DE69012350T2 - Ofen für die Herstellung von Vorformen für optische Faser. - Google Patents

Ofen für die Herstellung von Vorformen für optische Faser.

Info

Publication number
DE69012350T2
DE69012350T2 DE69012350T DE69012350T DE69012350T2 DE 69012350 T2 DE69012350 T2 DE 69012350T2 DE 69012350 T DE69012350 T DE 69012350T DE 69012350 T DE69012350 T DE 69012350T DE 69012350 T2 DE69012350 T2 DE 69012350T2
Authority
DE
Germany
Prior art keywords
preforms
oven
production
optical fibers
fibers
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
DE69012350T
Other languages
English (en)
Other versions
DE69012350D1 (de
Inventor
Ichiro Tsuchiya
Masahide Saito
Shinji Ishikawa
Yuichi Ohga
Hiroo Kanamori
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
Priority claimed from JP1246332A external-priority patent/JPH03109228A/ja
Priority claimed from JP3972790A external-priority patent/JPH0832570B2/ja
Priority claimed from JP2039726A external-priority patent/JPH07106926B2/ja
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Application granted granted Critical
Publication of DE69012350D1 publication Critical patent/DE69012350D1/de
Publication of DE69012350T2 publication Critical patent/DE69012350T2/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
    • 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

Landscapes

  • 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)
DE69012350T 1989-09-25 1990-09-25 Ofen für die Herstellung von Vorformen für optische Faser. Expired - Fee Related DE69012350T2 (de)

Applications Claiming Priority (3)

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
JP3972790A JPH0832570B2 (ja) 1990-02-22 1990-02-22 高純度石英母材製造用加熱炉
JP2039726A JPH07106926B2 (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
DE69012350D1 DE69012350D1 (de) 1994-10-13
DE69012350T2 true DE69012350T2 (de) 1995-02-23

Family

ID=27290247

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69012350T Expired - Fee Related DE69012350T2 (de) 1989-09-25 1990-09-25 Ofen für die Herstellung von Vorformen für optische Faser.
DE90118393T Expired - Fee Related DE69005246T2 (de) 1989-09-25 1990-09-25 Ofen für die Herstellung einer optischen Faservorform.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE90118393T Expired - Fee Related DE69005246T2 (de) 1989-09-25 1990-09-25 Ofen für die Herstellung einer optischen Faservorform.

Country Status (5)

Country Link
EP (2) EP0420148B1 (de)
KR (1) KR930004550B1 (de)
AU (1) AU637403B2 (de)
CA (1) CA2025880A1 (de)
DE (2) DE69012350T2 (de)

Families Citing this family (4)

* 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
KR100345327B1 (ko) * 1995-12-19 2002-12-16 삼성탈레스 주식회사 주사 변환 회로
KR20010031525A (ko) * 1997-10-31 2001-04-16 알프레드 엘. 미첼슨 도파관 섬유 인발방법 및 장치
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
DE2818550C2 (de) * 1977-04-30 1990-03-29 Sumitomo Electric Industries, Ltd., Osaka Vorrichtung zum Ziehen von optischen Fasern
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.
US4969941A (en) * 1987-02-16 1990-11-13 Sumitomo Electric Industries, Ltd. Furnace for heating glass preform for optical fiber and method for producing glass preform
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

Also Published As

Publication number Publication date
EP0509564A3 (en) 1992-12-30
KR910006159A (ko) 1991-04-27
EP0420148A1 (de) 1991-04-03
CA2025880A1 (en) 1991-03-26
DE69005246T2 (de) 1994-05-11
DE69005246D1 (de) 1994-01-27
AU637403B2 (en) 1993-05-27
EP0509564A2 (de) 1992-10-21
EP0420148B1 (de) 1993-12-15
AU6313490A (en) 1991-03-28
EP0509564B1 (de) 1994-09-07
DE69012350D1 (de) 1994-10-13
KR930004550B1 (en) 1993-06-01

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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