Patent application number | Description | Published |
20080282736 | Method and apparatus for minimizing inclusions in a glass making process - An apparatus for forming a glass sheet with reduced zircon inclusions in the glass sheet is disclosed. In one embodiment, the apparatus comprises heating elements distributed vertically between the weirs of a forming wedge and the root of the forming wedge, and wherein a thermal barrier is disposed between adjacent heating elements. A method of using the apparatus is also disclosed. | 11-20-2008 |
20080292862 | Method for producing anisoptropic bulk materials - A method is disclosed for manufacturing an anisotropic material comprising providing a viscoplastic material having a yield stress, and a plurality of magnetic particles disposed therein, and then subjecting the viscoplastic material to a magnetic field for a time sufficient to at least partially align at least a portion of the magnetic particles to at least one of a predetermined position or orientation. Also disclosed is an article having anisotropic properties comprising a viscoplastic material, and a plurality of magnetic particles distributed therein and at least partially aligned to a predetermined orientation. An article having anisotropic properties, comprising a fixed viscoplastic material, and a plurality of magnetic particles distributed and at least partially anisotropically aligned in the fixed viscoplastic material is disclosed. | 11-27-2008 |
20090100873 | METHOD OF MAKING A GLASS SHEET USING CONTROLLED COOLING - Methods of drawing glass sheet via a downdraw process are provided. In certain aspects, the methods utilize rapid cooling below the root ( | 04-23-2009 |
20090139269 | Fiber Cure with Extended Irradiators - A method for producing an optical fiber that includes a method for producing an optical fiber, said method comprising: (i) drawing a bare optical fiber from a preform along a first pathway at a rate of at least 10 m/sec; (ii) contacting said bare optical fiber with a region of fluid in a fluid bearing and redirecting said bare optical fiber along a second pathway as said bare optical fiber is drawn across said region of fluid cushion; (iii) coating the bare optical fiber; and (iv) irradiating said coated fiber in at least one irradiation zone to at least partially cure said coating, while subjecting the optical fiber to UV light. | 06-04-2009 |
20090139270 | Fiber air turn for low attenuation fiber - A method for forming an optical fiber includes drawing the optical fiber from a glass supply and treating the fiber by maintaining the optical fiber in a treatment zone wherein the fiber is cooled at a specified cooling rate. The optical fiber treatment reduces the tendency of the optical fiber to increase in attenuation due to Rayleigh scattering, and/or over time following formation of the optical fiber due to heat aging. Methods for producing optical fibers along nonlinear paths incorporating fluid bearings are also provided thereby allowing for increased vertical space for the fiber treatment zone. | 06-04-2009 |
20090158779 | Methods and Systems For Producing Optical Fibers - Methods for producing a coated optical fiber may include drawing an optical fiber from a draw furnace along a first pathway and redirecting the optical fiber along a second, different pathway which is non-parallel with the first pathway. The optical fiber may be coated as it travels along the second pathway. | 06-25-2009 |
20090217705 | Temperature control of glass fusion by electromagnetic radiation - Disclosed are systems and methods for forming glass sheets. Methods and systems are provided that comprise a refractory body configured to receive glass-based material and means for transmitting energy to selectively heat at least a portion of the refractory body through the glass-based material. In one aspect, the energy transmitted is of a selected frequency that is not fully absorbed by the glass-based material and is at least partially absorbed by the refractory body. The energy can be transmitted by a laser beam array, a scanning laser beam, a microwave generator, a radio frequency generator, or other means. | 09-03-2009 |
20090217710 | Methods for measuring the tension of optical fibers during manufacture - A non-contact method for measuring the tension applied to a drawn optical fiber includes drawing an optical fiber and displacing the optical fiber by applying a pressurized fluid to the optical fiber. The pressurized fluid may be applied to the optical fiber using a fluid bearing. The fluid bearing may include a fiber support channel. The optical fiber may be directed through the fiber support channel and is displaced relative to the fluid bearing by supplying the pressurized fluid to the fiber support channel. The displacement of the optical fiber caused by the application of the pressurized fluid to the optical fiber may then be measured. The tension applied to the optical fiber may then be determined based on the determined displacement. | 09-03-2009 |
20100126227 | ELECTROSTATICALLY DEPOSITING CONDUCTIVE FILMS DURING GLASS DRAW - Methods for coating a glass substrate as it is being drawn, for example, during fusion draw or during fiber draw are described. The coatings are conductive coatings which can also be transparent. The conductive thin film coated glass substrates can be used in, for example, display devices, solar cell applications and in many other rapidly growing industries and applications. | 05-27-2010 |
20100281922 | Methods for producing optical fibers - Methods for producing optical fibers along nonlinear paths include incorporating fluid bearings. An optical fiber is drawn from a preform along a first pathway, contacted with a region of fluid cushion of a fluid bearing, and redirected along a second pathway as the fiber is drawn across said region of fluid cushion. | 11-11-2010 |
20100316882 | NANOMATERIAL AND METHOD FOR GENERATING NANOMATERIAL - Nanomaterial and methods for generating nanomaterial are described wherein a reaction, for example, decomposition, for generating nanomaterial occurs utilizing a hot wall reactor. | 12-16-2010 |
20110052460 | APPARATUS FOR PARTICLE SYNTHESIS - The present invention relates generally to an apparatus for small particle and nanoparticle synthesis. A durable particle generator capable of high temperature particle synthesis is disclosed. The particle generator is configured as to minimize susceptor degradation associated with harsh reaction conditions. | 03-03-2011 |
20110132038 | Soot Pressing for Optical Fiber Overcladding - A method and an apparatus for making an optical fiber preform comprising the steps of (i) depositing a plurality of rods are deposited into an inner cavity of an apparatus; (ii) depositing particulate glass material in the inner cavity between the rods and the inner wall; and (iii) applying pressure against the particulate glass material to pressurize the particulate glass material against the plurality of rods. | 06-09-2011 |
20110211797 | Optical Fiber with Increased Mechanical Strength - An optical fiber having increased mechanical strength is provided. The optical fiber includes an over cladding layer that has a compressive stress of at least 100 MPa. | 09-01-2011 |
20110289979 | METHOD FOR PRODUCTING OPTICAL FIBER AT REDUCED PRESSURE - An optical fiber production system and method are provided for producing optical fiber. An optical fiber is drawn from a preform in a furnace and passes through a treatment device under a reduced pressure in the range of 0.01 to 0.80 atm. The treatment device cools the bare optical fiber as it cools to a temperature in the range of at least 1,600° C. to 1,300° C. A non-contact fiber centering device is located near an exit of the treatment device to provide centering of the optical fiber as it exits the treatment device. | 12-01-2011 |
20110289980 | METHOD FOR PRODUCING OPTICAL FIBER USING LINEAR NON-CONTACT FIBER CENTERING - An optical fiber production system and method are provided for producing optical fiber. An optical fiber is drawn from a preform in a furnace and passes through a treatment device under a controlled reduced pressure or partial vacuum in the range of 0.01 to 0.8 atm. The treatment device cools the bare optical fiber as it cools to a temperature range of at least 1,600° C. to 1,300° C. A non-contact fiber centering device is located near an exit of the treatment device to provide linear centering of the optical fiber as it exits the treatment device. | 12-01-2011 |
20120001368 | METHOD FOR PRODUCING ANISOPTROPIC BULK MATERIALS - A method is disclosed for manufacturing an anisotropic material comprising providing a viscoplastic material having a yield stress, and a plurality of magnetic particles disposed therein, and then subjecting the viscoplastic material to a magnetic field for a time sufficient to at least partially align at least a portion of the magnetic particles to at least one of a predetermined position or orientation. Also disclosed is an article having anisotropic properties comprising a viscoplastic material, and a plurality of magnetic particles distributed therein and at least partially aligned to a predetermined orientation. An article having anisotropic properties, comprising a fixed viscoplastic material, and a plurality of magnetic particles distributed and at least partially anisotropically aligned in the fixed viscoplastic material is disclosed. | 01-05-2012 |