JPH0437013B2 - - Google Patents
Info
- Publication number
- JPH0437013B2 JPH0437013B2 JP3261888A JP3261888A JPH0437013B2 JP H0437013 B2 JPH0437013 B2 JP H0437013B2 JP 3261888 A JP3261888 A JP 3261888A JP 3261888 A JP3261888 A JP 3261888A JP H0437013 B2 JPH0437013 B2 JP H0437013B2
- Authority
- JP
- Japan
- Prior art keywords
- glass
- furnace
- gas
- sio
- core tube
- 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 - Lifetime
Links
- 239000011521 glass Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 15
- 229910052799 carbon Inorganic materials 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 239000013307 optical fiber Substances 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000010419 fine particle Substances 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000011162 core material Substances 0.000 description 26
- 239000007789 gas Substances 0.000 description 23
- 229910004298 SiO 2 Inorganic materials 0.000 description 16
- 239000000835 fiber Substances 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 11
- 239000000463 material Substances 0.000 description 9
- 239000012535 impurity Substances 0.000 description 7
- 239000004071 soot Substances 0.000 description 7
- 238000005253 cladding Methods 0.000 description 6
- 150000002222 fluorine compounds Chemical class 0.000 description 6
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 5
- 239000011737 fluorine Substances 0.000 description 5
- 229910052731 fluorine Inorganic materials 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 238000004017 vitrification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000012024 dehydrating agents Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 238000010574 gas phase reaction Methods 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 230000004580 weight loss 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
- C03B37/014—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
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3261888A JPH01212243A (ja) | 1988-02-17 | 1988-02-17 | 光フアイバ用ガラスの製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3261888A JPH01212243A (ja) | 1988-02-17 | 1988-02-17 | 光フアイバ用ガラスの製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01212243A JPH01212243A (ja) | 1989-08-25 |
| JPH0437013B2 true JPH0437013B2 (instruction) | 1992-06-18 |
Family
ID=12363840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3261888A Granted JPH01212243A (ja) | 1988-02-17 | 1988-02-17 | 光フアイバ用ガラスの製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01212243A (instruction) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2712848B1 (de) * | 2012-09-27 | 2017-11-29 | Heraeus Quarzglas GmbH & Co. KG | Wasserstoff unterstützte Fluorierung von Sootkörpern |
-
1988
- 1988-02-17 JP JP3261888A patent/JPH01212243A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01212243A (ja) | 1989-08-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080618 Year of fee payment: 16 |