FI824077L - Foerfarande och anordning foer framstaellning av en optisk glasfiber med laog oh -jonhalt - Google Patents
Foerfarande och anordning foer framstaellning av en optisk glasfiber med laog oh -jonhaltInfo
- Publication number
- FI824077L FI824077L FI824077A FI824077A FI824077L FI 824077 L FI824077 L FI 824077L FI 824077 A FI824077 A FI 824077A FI 824077 A FI824077 A FI 824077A FI 824077 L FI824077 L FI 824077L
- Authority
- FI
- Finland
- Prior art keywords
- jonhalt
- glasfiber
- laog
- framstaellning
- optical
- 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
- C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
- C03B37/01869—Collapsing
-
- 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
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/12—Drawing solid optical fibre directly from a hollow preform
- C03B2205/16—Drawing solid optical fibre directly from a hollow preform the drawn fibre consisting of circularly symmetric core and clad
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3147244 | 1981-11-28 | ||
| DE19823203349 DE3203349A1 (de) | 1981-11-28 | 1982-02-02 | Verfahren und vorrichtung zur herstellung einer optischen glasfaser mit geringem oh -ionengehalt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI824077A0 FI824077A0 (fi) | 1982-11-26 |
| FI824077L true FI824077L (fi) | 1983-05-29 |
Family
ID=25797636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI824077A FI824077L (fi) | 1981-11-28 | 1982-11-26 | Foerfarande och anordning foer framstaellning av en optisk glasfiber med laog oh -jonhalt |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0082305A1 (fi) |
| DE (1) | DE3203349A1 (fi) |
| FI (1) | FI824077L (fi) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4629485A (en) * | 1983-09-26 | 1986-12-16 | Corning Glass Works | Method of making fluorine doped optical preform and fiber and resultant articles |
| AU569757B2 (en) * | 1983-10-19 | 1988-02-18 | Nippon Telegraph & Telephone Corporation | Optical fibre preform manufacture |
| DE3434674A1 (de) * | 1984-09-21 | 1986-04-03 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur herstellung eines aerosolstromes |
| 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 |
| JPS62176936A (ja) * | 1986-01-30 | 1987-08-03 | Sumitomo Electric Ind Ltd | 光フアイバプリフオ−ムの製造方法および製造装置 |
| DE3923686A1 (de) * | 1989-07-18 | 1991-01-24 | Rheydt Kabelwerk Ag | Verfahren zur vorbehandlung eines substratrohres fuer lichtwellenleiter |
| JP4596442B2 (ja) | 1999-04-26 | 2010-12-08 | コーニング インコーポレイテッド | 低水分ピーク光導波路ファイバおよびその製造方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1427327A (en) * | 1972-06-08 | 1976-03-10 | Standard Telephones Cables Ltd | Glass optical fibres |
| US4125388A (en) * | 1976-12-20 | 1978-11-14 | Corning Glass Works | Method of making optical waveguides |
| CA1106710A (en) * | 1977-06-22 | 1981-08-11 | Michael G. Blankenship | Method of making optical devices |
| DE3037491C2 (de) * | 1979-10-04 | 1983-10-27 | Nippon Telegraph & Telephone Public Corp., Tokyo | Verfahren zur Herstellung einer Glasvorform für optische Fasern |
| US4304583A (en) * | 1980-06-02 | 1981-12-08 | Corning Glass Works | Process for drying optical waveguide preforms |
| US4304581A (en) * | 1980-08-07 | 1981-12-08 | Western Electric Co., Inc. | Lightguide preform fabrication |
-
1982
- 1982-02-02 DE DE19823203349 patent/DE3203349A1/de not_active Ceased
- 1982-11-16 EP EP82110543A patent/EP0082305A1/de not_active Withdrawn
- 1982-11-26 FI FI824077A patent/FI824077L/fi not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0082305A1 (de) | 1983-06-29 |
| DE3203349A1 (de) | 1983-06-09 |
| FI824077A0 (fi) | 1982-11-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FA | Application withdrawn |
Owner name: LICENTIA PATENT- VERWALTUNGS-G.M.B.H. |