AU618162B2 - Furnace for heating highly pure quartz preform for optical fiber - Google Patents

Furnace for heating highly pure quartz preform for optical fiber Download PDF

Info

Publication number
AU618162B2
AU618162B2 AU48649/90A AU4864990A AU618162B2 AU 618162 B2 AU618162 B2 AU 618162B2 AU 48649/90 A AU48649/90 A AU 48649/90A AU 4864990 A AU4864990 A AU 4864990A AU 618162 B2 AU618162 B2 AU 618162B2
Authority
AU
Australia
Prior art keywords
carbon
muffle tube
heating furnace
preform
heating
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.)
Ceased
Application number
AU48649/90A
Other languages
English (en)
Other versions
AU4864990A (en
Inventor
Yoichi Ishiguro
Shinji Ishikawa
Masahide Saitoh
Ichiro Tsuchiya
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
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of AU4864990A publication Critical patent/AU4864990A/en
Application granted granted Critical
Publication of AU618162B2 publication Critical patent/AU618162B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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)
AU48649/90A 1989-01-23 1990-01-22 Furnace for heating highly pure quartz preform for optical fiber Ceased AU618162B2 (en)

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
AU4864990A AU4864990A (en) 1990-07-26
AU618162B2 true AU618162B2 (en) 1991-12-12

Family

ID=11866462

Family Applications (1)

Application Number Title Priority Date Filing Date
AU48649/90A Ceased AU618162B2 (en) 1989-01-23 1990-01-22 Furnace for heating highly pure quartz preform for optical fiber

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU637403B2 (en) * 1989-09-25 1993-05-27 Sumitomo Electric Industries, Ltd. Furnace for production of optical fiber preform

Families Citing this family (22)

* 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
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
EP0867414A1 (en) * 1997-03-27 1998-09-30 Alcatel Graphite liner and heating element impregnated with vitreous carbon for a furnace for drawing optical fibers
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
EP1226415B1 (en) * 1999-10-29 2005-01-19 Pirelli & C. S.p.A. Method of measuring the twist imparted to an optical fibre and procedure for processing an optical fibre using this method
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
EP1456141A1 (en) * 2001-12-19 2004-09-15 Pirelli & C. S.p.A. Process for determining the drawing tension in the manufacturing of an optical fibre
US7779651B2 (en) * 2001-12-21 2010-08-24 Prysmian Cavi E Sistemi Energia S.R.L. Process for manufacturing a micro-structured optical fibre
WO2004050573A1 (en) * 2002-09-25 2004-06-17 Giacomo Stefano Roba Process for producing an optical fiber having a low polarization mode dispersion
CN100572314C (zh) * 2003-06-25 2009-12-23 株式会社藤仓 光纤母材的制造方法及其装置
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
CN100595170C (zh) * 2003-08-29 2010-03-24 普雷斯曼电缆及系统能源有限公司 制造低偏振模色散光纤的方法
DE602004020807D1 (de) 2003-12-30 2009-06-04 Prysmian Spa Optische faserverbindung mit niedriger polarisationsmodendispersion (pmd) und herstellungsverfahren dafür
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

Citations (2)

* 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
AU593724B2 (en) * 1987-02-16 1990-02-15 Sumitomo Electric Industries, Ltd. Furnace for heating glass preform for optical fiber and method for producing glass preform

Family Cites Families (1)

* 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

Patent Citations (2)

* 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
AU593724B2 (en) * 1987-02-16 1990-02-15 Sumitomo Electric Industries, Ltd. Furnace for heating glass preform for optical fiber and method for producing glass preform

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU637403B2 (en) * 1989-09-25 1993-05-27 Sumitomo Electric Industries, Ltd. Furnace for production of optical fiber preform

Also Published As

Publication number Publication date
DE69006223D1 (de) 1994-03-10
DE69006223T2 (de) 1994-07-07
US5114338A (en) 1992-05-19
KR900011674A (ko) 1990-08-01
EP0380054B1 (en) 1994-01-26
JPH0550448B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-07-29
EP0380054A1 (en) 1990-08-01
AU4864990A (en) 1990-07-26
KR920010088B1 (ko) 1992-11-14
JPH02196045A (ja) 1990-08-02

Similar Documents

Publication Publication Date Title
AU618162B2 (en) Furnace for heating highly pure quartz preform for optical fiber
US4969941A (en) Furnace for heating glass preform for optical fiber and method for producing glass preform
EP0139348B1 (en) Optical fiber and method for its production
US5259856A (en) Method of producing glass preform in furnace for heating glass
US5106401A (en) Process for thermal treatment of glass fiber preform
CA1123684A (en) Method of making dry optical waveguides
JP2007513862A (ja) アルカリがドープされた光ファイバ、そのプリフォームおよびその作成方法
JPH08502470A (ja) 石英ガラス光波導体のための予備成形体を製造する方法および装置
EP0177040B1 (en) Method for producing glass preform for optical fiber
JP4464958B2 (ja) プリフォーム製造のための合成シリカガラス管、鉛直延伸プロセスにおけるその製造方法およびその管の使用
AU593724B2 (en) Furnace for heating glass preform for optical fiber and method for producing glass preform
KR0141593B1 (ko) 광섬유의 유리예비성형물의 가열용광로와 유리예비성형물의 제조방법
AU626362B2 (en) Furnace for producing high purity quartz glass preform
CA2013731A1 (en) Furnace for heating highly pure quartz preform for optical fiber
EP0509564B1 (en) Furnace for production of optical fiber preform
US20030089133A1 (en) Method of forming a glass article by collapsing an annular passage of a preform during draw
CA1323193C (en) Furnace for heating glass preform for optical fiber and method for producing glass preform
JP2024141315A (ja) シリカガラスの製造方法、及び光ファイバの製造方法
KR930000773B1 (ko) 광 파이버용 모재의 제조방법
FI94747B (fi) Menetelmä optisen kuidun huokoisen esimuodon valmistamiseksi
JPH0450129A (ja) 光ファイバ用ガラス母材製造用加熱炉
CA2013730A1 (en) Furnace for producing high purity quartz glass preform