CA1054795A - Fibres optiques - Google Patents
Fibres optiquesInfo
- Publication number
- CA1054795A CA1054795A CA172,817A CA172817A CA1054795A CA 1054795 A CA1054795 A CA 1054795A CA 172817 A CA172817 A CA 172817A CA 1054795 A CA1054795 A CA 1054795A
- Authority
- CA
- Canada
- Prior art keywords
- tube
- layer
- bore
- index
- refraction
- 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
Links
- 230000003287 optical effect Effects 0.000 title description 6
- 238000005253 cladding Methods 0.000 claims abstract description 29
- 239000000835 fiber Substances 0.000 claims abstract description 22
- 239000011521 glass Substances 0.000 claims abstract description 21
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 52
- 239000000377 silicon dioxide Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 9
- 239000013307 optical fiber Substances 0.000 claims description 9
- 238000000151 deposition Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 claims description 5
- 239000005049 silicon tetrachloride Substances 0.000 claims description 5
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 31
- 239000012792 core layer Substances 0.000 claims 1
- 238000010494 dissociation reaction Methods 0.000 claims 1
- 230000005593 dissociations Effects 0.000 claims 1
- 238000007524 flame polishing Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 10
- 238000011109 contamination Methods 0.000 abstract description 3
- 239000011162 core material Substances 0.000 description 15
- 230000008021 deposition Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 239000005350 fused silica glass Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005137 deposition process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 101100293261 Mus musculus Naa15 gene Proteins 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007496 glass forming Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000003455 independent Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44382—Means specially adapted for strengthening or protecting the cables the means comprising hydrogen absorbing materials
-
- 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
- C03B37/01807—Reactant delivery systems, e.g. 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]
- C03B37/018—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
- C03B37/01853—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]
- C03B37/018—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
- C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
-
- 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
- C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods
- C03B37/01869—Collapsing
-
- 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
- C03B37/02754—Solid fibres drawn from hollow preforms
-
- 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
-
- 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
- C03B2201/40—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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/12—Drawing solid optical fibre directly from a hollow preform
- C03B2205/13—Drawing solid optical fibre directly from a hollow preform from a hollow glass tube containing glass-forming material in particulate form, e.g. to form the core by melting the powder during drawing
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/12—Drawing solid optical fibre directly from a hollow preform
- C03B2205/16—Drawing solid optical fibre directly from a hollow preform the drawn fibre consisting of circularly symmetric core and clad
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Thermal Sciences (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA314,701A CA1066570A (fr) | 1972-06-08 | 1978-10-30 | Ba: fibres optiques |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2677072A GB1427327A (en) | 1972-06-08 | 1972-06-08 | Glass optical fibres |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1054795A true CA1054795A (fr) | 1979-05-22 |
Family
ID=10248922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA172,817A Expired CA1054795A (fr) | 1972-06-08 | 1973-05-31 | Fibres optiques |
Country Status (9)
Country | Link |
---|---|
JP (2) | JPS539740B2 (fr) |
AU (1) | AU475394B2 (fr) |
CA (1) | CA1054795A (fr) |
CH (1) | CH586165A5 (fr) |
DE (2) | DE2366295C2 (fr) |
ES (1) | ES415658A1 (fr) |
GB (1) | GB1427327A (fr) |
IT (1) | IT988974B (fr) |
NL (1) | NL7307907A (fr) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4983453A (fr) * | 1972-12-14 | 1974-08-10 | ||
DE2434717C2 (de) * | 1973-08-21 | 1989-05-18 | International Standard Electric Corp., 10022 New York, N.Y. | Verfahren zur Herstellung eines Glasfaser-Lichtleiters |
DE2402270C2 (de) * | 1974-01-18 | 1983-05-26 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur Innenbeschichtung eines Quarzrohres und Vorrichtung zur Durchführung des Verfahrens |
US4217027A (en) | 1974-02-22 | 1980-08-12 | Bell Telephone Laboratories, Incorporated | Optical fiber fabrication and resulting product |
CA1050833A (fr) * | 1974-02-22 | 1979-03-20 | John B. Macchesney | Fabrication de fibre optique par reaction homogene en zone chaude mobile |
US4360250A (en) * | 1974-05-31 | 1982-11-23 | National Research Development Corp. | Optical waveguides |
DE2444100C3 (de) * | 1974-09-14 | 1979-04-12 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren zur Herstellung von innenbeschichteten Glasrohren zum Ziehen von Lichtleitfasern |
JPS5174647A (ja) * | 1974-12-24 | 1976-06-28 | Sumitomo Electric Industries | Hikaridensoyofuaibaasozainoseizohoho |
JPS51127743A (en) * | 1975-04-30 | 1976-11-08 | Nippon Telegr & Teleph Corp <Ntt> | Optical fiber and its manufacturing method |
JPS51138449A (en) * | 1975-05-26 | 1976-11-30 | Sumitomo Electric Ind Ltd | Light transmission fiber and method for fabricating the same |
CA1029993A (fr) * | 1975-09-11 | 1978-04-25 | Frederick D. King | Ligne de transmission par fibres optiques |
AU504423B2 (en) * | 1975-11-14 | 1979-10-11 | International Standard Electric Corporation | Optical fibre |
JPS5621777Y2 (fr) * | 1976-02-04 | 1981-05-22 | ||
GB1578826A (en) * | 1976-03-25 | 1980-11-12 | Western Electric Co | Methods for fabricating optical fibre preforms |
GB1559097A (en) * | 1976-06-01 | 1980-01-16 | Standard Telephones Cables Ltd | Optical fibre manufacture |
DE2648702C3 (de) * | 1976-10-27 | 1980-08-21 | Jenaer Glaswerk Schott & Gen., 6500 Mainz | Infrarotdurchlässige Lichtleitfaser aus sauerstoffarmem bzw. sauerstofffreiem GUs und Verfahren zu ihrer Herstellung |
JPS5395649A (en) * | 1977-02-02 | 1978-08-22 | Hitachi Ltd | Production of optical fiber |
CA1080562A (fr) * | 1977-02-10 | 1980-07-01 | Frederick D. King | Methode et appareil de fabrication de fibres optiques par depot active par plasma dans un tube |
JPS5413350A (en) * | 1977-07-02 | 1979-01-31 | Fujikura Ltd | Production of optical fiber |
US4334903A (en) | 1977-08-29 | 1982-06-15 | Bell Telephone Laboratories, Incorporated | Optical fiber fabrication |
JPS5748214Y2 (fr) * | 1978-05-11 | 1982-10-22 | ||
GB1603949A (en) * | 1978-05-30 | 1981-12-02 | Standard Telephones Cables Ltd | Plasma deposit |
CA1128739A (fr) * | 1978-06-08 | 1982-08-03 | Corning Glass Works | Methode de fabrication d'ebauches de guides d'ondes optiques de fort diametre |
DE2929166A1 (de) * | 1979-07-19 | 1981-01-29 | Philips Patentverwaltung | Verfahren zur herstellung von lichtleitfasern |
US4425146A (en) * | 1979-12-17 | 1984-01-10 | Nippon Telegraph & Telephone Public Corporation | Method of making glass waveguide for optical circuit |
US4331462A (en) | 1980-04-25 | 1982-05-25 | Bell Telephone Laboratories, Incorporated | Optical fiber fabrication by a plasma generator |
DE3203349A1 (de) * | 1981-11-28 | 1983-06-09 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren und vorrichtung zur herstellung einer optischen glasfaser mit geringem oh -ionengehalt |
JPS5883573U (ja) * | 1981-12-03 | 1983-06-06 | ダイハツディーゼル機器 | ドアクロ−ザの停止装置 |
DE3206144A1 (de) * | 1982-02-20 | 1983-09-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur herstellung eines lichtwellenleiters |
DE3206177A1 (de) * | 1982-02-20 | 1983-08-25 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur herstellung einer vorform, aus der optische fasern ziehbar sind |
DE3206176A1 (de) * | 1982-02-20 | 1983-08-25 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur herstellung einer vorform, aus der optische fasern ziehbar sind |
DE3222189A1 (de) * | 1982-06-12 | 1984-01-26 | Hans Dr.Rer.Nat. 5370 Kall Beerwald | Plasmaverfahren zur innenbeschichtung von rohren mit dielektrischem material |
DE3302128A1 (de) * | 1983-01-22 | 1984-07-26 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Lichtwellenleiter und ein verfahren zu dessen herstellung |
FR2543455B1 (fr) * | 1983-03-30 | 1987-03-27 | Air Liquide | Procede d'opalisation de la surface interieure d'objets de grande longueur par rapport a leur section |
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 |
DE3830364C1 (fr) * | 1988-09-07 | 1990-01-18 | Schott Glaswerke, 6500 Mainz, De | |
DE3936006A1 (de) * | 1989-10-28 | 1991-05-02 | Rheydt Kabelwerk Ag | Verfahren zum herstellen von vorformen fuer daempfungsarme optische fasern |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7202166U (de) * | 1972-05-04 | Heraeus Schott Quarzschmelze Gmbh | Lichtleitfaser | |
BE438752A (fr) * | 1939-04-22 | |||
DE1640559U (de) | 1949-07-07 | 1952-07-10 | Schloemann Ag | Schlepper fuer walzgut mit seilgesteuertem schleppdaumen. |
DE1085393B (de) * | 1956-02-11 | 1960-07-14 | Degussa | Verfahren zum Abscheiden von Metallschichten in Rohren aus keramischem Werkstoff |
US2967115A (en) * | 1958-07-25 | 1961-01-03 | Gen Electric | Method of depositing silicon on a silica coated substrate |
US3031338A (en) * | 1959-04-03 | 1962-04-24 | Alloyd Res Corp | Metal deposition process and apparatus |
US3127641A (en) * | 1961-10-05 | 1964-04-07 | Gen Electric | Tungsten tube manufacture |
NL128054C (fr) * | 1963-01-29 | |||
GB1145630A (en) * | 1966-10-18 | 1969-03-19 | Standard Telephones Cables Ltd | Dielectric waveguide |
FR2002589A1 (fr) * | 1968-02-26 | 1969-10-31 | Corning Glass Works | |
US3644607A (en) * | 1969-12-18 | 1972-02-22 | Texas Instruments Inc | Use of vapor phase deposition to make fused silica articles having titanium dioxide in the surface layer |
US3711262A (en) * | 1970-05-11 | 1973-01-16 | Corning Glass Works | Method of producing optical waveguide fibers |
US3737293A (en) * | 1972-01-03 | 1973-06-05 | Corning Glass Works | Method of forming an economic optical waveguide fiber |
-
1972
- 1972-06-08 GB GB2677072A patent/GB1427327A/en not_active Expired
-
1973
- 1973-05-31 CA CA172,817A patent/CA1054795A/fr not_active Expired
- 1973-06-06 DE DE2366295A patent/DE2366295C2/de not_active Expired
- 1973-06-06 AU AU56577/73A patent/AU475394B2/en not_active Expired
- 1973-06-06 NL NL7307907A patent/NL7307907A/xx active Search and Examination
- 1973-06-06 DE DE2328930A patent/DE2328930C2/de not_active Expired
- 1973-06-07 CH CH823273A patent/CH586165A5/xx not_active IP Right Cessation
- 1973-06-07 ES ES415658A patent/ES415658A1/es not_active Expired
- 1973-06-08 JP JP6459573A patent/JPS539740B2/ja not_active Expired
- 1973-06-12 IT IT25115/73A patent/IT988974B/it active
-
1979
- 1979-04-19 JP JP4851479A patent/JPS54151633A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
AU475394B2 (en) | 1976-08-19 |
DE2366295C2 (de) | 1982-05-13 |
ES415658A1 (es) | 1976-06-16 |
DE2328930C2 (de) | 1982-05-13 |
JPS54151633A (en) | 1979-11-29 |
GB1427327A (en) | 1976-03-10 |
IT988974B (it) | 1975-04-30 |
DE2328930A1 (de) | 1974-01-03 |
CH586165A5 (fr) | 1977-03-31 |
JPS4964447A (fr) | 1974-06-21 |
AU5657773A (en) | 1974-12-12 |
JPS539740B2 (fr) | 1978-04-07 |
NL7307907A (fr) | 1973-12-11 |
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