IT7920008A0 - Metodo di estrusione per guide d'onda ottiche in vetro. - Google Patents
Metodo di estrusione per guide d'onda ottiche in vetro.Info
- Publication number
- IT7920008A0 IT7920008A0 IT7920008A IT2000879A IT7920008A0 IT 7920008 A0 IT7920008 A0 IT 7920008A0 IT 7920008 A IT7920008 A IT 7920008A IT 2000879 A IT2000879 A IT 2000879A IT 7920008 A0 IT7920008 A0 IT 7920008A0
- Authority
- IT
- Italy
- Prior art keywords
- extrusion method
- optical wave
- glass optical
- wave guides
- guides
- Prior art date
Links
- 238000001125 extrusion Methods 0.000 title 1
- 230000003287 optical effect Effects 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
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
-
- 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]
- C03B37/01486—Means for supporting, rotating or translating the preforms being formed, e.g. lathes
-
- 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
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
- C03B37/02736—Means for supporting, rotating or feeding the tubes, rods, fibres or filaments to be drawn, e.g. fibre draw towers, preform alignment, butt-joining preforms or dummy parts during feeding
-
- 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
-
- 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
- C03B2201/10—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with boron
-
- 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
- C03B2201/20—Doped silica-based glasses doped with non-metals other than boron or fluorine
- C03B2201/28—Doped silica-based glasses doped with non-metals other than boron or fluorine doped with phosphorus
-
- 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
-
- 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
- C03B2201/32—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with aluminium
-
- 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
- C03B2201/34—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with rare earth metals, i.e. with Sc, Y or lanthanides, e.g. for laser-amplifiers
-
- 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
- C03B2201/40—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn
-
- 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
- C03B2201/40—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn
- C03B2201/42—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn doped with titanium
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S65/00—Glass manufacturing
- Y10S65/90—Drying, dehydration, minimizing oh groups
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Optical Integrated Circuits (AREA)
- Glass Melting And Manufacturing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/879,154 US4157906A (en) | 1978-02-21 | 1978-02-21 | Method of drawing glass optical waveguides |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7920008A0 true IT7920008A0 (it) | 1979-02-08 |
IT1110639B IT1110639B (it) | 1985-12-23 |
Family
ID=25373540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20006/79A IT1110639B (it) | 1978-02-21 | 1979-02-08 | Metodo di estrusione per guide d'onda ottiche in vetro |
Country Status (9)
Country | Link |
---|---|
US (1) | US4157906A (it) |
JP (1) | JPS5814370B2 (it) |
AT (1) | AT384417B (it) |
CA (1) | CA1126066A (it) |
DE (1) | DE2906070C2 (it) |
FR (1) | FR2417477A1 (it) |
GB (1) | GB2014558B (it) |
IT (1) | IT1110639B (it) |
NL (1) | NL7901311A (it) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4230744A (en) * | 1979-02-21 | 1980-10-28 | Corning Glass Works | System for delivering materials to deposition site on optical waveguide blank |
US4341541A (en) * | 1979-07-13 | 1982-07-27 | Times Fiber Communications, Inc. | Process for the production of optical fiber |
DE3037491C2 (de) * | 1979-10-04 | 1983-10-27 | Nippon Telegraph & Telephone Public Corp., Tokyo | Verfahren zur Herstellung einer Glasvorform für optische Fasern |
US4304583A (en) * | 1980-06-02 | 1981-12-08 | Corning Glass Works | Process for drying optical waveguide preforms |
JPS5717437A (en) * | 1980-07-01 | 1982-01-29 | Nec Corp | Manufacture of optical fiber |
US4362545A (en) * | 1980-07-03 | 1982-12-07 | Corning Glass Works | Support member for an optical waveguide preform |
US4289522A (en) * | 1980-07-03 | 1981-09-15 | Corning Glass Works | Support member for an optical waveguide preform |
US4289517A (en) * | 1980-07-03 | 1981-09-15 | Corning Glass Works | Method of forming an optical waveguide preform |
US4286978A (en) * | 1980-07-03 | 1981-09-01 | Corning Glass Works | Method for substantially continuously drying, consolidating and drawing an optical waveguide preform |
US4388094A (en) * | 1981-12-21 | 1983-06-14 | Corning Glass Works | Method and apparatus for producing tubular glass article |
JPS59152237A (ja) * | 1983-02-18 | 1984-08-30 | Hoya Corp | ガラス体の製造法 |
JPS6186436A (ja) * | 1984-10-05 | 1986-05-01 | Sumitomo Electric Ind Ltd | 光フアイバ用母材の製造方法 |
CN1011227B (zh) * | 1985-06-25 | 1991-01-16 | 占河电气工业有限公司 | 光纤的制造方法 |
US4708726A (en) * | 1985-11-27 | 1987-11-24 | At&T Technologies, Inc. | Fabrication of a lightguide preform by the outside vapor deposition process |
DE3619510A1 (de) * | 1986-06-10 | 1987-12-17 | Philips Patentverwaltung | Verfahren zur herstellung von glas- oder keramischen koerpern |
DE3623213A1 (de) * | 1986-07-10 | 1988-01-21 | Standard Elektrik Lorenz Ag | Verfahren zur herstellung von lichtwellenleitern |
US5226940A (en) * | 1987-01-23 | 1993-07-13 | Siemens Aktiengesellschaft | Process for producing optical fibers of high tensile strength |
JPH0196039A (ja) * | 1987-10-07 | 1989-04-14 | Sumitomo Electric Ind Ltd | 光フアイバ用母材の製造方法 |
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 |
US5059475A (en) * | 1990-06-29 | 1991-10-22 | Photonic Integration Research, Inc. | Apparatus and method of forming optical waveguides on metalized substrates |
US5261022A (en) * | 1991-10-21 | 1993-11-09 | Photonic Integration Research, Inc. | Optical waveguide of silica glass film on ceramic substrate |
DE4432806C1 (de) * | 1994-09-15 | 1996-01-18 | Heraeus Quarzglas | Vorrichtung zum Halten von Hohlzylindern aus Kieselsäurepartikeln |
DE19655025C2 (de) * | 1995-09-29 | 2001-07-19 | Samsung Electronics Co Ltd | Verfahren zur Verbindung eines Lichtleitfaser-Vorformlings mit einer Hilfsquarzstange |
GB2315267B (en) * | 1995-09-29 | 1998-12-02 | Samsung Electronics Co Ltd | Optical fibre spinning apparatus and method |
DE19649935C2 (de) * | 1996-12-02 | 1999-09-16 | Heraeus Quarzglas | Verfahren zur Herstellung von Quarzglaskörpern |
EP0867412B1 (en) * | 1997-03-27 | 2001-03-07 | Alcatel | Thermal insulation of a furnace for drawing optical fibres |
US6381990B1 (en) | 1999-02-26 | 2002-05-07 | Corning Incorporated | Draw furnace sealing assembly and method |
US6244099B1 (en) | 1999-02-26 | 2001-06-12 | Corning Incorporated | Draw furnace sealing assembly and method |
MXPA01010868A (es) * | 1999-04-26 | 2002-05-06 | Corning Inc | Una fibra optica y un metodo para fabricar una fibra optica con dispersion de modo de baja polarizacion y de baja atenuacion. |
JP2001019464A (ja) * | 1999-07-05 | 2001-01-23 | Sumitomo Electric Ind Ltd | 光ファイバの線引き装置及び線引き方法 |
US6266980B1 (en) | 1999-10-28 | 2001-07-31 | Corning Incorporated | Centerline protection using heavy inert gases |
DE10012227C1 (de) * | 2000-03-14 | 2001-05-10 | Heraeus Quarzglas | Verfahren zur Herstellung eines Quarzglaskörpers |
DE10064730B4 (de) * | 2000-12-22 | 2004-07-29 | Heraeus Tenevo Ag | Verfahren zur Herstellung eines Hohlzylinders aus Quarzglas |
JP4759816B2 (ja) * | 2001-02-21 | 2011-08-31 | 住友電気工業株式会社 | 光ファイバの製造方法 |
US6793775B2 (en) * | 2001-03-13 | 2004-09-21 | Mikhail I. Gouskov | Multiple torch—multiple target method and apparatus for plasma outside chemical vapor deposition |
WO2002098808A1 (en) * | 2001-05-31 | 2002-12-12 | Corning Incorporated | Method of low pmd optical fiber manufacture |
JP2004536764A (ja) * | 2001-07-31 | 2004-12-09 | コーニング・インコーポレーテッド | 低偏波モード分散光ファイバ製造方法 |
DE10303290B3 (de) * | 2003-01-28 | 2004-05-06 | Heraeus Tenevo Ag | Verfahren zur Herstellung eines Hohlzylinders aus synthetischem Quarzglas unter Einsatz einer Haltevorrichtung sowie geeignete Haltevorrichtung zur Durchführung des Verfahrens |
US20050022561A1 (en) * | 2003-08-01 | 2005-02-03 | Guskov Michael I. | Ring plasma jet method and apparatus for making an optical fiber preform |
JP2005060148A (ja) * | 2003-08-08 | 2005-03-10 | Sumitomo Electric Ind Ltd | 光ファイバ用母材の製造方法及び光ファイバ用母材並びに光ファイバの製造方法及び光ファイバ |
EP1728769A4 (en) * | 2003-11-18 | 2007-03-07 | Fujikura Ltd | METHOD FOR STRETCHING OPTICAL FIBER FIBER, PROCESS FOR PRODUCING OPTICAL FIBER STRAND AND STRAND PRODUCED THEREBY |
NL1024943C2 (nl) * | 2003-12-04 | 2005-06-07 | Draka Fibre Technology Bv | Werkwijze ter vervaardiging van een optische vezel. |
DE102007029506B4 (de) * | 2007-06-25 | 2009-04-02 | Heraeus Quarzglas Gmbh & Co. Kg | Verfahren zur Herstellung eines Zylinders aus Quarzglas unter Einsatz einer Haltevorrichtung sowie geeignete Haltevorrichtung zur Durchführung des Verfahrens |
DE102008024842B3 (de) * | 2008-05-23 | 2009-05-07 | Heraeus Quarzglas Gmbh & Co. Kg | Verfahren zur Herstellung eines Zylinders aus Quarzglas unter Einsatz einer Haltevorrichtung sowie Haltevorrichtung |
DE102008029756B3 (de) * | 2008-06-25 | 2009-04-30 | Heraeus Quarzglas Gmbh & Co. Kg | Verfahren zur Herstellung eines Zylinders aus Quarzglas sowie Haltevorrichtung zur Durchführung des Verfahrens |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3737293A (en) * | 1972-01-03 | 1973-06-05 | Corning Glass Works | Method of forming an economic optical waveguide fiber |
US3737292A (en) * | 1972-01-03 | 1973-06-05 | Corning Glass Works | Method of forming optical waveguide fibers |
US3775075A (en) * | 1972-01-03 | 1973-11-27 | Corning Glass Works | Method of forming optical waveguide fibers |
US3823995A (en) * | 1972-03-30 | 1974-07-16 | Corning Glass Works | Method of forming light focusing fiber waveguide |
US3826560A (en) * | 1972-03-30 | 1974-07-30 | Corning Glass Works | Method of forming a light focusing fiber waveguide |
US3868170A (en) * | 1972-03-30 | 1975-02-25 | Corning Glass Works | Method of removing entrapped gas and/or residual water from glass |
JPS5311039A (en) * | 1976-07-19 | 1978-02-01 | Hitachi Ltd | Controller of diameter of optical fiber |
JPS54112217A (en) * | 1978-02-20 | 1979-09-03 | Nippon Telegr & Teleph Corp <Ntt> | Production of optical fiber |
-
1978
- 1978-02-21 US US05/879,154 patent/US4157906A/en not_active Expired - Lifetime
- 1978-11-20 CA CA316,504A patent/CA1126066A/en not_active Expired
-
1979
- 1979-02-08 IT IT20006/79A patent/IT1110639B/it active
- 1979-02-15 AT AT0116679A patent/AT384417B/de not_active IP Right Cessation
- 1979-02-16 DE DE2906070A patent/DE2906070C2/de not_active Expired
- 1979-02-20 GB GB7905960A patent/GB2014558B/en not_active Expired
- 1979-02-20 NL NL7901311A patent/NL7901311A/xx not_active Application Discontinuation
- 1979-02-20 JP JP54018977A patent/JPS5814370B2/ja not_active Expired
- 1979-02-20 FR FR7904258A patent/FR2417477A1/fr active Pending
Also Published As
Publication number | Publication date |
---|---|
GB2014558A (en) | 1979-08-30 |
FR2417477A1 (fr) | 1979-09-14 |
JPS5814370B2 (ja) | 1983-03-18 |
JPS54134136A (en) | 1979-10-18 |
DE2906070A1 (de) | 1979-08-30 |
IT1110639B (it) | 1985-12-23 |
DE2906070C2 (de) | 1983-10-06 |
US4157906A (en) | 1979-06-12 |
CA1126066A (en) | 1982-06-22 |
ATA116679A (de) | 1987-04-15 |
AT384417B (de) | 1987-11-10 |
NL7901311A (nl) | 1979-08-23 |
GB2014558B (en) | 1982-11-03 |
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