JPH0471017B2 - - Google Patents
Info
- Publication number
- JPH0471017B2 JPH0471017B2 JP3582887A JP3582887A JPH0471017B2 JP H0471017 B2 JPH0471017 B2 JP H0471017B2 JP 3582887 A JP3582887 A JP 3582887A JP 3582887 A JP3582887 A JP 3582887A JP H0471017 B2 JPH0471017 B2 JP H0471017B2
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- temperature
- base material
- fiber base
- heating
- 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
- 239000013307 optical fiber Substances 0.000 claims description 88
- 238000010438 heat treatment Methods 0.000 claims description 77
- 239000000463 material Substances 0.000 claims description 75
- 238000000034 method Methods 0.000 claims description 31
- 239000011521 glass Substances 0.000 claims description 28
- 238000011282 treatment Methods 0.000 claims description 10
- 239000010419 fine particle Substances 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 230000007062 hydrolysis Effects 0.000 claims description 5
- 238000006460 hydrolysis reaction Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 239000012024 dehydrating agents Substances 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 24
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 21
- 229910052731 fluorine Inorganic materials 0.000 description 21
- 239000011737 fluorine Substances 0.000 description 21
- 239000002245 particle Substances 0.000 description 14
- 230000018044 dehydration Effects 0.000 description 13
- 238000006297 dehydration reaction Methods 0.000 description 13
- 208000005156 Dehydration Diseases 0.000 description 12
- 238000005245 sintering Methods 0.000 description 8
- 238000007796 conventional method Methods 0.000 description 7
- 150000002222 fluorine compounds Chemical class 0.000 description 6
- 238000002791 soaking Methods 0.000 description 6
- 239000011261 inert gas Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000005352 clarification Methods 0.000 description 3
- 238000004334 fluoridation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 238000011276 addition treatment Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- C03B37/0146—Furnaces therefor, e.g. muffle tubes, furnace linings
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 |
|---|---|---|---|
| JP3582887A JPS63206327A (ja) | 1987-02-20 | 1987-02-20 | 多孔質光ファイバ母材の透明化方法および装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3582887A JPS63206327A (ja) | 1987-02-20 | 1987-02-20 | 多孔質光ファイバ母材の透明化方法および装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63206327A JPS63206327A (ja) | 1988-08-25 |
| JPH0471017B2 true JPH0471017B2 (enrdf_load_stackoverflow) | 1992-11-12 |
Family
ID=12452817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3582887A Granted JPS63206327A (ja) | 1987-02-20 | 1987-02-20 | 多孔質光ファイバ母材の透明化方法および装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63206327A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69834691T2 (de) * | 1997-06-19 | 2007-04-26 | Shin-Etsu Chemical Co., Ltd. | Verfahren und Vorrichtung zum Ziehen einer Glasvorform |
| JP3970692B2 (ja) * | 2002-05-31 | 2007-09-05 | 信越化学工業株式会社 | プリフォーム製造方法 |
| JP2016088821A (ja) * | 2014-11-10 | 2016-05-23 | 信越化学工業株式会社 | 光ファイバ用多孔質ガラス母材の焼結装置及び焼結方法 |
| JP7205216B2 (ja) * | 2018-12-25 | 2023-01-17 | 住友電気工業株式会社 | 光ファイバ用母材の製造方法 |
-
1987
- 1987-02-20 JP JP3582887A patent/JPS63206327A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63206327A (ja) | 1988-08-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |