CH627284A5 - - Google Patents
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- Publication number
- CH627284A5 CH627284A5 CH319478A CH319478A CH627284A5 CH 627284 A5 CH627284 A5 CH 627284A5 CH 319478 A CH319478 A CH 319478A CH 319478 A CH319478 A CH 319478A CH 627284 A5 CH627284 A5 CH 627284A5
- Authority
- CH
- Switzerland
- Prior art keywords
- tube
- bore
- silicon dioxide
- pipe
- blank
- 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]
- C03B37/018—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] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
- C03B37/01853—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
- 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]
- C03B37/018—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] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
- C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
-
- 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
-
- 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
- C03B2201/20—Doped silica-based glasses doped with non-metals other than boron or fluorine
- C03B2201/28—Doped silica-based glasses doped with non-metals other than boron or fluorine doped with phosphorus
-
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB12431/77A GB1562032A (en) | 1977-03-24 | 1977-03-24 | Optical fibre manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH627284A5 true CH627284A5 (fr) | 1981-12-31 |
Family
ID=10004477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH319478A CH627284A5 (fr) | 1977-03-24 | 1978-03-23 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4165224A (fr) |
| JP (1) | JPS6055449B2 (fr) |
| AU (1) | AU515635B2 (fr) |
| BR (1) | BR7801784A (fr) |
| CA (1) | CA1097503A (fr) |
| CH (1) | CH627284A5 (fr) |
| ES (1) | ES468096A1 (fr) |
| FR (1) | FR2384722A1 (fr) |
| GB (1) | GB1562032A (fr) |
| IT (1) | IT1115594B (fr) |
| NL (1) | NL188967C (fr) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2907731A1 (de) * | 1979-02-28 | 1980-09-04 | Siemens Ag | Verfahren zur herstellung eines glasfaser-lichtwellenleiters |
| US4278459A (en) * | 1980-03-03 | 1981-07-14 | Western Electric Company, Inc. | Method and apparatus for exhausting optical fiber preform tubes |
| US4344670A (en) * | 1980-05-01 | 1982-08-17 | Corning Glass Works | Optical waveguide soot preform with reduced inner layer stress and method of making |
| US4280829A (en) * | 1980-05-12 | 1981-07-28 | Corning Glass Works | Apparatus for controlling internal pressure of a bait tube |
| ATE37100T1 (de) * | 1980-07-17 | 1988-09-15 | British Telecomm | Monomode optische faser und verfahren zur herstellung. |
| US4304581A (en) * | 1980-08-07 | 1981-12-08 | Western Electric Co., Inc. | Lightguide preform fabrication |
| EP0060085B1 (fr) * | 1981-03-06 | 1986-07-16 | Hitachi, Ltd. | Fibre optique pour transmission à infrarouge |
| DE3206144A1 (de) * | 1982-02-20 | 1983-09-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur herstellung eines lichtwellenleiters |
| IT1155119B (it) * | 1982-03-05 | 1987-01-21 | Cselt Centro Studi Lab Telecom | Procedimento e dispositivo per la produzione di preforme per fibre ottiche |
| US4842626A (en) * | 1983-02-14 | 1989-06-27 | American Telephone And Telegraph Company, At&T Bell Laboatories | Process for making optical fibers |
| JPS60141634A (ja) * | 1983-12-28 | 1985-07-26 | Shin Etsu Chem Co Ltd | 光フアイバ−用母材およびその製造方法 |
| US4671809A (en) * | 1984-06-05 | 1987-06-09 | Nippon Steel Corporation | Gas separation module |
| US4632684A (en) * | 1984-07-31 | 1986-12-30 | Itt Corporation | Method of and apparatus for making optical preforms from tubular bodies |
| JPS61117126A (ja) * | 1984-11-13 | 1986-06-04 | Sumitomo Electric Ind Ltd | 光フアイバ用母材の製造方法 |
| 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 |
| DE3733880A1 (de) * | 1987-10-07 | 1989-04-20 | Schott Glaswerke | Verfahren zur herstellung eines lichtwellenleiters |
| FR2621909B1 (fr) * | 1987-10-16 | 1990-01-19 | Comp Generale Electricite | |
| JPH052197Y2 (fr) * | 1987-12-23 | 1993-01-20 | ||
| JPH0271759A (ja) * | 1988-09-06 | 1990-03-12 | Hideyuki Terajima | 注射器 |
| US5203897A (en) * | 1989-11-13 | 1993-04-20 | Corning Incorporated | Method for making a preform doped with a metal oxide |
| EP0443781A1 (fr) * | 1990-02-23 | 1991-08-28 | AT&T Corp. | Procédé de dopage de fibres optiques |
| US5822488A (en) * | 1995-10-04 | 1998-10-13 | Sumitomo Electric Industries, Inc. | Single-mode optical fiber with plural core portions |
| AU741032B2 (en) | 1997-07-15 | 2001-11-22 | Corning Incorporated | Decreased h2 sensitivity in optical fiber |
| US6292612B1 (en) * | 1999-06-07 | 2001-09-18 | Lucent Technologies Inc. | Multi-mode optical fiber having improved refractive index profile and devices comprising same |
| US6705123B2 (en) * | 2001-03-30 | 2004-03-16 | Corning Incorporated | Making a photosensitive fiber with collapse of a MCVD tube that is in a small positive pressure atmosphere |
| KR100624247B1 (ko) * | 2004-07-02 | 2006-09-19 | 엘에스전선 주식회사 | 고속 근거리 전송망을 위한 다중모드 광섬유 |
| NL2012868B1 (en) * | 2014-05-22 | 2016-03-15 | Draka Comteq Bv | A method for manufacturing an optical preform. |
| CN114409244A (zh) * | 2022-02-25 | 2022-04-29 | 长飞光纤光缆股份有限公司 | 一种掺镱光纤、预制棒及其制备方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2463016C2 (de) * | 1973-08-21 | 1982-05-06 | International Standard Electric Corp., 10022 New York, N.Y. | Verfahren zur Herstellung eines Glasfaser-Lichtleiters |
| US4360250A (en) * | 1974-05-31 | 1982-11-23 | National Research Development Corp. | Optical waveguides |
| JPS51146243A (en) * | 1975-06-11 | 1976-12-15 | Hitachi Ltd | Process for manufacturing optical fiber |
| DE2741854B2 (de) * | 1976-09-20 | 1981-03-19 | Hitachi, Ltd., Tokyo | Verfahren zur Herstellung optischer Fasern |
-
1977
- 1977-03-24 GB GB12431/77A patent/GB1562032A/en not_active Expired
-
1978
- 1978-03-14 NL NLAANVRAGE7802743,A patent/NL188967C/xx not_active IP Right Cessation
- 1978-03-16 IT IT7821277A patent/IT1115594B/it active
- 1978-03-17 US US05/888,050 patent/US4165224A/en not_active Expired - Lifetime
- 1978-03-21 ES ES468096A patent/ES468096A1/es not_active Expired
- 1978-03-22 AU AU34407/78A patent/AU515635B2/en not_active Expired
- 1978-03-22 BR BR7801784A patent/BR7801784A/pt unknown
- 1978-03-23 FR FR7808446A patent/FR2384722A1/fr active Granted
- 1978-03-23 CH CH319478A patent/CH627284A5/de not_active IP Right Cessation
- 1978-03-24 JP JP53033192A patent/JPS6055449B2/ja not_active Expired
- 1978-03-28 CA CA299,794A patent/CA1097503A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS541046A (en) | 1979-01-06 |
| NL188967C (nl) | 1992-11-16 |
| IT1115594B (it) | 1986-02-03 |
| US4165224A (en) | 1979-08-21 |
| BR7801784A (pt) | 1979-04-03 |
| GB1562032A (en) | 1980-03-05 |
| NL188967B (nl) | 1992-06-16 |
| ES468096A1 (es) | 1979-01-01 |
| JPS6055449B2 (ja) | 1985-12-05 |
| CA1097503A (fr) | 1981-03-17 |
| AU515635B2 (en) | 1981-04-16 |
| FR2384722B1 (fr) | 1984-08-31 |
| AU3440778A (en) | 1979-09-27 |
| FR2384722A1 (fr) | 1978-10-20 |
| NL7802743A (nl) | 1978-09-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUE | Assignment |
Owner name: STC PLC |
|
| PL | Patent ceased |