FI800817A - Foerfarande foer framstaellning av en optisk glasvaogledare ett vaogledaraemne eller en foerform av smaelt glas - Google Patents
Foerfarande foer framstaellning av en optisk glasvaogledare ett vaogledaraemne eller en foerform av smaelt glasInfo
- Publication number
- FI800817A FI800817A FI800817A FI800817A FI800817A FI 800817 A FI800817 A FI 800817A FI 800817 A FI800817 A FI 800817A FI 800817 A FI800817 A FI 800817A FI 800817 A FI800817 A FI 800817A
- Authority
- FI
- Finland
- Prior art keywords
- vaogledaraemne
- glasvaogledare
- foerform
- smaelt
- optisk
- 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
-
- 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
- C03B37/01265—Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt
- C03B37/01274—Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt by extrusion or drawing
-
- 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
- C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
- C03B37/023—Fibres composed of different sorts of glass, e.g. glass optical fibres, made by the double crucible technique
-
- 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
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
-
- 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
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Integrated Circuits (AREA)
- Cephalosporin Compounds (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Glass Melting And Manufacturing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2143979A | 1979-03-19 | 1979-03-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FI800817A true FI800817A (fi) | 1980-09-20 |
Family
ID=21804240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI800817A FI800817A (fi) | 1979-03-19 | 1980-03-17 | Foerfarande foer framstaellning av en optisk glasvaogledare ett vaogledaraemne eller en foerform av smaelt glas |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0016621B1 (fi) |
JP (1) | JPS55126543A (fi) |
KR (1) | KR830001825A (fi) |
AU (1) | AU518491B2 (fi) |
BR (1) | BR8001560A (fi) |
CA (1) | CA1156467A (fi) |
DK (1) | DK114480A (fi) |
ES (1) | ES8103388A1 (fi) |
FI (1) | FI800817A (fi) |
IL (1) | IL59638A0 (fi) |
NO (1) | NO800766L (fi) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6550279B1 (en) | 2000-09-01 | 2003-04-22 | Corning Incorporated | Process for drawing optical fiber from a multiple crucible apparatus with a thermal gradient |
US6588235B2 (en) | 2001-08-30 | 2003-07-08 | Corning Incorporated | Method of centering a fiber core in a multiple-crucible method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3614197A (en) * | 1967-04-27 | 1971-10-19 | Semiconductor Res Found | Solid optical wave guide having a radially varying refractive index |
BE729880A (fi) * | 1968-03-15 | 1969-08-18 | ||
JPS5393847A (en) * | 1977-01-27 | 1978-08-17 | Nippon Sheet Glass Co Ltd | Production method of light fiber |
-
1980
- 1980-02-25 CA CA000346349A patent/CA1156467A/en not_active Expired
- 1980-03-14 EP EP80300792A patent/EP0016621B1/en not_active Expired
- 1980-03-14 IL IL59638A patent/IL59638A0/xx unknown
- 1980-03-17 KR KR1019800001105A patent/KR830001825A/ko unknown
- 1980-03-17 FI FI800817A patent/FI800817A/fi not_active Application Discontinuation
- 1980-03-17 AU AU56524/80A patent/AU518491B2/en not_active Ceased
- 1980-03-17 BR BR8001560A patent/BR8001560A/pt unknown
- 1980-03-17 NO NO800766A patent/NO800766L/no unknown
- 1980-03-17 DK DK114480A patent/DK114480A/da not_active Application Discontinuation
- 1980-03-17 ES ES489621A patent/ES8103388A1/es not_active Expired
- 1980-03-18 JP JP3465980A patent/JPS55126543A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
ES489621A0 (es) | 1981-02-16 |
JPS55126543A (en) | 1980-09-30 |
AU518491B2 (en) | 1981-10-01 |
EP0016621A1 (en) | 1980-10-01 |
ES8103388A1 (es) | 1981-02-16 |
KR830001825A (ko) | 1983-05-19 |
IL59638A0 (en) | 1980-06-30 |
DK114480A (da) | 1980-09-20 |
BR8001560A (pt) | 1980-11-18 |
EP0016621B1 (en) | 1983-02-16 |
NO800766L (no) | 1980-09-22 |
AU5652480A (en) | 1980-09-25 |
CA1156467A (en) | 1983-11-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA | Application withdrawn |
Owner name: CORNING GLASS WORKS |