Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7341386 | Optical fiber wire clip An optical fiber wire clip suitable for being fixed on a base for clipping an optical fiber wire is provided. The optical fiber wire clip has a through hole. The optical fiber wire is suitable for being disposed through the through hole and clipped by a wall of the ... | 03/11/2008 |
| 7302814 | Apparatus for preventing deflection of substrate tube An apparatus for producing an optical fiber preform to perform the deposition process by modified chemical vapor deposition. The Apparatus comprises a main heat source location sensor (800) for detecting the location of a main heat source for heating a substr... | 12/04/2007 |
| 7137279 | Cap assembly and optical fiber cooling process A cap assembly for collecting cooling gas from a coolant chamber tube is disclosed. The cap assembly having connecting means and outlet means extending from its side walls being generally shaped and sized for detachable mounting on the body of the cooling gas chambe... | 11/21/2006 |
| 7053536 | Gas discharge tube having electrodes with chemically inert surface A new gas discharge tube with end electrodes having chemically inert surfaces is disclosed. As the surfaces are resistant to the build-up of layers, such as oxide layers, a discharge tube according to the invention exhibits higher selectivity and better performance ... | 05/30/2006 |
| 7046884 | Optical fiber, optical fiber tape, optical cable and optical connector with optical fiber The present invention relates to an optical fiber and the like comprising a structure enabling high-density packaging into an optical cable while making it possible to transmit signals with a high bit rate in both of wavelength bands of 1.3 μm and 1.55 μm. For exa... | 05/16/2006 |
| 6988378 | Light weight porous structure These glass bodies are light weight porous structures such as a boules of high purity fused silica (HPFS). More specifically, the porous structures are supports for HPFS mirror blanks. Porous glass is made utilizing flame deposition of pure silica or doped silica in... | 01/24/2006 |
| 6618537 | Optical waveguide structures and methods of fabrication Methods of fabricating solid state optical waveguide structures comprising a doped silicon dioxide core layer sandwiched between lower and upper doped silicon dioxide cladding layers on a silicon substrate. The core and upper cladding layers are deposited... | 09/09/2003 |
| 6487879 | Method of making titania-doped fused silica This invention relates to production of high purity fused silica glass doped with titania using titanium chelates. Useful chelates include titanium acetylacetonate, and titanium ethyl acetoacetate among others.... | 12/03/2002 |
| 6376010 | Germanium doped silica forming feedstock and method The present invention is directed to a silica forming feedstock and a method of making optical waveguides and optical waveguide preforms. The feedstock for use in the manufacturing of germanium doped silica glass products includes a siloxane and a germani... | 04/23/2002 |
| 6189340 | Process for forming a titania-containing preform silica glass blank Disclosed is an optical waveguide fiber having a compressive outer layer that includes TiO2 in the SiO2 matrix glass. The compressive outer layer includes crystalline structures containing TiO2 that are predominately rutil... | 02/20/2001 |
| 6145345 | Modified chemical vapor deposition using independently controlled thermal sources The deposition rate of MCVD processes is enhanced by applying at least a first and a second independently controlled heat source to a plurality of reactants which are used to form deposited particulate matter. The first heat source is adjusted so as to pr... | 11/14/2000 |
| 6029476 | Method and apparatus for manufacturing an optical fiber provided with a hermetic coating A method and apparatus for manufacturing optical fibers provided with hermetic coatings, wherein the bare fiber made from a heated preform advances through a stream of reactive gaseous medium which flows at a constant speed in the direction of advance of ... | 02/29/2000 |
| 5790732 | Optical connector with protective coating and method of manufacturing the same An optical connector has a ferrule for accommodating an optical fiber. The ferrule includes a glass capillary and a coating. The glass capillary is formed at the distal end portion of the ferrule and is inserted in a ceramic sleeve that performs optical c... | 08/04/1998 |
| 5682453 | Method of securing optical fiber components, devices and fibers to the same or to mounting fixtures A method of bonding glass-based optical elements comprising the steps of positioning a first glass-based optical element relative to a second glass-based optical element, applying a glass-based bonding compound about the first and second optical elements,... | 10/28/1997 |
| 5676725 | Method of manufacturing single-mode optical fiber A method of manufacturing an optical fiber in which the deviation of a cutoff wavelength from a design value can be minimized. It is found that, upon diameter reduction of a porous core glass body by heat treatment, when the diameter reduction ratio is se... | 10/14/1997 |
| 5611835 | Method for applying a carbon coating to optical fibers in aluminum reactor vessel A method for applying a carbon coating to an optical fiber wherein the build up of reaction by-products within the reactor is reduced by providing cooler reactors walls, dual fiber exit ports with different inside diameters, and gas shielding at one fiber... | 03/18/1997 |
| 5354348 | Method for producing silica glass optical fiber with carbon coating A method for producing a silica glass optical fiber, which comprises coating carbon on the optical fiber with the use of the remaining heat of not less than 800° C. possessed by the optical fiber just after heat wire drawing, for thermal decomposition of... | 10/11/1994 |
| 5352261 | Apparatus for the production of hermetically coated optical fiber There is provided an apparatus for the production of a hermetically coated optical fiber in which a glass preform for an optical fiber is melt drawn in a melt drawing furnace to produce a bare optical fiber which is passed to a reactor where a feed gas is... | 10/04/1994 |
| 5348564 | Method for manufacturing a hermetically coated optical fiber An apparatus for manufacturing a hermetically coated optical fiber having a single reaction chamber into which a fare fiber and raw gas are to be introduced for applying a hermetic coating to the bare fiber while the bare fiber passes through the reaction... | 09/20/1994 |
| 5346520 | Apparatus for applying a carbon coating to optical fibers A reactor for applying a carbon coating to an optical waveguide fiber wherein the buildup of reaction by-products within the reactor is reduced by providing internal and external fiber exit ports with the diameter of the internal fiber exit port being gre... | 09/13/1994 |
| 5320659 | Method of forming a carbon coated optical fiber with co-current reactant flow A surface of an optical fiber is coated by a method for coating a surface of an optical fiber with carbon comprising steps of introducing an optical fiber in a reaction chamber in the same direction as the flow of a coating raw material comprising carbon,... | 06/14/1994 |
| 5296011 | Method of manufacturing hermetic coating optical fiber A mass production method of hermetic coating optical fiber where a bare fiber drawn from a preform is hermetically coated by CVD method in a reactor vessel, wherein a liquid flushes solid particles or by-products sticking to the reactor inner wall. The li... | 03/22/1994 |
| 5269825 | Method of manufacturing radiation-resistant optical fiber A method of manufacturing a radiation-resistant optical fiber includes steps of a) heating a bare optical fiber to remove residual hydrogen gas present in the bare optical fiber and b) forming a coating layer consisting of a substance which does not allow... | 12/14/1993 |
| 5259856 | Method of producing glass preform in furnace for heating glass A heating furnace for heating a porous preform made of fine particles of quartz base glass for an optical fiber which comprises a heater and a muffle tube positioned inside the heater to separate a heating atmosphere from the heater, wherein the muffle tu... | 11/09/1993 |
| 5256177 | Method for coating optical fibers The invention concerns a method and apparatus for producing a carbon coated optical fiber. An optical fiber is drawn through a reactor tube. Reactant gas is flowed into the tube and onto the fiber where it reacts to form a carbon coating on the fiber. The... | 10/26/1993 |
| 5242477 | Apparatus for coating optical fibers An optical fiber (24), destined to receive a hermetic coating (32), is moved through a hermetic coating apparatus (30) wherein the fiber, entering the hermetic coating apparatus as a predetermined temperature, is caused to be engaged by a reactive gas. Th... | 09/07/1993 |
| 5223014 | Method for splicing and reinforcing carbon coated optical fibers The present invention relates to a method for the fusion splicing of carbon coated optical fibers and to a method for providing reinforced performance of the spliced points. Concretely, carbon coated optical fibers are fusion spliced in an atmosphere cont... | 06/29/1993 |
| 5194080 | Apparatus for producing hermetic coated optical fiber A hermetic coated optical fiber is produced by preparing a bare optical fiber by melting and drawing an optical fiber preform in a fiber drawing furnace and introducing the bare optical fiber in a reactor in which a raw material gas is introduced and form... | 03/16/1993 |
| 5152817 | Reactor for coating optical fibers The invention concerns a method and apparatus for producing a carbon coated optical fiber. An optical fiber is drawn through a reactor tube. Reactant gas is flowed into the tube and onto the fiber where it reacts to form a carbon coating on the fiber. The... | 10/06/1992 |
| 5147432 | Methods of and apparatus for coating optical fibers An optical fiber (24), destined to receive a hermetic coating (32), is moved through a hermetic coating apparatus (30) wherein the fiber, entering the hermetic coating apparatus at a predetermined temperature, is caused to be engaged by a reactive gas. Th... | 09/15/1992 |
| 5118333 | Apparatus for contacting a preform rod to cause the preform rod to have a substantially straight longitudinal axis and a transverse cross section which is substantially circular and disposed concentrically about its longitudinal axis In order to provide a substrate such as an optical preform rod (24) which is suitable for insertion into a tube and which has a transverse cross section that is substantially circular and disposed concentrically about a longitudinal axis of the substrate ... | 06/02/1992 |
| 5102438 | Method of manufacturing silicon optical fiber having a compressive surface layer In order to eliminate the effect of water attack on silica optical fibres, the fibres are provided with a surface layer of silicon nitride or silicon oxynitride. The method proposed includes direct nitridation. This may be achieved by adding a nitriding a... | 04/07/1992 |
| 5076824 | Method of making fiber optical preform with pyrolytic coated mandrel A mandrel (12) that is used for supporting a glass soot cylinder during consolidation into anoptical fiber preform is coated by chemical vapor deposition with a material selected from the group consisting of pyrolytic graphite and pyrolytic boron nitride.... | 12/31/1991 |
| 5037464 | Method of cleaning and carbon coating optical fiber A method for manufacturing carbon coated optical fiber includes the steps of removing adherent foreign material from a surface of a bare optical fiber, and forming at least one carbon layer on the surface thereof using a chemical vapor deposition method. ... | 08/06/1991 |
| 5024688 | Method for producing carbon-coated optical fiber Disclosed is a method for producing carbon-coated optical fiber including the steps of thermally decomposing a halogenated hydrocarbon compound to obtain a thermal decomposate of the halogenated hydrocarbon, and depositing the thermal decomposate on a sur... | 06/18/1991 |
| 5021072 | Method for making a carbon-coated and polymer-coated optical fiber A process for manufacturing an optical fiber includes the steps of heating and drawing material from a hot optical fiber preform; depositing a conductive coating (especially carbon) on the moving optical fiber; putting a heat curable liquid material on th... | 06/04/1991 |
| 5013130 | Method of making a carbon coated optical fiber A process for manufacturing an optical fiber includes the steps of heating and drawing material from a hot optical fiber preform; exposing the hot optical fiber to a compound containing carbon for depositing a carbon coating on the moving optical fiber; m... | 05/07/1991 |
| 4957526 | Optical fiber coating control process In accordance with the invention, the functions of two TV cameras in the prior art for monitoring polymer coating concentricity and/or carbon coating thickness are accomplished by a single TV camera (48). Rather than being projected onto an opaque dispers... | 09/18/1990 |
| 4952226 | Lightguide coating control A laser (20) directs a laser beam at an optical fiber (12) and the resulting forward-scattered light is detected by a detector (21). The energy of the foward-scattered laser light is monotonically inversely proportional to the thickness of a carbon coatin... | 08/28/1990 |
| 4936889 | Apparatus for the manufacture of optical fibre preforms In apparatus for carrying out a method of manufacturing optical fibre preforms by causing a chemical reaction to take place in a gaseous reaction mixture so as to form a coating on a glass substrate wherein the reaction is promoted by the production of a ... | 06/26/1990 |
