KR920010088B1 - 고순도 석영모재 제조용 가열로 - Google Patents

고순도 석영모재 제조용 가열로 Download PDF

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Publication number
KR920010088B1
KR920010088B1 KR1019900000726A KR900000726A KR920010088B1 KR 920010088 B1 KR920010088 B1 KR 920010088B1 KR 1019900000726 A KR1019900000726 A KR 1019900000726A KR 900000726 A KR900000726 A KR 900000726A KR 920010088 B1 KR920010088 B1 KR 920010088B1
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KR
South Korea
Prior art keywords
carbon
base material
high purity
heating furnace
furnace
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Expired
Application number
KR1019900000726A
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English (en)
Korean (ko)
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KR900011674A (ko
Inventor
이찌로 쯔찌야
신지 이시카와
마사히데 사이또오
요이찌 이시구로
Original Assignee
스미도모덴기고오교오 가부시기가이샤
나까하라 쯔네오
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Publication date
Application filed by 스미도모덴기고오교오 가부시기가이샤, 나까하라 쯔네오 filed Critical 스미도모덴기고오교오 가부시기가이샤
Publication of KR900011674A publication Critical patent/KR900011674A/ko
Application granted granted Critical
Publication of KR920010088B1 publication Critical patent/KR920010088B1/ko
Expired legal-status Critical Current

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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
    • C03B37/14—Re-forming fibres or filaments, i.e. changing their shape
    • 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
    • C03B19/00—Other methods of shaping glass
    • C03B19/14—Other methods of shaping glass by gas- or vapour- phase reaction processes
    • 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/60—Optical fibre draw furnaces
    • C03B2205/62—Heating means for drawing
    • C03B2205/63—Ohmic resistance heaters, e.g. carbon or graphite resistance heaters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Furnace Details (AREA)
  • Resistance Heating (AREA)
KR1019900000726A 1989-01-23 1990-01-22 고순도 석영모재 제조용 가열로 Expired KR920010088B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1-14628 1989-01-23
JP1014628A JPH02196045A (ja) 1989-01-23 1989-01-23 高純度石英母材製造用加熱炉

Publications (2)

Publication Number Publication Date
KR900011674A KR900011674A (ko) 1990-08-01
KR920010088B1 true KR920010088B1 (ko) 1992-11-14

Family

ID=11866462

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900000726A Expired KR920010088B1 (ko) 1989-01-23 1990-01-22 고순도 석영모재 제조용 가열로

Country Status (6)

Country Link
US (1) US5114338A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0380054B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH02196045A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR920010088B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU618162B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE69006223T2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU626362B2 (en) * 1988-12-29 1992-07-30 Sumitomo Electric Industries, Ltd. Furnace for producing high purity quartz glass preform
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
CA2025880A1 (en) * 1989-09-25 1991-03-26 Ichiro Tsuchiya Furnace for production of optical fiber preform
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
US6474107B1 (en) * 1996-12-02 2002-11-05 Franklin W. Dabby Fluorinating an optical fiber preform in a pure aluminum oxide muffle tube
DE69800554T2 (de) * 1997-03-27 2001-10-25 Alcatel, Paris Thermische Isolierung eines Ofens zum Ziehen von optischen Fasern
US6371394B1 (en) 1998-12-23 2002-04-16 Pirelli Cavi E Sistemi S.P.A. Method for winding a fibre element having different longitudinal portions
ES2235956T3 (es) * 1999-10-29 2005-07-16 PIRELLI & C. S.P.A. Procedimiento de medicion de la torsion transmitida a una fibra optica y procedimiento de tratamiento de una fibra optica utilizando este procedimiento.
JP2001163632A (ja) * 1999-12-13 2001-06-19 Sumitomo Electric Ind Ltd 光ファイバ製造方法および光ファイバ製造装置
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
US8037717B2 (en) * 2001-10-26 2011-10-18 Corning Incorporated Methods and apparatus for pulsed doping or drying a soot preform
KR100461994B1 (ko) * 2001-12-10 2004-12-14 엘지전선 주식회사 광섬유 모재용 퍼니스장치
US20050126227A1 (en) * 2001-12-19 2005-06-16 Antonio Collaro Process for determining the drawing tension in the manufacturing of an optical fibre
DK1456140T3 (da) * 2001-12-21 2014-01-20 Prysmian Spa Fremgangsmåde til fremstilling af en mikrostruktureret optisk fiber
WO2004050573A1 (en) * 2002-09-25 2004-06-17 Giacomo Stefano Roba Process for producing an optical fiber having a low polarization mode dispersion
JP4198714B2 (ja) 2003-06-25 2008-12-17 株式会社フジクラ 光ファイバ母材の製造方法
FR2858465A1 (fr) * 2003-07-29 2005-02-04 Commissariat Energie Atomique Structures poreuses utilisables en tant que plaques bipolaires et procedes de preparation de telles structures poreuses
AU2003277845B2 (en) * 2003-08-29 2010-08-05 Prysmian Cavi E Sistemi Energia S.R.L. Process for producing a low polarization mode dispersion optical fiber
CN100437169C (zh) 2003-12-30 2008-11-26 普雷斯曼电缆及系统能源有限公司 低偏振模色散(pmd)光纤链路及其制造方法
JP2005194135A (ja) * 2004-01-07 2005-07-21 Shin Etsu Chem Co Ltd 光ファイバ用多孔質母材の製造方法及びガラス母材
US20060242998A1 (en) * 2005-04-29 2006-11-02 The Boc Group, Inc. Preform consolidation process
JP5503339B2 (ja) * 2009-03-16 2014-05-28 古河電気工業株式会社 多孔質ガラス母材の脱水焼結用加熱炉
DE102020109869A1 (de) * 2019-05-03 2020-11-05 Docter Optics Se Verfahren zur Herstellung eines optischen Elementes aus Glas

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2340519A1 (fr) * 1976-02-06 1977-09-02 France Etat Four pour tres hautes temperatures
DE2818550C2 (de) * 1977-04-30 1990-03-29 Sumitomo Electric Industries, Ltd., Osaka Vorrichtung zum Ziehen von optischen Fasern
DE3885184T2 (de) * 1987-02-16 1994-04-14 Sumitomo Electric Industries Ofen zum erwärmen von glaswerkstoffen für optische fasern und verfahren zur herstellung.

Also Published As

Publication number Publication date
EP0380054B1 (en) 1994-01-26
JPH02196045A (ja) 1990-08-02
AU4864990A (en) 1990-07-26
DE69006223T2 (de) 1994-07-07
DE69006223D1 (de) 1994-03-10
JPH0550448B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-07-29
US5114338A (en) 1992-05-19
AU618162B2 (en) 1991-12-12
EP0380054A1 (en) 1990-08-01
KR900011674A (ko) 1990-08-01

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