NL165134C - Werkwijze voor de vervaardiging van een staaf als tussenprodukt voor de vervaardiging van een optische vezel en werkwijze voor de vervaardiging van een optische vezel uit zulk een tussenprodukt. - Google Patents
Werkwijze voor de vervaardiging van een staaf als tussenprodukt voor de vervaardiging van een optische vezel en werkwijze voor de vervaardiging van een optische vezel uit zulk een tussenprodukt.Info
- Publication number
- NL165134C NL165134C NL7504872.A NL7504872A NL165134C NL 165134 C NL165134 C NL 165134C NL 7504872 A NL7504872 A NL 7504872A NL 165134 C NL165134 C NL 165134C
- Authority
- NL
- Netherlands
- Prior art keywords
- glass core
- dopant compound
- vapor
- optical fiber
- manufacturing
- Prior art date
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]
- C03B37/01413—Reactant delivery systems
-
- 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]
- C03B37/0148—Means for heating preforms during or immediately prior to deposition
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
- C03C13/045—Silica-containing oxide glass compositions
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/06—Glass compositions containing silica with more than 90% silica by weight, e.g. quartz
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/80—Feeding the burner or the burner-heated deposition site
- C03B2207/81—Constructional details of the feed line, e.g. heating, insulation, material, manifolds, filters
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/80—Feeding the burner or the burner-heated deposition site
- C03B2207/85—Feeding the burner or the burner-heated deposition site with vapour generated from liquid glass precursors, e.g. directly by heating the liquid
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2207/00—Glass deposition burners
- C03B2207/80—Feeding the burner or the burner-heated deposition site
- C03B2207/85—Feeding the burner or the burner-heated deposition site with vapour generated from liquid glass precursors, e.g. directly by heating the liquid
- C03B2207/87—Controlling the temperature
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2201/00—Glass compositions
- C03C2201/06—Doped silica-based glasses
- C03C2201/30—Doped silica-based glasses containing metals
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2201/00—Glass compositions
- C03C2201/06—Doped silica-based glasses
- C03C2201/30—Doped silica-based glasses containing metals
- C03C2201/31—Doped silica-based glasses containing metals containing germanium
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2201/00—Glass compositions
- C03C2201/06—Doped silica-based glasses
- C03C2201/30—Doped silica-based glasses containing metals
- C03C2201/32—Doped silica-based glasses containing metals containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2201/00—Glass compositions
- C03C2201/06—Doped silica-based glasses
- C03C2201/30—Doped silica-based glasses containing metals
- C03C2201/40—Doped silica-based glasses containing metals containing transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn
- C03C2201/42—Doped silica-based glasses containing metals containing transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn containing titanium
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2203/00—Production processes
- C03C2203/40—Gas-phase processes
- C03C2203/42—Gas-phase processes using silicon halides as starting materials
- C03C2203/44—Gas-phase processes using silicon halides as starting materials chlorine containing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Glass Compositions (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Glass Melting And Manufacturing (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4547174A JPS5431815B2 (nl) | 1974-04-24 | 1974-04-24 | |
JP4858674A JPS5343407B2 (nl) | 1974-04-24 | 1974-04-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL7504872A NL7504872A (nl) | 1975-10-28 |
NL165134C true NL165134C (nl) | 1981-03-16 |
Family
ID=26385467
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7504872.A NL165134B (nl) | 1974-04-24 | Werkwijze voor de vervaardiging van een staaf als tussenprodukt voor de vervaardiging van een optische vezel en werkwijze voor de vervaardiging van een optische vezel uit zulk een tussenprodukt. | |
NL7504872.A NL165134C (nl) | 1974-04-24 | 1975-04-24 | Werkwijze voor de vervaardiging van een staaf als tussenprodukt voor de vervaardiging van een optische vezel en werkwijze voor de vervaardiging van een optische vezel uit zulk een tussenprodukt. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7504872.A NL165134B (nl) | 1974-04-24 | Werkwijze voor de vervaardiging van een staaf als tussenprodukt voor de vervaardiging van een optische vezel en werkwijze voor de vervaardiging van een optische vezel uit zulk een tussenprodukt. |
Country Status (6)
Country | Link |
---|---|
US (1) | US3957474A (nl) |
JP (1) | JPS5343407B2 (nl) |
DE (1) | DE2518056C3 (nl) |
FR (1) | FR2269089B1 (nl) |
GB (1) | GB1498907A (nl) |
NL (2) | NL165134C (nl) |
Families Citing this family (71)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4161505A (en) * | 1972-11-25 | 1979-07-17 | Sumitomo Electric Industries, Ltd. | Process for producing optical transmission fiber |
DE2444100C3 (de) * | 1974-09-14 | 1979-04-12 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren zur Herstellung von innenbeschichteten Glasrohren zum Ziehen von Lichtleitfasern |
US4145456A (en) * | 1974-09-14 | 1979-03-20 | Dieter Kuppers | Method of producing internally coated glass tubes for the drawing of fibre optic light conductors |
US4135901A (en) * | 1974-12-18 | 1979-01-23 | Sumitomo Electric Industries, Ltd. | Method of manufacturing glass for optical waveguide |
US4040890A (en) * | 1975-06-27 | 1977-08-09 | Bell Telephone Laboratories, Incorporated | Neodymium oxide doped yttrium aluminum garnet optical fiber |
US4038062A (en) * | 1976-03-25 | 1977-07-26 | Bell Telephone Laboratories, Incorporated | Method and apparatus for introducing geometrical perturbations in optical fiber waveguides |
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 |
US4202682A (en) * | 1976-05-07 | 1980-05-13 | International Standard Electric Corporation | Glass manufacture |
US4114980A (en) * | 1976-05-10 | 1978-09-19 | International Telephone And Telegraph Corporation | Low loss multilayer optical fiber |
US4198223A (en) * | 1977-05-17 | 1980-04-15 | International Telephone And Telegraph Corporation | Continuous fiber fabrication process |
US4253863A (en) * | 1977-06-07 | 1981-03-03 | International Telephone And Telegraph Corporation | Apparatus for mass producing fiber optic preforms and optic fibers |
US4276072A (en) * | 1977-06-07 | 1981-06-30 | International Telephone And Telegraph Corporation | Optical fiber fabrication |
US4204851A (en) * | 1977-06-23 | 1980-05-27 | Corning Glass Works | Directing glass forming constituents against a lateral surface parallel to the axis of rotation of a starting member to form a monolithic blank for an optical waveguide |
US4203553A (en) * | 1977-06-27 | 1980-05-20 | Corning Glass Works | Ribbon burner |
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 |
US4204850A (en) * | 1977-08-26 | 1980-05-27 | Corning Glass Works | Carbon coating for a starting member used in producing optical waveguide |
US4358181A (en) * | 1977-09-29 | 1982-11-09 | Corning Glass Works | Gradient index optical waveguide and method of making |
IT1091498B (it) * | 1977-11-25 | 1985-07-06 | Cselt Centro Studi Lab Telecom | Procedimento ed apparecchiatura per la produzione continua di fibre ottiche |
JPS54116429A (en) * | 1978-03-03 | 1979-09-10 | Hitachi Ltd | Production of material for optical fiber |
US4231774A (en) * | 1978-04-10 | 1980-11-04 | International Telephone And Telegraph Corporation | Method of fabricating large optical preforms |
US4188201A (en) * | 1978-04-17 | 1980-02-12 | Lothar Jung | Apparatus for forming an ingot in a rotating housing |
FR2447890B1 (fr) * | 1979-02-05 | 1985-06-28 | Lyonnaise Transmiss Optiques | Procede de fabrication de preformes de fibres optiques a gradient d'indice, et dispositif de mise en oeuvre de ce procede |
US4212661A (en) * | 1979-02-16 | 1980-07-15 | Lothar Jung | Method for the manufacture of hollow fused quartz or fused silica ingots |
US4230472A (en) * | 1979-02-22 | 1980-10-28 | Corning Glass Works | Method of forming a substantially continuous optical waveguide |
GB2052566B (en) * | 1979-03-30 | 1982-12-15 | Rolls Royce | Laser aplication of hard surface alloy |
US4294601A (en) * | 1979-07-13 | 1981-10-13 | Times Fiber Communications, Inc. | Apparatus and process for automatic control of the production of optical fiber |
BR7908672A (pt) * | 1979-11-30 | 1981-06-30 | Brasilia Telecom | Processo de posicao de filmes a partir da fase vapor |
US4302230A (en) * | 1980-04-25 | 1981-11-24 | Bell Telephone Laboratories, Incorporated | High rate optical fiber fabrication process using thermophoretically enhanced particle deposition |
US4340617A (en) * | 1980-05-19 | 1982-07-20 | Massachusetts Institute Of Technology | Method and apparatus for depositing a material on a surface |
US4579750A (en) * | 1980-07-07 | 1986-04-01 | Massachusetts Institute Of Technology | Laser heated CVD process |
JPS57100933A (en) * | 1980-12-12 | 1982-06-23 | Nippon Telegr & Teleph Corp <Ntt> | Preparation of base material for optical fiber |
JPS57100934A (en) * | 1980-12-12 | 1982-06-23 | Nippon Telegr & Teleph Corp <Ntt> | Manufacturing of optical fiber preform |
US4417911A (en) * | 1981-02-27 | 1983-11-29 | Associated Electrical Industries Limited | Manufacture of optical fibre preforms |
AU535343B2 (en) * | 1981-02-27 | 1984-03-15 | Associated Electrical Industries Limited | Manufacture of optical fibre preform |
JPS57163204A (en) * | 1981-04-02 | 1982-10-07 | Nec Corp | Production of optical waveguide on glass substrate |
US4378985A (en) * | 1981-06-04 | 1983-04-05 | Corning Glass Works | Method and apparatus for forming an optical waveguide fiber |
NL8103647A (nl) * | 1981-08-03 | 1983-03-01 | Philips Nv | Werkwijze voor de continue vervaardiging van een optische fiber onder neerslaan van glaslagen op een doorn. |
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. |
US4421721A (en) * | 1981-10-02 | 1983-12-20 | The Board Of Trustees Of The Leland Stanford Junior University | Apparatus for growing crystal fibers |
DE3206178A1 (de) * | 1982-02-20 | 1983-08-25 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur herstellung einer vorform, aus der optische fasern ziehbar sind |
US4615904A (en) * | 1982-06-01 | 1986-10-07 | Massachusetts Institute Of Technology | Maskless growth of patterned films |
WO1983004269A1 (en) * | 1982-06-01 | 1983-12-08 | Massachusetts Institute Of Technology | Maskless growth of patterned films |
US4440558A (en) * | 1982-06-14 | 1984-04-03 | International Telephone And Telegraph Corporation | Fabrication of optical preforms by axial chemical vapor deposition |
US4507135A (en) * | 1982-08-02 | 1985-03-26 | Corning Glass Works | Method of making optical fiber preform |
US4568370A (en) * | 1982-09-29 | 1986-02-04 | Corning Glass Works | Optical fiber preform and method |
US4726827A (en) * | 1982-09-29 | 1988-02-23 | Corning Glass Works | Method and apparatus for producing an optical fiber preform |
US4639079A (en) * | 1982-09-29 | 1987-01-27 | Corning Glass Works | Optical fiber preform and method |
JPS59169949A (ja) * | 1983-03-14 | 1984-09-26 | Matsushita Electric Ind Co Ltd | 光フアイバの製造方法 |
GB2131417B (en) * | 1982-12-02 | 1987-04-08 | Western Electric Co Ltd | Optical device and preform fabrication |
DE3300449A1 (de) * | 1983-01-08 | 1984-07-12 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren zur herstellung einer elektrode fuer eine hochdruckgasentladungslampe |
US4542580A (en) * | 1983-02-14 | 1985-09-24 | Prime Computer, Inc. | Method of fabricating n-type silicon regions and associated contacts |
JPS60186429A (ja) * | 1984-03-01 | 1985-09-21 | Sumitomo Electric Ind Ltd | 光フアイバ用母材の製造方法 |
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 |
US4664473A (en) * | 1985-04-01 | 1987-05-12 | Corning Glass Works | Optical fiber formed of MgO--Al2 O3 --SiO2 glass |
IT1184068B (it) * | 1985-04-10 | 1987-10-22 | Cselt Centro Studi Lab Telecom | Procedimento per la produzione di fibre ottiche in silice drogata con allumina utilizzante reagenti metallorganici |
US4863501A (en) * | 1985-09-26 | 1989-09-05 | Polaroid Corporation, Patent Department | Method of employing plasma for finishing start rods |
US4684384A (en) * | 1986-02-27 | 1987-08-04 | Corning Glass Works | Conveyor deposition method and apparatus for making optical fiber preforms |
EP0318506A4 (en) * | 1986-08-18 | 1992-02-26 | Ceramic Research, Inc. | Laser assisted fiber growth |
US4818562A (en) * | 1987-03-04 | 1989-04-04 | Westinghouse Electric Corp. | Casting shapes |
US5114738A (en) * | 1990-07-20 | 1992-05-19 | The United States Of America As Represented By The Secretary Of The Army | Direct optical fiber glass formation techniques using chemically and/or physically removable filamentary substrates |
US6474107B1 (en) * | 1996-12-02 | 2002-11-05 | Franklin W. Dabby | Fluorinating an optical fiber preform in a pure aluminum oxide muffle tube |
US6723435B1 (en) * | 2001-08-28 | 2004-04-20 | Nanogram Corporation | Optical fiber preforms |
US6960537B2 (en) * | 2001-10-02 | 2005-11-01 | Asm America, Inc. | Incorporation of nitrogen into high k dielectric film |
JP2003171137A (ja) * | 2001-11-30 | 2003-06-17 | Fujikura Ltd | 光ファイバ母材の製造方法 |
FR2909298B1 (fr) * | 2006-12-02 | 2009-07-10 | Technogenia Soc Par Actions Si | Piece concave rechargee par laser, procede et dispositif pour sa realisation |
US8065893B2 (en) * | 2009-07-10 | 2011-11-29 | Dau Wu | Process, apparatus, and material for making silicon germanium core fiber |
DE102011122510A1 (de) * | 2011-12-29 | 2013-07-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Beschichtung von optischen Wellenleitern |
US20150225845A1 (en) * | 2014-02-12 | 2015-08-13 | Electronics And Telecommunications Research Institute | Method for forming metal oxide thin film and device for printing metal oxide thin film |
EP4015468A1 (de) | 2020-12-16 | 2022-06-22 | Heraeus Quarzglas GmbH & Co. KG | Verfahren zur herstellung von synthetischem quarzglas |
EP4015467A1 (de) * | 2020-12-16 | 2022-06-22 | Heraeus Quarzglas GmbH & Co. KG | Verfahren zur herstellung von synthetischem quarzglas |
CN118024638B (zh) * | 2024-02-22 | 2024-09-17 | 中国航天三江集团有限公司 | 一种新型光纤包层制备方法及系统 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3224840A (en) * | 1962-11-16 | 1965-12-21 | Gen Telephone & Elect | Methods and apparatus for producing crystalline materials |
BE666629A (nl) * | 1964-08-04 | |||
DE1471446C3 (de) * | 1964-08-19 | 1975-03-06 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Verfahren zur Herstellung von aus Aluminiumoxid bestehenden Einkristallen |
US3892540A (en) * | 1965-10-05 | 1975-07-01 | Ugine Kuhlmann | Producing monocrystalline bodies by the verneuil method |
US3741796A (en) * | 1968-07-11 | 1973-06-26 | Texas Instruments Inc | Silica deposition utilizing multiple torches |
DE1900116C3 (de) * | 1969-01-02 | 1978-10-19 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zum Herstellen hxxochreiner, aus Silicium bestehender einkristalliner Schichten |
GB1313106A (en) * | 1969-10-14 | 1973-04-11 | Pilkington Brothers Ltd | Manufacture of clad glass |
US3826560A (en) * | 1972-03-30 | 1974-07-30 | Corning Glass Works | Method of forming a light focusing fiber waveguide |
US3823995A (en) * | 1972-03-30 | 1974-07-16 | Corning Glass Works | Method of forming light focusing fiber waveguide |
US3864113A (en) * | 1973-10-19 | 1975-02-04 | Corning Glass Works | Method of Producing Glass by Flame Hydrolysis |
JPS5429263B2 (nl) * | 1974-01-14 | 1979-09-21 |
-
0
- NL NL7504872.A patent/NL165134B/nl unknown
-
1974
- 1974-04-30 JP JP4858674A patent/JPS5343407B2/ja not_active Expired
-
1975
- 1975-04-17 GB GB15927/75A patent/GB1498907A/en not_active Expired
- 1975-04-17 US US05/569,113 patent/US3957474A/en not_active Expired - Lifetime
- 1975-04-23 DE DE2518056A patent/DE2518056C3/de not_active Expired
- 1975-04-23 FR FR7512714A patent/FR2269089B1/fr not_active Expired
- 1975-04-24 NL NL7504872.A patent/NL165134C/nl not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US3957474A (en) | 1976-05-18 |
JPS5343407B2 (nl) | 1978-11-20 |
DE2518056A1 (de) | 1975-10-30 |
NL7504872A (nl) | 1975-10-28 |
FR2269089A1 (nl) | 1975-11-21 |
FR2269089B1 (nl) | 1982-07-16 |
JPS50141334A (nl) | 1975-11-13 |
DE2518056C3 (de) | 1980-05-08 |
DE2518056B2 (de) | 1978-05-11 |
NL165134B (nl) | 1980-10-15 |
GB1498907A (en) | 1978-01-25 |
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