HK69089A - Method for production of glass preform for optical fibers - Google Patents
Method for production of glass preform for optical fibersInfo
- Publication number
- HK69089A HK69089A HK690/89A HK69089A HK69089A HK 69089 A HK69089 A HK 69089A HK 690/89 A HK690/89 A HK 690/89A HK 69089 A HK69089 A HK 69089A HK 69089 A HK69089 A HK 69089A
- Authority
- HK
- Hong Kong
- Prior art keywords
- fluorine
- gas
- glass
- based compound
- refractive index
- 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
- C03B2201/00—Type of glass produced
- C03B2201/06—Doped silica-based glasses
- C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
- C03B2201/31—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with germanium
-
- 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
- C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
- C03B2201/32—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with aluminium
-
- 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
- C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi
- C03B2201/40—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn
- C03B2201/42—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn doped with titanium
-
- 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)
- Glass Compositions (AREA)
Claims (9)
1. Verfahren zur Herstellung eines Glasvorformlings für optische Fasern, bei welchem zur Umwandlung einer vorwiegend aus Quarz bestehenden, feinen Glaspartikelmasse in transparentes Glas die Masse in einer zumindest ein Mischgas auf Chlorbasis enthaltenden Gasatmosphäre erhitzt wird, dadurch gekennzeichnet, daß die Gasatmosphäre auch ein Mischgas auf Fluorbasis enthält und die Masse für eine vorbestimmte, angestrebte relative Brechungsindexdifferenz Δn12 mit einer zwischen 2 und 10°C/min ausgewählten Geschwindigkeit erhitzt wird, bis die Temperatur der Masse 1100 bis 1400°C erreicht, wobei die relative Brechungsindexdifferenz Δn12 definiert ist alsworin n1 und n2 die Brechungsindices des Kerns bzw. der Umhüllung sind.
2. Verfahren nach Anspruch 1, bei welchem die Masse in einem Temperaturbereich von 1100 bis 1400°C erhitzt wird.
3. Verfahren nach Anspruch 1 oder 2, bei welchem das Mischgas auf Fluorbasis ein aus CF4, F2, SiF4, COF2, SF6 und CCI2F2 ausgewähltes Gas ist.
4. Verfahren nach Anspruch 3, bei welchem das Mischgas auf Fluorbasis SF6 ist.
5. Verfahren nach irgendeinem der vorhergehenden Ansprüche, bei welchem das Mischgas auf Chlorbasis ein aus C12, SOCI2, COCI2 und CC14 ausgewähltes Gas ist.
6. Verfahren nach Anspruch 5, bei welchem das Mischgas auf Chlorbasis C12 ist.
7. Verfahren nach irgendeinem der vorhergehenden Ansprüche, bei welchem die feine Glaspartikelmasse hauptsächlich aus durch eine Flammenhydrolysereaktion hergestelltem Si02 besteht.
8. Verfahren nach irgendeinem der Ansprüche 1 bis 6, bei welchem die feine Glaspartikelmasse durch eine Lösungshydrolysereaktion hergestellt wird.
9. Verfahren nach irgendeinem der Ansprüche 1 bis 6, bei welchem die Glaspartikelmasse vorwiegend aus durch ein Sol-Gel-Verfahren hergestelltem Si02 besteht.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58194102A JPS6086045A (ja) | 1983-10-19 | 1983-10-19 | 光フアイバ−用ガラス母材の製造方法 |
| JP19410383A JPS6086046A (ja) | 1983-10-19 | 1983-10-19 | 光フアイバ−用ガラス母材の製造法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK69089A true HK69089A (en) | 1989-09-01 |
Family
ID=26508305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK690/89A HK69089A (en) | 1983-10-19 | 1989-08-24 | Method for production of glass preform for optical fibers |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4812155A (de) |
| EP (1) | EP0140651B1 (de) |
| AU (1) | AU569757B2 (de) |
| CA (1) | CA1245108A (de) |
| DE (1) | DE3471090D1 (de) |
| DK (1) | DK158939C (de) |
| HK (1) | HK69089A (de) |
Families Citing this family (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU567192B2 (en) * | 1983-02-08 | 1987-11-12 | Nippon Telegraph & Telephone Corporation | Optical fibre preform manufacture |
| US4586943A (en) * | 1983-10-20 | 1986-05-06 | Sumitomo Electric Industries, Ltd. | Method for the production of glass preform for optical fibers |
| DE3476062D1 (en) * | 1983-12-22 | 1989-02-16 | American Telephone & Telegraph | Fabrication of high-silica glass article |
| 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 |
| JPS60260436A (ja) * | 1984-06-08 | 1985-12-23 | Sumitomo Electric Ind Ltd | 光フアイバ用ガラス母材の製造方法 |
| 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 |
| JPS61174146A (ja) * | 1985-01-25 | 1986-08-05 | Sumitomo Electric Ind Ltd | 光フアイバ及びその製造方法 |
| 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 |
| 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 |
| DE3522194A1 (de) * | 1985-06-21 | 1987-01-02 | Philips Patentverwaltung | Verfahren zur herstellung von glaskoerpern |
| JPH0791081B2 (ja) * | 1986-07-03 | 1995-10-04 | 住友電気工業株式会社 | シングルモ−ドフアイバ用ガラス母材の製造方法 |
| US4836954A (en) * | 1987-12-22 | 1989-06-06 | Corning Glass Works | Fluorinated phyllosilicate and method |
| US5071674A (en) * | 1989-11-30 | 1991-12-10 | The University Of Florida | Method for producing large silica sol-gels doped with inorganic and organic compounds |
| US5039325A (en) * | 1990-01-02 | 1991-08-13 | At&T Bell Laboratories | Method for consolidating doped glass using an encapsulating structure |
| US5076824A (en) * | 1990-05-14 | 1991-12-31 | At&T Bell Laboratories | Method of making fiber optical preform with pyrolytic coated mandrel |
| JP3206916B2 (ja) * | 1990-11-28 | 2001-09-10 | 住友電気工業株式会社 | 欠陥濃度低減方法、紫外線透過用光学ガラスの製造方法及び紫外線透過用光学ガラス |
| US5160521A (en) * | 1991-06-21 | 1992-11-03 | Tran Danh C | Method for making optical fiber preforms |
| US6289698B1 (en) * | 1996-08-02 | 2001-09-18 | Corning Incorporated | Method of making a fiber preform with increases in alumina concentration at radial distances |
| US6334338B1 (en) * | 1998-07-02 | 2002-01-01 | Lucent Technologies Inc. | Sol gel process of making a fiber preform with removal of oxide particles |
| US6263706B1 (en) * | 1999-03-30 | 2001-07-24 | Deliso Evelyn M. | Method of controlling fluorine doping in soot preforms |
| AU4486600A (en) * | 1999-04-30 | 2000-11-17 | Corning Incorporated | Dispersion compensating fiber |
| JP2004509829A (ja) * | 2000-09-27 | 2004-04-02 | コーニング インコーポレイテッド | 多孔質ガラスプリフォームを乾燥するためのプロセス |
| US20020073740A1 (en) * | 2000-12-20 | 2002-06-20 | Dawes Steven B. | Fluorine doping a soot preform |
| 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 |
| US20020197005A1 (en) * | 2001-06-26 | 2002-12-26 | Chang Kai H. | Method and apparatus for fabricating optical fiber using adjustment of oxygen stoichiometry |
| US6813907B2 (en) * | 2001-11-30 | 2004-11-09 | Corning Incorporated | Fluorine doping a soot preform |
| AU2002353049A1 (en) * | 2001-12-14 | 2003-06-30 | Corning Incorporated | Two step etching process for an optical fiber preform |
| US6910352B2 (en) * | 2002-04-24 | 2005-06-28 | Corning Incorporated | Deposition of high fluorine content silica soot |
| US20030221459A1 (en) * | 2002-05-31 | 2003-12-04 | Walczak Wanda J. | Method for forming an optical waveguide fiber preform |
| US7105832B2 (en) * | 2004-04-07 | 2006-09-12 | Ut-Battelle, Llc | Composite solid-state scintillators for neutron detection |
| US20110138861A1 (en) * | 2009-12-15 | 2011-06-16 | Baker Hughes Incorporated | Optical fiber manufacturing method and apparatus |
| DE102013110177A1 (de) * | 2013-09-16 | 2015-03-19 | Heraeus Quarzglas Gmbh & Co. Kg | Verfahren zur Herstellung von Eisen-dotiertem Kieselglas |
| DK3359498T3 (da) * | 2015-10-09 | 2021-02-22 | Prysmian Spa | Fremgangsmåde til fremstilling af en glaskernepræform til optiske fibre |
| IT201800009920A1 (it) | 2018-10-30 | 2020-04-30 | Prysmian Spa | Metodo per fabbricare una preforma di vetro per fibre ottiche |
| CN117361856A (zh) * | 2023-11-21 | 2024-01-09 | 江苏亨芯石英科技有限公司 | 一种掺氟石英玻璃及其制备方法与应用 |
Family Cites Families (12)
| 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 |
| 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 |
| JPS5858292B2 (ja) * | 1980-01-21 | 1983-12-24 | 株式会社日立製作所 | シリカガラスの製造方法 |
| DE3203349A1 (de) * | 1981-11-28 | 1983-06-09 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren und Vorrichtung zur Herstellung einer optischen Glasfaser mit geringem OH -Ionengehalt |
| US4426216A (en) * | 1982-01-06 | 1984-01-17 | Hitachi, Ltd. | Process for producing optical glass |
| DE3205345A1 (de) * | 1982-02-15 | 1983-09-01 | Philips Patentverwaltung Gmbh, 2000 Hamburg | "verfahren zur herstellung von fluordotierten lichtleitfasern" |
| DE3206176A1 (de) * | 1982-02-20 | 1983-08-25 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur herstellung einer vorform, aus der optische fasern ziehbar sind |
| JPS6037063B2 (ja) * | 1982-11-19 | 1985-08-23 | 古河電気工業株式会社 | 無水プリフオ−ムロツドの製造方法 |
| JPS6042242A (ja) * | 1983-08-12 | 1985-03-06 | Sumitomo Electric Ind Ltd | 光フアイバ用ガラスの製造方法 |
| US4629485A (en) * | 1983-09-26 | 1986-12-16 | Corning Glass Works | Method of making fluorine doped optical preform and fiber and resultant articles |
-
1984
- 1984-10-16 AU AU34267/84A patent/AU569757B2/en not_active Expired
- 1984-10-17 DK DK497084A patent/DK158939C/da not_active IP Right Cessation
- 1984-10-18 EP EP84307168A patent/EP0140651B1/de not_active Expired
- 1984-10-18 DE DE8484307168T patent/DE3471090D1/de not_active Expired
- 1984-10-19 CA CA000465913A patent/CA1245108A/en not_active Expired
-
1987
- 1987-12-10 US US07/132,655 patent/US4812155A/en not_active Expired - Lifetime
-
1989
- 1989-08-24 HK HK690/89A patent/HK69089A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0140651A1 (de) | 1985-05-08 |
| DK158939B (da) | 1990-08-06 |
| DK497084D0 (da) | 1984-10-17 |
| EP0140651B1 (de) | 1988-05-11 |
| AU3426784A (en) | 1985-04-26 |
| DE3471090T (de) | 1988-06-16 |
| AU569757B2 (en) | 1988-02-18 |
| US4812155A (en) | 1989-03-14 |
| DE3471090D1 (en) | 1988-06-16 |
| CA1245108A (en) | 1988-11-22 |
| DK158939C (da) | 1991-01-14 |
| DK497084A (da) | 1985-04-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |