DK497184A - Fremgangsmaade til fremstilling af raaemne til optiske fibre - Google Patents
Fremgangsmaade til fremstilling af raaemne til optiske fibre Download PDFInfo
- Publication number
- DK497184A DK497184A DK497184A DK497184A DK497184A DK 497184 A DK497184 A DK 497184A DK 497184 A DK497184 A DK 497184A DK 497184 A DK497184 A DK 497184A DK 497184 A DK497184 A DK 497184A
- Authority
- DK
- Denmark
- Prior art keywords
- procedure
- optical fibers
- manufacturing frame
- manufacturing
- frame
- Prior art date
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
- C03B37/01—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
-
- 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
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/22—Radial profile of refractive index, composition or softening point
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S65/00—Glass manufacturing
- Y10S65/15—Nonoxygen containing chalogenides
- Y10S65/16—Optical filament or fiber treatment with fluorine or incorporating fluorine in final product
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Thermal Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19521083 | 1983-10-20 | ||
JP19520983 | 1983-10-20 | ||
JP19521083A JPS6090843A (ja) | 1983-10-20 | 1983-10-20 | 光フアイバ用ガラス母材の製造方法 |
JP58195209A JPS6090842A (ja) | 1983-10-20 | 1983-10-20 | 光フアイバ用ガラス母材の製造方法 |
Publications (4)
Publication Number | Publication Date |
---|---|
DK497184D0 DK497184D0 (da) | 1984-10-17 |
DK497184A true DK497184A (da) | 1985-04-21 |
DK158940B DK158940B (da) | 1990-08-06 |
DK158940C DK158940C (da) | 1991-01-14 |
Family
ID=26508989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK497184A DK158940C (da) | 1983-10-20 | 1984-10-17 | Fremgangsmaade til fremstilling af raaemne til optiske fibre |
Country Status (6)
Country | Link |
---|---|
US (1) | US4586943A (da) |
EP (1) | EP0139532B1 (da) |
CA (1) | CA1248416A (da) |
DE (1) | DE3475294D1 (da) |
DK (1) | DK158940C (da) |
HK (1) | HK79989A (da) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60239337A (ja) * | 1984-05-15 | 1985-11-28 | Sumitomo Electric Ind Ltd | 光フアイバ−用ガラス母材の製造法 |
US5221309A (en) * | 1984-05-15 | 1993-06-22 | Sumitomo Electric Industries, Ltd. | Method for producing glass preform for optical fiber |
JPS60260430A (ja) * | 1984-06-04 | 1985-12-23 | Sumitomo Electric Ind Ltd | フツ素をクラツド部に含有する光フアイバ用母材の製造方法 |
GB2162168B (en) * | 1984-07-25 | 1988-06-29 | Stc Plc | Optical fibre manufacture |
US4600442A (en) * | 1984-08-14 | 1986-07-15 | Hughes Aircraft Company | Process for the removal of impurities from optical component materials |
JPS6186436A (ja) * | 1984-10-05 | 1986-05-01 | Sumitomo Electric Ind Ltd | 光フアイバ用母材の製造方法 |
CA1271316A (en) * | 1984-12-21 | 1990-07-10 | Koichi Abe | Optical waveguide manufacture |
DE3500672A1 (de) * | 1985-01-11 | 1986-07-17 | Philips Patentverwaltung | Lichtleitfaser mit fluordotierung und verfahren zu deren herstellung |
US5203899A (en) * | 1985-03-18 | 1993-04-20 | Sumitomo Electric Industries, Ltd. | Method for producing glass preform for optical fiber |
CA1290942C (en) * | 1985-03-18 | 1991-10-22 | Michihisa Kyoto | Method for producing glass preform for optical fiber |
US5364428A (en) * | 1985-03-18 | 1994-11-15 | Sumitomo Electric Industries, Ltd. | Method for producing glass preform for optical fiber |
JPS6236035A (ja) * | 1985-04-18 | 1987-02-17 | Sumitomo Electric Ind Ltd | 光フアイバ母材の製造方法 |
JPS61247633A (ja) * | 1985-04-25 | 1986-11-04 | Sumitomo Electric Ind Ltd | 光フアイバ−用ガラス母材の製造方法 |
JPS62275035A (ja) * | 1985-05-07 | 1987-11-30 | Sumitomo Electric Ind Ltd | 光フアイバ用母材の製造方法 |
US4620861A (en) * | 1985-11-04 | 1986-11-04 | Corning Glass Works | Method for making index-profiled optical device |
EP0542724B1 (en) * | 1987-02-16 | 1996-06-12 | Sumitomo Electric Industries Limited | Furnace for heating glass preform for optical fiber and method for producing glass preform |
DE3735532A1 (de) * | 1987-10-21 | 1989-05-03 | Rheydt Kabelwerk Ag | Verfahren zum herstellen einer vorform fuer lichtwellenleiter |
JPH029727A (ja) * | 1988-06-28 | 1990-01-12 | Sumitomo Electric Ind Ltd | 光フアイバ用母材の製造方法 |
DE3911745A1 (de) * | 1989-04-11 | 1990-10-25 | Philips Patentverwaltung | Verfahren zur herstellung von glaskoerpern mit bereichen unterschiedlicher optischer brechung |
AU653411B2 (en) * | 1991-07-19 | 1994-09-29 | Sumitomo Electric Industries, Ltd. | Method for producing glass preform for optical fiber |
JP2917729B2 (ja) * | 1993-03-03 | 1999-07-12 | 住友電気工業株式会社 | 光ファイバ母材の製造方法 |
TW371650B (en) * | 1995-12-04 | 1999-10-11 | Sumitomo Electric Industries | Method for producing an optical fiber quartz glass preform |
US6263706B1 (en) * | 1999-03-30 | 2001-07-24 | Deliso Evelyn M. | Method of controlling fluorine doping in soot preforms |
TWI233430B (en) * | 2000-01-28 | 2005-06-01 | Shinetsu Chemical Co | Method for manufacturing glass base material, glass base material, and optical fiber |
JP3865039B2 (ja) * | 2000-08-18 | 2007-01-10 | 信越化学工業株式会社 | 合成石英ガラスの製造方法および合成石英ガラス並びに合成石英ガラス基板 |
US20020073740A1 (en) * | 2000-12-20 | 2002-06-20 | Dawes Steven B. | Fluorine doping a soot preform |
US6715322B2 (en) * | 2001-01-05 | 2004-04-06 | Lucent Technologies Inc. | Manufacture of depressed index optical fibers |
US20050120752A1 (en) * | 2001-04-11 | 2005-06-09 | Brown John T. | Substantially dry, silica-containing soot, fused silica and optical fiber soot preforms, apparatus, methods and burners for manufacturing same |
US8037717B2 (en) * | 2001-10-26 | 2011-10-18 | Corning Incorporated | Methods and apparatus for pulsed doping or drying a soot preform |
US6813907B2 (en) * | 2001-11-30 | 2004-11-09 | Corning Incorporated | Fluorine doping a soot preform |
EP1547981A3 (en) * | 2003-12-25 | 2011-07-06 | Sumitomo Electric Industries, Ltd. | Method of manufacturing fluorine doped silica glass article, preform and optical fiber and optical fiber made by the method |
US20060216612A1 (en) | 2005-01-11 | 2006-09-28 | Krishnakumar Jambunathan | Electrolytes, cells and methods of forming passivation layers |
JP2006193370A (ja) * | 2005-01-13 | 2006-07-27 | Shin Etsu Chem Co Ltd | 光ファイバ母材及びその製造方法 |
WO2015057499A1 (en) | 2013-10-17 | 2015-04-23 | Lubrizol Advanced Materials, Inc. | Copolymers with a polyacrylic acid backbone as performance enhancers for lithium-ion cells |
WO2015107931A1 (ja) * | 2014-01-16 | 2015-07-23 | 古河電気工業株式会社 | 光ファイバ母材の製造方法および光ファイバの製造方法 |
EP2977359B1 (de) | 2014-07-21 | 2016-10-19 | Heraeus Quarzglas GmbH & Co. KG | Verfahren zur herstellung von mit fluor dotiertem quarzglas |
DK3359498T3 (da) * | 2015-10-09 | 2021-02-22 | Prysmian Spa | Fremgangsmåde til fremstilling af en glaskernepræform til optiske fibre |
JP2018205357A (ja) | 2017-05-30 | 2018-12-27 | 株式会社フジクラ | 光ファイバ、光ファイバの製造方法、および光ファイバ母材 |
US10571628B2 (en) | 2017-11-20 | 2020-02-25 | Corning Incorporated | Low loss optical fiber with core codoped with two or more halogens |
IT201800009920A1 (it) | 2018-10-30 | 2020-04-30 | Prysmian Spa | Metodo per fabbricare una preforma di vetro per fibre ottiche |
EP3950611A1 (de) | 2020-08-06 | 2022-02-09 | Heraeus Quarzglas GmbH & Co. KG | Alternative fluorierungsmittel zur herstellung von fluoriertem quarzglas |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3933454A (en) * | 1974-04-22 | 1976-01-20 | Corning Glass Works | Method of making optical waveguides |
FR2428618A1 (fr) * | 1978-06-16 | 1980-01-11 | Telecommunications Sa | Procede de fabrication d'une ebauche en vue de la realisation d'un guide de lumiere et ebauche obtenue selon le procede |
JPS6038345B2 (ja) * | 1978-11-07 | 1985-08-31 | 日本電信電話株式会社 | 光伝送用ガラス素材の製造方法 |
JPS55167149A (en) * | 1979-06-13 | 1980-12-26 | Nippon Telegr & Teleph Corp <Ntt> | Manufacture of anhydrous quartz type fiber base material |
JPS5844619B2 (ja) * | 1979-09-26 | 1983-10-04 | 日本電信電話株式会社 | 光フアイバ母材の製造法 |
JPS5915086B2 (ja) * | 1980-05-06 | 1984-04-07 | 株式会社神奈川製作所 | ガラス素材板の同時均等分割装置 |
JPS5918328B2 (ja) * | 1981-02-10 | 1984-04-26 | 工業技術院長 | 2酸化ゲルマニウム−3酸化アンチモンガラスの製造方法 |
AU569757B2 (en) * | 1983-10-19 | 1988-02-18 | Nippon Telegraph & Telephone Corporation | Optical fibre preform manufacture |
-
1984
- 1984-10-16 US US06/661,451 patent/US4586943A/en not_active Expired - Lifetime
- 1984-10-17 DK DK497184A patent/DK158940C/da not_active IP Right Cessation
- 1984-10-19 CA CA000465912A patent/CA1248416A/en not_active Expired
- 1984-10-19 DE DE8484307222T patent/DE3475294D1/de not_active Expired
- 1984-10-19 EP EP84307222A patent/EP0139532B1/en not_active Expired
-
1989
- 1989-10-05 HK HK799/89A patent/HK79989A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0139532A2 (en) | 1985-05-02 |
CA1248416A (en) | 1989-01-10 |
DK497184D0 (da) | 1984-10-17 |
DE3475294D1 (en) | 1988-12-29 |
DK158940B (da) | 1990-08-06 |
EP0139532A3 (en) | 1986-04-23 |
HK79989A (en) | 1989-10-13 |
US4586943A (en) | 1986-05-06 |
DK158940C (da) | 1991-01-14 |
EP0139532B1 (en) | 1988-11-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUP | Patent expired |