumitomo Electric Industries Ofen zum erwärmen von glaswerkstoffen für optische fasern und verfahren zur herstellung.
DE3855370T2 (de) * 1987-02-16 1997-01-02 Sumitomo Electric Industries Ofen zum Erhitzen einer Glasvorform für optische Faser und Verfahren zum Herstellen einer Glasvorform
JPH02196045A (ja) * 1989-01-23 1990-08-02 Sumitomo Electric Ind Ltd 高純度石英母材製造用加熱炉
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
JP2808857B2 (ja) * 1989-09-06 1998-10-08 住友電気工業株式会社 光ファイバ用ガラス母材の加熱炉および製法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100345327B1 (ko) * 1995-12-19 2002-12-16 삼성탈레스 주식회사 주사 변환 회로

Also Published As

Publication number Publication date
DE69012350D1 (de) 1994-10-13
CA2025880A1 (en) 1991-03-26
KR930004550B1 (en) 1993-06-01
EP0420148A1 (en) 1991-04-03
EP0509564B1 (en) 1994-09-07
EP0509564A2 (en) 1992-10-21
DE69012350T2 (de) 1995-02-23
EP0509564A3 (en) 1992-12-30
EP0420148B1 (en) 1993-12-15
AU637403B2 (en) 1993-05-27
AU6313490A (en) 1991-03-28
DE69005246T2 (de) 1994-05-11
DE69005246D1 (de) 1994-01-27

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