DE69413741T2 - Verfahren und Vorrichtung zum Beschichten von optischen Wellenleiterfasern - Google Patents
Verfahren und Vorrichtung zum Beschichten von optischen WellenleiterfasernInfo
- Publication number
- DE69413741T2 DE69413741T2 DE69413741T DE69413741T DE69413741T2 DE 69413741 T2 DE69413741 T2 DE 69413741T2 DE 69413741 T DE69413741 T DE 69413741T DE 69413741 T DE69413741 T DE 69413741T DE 69413741 T2 DE69413741 T2 DE 69413741T2
- Authority
- DE
- Germany
- Prior art keywords
- diameter
- coating
- fiber
- coating material
- die
- 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
Links
- 238000000576 coating method Methods 0.000 title claims description 203
- 239000011248 coating agent Substances 0.000 title claims description 186
- 239000000835 fiber Substances 0.000 title claims description 173
- 238000000034 method Methods 0.000 title claims description 30
- 230000003287 optical effect Effects 0.000 title claims description 13
- 239000000463 material Substances 0.000 claims description 100
- 238000004513 sizing Methods 0.000 claims description 39
- 238000010438 heat treatment Methods 0.000 claims description 30
- 239000011247 coating layer Substances 0.000 claims description 19
- 230000001276 controlling effect Effects 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 11
- 239000010410 layer Substances 0.000 claims description 11
- 238000012681 fiber drawing Methods 0.000 claims description 10
- 239000013307 optical fiber Substances 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000003247 decreasing effect Effects 0.000 description 6
- 238000004033 diameter control Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- 230000005679 Peltier effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 229920006240 drawn fiber Polymers 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000005499 meniscus Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910002899 Bi2Te3 Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/12—General methods of coating; Devices therefor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/043,448 US5366527A (en) | 1993-04-05 | 1993-04-05 | Method and apparatus for coating optical waveguide fibers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69413741D1 DE69413741D1 (de) | 1998-11-12 |
| DE69413741T2 true DE69413741T2 (de) | 1999-05-27 |
Family
ID=21927229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69413741T Expired - Fee Related DE69413741T2 (de) | 1993-04-05 | 1994-03-21 | Verfahren und Vorrichtung zum Beschichten von optischen Wellenleiterfasern |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US5366527A (OSRAM) |
| EP (1) | EP0619275B1 (OSRAM) |
| JP (1) | JP3068402B2 (OSRAM) |
| KR (1) | KR100318182B1 (OSRAM) |
| CN (1) | CN1054359C (OSRAM) |
| AU (1) | AU681863B2 (OSRAM) |
| BR (1) | BR9401394A (OSRAM) |
| CA (1) | CA2120379A1 (OSRAM) |
| DE (1) | DE69413741T2 (OSRAM) |
| DK (1) | DK0619275T3 (OSRAM) |
| RU (1) | RU2118916C1 (OSRAM) |
| TW (1) | TW288107B (OSRAM) |
| UA (1) | UA37190C2 (OSRAM) |
Families Citing this family (58)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5567219A (en) * | 1994-07-20 | 1996-10-22 | Galileo Electro-Optics Corporation | Polyimide coated heavy metal fluoride glass fiber and method of manufacture |
| US5838866A (en) | 1995-11-03 | 1998-11-17 | Corning Incorporated | Optical fiber resistant to hydrogen-induced attenuation |
| US5885652A (en) * | 1995-11-13 | 1999-03-23 | Corning Incorporated | Method and apparatus for coating optical fibers |
| JPH09142892A (ja) * | 1995-11-28 | 1997-06-03 | Furukawa Electric Co Ltd:The | 被覆光ファイバの製造装置及び製造方法 |
| US5766357A (en) * | 1996-09-19 | 1998-06-16 | Alliant Techsystems Inc. | Apparatus for fiber impregnation |
| US6189343B1 (en) * | 1996-11-13 | 2001-02-20 | Fibre Ottiche Sud F.O.S. S.P.A. | Apparatus and method for forming an optical fiber |
| US7322122B2 (en) * | 1997-01-15 | 2008-01-29 | Draka Comteq B.V. | Method and apparatus for curing a fiber having at least two fiber coating curing stages |
| FR2762594B1 (fr) * | 1997-04-24 | 1999-06-11 | Alsthom Cge Alcatel | Procede de fabrication d'une fibre optique resistante aux microcourbures ayant au moins deux revetements |
| DE19727574A1 (de) * | 1997-06-28 | 1999-01-07 | Alsthom Cge Alcatel | Vorrichtung und Verfahren zur Regelung der Beschichtungsdicke einer optischen Faser |
| DE19738687A1 (de) * | 1997-09-04 | 1999-03-11 | Alsthom Cge Alcatel | Verfahren zur Beschichtung einer optischen Faser |
| KR100248066B1 (ko) * | 1998-01-13 | 2000-03-15 | 윤종용 | 광섬유인출장치의냉각기 |
| 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 |
| US6196002B1 (en) | 1999-06-24 | 2001-03-06 | Advanced Micro Devices, Inc. | Ball grid array package having thermoelectric cooler |
| US6537377B1 (en) | 1999-09-03 | 2003-03-25 | Alcatel | Apparatus for coating optical fibers |
| AU7788800A (en) * | 1999-10-29 | 2001-05-14 | Pirelli Cavi E Sistemi S.P.A. | Method of measuring the twist imparted to an optical fibre and procedure for processing an optical fibre using this method |
| US6577802B1 (en) | 2000-07-13 | 2003-06-10 | Corning Incorporated | Application of silane-enhanced adhesion promoters for optical fibers and fiber ribbons |
| US7016576B2 (en) * | 2000-12-28 | 2006-03-21 | Pirelli S.P.A. | Method for producing an optical fibre telecommunications cable with reduced polarization mode dispersion |
| AU2002231727A1 (en) * | 2001-12-19 | 2003-09-02 | Pirelli & C. S.P.A. | Process for determining the drawing tension in the manufacturing of an optical fibre |
| AU2002224966A1 (en) * | 2001-12-21 | 2003-07-09 | Pirelli & C. S.P.A. | Process for manufacturing a micro-structured optical fibre |
| US20040002655A1 (en) * | 2002-06-27 | 2004-01-01 | Acuson, A Siemens Company | System and method for improved transducer thermal design using thermo-electric cooling |
| KR100973373B1 (ko) * | 2002-07-10 | 2010-07-30 | 스미토모 덴키 고교 가부시키가이샤 | 광섬유 및 그의 제조 방법 |
| US20060173344A1 (en) * | 2005-01-19 | 2006-08-03 | Siemens Medical Solutions Usa, Inc. | Method for using a refrigeration system to remove waste heat from an ultrasound transducer |
| JP2010509643A (ja) * | 2006-12-14 | 2010-03-25 | ディーエスエム アイピー アセッツ ビー．ブイ． | Ｄ１３６５ｂｊ光ファイバのための放射線硬化性一次被覆 |
| EP2091881B9 (en) * | 2006-12-14 | 2011-10-05 | DSM IP Assets B.V. | D 1368 cr radiation curable primary coating for optical fiber |
| ATE511523T1 (de) * | 2006-12-14 | 2011-06-15 | Dsm Ip Assets Bv | Strahlungshärtbare d1369 d-sekundärbeschichtung für optische fasern |
| ATE511525T1 (de) * | 2006-12-14 | 2011-06-15 | Dsm Ip Assets Bv | Strahlungshärtbare d1370 r-sekundärbeschichtung für optische fasern |
| US8426020B2 (en) * | 2006-12-14 | 2013-04-23 | Dsm Ip Assets B.V. | D1381 supercoatings for optical fiber |
| DE602007012755D1 (de) * | 2006-12-14 | 2011-04-07 | Dsm Ip Assets Bv | Strahlungshärtbare d1379-grundierbeschichtung für optische fasern |
| US20080226916A1 (en) * | 2006-12-14 | 2008-09-18 | Paulus Antonius Maria Steeman | D1363 bt radiation curable primary coatings on optical fiber |
| ATE498595T1 (de) | 2006-12-14 | 2011-03-15 | Dsm Ip Assets Bv | D1364 bt-sekundärbeschichtung für optische fasern |
| US8961421B2 (en) | 2007-04-19 | 2015-02-24 | General Electric Company | Transmit/receive circuitry for ultrasound systems |
| WO2009032760A2 (en) | 2007-08-30 | 2009-03-12 | Pepex Biomedical Llc | Electrochmical sensor and method for manufacturing |
| US9044178B2 (en) | 2007-08-30 | 2015-06-02 | Pepex Biomedical, Llc | Electrochemical sensor and method for manufacturing |
| WO2009070232A1 (en) * | 2007-11-29 | 2009-06-04 | Corning Incorporated | Fiber cure with extended irradiators and non linear path |
| US7971146B2 (en) * | 2007-12-13 | 2011-06-28 | International Business Machines Corporation | Method for visual depiction of audiences for viewing items in blogs and other electronic repositories |
| JP5242209B2 (ja) * | 2008-03-24 | 2013-07-24 | 古河電気工業株式会社 | 光ファイバの製造方法 |
| US20090291199A1 (en) * | 2008-05-22 | 2009-11-26 | Paul Andrew Chludzinski | Apparatus and methods of control for coolant recycling |
| US8904828B2 (en) * | 2008-10-30 | 2014-12-09 | Corning Incorporated | Methods for forming cladding portions of optical fiber preform assemblies |
| WO2010056876A2 (en) | 2008-11-14 | 2010-05-20 | Pepex Biomedical, Llc | Manufacturing electrochemical sensor module |
| WO2010056878A2 (en) | 2008-11-14 | 2010-05-20 | Pepex Biomedical, Llc | Electrochemical sensor module |
| US8951377B2 (en) | 2008-11-14 | 2015-02-10 | Pepex Biomedical, Inc. | Manufacturing electrochemical sensor module |
| WO2010077132A1 (en) * | 2008-12-31 | 2010-07-08 | Draka Comteq B.V. | Uvled apparatus for curing glass-fiber coatings |
| US8037843B2 (en) * | 2009-10-08 | 2011-10-18 | General Electric Company | Resin application and infusion system |
| JP5163631B2 (ja) | 2009-12-21 | 2013-03-13 | 住友電気工業株式会社 | 光ファイバホルダ及び光ファイバ心線の保持方法 |
| DK2388239T3 (da) | 2010-05-20 | 2017-04-24 | Draka Comteq Bv | Hærdningsapparat, der anvender vinklede UV-LED'er |
| US8871311B2 (en) | 2010-06-03 | 2014-10-28 | Draka Comteq, B.V. | Curing method employing UV sources that emit differing ranges of UV radiation |
| EP2418183B1 (en) | 2010-08-10 | 2018-07-25 | Draka Comteq B.V. | Method for curing coated glass fibres providing increased UVLED intensitiy |
| US9504162B2 (en) | 2011-05-20 | 2016-11-22 | Pepex Biomedical, Inc. | Manufacturing electrochemical sensor modules |
| EP2925229A4 (en) | 2012-12-03 | 2017-01-25 | Pepex Biomedical, Inc. | Sensor module and method of using a sensor module |
| BR112016028536B1 (pt) | 2014-06-04 | 2021-11-30 | Pepex Biomedical, Inc | Sensor compreendendo um membro de perfuração de pele e uma zona de análise de amostra de sangue |
| CN105060739B (zh) * | 2015-07-31 | 2018-06-12 | 长飞光纤光缆股份有限公司 | 一种光强可调的光纤涂层紫外固化设备 |
| NL2019098B1 (en) * | 2017-04-24 | 2018-11-05 | Corning Inc | Method of applying coating liquid to an optical fiber |
| CN111936443A (zh) * | 2018-03-22 | 2020-11-13 | 住友电气工业株式会社 | 光纤的制造方法及制造装置 |
| US11518709B2 (en) * | 2018-04-20 | 2022-12-06 | Corning Incorporated | Optical fiber coating die assembly having inlet tube |
| US11655185B2 (en) * | 2019-05-06 | 2023-05-23 | Lawrence Livermore National Security, Llc | Coated optical fiber and method of making same |
| JP7711454B2 (ja) * | 2021-07-05 | 2025-07-23 | 住友電気工業株式会社 | 塗布装置及び塗布方法 |
| CN113698111A (zh) * | 2021-10-19 | 2021-11-26 | 江东科技有限公司 | 一种光纤拉丝涂覆装置及涂覆方法 |
| CN117585915B (zh) * | 2024-01-19 | 2024-04-02 | 陕西宝昱科技工业股份有限公司 | 用于玻璃纤维表面处理的加热设备及其控温方法 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3960530A (en) * | 1975-07-28 | 1976-06-01 | Northern Electric Company Limited | Method of coating a glass fiber filament |
| US4073974A (en) * | 1975-07-31 | 1978-02-14 | Bell Telephone Laboratories, Incorporated | Coating continuous filaments |
| JPS565342A (en) * | 1979-06-25 | 1981-01-20 | Nippon Telegr & Teleph Corp <Ntt> | Drawing device for optical fiber |
| JPS5917056B2 (ja) * | 1980-12-26 | 1984-04-19 | 日本電信電話株式会社 | 光伝送用ガラスファイバの製造方法 |
| US4514205A (en) * | 1981-11-05 | 1985-04-30 | Corning Glass Works | Fiber cooling apparatus |
| GB2160448B (en) * | 1984-06-21 | 1988-04-07 | Stc Plc | Coating optical fibres |
| US4531959A (en) * | 1984-10-04 | 1985-07-30 | Corning Glass Works | Method and apparatus for coating optical fibers |
| JPS61236636A (ja) * | 1985-04-10 | 1986-10-21 | Hitachi Cable Ltd | 光フアイバのジヤケツト被覆方法 |
| JPS61266336A (ja) * | 1985-05-20 | 1986-11-26 | Sumitomo Electric Ind Ltd | 光フアイバの製造方法 |
| US4594088A (en) * | 1985-05-28 | 1986-06-10 | At&T Technologies, Inc. | Method and apparatus for making, coating and cooling lightguide fiber |
| JPH0629157B2 (ja) * | 1985-12-26 | 1994-04-20 | 住友電気工業株式会社 | 光フアイバの製造方法 |
| JPS6374938A (ja) * | 1986-09-16 | 1988-04-05 | Sumitomo Electric Ind Ltd | 被覆光フアイバの外径制御方法 |
| US4792347A (en) * | 1986-09-25 | 1988-12-20 | Corning Glass Works | Method for coating optical waveguide fiber |
| EP0346723A1 (en) * | 1988-06-14 | 1989-12-20 | The Boeing Company | Method and apparatus for manufacturing coated optical fiber having shaped cross-section |
| US4867775A (en) * | 1988-08-08 | 1989-09-19 | Corning Incorporated | Method and apparatus for coating optical fibers |
| US5043001A (en) * | 1990-05-29 | 1991-08-27 | Corning Incorporated | Method and apparatus for fiber cooling |
| JPH0791092B2 (ja) * | 1990-09-17 | 1995-10-04 | 住友電気工業株式会社 | 光フアイバ用樹脂塗布装置 |
-
1993
- 1993-04-05 US US08/043,448 patent/US5366527A/en not_active Expired - Lifetime
-
1994
- 1994-03-17 TW TW083102425A patent/TW288107B/zh active
- 1994-03-21 EP EP94104404A patent/EP0619275B1/en not_active Expired - Lifetime
- 1994-03-21 DK DK94104404T patent/DK0619275T3/da active
- 1994-03-21 DE DE69413741T patent/DE69413741T2/de not_active Expired - Fee Related
- 1994-03-31 CA CA002120379A patent/CA2120379A1/en not_active Abandoned
- 1994-03-31 AU AU59182/94A patent/AU681863B2/en not_active Ceased
- 1994-04-01 RU RU94011235A patent/RU2118916C1/ru active
- 1994-04-01 UA UA94005156A patent/UA37190C2/uk unknown
- 1994-04-04 CN CN94104030A patent/CN1054359C/zh not_active Expired - Fee Related
- 1994-04-05 JP JP6089237A patent/JP3068402B2/ja not_active Expired - Fee Related
- 1994-04-05 BR BR9401394A patent/BR9401394A/pt not_active IP Right Cessation
- 1994-04-06 KR KR1019940007202A patent/KR100318182B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| AU5918294A (en) | 1994-10-06 |
| HK1003538A1 (en) | 1998-10-30 |
| RU94011235A (ru) | 1996-09-20 |
| RU2118916C1 (ru) | 1998-09-20 |
| CN1097066A (zh) | 1995-01-04 |
| DK0619275T3 (da) | 1999-06-21 |
| JP3068402B2 (ja) | 2000-07-24 |
| UA37190C2 (uk) | 2001-05-15 |
| AU681863B2 (en) | 1997-09-11 |
| EP0619275B1 (en) | 1998-10-07 |
| TW288107B (OSRAM) | 1996-10-11 |
| CN1054359C (zh) | 2000-07-12 |
| CA2120379A1 (en) | 1994-10-06 |
| BR9401394A (pt) | 1994-10-18 |
| EP0619275A3 (en) | 1995-07-26 |
| JPH06321583A (ja) | 1994-11-22 |
| DE69413741D1 (de) | 1998-11-12 |
| EP0619275A2 (en) | 1994-10-12 |
| US5366527A (en) | 1994-11-22 |
| KR100318182B1 (ko) | 2002-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0619275B1 (en) | Method and apparatus for coating optical waveguide fibers | |
| DE69620468T2 (de) | Methode und apparat zum beschichten optischer fasern | |
| DE2906071C2 (de) | Verfahren zum Ziehen einer Faser aus thermoplastischem Material zur Herstellung optischer Wellenleiter | |
| EP0200256B1 (de) | Verfahren und Vorrichtung zum Beschichten einer Faser | |
| EP0177345B1 (en) | Method of coating optical fibers | |
| DE69004140T3 (de) | Verfahren zum Ziehen von optischen Fasern. | |
| DE19856892C2 (de) | Verfahren zur Herstellung eines Rohres aus glasigem Werkstoff, insbesondere aus Quarzglas | |
| DE69922728T2 (de) | Verfahren und Vorrichtungen zur Regelung des Ablieferns von Dampf beim Herstellen von optische Vorformen | |
| DE60114342T2 (de) | Optische Faser und Verfahren zu ihrer Herstellung aus einer Vorform | |
| DE3010481A1 (de) | Verfahren und vorrichtung zum herstellen optischer fasern sowie nach diesem verfahren hergestellte optische fasern | |
| DE19716133C2 (de) | Vorrichtung zum Herstellen einer Lichtleiterfaser | |
| DE2653836B2 (de) | Verfahren und Vorrichtung zum Ziehen optischer Fasern | |
| EP0887319B1 (de) | Vorrichtung und Verfahren zur Regelung der Beschichtungsdicke einer optischen Faser | |
| DE69826160T2 (de) | Herstellung von optischen Fasern | |
| DE69609846T2 (de) | Optische Faser aus Chalcogenidglas | |
| DE3118351A1 (de) | "vorrichtung zum niederschlagen einer schicht aus glas auf einer inneren oberflaeche eines glas-fangrohres" | |
| DE2655848A1 (de) | Verfahren und vorrichtung zur abschaetzung der massenflussrate eines freifallenden medienstromes | |
| DE69705204T2 (de) | Verfahren zur herstellung einer optischen faser mit abnehmender dispersion und dispersionsgesteuerter optischer faser | |
| DE10344205B4 (de) | Vorrichtung und Verfahren zum Herstellen von Glasfasern | |
| DE3025772C2 (OSRAM) | ||
| DE19635287C2 (de) | Ofen zum Spinnen einer Lichtleitfaser | |
| DE60015462T2 (de) | Vorrichtung zur Beschichtung von optischen Fasern | |
| HK1003538B (en) | Method and apparatus for coating optical waveguide fibers | |
| DE60019070T2 (de) | Brenner und Vorrichtung zum Überfangen einer Stabvorform mit einem Rohr für optische Fasern | |
| DE3886121T2 (de) | Verfahren zur Herstellung optischer Fasern und dadurch hergestellte Produkte. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |