JPH0225847B2 - - Google Patents
Info
- Publication number
- JPH0225847B2 JPH0225847B2 JP59170469A JP17046984A JPH0225847B2 JP H0225847 B2 JPH0225847 B2 JP H0225847B2 JP 59170469 A JP59170469 A JP 59170469A JP 17046984 A JP17046984 A JP 17046984A JP H0225847 B2 JPH0225847 B2 JP H0225847B2
- Authority
- JP
- Japan
- Prior art keywords
- base material
- glass
- geo
- soot
- temperature
- 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
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
-
- 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
- C03B20/00—Processes specially adapted for the production of quartz or fused silica articles, not otherwise provided for
-
- 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
- C03B2201/31—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with germanium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Glass Compositions (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59170469A JPS6148437A (ja) | 1984-08-17 | 1984-08-17 | GeO↓2−SiO↓2系ガラス母材の製造方法 |
DE8585107125T DE3566529D1 (en) | 1984-08-17 | 1985-06-10 | Method for producing glass preform for optical fiber |
EP85107125A EP0171537B1 (en) | 1984-08-17 | 1985-06-10 | Method for producing glass preform for optical fiber |
AU43782/85A AU577597B2 (en) | 1984-08-17 | 1985-06-18 | Optical fibre preform manufacture |
US06/748,560 US4655808A (en) | 1984-08-17 | 1985-06-25 | Method for producing glass preform for optical fiber |
KR1019850004927A KR890003706B1 (ko) | 1984-08-17 | 1985-07-11 | GeO_2-SiO_2계 유리모재의 제조방법 |
CA000487799A CA1238247A (en) | 1984-08-17 | 1985-07-30 | Method for producing glass preform for optical fiber |
DK372185A DK162279C (da) | 1984-08-17 | 1985-08-15 | Fremgangsmaade til fremstilling af et raaemne til optiske fibre |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59170469A JPS6148437A (ja) | 1984-08-17 | 1984-08-17 | GeO↓2−SiO↓2系ガラス母材の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6148437A JPS6148437A (ja) | 1986-03-10 |
JPH0225847B2 true JPH0225847B2 (en]) | 1990-06-06 |
Family
ID=15905516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59170469A Granted JPS6148437A (ja) | 1984-08-17 | 1984-08-17 | GeO↓2−SiO↓2系ガラス母材の製造方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US4655808A (en]) |
EP (1) | EP0171537B1 (en]) |
JP (1) | JPS6148437A (en]) |
KR (1) | KR890003706B1 (en]) |
AU (1) | AU577597B2 (en]) |
CA (1) | CA1238247A (en]) |
DE (1) | DE3566529D1 (en]) |
DK (1) | DK162279C (en]) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6172644A (ja) * | 1984-09-19 | 1986-04-14 | Sumitomo Electric Ind Ltd | 低損失光フアイバの製造方法 |
JPH029727A (ja) * | 1988-06-28 | 1990-01-12 | Sumitomo Electric Ind Ltd | 光フアイバ用母材の製造方法 |
JP3424711B2 (ja) * | 1995-11-09 | 2003-07-07 | 住友電気工業株式会社 | 光ファイバ用ガラス体及び光ファイバ |
AU2001277156A1 (en) * | 2000-08-10 | 2002-02-25 | Yazaki Corporation | Process for making glass bodies having refractive index gradients |
JP2003040638A (ja) * | 2001-07-30 | 2003-02-13 | Furukawa Electric Co Ltd:The | 光ファイバ母材の製造方法 |
JP2003183042A (ja) * | 2001-12-14 | 2003-07-03 | Shin Etsu Chem Co Ltd | 光ファイバ用母材の製造方法及びその製造方法で製造した光ファイバ用母材 |
US7450806B2 (en) * | 2005-11-08 | 2008-11-11 | Corning Incorporated | Microstructured optical fibers and methods |
JP2018016533A (ja) * | 2016-07-29 | 2018-02-01 | 信越化学工業株式会社 | 光ファイバ用ガラス母材の製造方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3933454A (en) * | 1974-04-22 | 1976-01-20 | Corning Glass Works | Method of making optical waveguides |
US4125388A (en) * | 1976-12-20 | 1978-11-14 | Corning Glass Works | Method of making optical waveguides |
JPS5688836A (en) * | 1979-12-20 | 1981-07-18 | Nippon Telegr & Teleph Corp <Ntt> | Preparation of glass stock for optical fiber |
US4367085A (en) * | 1980-01-07 | 1983-01-04 | Nippon Telegraph & Telephone Public Corporation | Method of fabricating multi-mode optical fiber preforms |
US4304583A (en) * | 1980-06-02 | 1981-12-08 | Corning Glass Works | Process for drying optical waveguide preforms |
US4378985A (en) * | 1981-06-04 | 1983-04-05 | Corning Glass Works | Method and apparatus for forming an optical waveguide fiber |
JPS6046940A (ja) * | 1983-08-22 | 1985-03-14 | Furukawa Electric Co Ltd:The | 光学系ガラス母材の製造方法とその装置 |
JPS6060937A (ja) * | 1983-09-10 | 1985-04-08 | Furukawa Electric Co Ltd:The | 石英系光フアイバ母材の製造方法 |
JPS60260436A (ja) * | 1984-06-08 | 1985-12-23 | Sumitomo Electric Ind Ltd | 光フアイバ用ガラス母材の製造方法 |
JP2549615B2 (ja) * | 1984-06-18 | 1996-10-30 | 住友電気工業株式会社 | 光フアイバ用ガラス母材の焼結方法 |
-
1984
- 1984-08-17 JP JP59170469A patent/JPS6148437A/ja active Granted
-
1985
- 1985-06-10 EP EP85107125A patent/EP0171537B1/en not_active Expired
- 1985-06-10 DE DE8585107125T patent/DE3566529D1/de not_active Expired
- 1985-06-18 AU AU43782/85A patent/AU577597B2/en not_active Expired
- 1985-06-25 US US06/748,560 patent/US4655808A/en not_active Expired - Lifetime
- 1985-07-11 KR KR1019850004927A patent/KR890003706B1/ko not_active Expired
- 1985-07-30 CA CA000487799A patent/CA1238247A/en not_active Expired
- 1985-08-15 DK DK372185A patent/DK162279C/da not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK162279B (da) | 1991-10-07 |
AU577597B2 (en) | 1988-09-29 |
EP0171537A1 (en) | 1986-02-19 |
EP0171537B1 (en) | 1988-11-30 |
KR860001767A (ko) | 1986-03-22 |
JPS6148437A (ja) | 1986-03-10 |
DE3566529D1 (en) | 1989-01-05 |
DK372185A (da) | 1986-02-18 |
AU4378285A (en) | 1986-02-20 |
DK162279C (da) | 1992-03-02 |
US4655808A (en) | 1987-04-07 |
DK372185D0 (da) | 1985-08-15 |
KR890003706B1 (ko) | 1989-09-30 |
CA1238247A (en) | 1988-06-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5262365A (en) | Quartz glass doped with rare earth element and production thereof | |
KR20060033861A (ko) | 점도 불일치를 감소시킨 광섬유 | |
JPH048381B2 (en]) | ||
Moriyama et al. | Ultimately low OH content VAD optical fibres | |
US5895515A (en) | Increasing a fluorine compound flow rate during a VAD process | |
JP2003512988A (ja) | ナノ結晶ガラスセラミックファイバの製造方法 | |
JPH0225847B2 (en]) | ||
US4664690A (en) | Method for producing glass preform for optical fiber | |
US4410345A (en) | Method of producing optical waveguide | |
KR20030003018A (ko) | 산소 화학량론을 조정하여 광섬유를 제조하는 방법 및 장치 | |
JPH0425213B2 (en]) | ||
JPH0442340B2 (en]) | ||
JP2931026B2 (ja) | 希土類元素ドープガラスの製造方法 | |
JPH06263468A (ja) | ガラス母材の製造方法 | |
JPH0820574B2 (ja) | 分散シフトフアイバ及びその製造方法 | |
JP4350510B2 (ja) | 棒状プリフォームの製造方法、並びに該棒状プリフォームからの光ファイバーの製造方法 | |
JPH0559052B2 (en]) | ||
JPH0791088B2 (ja) | 希土類元素ドープ石英ガラス系光ファイバ用母材およびその製造方法 | |
JP3157000B2 (ja) | 光導波路 | |
JP2000159531A (ja) | 光ファイバ母材の製造方法 | |
EP1359128A2 (en) | Method of manufacturing phosphosilicate optical fibre preforms and optical fibers drawn therefrom | |
JPH0813689B2 (ja) | 光ファイバ用母材の製造方法 | |
JPH0324415B2 (en]) | ||
JPS6313946B2 (en]) | ||
JP3439258B2 (ja) | 光ファイバ用ガラス母材の製造方法 |