IT1133839B - Procedimento per la fabbricazione di preformati per fibre ottiche - Google Patents
Procedimento per la fabbricazione di preformati per fibre otticheInfo
- Publication number
- IT1133839B IT1133839B IT25227/80A IT2522780A IT1133839B IT 1133839 B IT1133839 B IT 1133839B IT 25227/80 A IT25227/80 A IT 25227/80A IT 2522780 A IT2522780 A IT 2522780A IT 1133839 B IT1133839 B IT 1133839B
- Authority
- IT
- Italy
- Prior art keywords
- preformed
- procedure
- manufacture
- optical fibers
- fibers
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000013307 optical fiber Substances 0.000 title 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]
- C03B37/01413—Reactant delivery systems
- C03B37/0142—Reactant deposition burners
-
- 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]
- C03B37/0144—Means for after-treatment or catching of worked reactant gases
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/22—Radial profile of refractive index, composition or softening point
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/22—Radial profile of refractive index, composition or softening point
- C03B2203/24—Single mode [SM or monomode]
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/04—Multi-nested ports
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/04—Multi-nested ports
- C03B2207/06—Concentric circular ports
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/04—Multi-nested ports
- C03B2207/10—Split ports
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/04—Multi-nested ports
- C03B2207/16—Non-circular ports, e.g. square or oval
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/04—Multi-nested ports
- C03B2207/18—Eccentric ports
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/20—Specific substances in specified ports, e.g. all gas flows specified
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/42—Assembly details; Material or dimensions of burner; Manifolds or supports
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/50—Multiple burner arrangements
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/60—Relationship between burner and deposit, e.g. position
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/60—Relationship between burner and deposit, e.g. position
- C03B2207/64—Angle
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- General 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 (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12953079A JPS6044258B2 (ja) | 1979-10-09 | 1979-10-09 | 合成ト−チ |
JP3480A JPS5696740A (en) | 1980-01-07 | 1980-01-07 | Preparation of optical fiber matrix |
JP3380A JPS5938171B2 (ja) | 1980-01-07 | 1980-01-07 | 光フアイバ母材の製造方法 |
JP9384180A JPS6041627B2 (ja) | 1980-07-11 | 1980-07-11 | 光ファイバ母材の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8025227A0 IT8025227A0 (it) | 1980-10-09 |
IT1133839B true IT1133839B (it) | 1986-07-24 |
Family
ID=27453081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT25227/80A IT1133839B (it) | 1979-10-09 | 1980-10-09 | Procedimento per la fabbricazione di preformati per fibre ottiche |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE3036915C2 (zh) |
FR (1) | FR2467180B1 (zh) |
GB (3) | GB2059944B (zh) |
IT (1) | IT1133839B (zh) |
NL (1) | NL189814C (zh) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57100934A (en) * | 1980-12-12 | 1982-06-23 | Nippon Telegr & Teleph Corp <Ntt> | Manufacturing of optical fiber preform |
JPS57100933A (en) * | 1980-12-12 | 1982-06-23 | Nippon Telegr & Teleph Corp <Ntt> | Preparation of base material for optical fiber |
US4378985A (en) * | 1981-06-04 | 1983-04-05 | Corning Glass Works | Method and apparatus for forming an optical waveguide fiber |
NL8103648A (nl) * | 1981-08-03 | 1983-03-01 | Philips Nv | Werkwijze voor de vervaardiging van voorvormen voor het trekken van optische vezels en voorvormen volgens deze werkwijze verkregen en inrichting voor het continu vervaardigen van optische vezels. |
US4389229A (en) * | 1981-10-01 | 1983-06-21 | Western Electric Co., Inc. | Methods and apparatus for fabricating a lightguide preform |
JPS6059178B2 (ja) * | 1982-03-12 | 1985-12-24 | 日本電信電話株式会社 | 光フアイバ用母材の製造方法 |
EP0105926B1 (en) * | 1982-04-26 | 1987-05-06 | Western Electric Company, Incorporated | Vapor-phase axial deposition system |
DE3219544A1 (de) * | 1982-05-25 | 1983-12-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur herstellung eines lichtwellenleiters |
US4568370A (en) * | 1982-09-29 | 1986-02-04 | Corning Glass Works | Optical fiber preform and method |
DE3240355C1 (de) * | 1982-11-02 | 1983-11-17 | Heraeus Quarzschmelze Gmbh, 6450 Hanau | Verfahren zur Herstellung eines laenglichen Glaskoerpers mit inhomogener Brechungsindexverteilung |
JPS59232934A (ja) * | 1983-06-17 | 1984-12-27 | Sumitomo Electric Ind Ltd | 光フアイバ母材の製造方法 |
EP0150247B1 (en) * | 1984-01-31 | 1988-10-19 | Nippon Telegraph And Telephone Corporation | Method of fabricating optical fiber preforms |
CA1284921C (en) * | 1984-02-27 | 1991-06-18 | Hiroyuki Suda | Method, apparatus and burner for fabricating an optical fiber preform |
JPS6126532A (ja) * | 1984-07-13 | 1986-02-05 | Sumitomo Electric Ind Ltd | 光フアイバ−用母材の製造方法 |
JPS61197439A (ja) * | 1985-02-27 | 1986-09-01 | Furukawa Electric Co Ltd:The | 多孔質ガラス棒の製造方法とその装置 |
US5110335A (en) * | 1990-06-25 | 1992-05-05 | At&T Bell Laboratories | Method of glass soot deposition using ultrasonic nozzle |
JP3118822B2 (ja) * | 1990-09-07 | 2000-12-18 | 住友電気工業株式会社 | ガラス物品の製造方法 |
JP3832008B2 (ja) * | 1997-02-28 | 2006-10-11 | 株式会社ニコン | 石英ガラスの製造装置 |
USD415315S (en) | 1998-04-24 | 1999-10-12 | The Gillette Company | Razor cartridge |
DE10058558C2 (de) * | 2000-11-24 | 2002-11-07 | Heraeus Quarzglas | Verfahren und Vorrichtung zur Herstellung eines Quarzglaskörpers |
EP2853362B1 (en) | 2013-09-25 | 2016-08-10 | BIC Violex S.A. | A shaving blade cartridge |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4135901A (en) * | 1974-12-18 | 1979-01-23 | Sumitomo Electric Industries, Ltd. | Method of manufacturing glass for optical waveguide |
FR2313327A1 (fr) * | 1975-06-06 | 1976-12-31 | Quartz & Silice | Procede d'elaboration de verre de tres haute purete utilisable en particulier pour la fabrication de fibres optiques |
CH620181A5 (en) * | 1975-08-16 | 1980-11-14 | Heraeus Schott Quarzschmelze | Process for the preparation of synthetic quartz glass, apparatus to carry out the process, and the use of the synthetic quartz glass |
JPS52121341A (en) * | 1976-04-06 | 1977-10-12 | Nippon Telegr & Teleph Corp <Ntt> | Production of optical fiber base materials and production apparatus fo r the same |
JPS5927728B2 (ja) * | 1977-08-11 | 1984-07-07 | 日本電信電話株式会社 | 煤状ガラスロッドの製造方法 |
JPS54112218A (en) * | 1978-02-20 | 1979-09-03 | Nippon Telegr & Teleph Corp <Ntt> | Production of optical fiber |
JPS54116429A (en) * | 1978-03-03 | 1979-09-10 | Hitachi Ltd | Production of material for optical fiber |
-
1980
- 1980-09-30 DE DE3036915A patent/DE3036915C2/de not_active Expired
- 1980-10-02 GB GB8031821A patent/GB2059944B/en not_active Expired
- 1980-10-07 NL NLAANVRAGE8005546,A patent/NL189814C/xx not_active IP Right Cessation
- 1980-10-08 FR FR8021512A patent/FR2467180B1/fr not_active Expired
- 1980-10-09 IT IT25227/80A patent/IT1133839B/it active
-
1983
- 1983-01-14 GB GB08301030A patent/GB2128981B/en not_active Expired
- 1983-01-14 GB GB08301031A patent/GB2128982B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2467180A1 (fr) | 1981-04-17 |
FR2467180B1 (fr) | 1986-07-11 |
GB2128982B (en) | 1984-10-31 |
DE3036915A1 (de) | 1981-04-23 |
GB8301030D0 (en) | 1983-02-16 |
GB2128981A (en) | 1984-05-10 |
GB2128981B (en) | 1984-10-10 |
NL8005546A (nl) | 1981-04-13 |
GB8301031D0 (en) | 1983-02-16 |
DE3036915C2 (de) | 1987-01-22 |
IT8025227A0 (it) | 1980-10-09 |
GB2128982A (en) | 1984-05-10 |
GB2059944B (en) | 1983-11-30 |
GB2059944A (en) | 1981-04-29 |
NL189814C (nl) | 1993-08-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970926 |