DE2328930A1 - Innenbeschichtetes glasrohr und verfahren zur herstellung der beschichtung - Google Patents
Innenbeschichtetes glasrohr und verfahren zur herstellung der beschichtungInfo
- Publication number
- DE2328930A1 DE2328930A1 DE2328930A DE2328930A DE2328930A1 DE 2328930 A1 DE2328930 A1 DE 2328930A1 DE 2328930 A DE2328930 A DE 2328930A DE 2328930 A DE2328930 A DE 2328930A DE 2328930 A1 DE2328930 A1 DE 2328930A1
- Authority
- DE
- Germany
- Prior art keywords
- tube
- layer
- core
- glass
- coating
- 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.)
- Granted
Links
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)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (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)
Description
7 Stuttgart 30
Kurze Straße 8
Claims (1)
- R.W.J.Uffen-2Patentansprüche1. Innenbeschichtetes Glasrohr zum Ziehen von Glasfaser- Lichtleitern, die aus einem Kern mit hohem Brechungsindex und einem Mantel mit niederem Brechungsindex bestehen, dadurch gekennzeichnet, daß zwischen Rohrmantel (20) und der später den Kern bildenden Schicht (22) mindestens eine weitere Schicht (21) angeordnet ist.2. Innenbeschichtetes Glasrohr nach Anspruch 1, dadurch gekennzeichnet , daß zwischen Rohrmantel (20) und der später den Kern bildenden Schicht (22) eine einzige weitere Schicht (21) angebracht ist, daß diese Schicht (21) den gleichen Brechungsindex wie der Rohrmantel (20) jedoch,eine höhere Durchlässigkeit aufweist.3· Innenbeschichtetes Glasrohr nach Anspruch 1, dadurch gekennzeichnet, daß zwischen dem Rohrmantel (20) und der später den Kern bildenden Schicht (21,...) weitere Schichten angeordnet sind, daß die Brechungsindices der weiteren Schichten vom Rohrmantel (20) zu der Schicht (22) hin nach einem quadratischen Gesetz ansteigen.** · Verfahren zum Beschichten der Innenwand eines Glasrohres mit einen unterschiedlichen Brechungsindex aufweisenden Schichten, dadurch gekennzeichnet, daß als Rohrmaterial Quarzglas gewählt wird, daß in das Rohrinnere Siliziumtetrachlorid in der Dampfphase und Sauerstoff bzw. Siliziumtetrachlorid, Titantetrachlorid und Sauerstoff eingeleitet wird, daß durch Erwärmen mittels Hochfrequenz-Erhitzung die Reaktion beschleunigt wird und daß309881/1076— ο—R.W.J.Uffen-2als Reaktionsprodukt eine Glasschicht niedergeschlagen wird.5. Verfahren nach Anspruch ^, dadurch gekennzeichnet, daß zum Erzielen einer gleichmäßigen Beschichtung das Rohr (30) während des Reaktionsvorganges um seine Achse gedreht wird und daß zwischen Rohr und Hochfrequenzspule^in Achsrichtung eine gleichmäßige Relativbewegung erfolgt, daß ferner dieser Relativbewegung eine hin und hergehende Bewegung überlagert wird.6. Verfahren nach Anspruch 4, dadurch gekennzeichnet, daß ein Beschichten und Ausziehen des Rohres in einem Arbeitsgang erfolgt.309881/1076Leerseite
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2677072A GB1427327A (en) | 1972-06-08 | 1972-06-08 | Glass optical fibres |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2328930A1 true DE2328930A1 (de) | 1974-01-03 |
| DE2328930C2 DE2328930C2 (de) | 1982-05-13 |
Family
ID=10248922
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2328930A Expired DE2328930C2 (de) | 1972-06-08 | 1973-06-06 | Verfahren zur Herstellung von Glasfaser-Lichtleitern |
| DE2366295A Expired DE2366295C2 (de) | 1972-06-08 | 1973-06-06 | Glasfaser-Lichtleiter |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2366295A Expired DE2366295C2 (de) | 1972-06-08 | 1973-06-06 | Glasfaser-Lichtleiter |
Country Status (9)
| Country | Link |
|---|---|
| JP (2) | JPS539740B2 (de) |
| AU (1) | AU475394B2 (de) |
| CA (1) | CA1054795A (de) |
| CH (1) | CH586165A5 (de) |
| DE (2) | DE2328930C2 (de) |
| ES (1) | ES415658A1 (de) |
| GB (1) | GB1427327A (de) |
| IT (1) | IT988974B (de) |
| NL (1) | NL7307907A (de) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2434717A1 (de) * | 1973-08-21 | 1975-03-06 | Int Standard Electric Corp | Verfahren zur herstellung optischer fasern und deren vorstufen |
| DE2402270A1 (de) * | 1974-01-18 | 1975-07-31 | Licentia Gmbh | Verfahren zur innenbeschichtung eines quarzrohrs und vorrichtung zur durchfuehrung des verfahrens |
| DE2524335A1 (de) * | 1974-05-31 | 1975-12-11 | Nat Res Dev | Optische wellenleiter |
| FR2284572A1 (fr) * | 1974-09-14 | 1976-04-09 | Philips Nv | Procede pour la realisation de tubes en verre a revetement interieur pour l'etirage de fibres optiques |
| FR2360522A2 (fr) * | 1976-03-25 | 1978-03-03 | Western Electric Co | Procede de realisation d'une ligne optique de transmission |
| DE2804467A1 (de) * | 1977-02-02 | 1978-08-03 | Hitachi Ltd | Optische faser und verfahren zur herstellung von optischen fasern |
| FR2380232A1 (fr) * | 1977-02-10 | 1978-09-08 | Northern Telecom Ltd | Procede et dispositif pour la fabrication d'une fibre optique a depot dans un tube active par plasma |
| FR2428011A1 (fr) * | 1978-06-08 | 1980-01-04 | Corning Glass Works | Procede et appareillage pour la fabrication d'elements optiques en verre |
| US4217027A (en) | 1974-02-22 | 1980-08-12 | Bell Telephone Laboratories, Incorporated | Optical fiber fabrication and resulting product |
| DE2929166A1 (de) * | 1979-07-19 | 1981-01-29 | Philips Patentverwaltung | Verfahren zur herstellung von lichtleitfasern |
| US4262035A (en) | 1980-03-07 | 1981-04-14 | Bell Telephone Laboratories, Incorporated | Modified chemical vapor deposition of an optical fiber using an rf plasma |
| DE3047589A1 (de) * | 1979-12-17 | 1981-09-17 | Nippon Telegraph & Telephone Public Corp., Tokyo | Lichtwellenleiter fuer optische schaltkreise und verfahren zu dessen herstellung |
| EP0082305A1 (de) * | 1981-11-28 | 1983-06-29 | Licentia Patent-Verwaltungs-GmbH | Verfahren und Vorrichtung zur Herstellung einer optischen Glasfaser mit geringem neg. OH-Ionengehalt |
| DE3222189A1 (de) * | 1982-06-12 | 1984-01-26 | Hans Dr.Rer.Nat. 5370 Kall Beerwald | Plasmaverfahren zur innenbeschichtung von rohren mit dielektrischem material |
| FR2543455A1 (fr) * | 1983-03-30 | 1984-10-05 | Air Liquide | Procede d'opalisation de la surface interieure d'objets de grande longueur par rapport a leur section |
| US4975103A (en) * | 1988-09-07 | 1990-12-04 | Schott Glaswerke | Process for producing a planar glass substrate coated with a dielectric layer system |
| DE3936006A1 (de) * | 1989-10-28 | 1991-05-02 | Rheydt Kabelwerk Ag | Verfahren zum herstellen von vorformen fuer daempfungsarme optische fasern |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4983453A (de) * | 1972-12-14 | 1974-08-10 | ||
| CA1050833A (en) * | 1974-02-22 | 1979-03-20 | John B. Macchesney | Optical fiber fabrication involving homogeneous reaction within a moving hot zone |
| 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 (en) * | 1975-09-11 | 1978-04-25 | Frederick D. King | Optical fibre transmission line |
| AU504423B2 (en) * | 1975-11-14 | 1979-10-11 | International Standard Electric Corporation | Optical fibre |
| JPS5621777Y2 (de) * | 1976-02-04 | 1981-05-22 | ||
| 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 |
| 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 |
| GB1603949A (en) * | 1978-05-30 | 1981-12-02 | Standard Telephones Cables Ltd | Plasma deposit |
| US4331462A (en) | 1980-04-25 | 1982-05-25 | Bell Telephone Laboratories, Incorporated | Optical fiber fabrication by a plasma generator |
| 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 |
| 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 |
| DE3206144A1 (de) * | 1982-02-20 | 1983-09-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren zur herstellung eines lichtwellenleiters |
| DE3302128A1 (de) * | 1983-01-22 | 1984-07-26 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Lichtwellenleiter und ein verfahren zu dessen herstellung |
| 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 |
| KR20080066884A (ko) * | 2004-04-15 | 2008-07-16 | 가부시키가이샤후지쿠라 | 중수소에 의한 광섬유의 처리 장치 및 그 방법 |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2326059A (en) * | 1939-04-22 | 1943-08-03 | Corning Glass Works | Glass having an expansion lower than that of silica |
| 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 |
| 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 |
| DE1208740B (de) * | 1963-01-29 | 1966-01-13 | Thermal Syndicate Ltd | Verfahren zur Herstellung reiner Kieselsaeure durch Verdampfen einer oxydierbaren Siliciumverbindung in einem elementaren und/oder gebundenen Sauerstoff enthaltenden Gasstrom |
| DE1909433A1 (de) * | 1968-02-26 | 1969-09-18 | Corning Glass Works | Verfahren zur Herstellung eines Glases hoher Lichtdurchlaessigkeit |
| NL7106382A (de) * | 1970-05-11 | 1971-11-15 | ||
| 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 |
| DE7202166U (de) | 1972-05-04 | Heraeus Schott Quarzschmelze Gmbh | Lichtleitfaser |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2967115A (en) * | 1958-07-25 | 1961-01-03 | Gen Electric | Method of depositing silicon on a silica coated substrate |
| GB1145630A (en) * | 1966-10-18 | 1969-03-19 | Standard Telephones Cables Ltd | Dielectric waveguide |
| 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/en not_active Expired
- 1973-06-06 AU AU56577/73A patent/AU475394B2/en not_active Expired
- 1973-06-06 DE DE2328930A patent/DE2328930C2/de not_active Expired
- 1973-06-06 DE DE2366295A patent/DE2366295C2/de not_active Expired
- 1973-06-06 NL NL7307907A patent/NL7307907A/xx active Search and Examination
- 1973-06-07 ES ES415658A patent/ES415658A1/es not_active Expired
- 1973-06-07 CH CH823273A patent/CH586165A5/xx not_active IP Right Cessation
- 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
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7202166U (de) | 1972-05-04 | Heraeus Schott Quarzschmelze Gmbh | Lichtleitfaser | |
| US2326059A (en) * | 1939-04-22 | 1943-08-03 | Corning Glass Works | Glass having an expansion lower than that of silica |
| 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 |
| 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 |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2434717A1 (de) * | 1973-08-21 | 1975-03-06 | Int Standard Electric Corp | Verfahren zur herstellung optischer fasern und deren vorstufen |
| DE2402270A1 (de) * | 1974-01-18 | 1975-07-31 | Licentia Gmbh | Verfahren zur innenbeschichtung eines quarzrohrs und vorrichtung zur durchfuehrung des verfahrens |
| US4217027A (en) | 1974-02-22 | 1980-08-12 | Bell Telephone Laboratories, Incorporated | Optical fiber fabrication and resulting product |
| DE2524335A1 (de) * | 1974-05-31 | 1975-12-11 | Nat Res Dev | Optische wellenleiter |
| FR2284572A1 (fr) * | 1974-09-14 | 1976-04-09 | Philips Nv | Procede pour la realisation de tubes en verre a revetement interieur pour l'etirage de fibres optiques |
| FR2360522A2 (fr) * | 1976-03-25 | 1978-03-03 | Western Electric Co | Procede de realisation d'une ligne optique de transmission |
| DE2804467A1 (de) * | 1977-02-02 | 1978-08-03 | Hitachi Ltd | Optische faser und verfahren zur herstellung von optischen fasern |
| FR2379826A1 (fr) * | 1977-02-02 | 1978-09-01 | Hitachi Ltd | Fibre optique et son procede de fabrication |
| FR2380232A1 (fr) * | 1977-02-10 | 1978-09-08 | Northern Telecom Ltd | Procede et dispositif pour la fabrication d'une fibre optique a depot dans un tube active par plasma |
| FR2428011A1 (fr) * | 1978-06-08 | 1980-01-04 | Corning Glass Works | Procede et appareillage pour la fabrication d'elements optiques en verre |
| DE2929166A1 (de) * | 1979-07-19 | 1981-01-29 | Philips Patentverwaltung | Verfahren zur herstellung von lichtleitfasern |
| DE3047589A1 (de) * | 1979-12-17 | 1981-09-17 | Nippon Telegraph & Telephone Public Corp., Tokyo | Lichtwellenleiter fuer optische schaltkreise und verfahren zu dessen herstellung |
| US4262035A (en) | 1980-03-07 | 1981-04-14 | Bell Telephone Laboratories, Incorporated | Modified chemical vapor deposition of an optical fiber using an rf plasma |
| EP0082305A1 (de) * | 1981-11-28 | 1983-06-29 | Licentia Patent-Verwaltungs-GmbH | Verfahren und Vorrichtung zur Herstellung einer optischen Glasfaser mit geringem neg. OH-Ionengehalt |
| DE3222189A1 (de) * | 1982-06-12 | 1984-01-26 | Hans Dr.Rer.Nat. 5370 Kall Beerwald | Plasmaverfahren zur innenbeschichtung von rohren mit dielektrischem material |
| FR2543455A1 (fr) * | 1983-03-30 | 1984-10-05 | Air Liquide | Procede d'opalisation de la surface interieure d'objets de grande longueur par rapport a leur section |
| US4975103A (en) * | 1988-09-07 | 1990-12-04 | Schott Glaswerke | Process for producing a planar glass substrate coated with a dielectric layer system |
| DE3936006A1 (de) * | 1989-10-28 | 1991-05-02 | Rheydt Kabelwerk Ag | Verfahren zum herstellen von vorformen fuer daempfungsarme optische fasern |
Also Published As
| Publication number | Publication date |
|---|---|
| CH586165A5 (de) | 1977-03-31 |
| ES415658A1 (es) | 1976-06-16 |
| DE2328930C2 (de) | 1982-05-13 |
| IT988974B (it) | 1975-04-30 |
| GB1427327A (en) | 1976-03-10 |
| JPS54151633A (en) | 1979-11-29 |
| AU5657773A (en) | 1974-12-12 |
| JPS4964447A (de) | 1974-06-21 |
| DE2366295C2 (de) | 1982-05-13 |
| NL7307907A (de) | 1973-12-11 |
| CA1054795A (en) | 1979-05-22 |
| AU475394B2 (en) | 1976-08-19 |
| JPS539740B2 (de) | 1978-04-07 |
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