GB1566991A - Method of forming an optical fibre blank - Google Patents
Method of forming an optical fibre blank Download PDFInfo
- Publication number
- GB1566991A GB1566991A GB1177/78A GB117778A GB1566991A GB 1566991 A GB1566991 A GB 1566991A GB 1177/78 A GB1177/78 A GB 1177/78A GB 117778 A GB117778 A GB 117778A GB 1566991 A GB1566991 A GB 1566991A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- glass
- bath
- blank
- optical fibre
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 30
- 239000013307 optical fiber Substances 0.000 title claims description 21
- 239000011521 glass Substances 0.000 claims description 52
- 239000006060 molten glass Substances 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 238000005253 cladding Methods 0.000 claims description 11
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 239000011819 refractory material Substances 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000000137 annealing Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- 230000001788 irregular Effects 0.000 claims description 3
- 230000000750 progressive effect Effects 0.000 claims description 3
- 230000001627 detrimental effect Effects 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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
- C03B37/01265—Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt
- C03B37/01268—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 casting
-
- 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
- C03B2201/50—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with alkali metals
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7701701A FR2377979A1 (fr) | 1977-01-21 | 1977-01-21 | Procede et dispositif pour realiser une ebauche de fibre optique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1566991A true GB1566991A (en) | 1980-05-08 |
Family
ID=9185765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1177/78A Expired GB1566991A (en) | 1977-01-21 | 1978-01-12 | Method of forming an optical fibre blank |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE862745A (enrdf_load_stackoverflow) |
| CH (1) | CH619201A5 (enrdf_load_stackoverflow) |
| FR (1) | FR2377979A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1566991A (enrdf_load_stackoverflow) |
| IT (1) | IT1092064B (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0474919A1 (en) * | 1990-09-10 | 1992-03-18 | Corning Incorporated | Casting core/clad glass preforms |
-
1977
- 1977-01-21 FR FR7701701A patent/FR2377979A1/fr active Granted
-
1978
- 1978-01-09 BE BE1008633A patent/BE862745A/xx not_active IP Right Cessation
- 1978-01-11 CH CH27178A patent/CH619201A5/fr not_active IP Right Cessation
- 1978-01-12 GB GB1177/78A patent/GB1566991A/en not_active Expired
- 1978-01-20 IT IT19463/78A patent/IT1092064B/it active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0474919A1 (en) * | 1990-09-10 | 1992-03-18 | Corning Incorporated | Casting core/clad glass preforms |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2377979A1 (fr) | 1978-08-18 |
| FR2377979B1 (enrdf_load_stackoverflow) | 1982-10-01 |
| BE862745A (fr) | 1978-07-10 |
| IT1092064B (it) | 1985-07-06 |
| CH619201A5 (en) | 1980-09-15 |
| IT7819463A0 (it) | 1978-01-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |