Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 7891215 | Thermally stable IR-transmitting chalcogenide glass A thermally stable chalcogenide glass, a process for making the same, and an optical fiber drawn therefrom are provided. A chalcogenide glass having the composition Ge(5−y)As(32−x)Se(59+x)Te(4+y) (0≦y≦1 and 0≦xâ‰... | 02/22/2011 |
| 7418835 | Low loss chalcogenide glass and process for making same using arsenic monochalcogenide This invention pertains to a chalcogenide glass of low optical loss that can be on the order of 30 dB/km or lower, and to a process for preparing the chalcogenide glass. The process includes the steps of optionally preparing arsenic monochalcogenide precursor or the... | 09/02/2008 |
| 7327928 | Gas filled hollow core chalcogenide photonic bandgap fiber Raman device and method A hollow core photonic bandgap chalcogenide glass fiber includes a hollow core for passing light therethrough, a Raman active gas disposed in said core, a microstructured region disposed around said core, and a solid region disposed around said microstructured regio... | 02/05/2008 |
| 7309405 | Method of forming ITO film Disclosed is a method of forming an ITO film by optimized sequential sputter deposition of seed and bulk layers having different sputter process conditions, which is applicable to various display devices, and more particularly, to an organic light-emitting device ne... | 12/18/2007 |
| 7295734 | Optoelectronic fiber codrawn from conducting, semiconducting, and insulating materials The invention provides techniques for drawing fibers that include conducting, semiconducting, and insulating materials in intimate contact and prescribed geometries. The resulting fiber exhibits engineered electrical and optical functionalities along extended fiber ... | 11/13/2007 |
| 7283712 | Gas filled hollow core chalcogenide photonic bandgap fiber Raman device and method This invention pertains to a glass fiber, a Raman device and a method. The fiber is a hollow core photonic bandgap chalcogenide glass fiber that includes a hollow core for passing light therethrough, a Raman active gas disposed in said core, a microstructured region... | 10/16/2007 |
| 7233726 | Compact phase-conjugate mirror and other optic devices A phase-conjugate mirror has a length of hollow core photonic crystal multi-spatial mode, polarization-maintaining fiber disposed in a vessel, with a compressible and preferably gaseous medium, such as Xe or CH4, occupying the hollow core of the of hollow core photo... | 06/19/2007 |
| 7197899 | Multi heating zone apparatus and process for making core/clad glass fibers A process includes the steps of disposing a solid core glass rod at a point removed from hot temperature that can cause crystallization in the core glass rod, disposing a solid clad glass rod at a point removed from the core glass rod; softening to the flowing condi... | 04/03/2007 |
| 7171827 | System and method for automated casting of infrared glass optical components In accordance with the present invention, a system and method for the automated casting of infrared glass optical components is provided. The system includes a mold for casting infrared glass into lenses, a mold chamber operable to heat the mold to a temperature abo... | 02/06/2007 |
| 7159420 | System and method for forming infrared glass optical components A system and method for forming infrared glass optical components are provided. The system includes first and second mold halves having first and second respective faces. The first and second mold halves are configured to be removably coupled such that the first fac... | 01/09/2007 |
| 7159419 | System and method for vapor pressure controlled growth of infrared chalcogenide glasses A system and method for preparing chalcogenide glass are provided that allow for larger quantities of glass to be produced with lower production costs and less risks of environmental hazards. The system includes a reaction container operable to hold chalcogenide gla... | 01/09/2007 |
| 7079738 | Method for manufacturing a glass doped with a rare earth element and fiber for optical amplification using the same An optical fiber for optical amplification, characterized in that a full width at half maximum of gain spectrum is 45 nm or more; and a maximum value of power conversion efficiency is 80% or more. A method for producing a rare earth element-doped glass for use in ma... | 07/18/2006 |
| 6834516 | Manufacture of optical fiber preforms using modified VAD Dynamically controlling the reaction temperature at the tip of a soot preform by controlling the flow of hydrogen gas to the core torch provides a wide latitude of control over the temperature range necessary to produce uniform composition of the preform. ... | 12/28/2004 |
| 6668588 | Method for molding chalcogenide glass lenses A method for molding a chalcogenide glass lens includes providing a mold. A preformed lens of chalcogenide glass is placed within the mold. The lens has a top surface and a bottom surface. An amount of chalcogenide glass is deposited within the mold and o... | 12/30/2003 |
| 6634189 | Glass reaction via liquid encapsulation A method of making chalcogenide glass which utilizes liquid encapsulation to prevent the evaporation loss of low boiling point or high vapor pressure glass components while the glass melt is being processed.... | 10/21/2003 |
| 6604388 | Solid state glass constituent delivery system A method and apparatus are disclosed for the manufacture of an optical fiber preform having incorporated therein a comparatively high concentration of rare earth dopant material, and which thus can be drawn and processed into an optical fiber having low n... | 08/12/2003 |
| 6564587 | Method of producing an optical fiber by gathering material from a molten bath A starting material for producing optical fibers contains metal halides. The refractive index of the optical fiber formed from the starting marterial is predeterminable by adjusting a composite of the molten bath. The starting material is produced by mixi... | 05/20/2003 |
| 6510710 | Multi-tube delivery system A method and apparatus are disclosed for the manufacture of an optical fiber preform having incorporated therein a comparatively high concentration of rare earth dopant material, and which thus can be drawn and processed into an optical fiber having low n... | 01/28/2003 |
| 6490889 | Method of forming a glass preform A method and apparatus are disclosed for the manufacture of an optical fiber preform having incorporated therein a comparatively high concentration of rare earth dopant material, and which thus can be drawn and processed into an optical fiber having low n... | 12/10/2002 |
| 6405565 | Chalcogenide glass tubing fabrication An apparatus and process for fabricating tubing used in the making of chalcogenide fibers. The apparatus features a three-sectioned melt/spin ampoule that allows for fabricating the chalcogenide tubing without introducing impurities and contaminants, in a... | 06/18/2002 |
| 6192713 | Apparatus for the manufacture of glass preforms A method and apparatus is disclosed for the manufacture of an optical fiber preform having incorporated therein a comparatively high concentration of rare earth dopant material, and which thus can be drawn and processed into an optical fiber having low nu... | 02/27/2001 |
| 6178281 | Method for the manufacture of optical components, and optical component A method for the manufacture of optical components, at least one three-dimensional optical waveguide structure being produced in a light-sensitive substrate by locally subjecting the substrate to an exposure so that a difference in refractive index betwee... | 01/23/2001 |
| 6154593 | Optical device and formation of optical waveguide using light-induced effect on refractive index A glass 1 is irradiated with a focused pulsed laser beam 2 having a peak power density of 105 W/cm2 or more and a repetition rate of 10 KHz or more. The glass 1 irradiated with the laser beam 2 changes its refractive index at the foc... | 11/28/2000 |
| 6053012 | Method for manufacturing glass preform and glass fiber A method for manufacturing a glass preform from a metal sulfide chalcogenide glass to which a large amount of light emitting substances can be added includes steps of etching a surface made of the chalcogenide glass or oxychalcogenide glass of disc shape ... | 04/25/2000 |
| 5978538 | Optical device and formation of optical waveguide using light-induced effect on refractive index A glass is irradiated with a focused pulsed laser beam having a peak power density of 105 W/cm2 or more and a repetition rate of 10 KHz or more. The glass irradiated with the laser beam changes its refractive index at the focal point... | 11/02/1999 |
| 5958103 | Process for producing preform for glass fiber and process for producing glass fiber A process for producing a preform for a chalcogenide glass fiber which comprises inserting a cladding tube having contained therein a chalcogenide glass rod for core into a quartz tube having at its bottom a nozzle having an aperture smaller than the oute... | 09/28/1999 |
| 5949935 | Infrared optical fiber coupler An infrared fiber optic coupler and a method for making an infrared fiber optic coupler are disclosed. The method comprises the steps of: braiding first and second infrared transmitting glass fibers to form first and second arms of the infrared fiber opti... | 09/07/1999 |
| 5917108 | Drawing a chalcogenide glass fiber in a sulfur atmosphere A method for manufacturing a glass fiber includes a process of drawing a starting glass material partially or entirely made of chalcogenide glass or oxychalcogenide glass, such as preform rod, rod-in-tube, or jacketing tube, into a glass fiber in an atmos... | 06/29/1999 |
| 5900036 | Multi-cylinder apparatus for making optical fibers, process and product A vertically disposed apparatus used to make core-clad optical fibers inces an inner elongated cylinder removably closed at the top and provided at the bottom with an inner exit port of a smaller diameter than the inner cylinder and an outer cylinder, di... | 05/04/1999 |
| 5846889 | Infrared transparent selenide glasses A selenide glass with improved mechanical and optical properties such as ended transmission in the infrared region of radiation having wavelengths beyond 15 microns; Tg in the region of 363°-394° C.; and thermal stability of 85°-145° C. based on the ... | 12/08/1998 |
| 5827346 | Method of making core holes in cast optical fiber preforms by drawing a wire therethrough during solidification A method of making core holes in cast cladding glass for fabricating optical fiber preforms to make single and multimode optical fibers. Liquid cladding glass is pored into a casting mold having a metallic wire that is translated through the liquid glass ... | 10/27/1998 |
| 5779757 | Process for removing hydrogen and carbon impurities from glasses by adding a tellurium halide Hydrogen and/or carbon impurities are removed from chalcogenide or chalcoide glasses by the addition of a halide, such as TeCl4, to the batch composition. During melting of the batch composition, the metal halide reacts with the hydrogen and/o... | 07/14/1998 |
| 5776222 | Method of eliminating light scattering bubbles in optical fiber preforms A method of fabricating optical preforms that yield optical fibers having minimal scattering centers by substantially eliminating bubbles and crystallites that form during preform fabrication. The method utilizes glasses having low viscosity in their liqu... | 07/07/1998 |
| 5735927 | Method for producing core/clad glass optical fiber preforms using hot isostatic pressing Core/clad glass optical fiber preforms free of bubbles and soot at the coclad interface are fabricated by inserting a glass core rod into a cladding glass tube sized so that space remains between them, sealing the top and bottom of the tube onto the core... | 04/07/1998 |
| 5688553 | Polyimide coated heavy metal fluoride glass fiber and method of manufacture A method of making a polyimide coated heavy metal fluorinated fiber includes the steps of drawing an optical fiber through a low-temperature curing polyimide solution to form a polyimide coating which cures in a range of about 200° and 390° C. A low cur... | 11/18/1997 |
| 5651083 | Core insertion method and apparatus for making optical fiber preforms and optical fibers fabricated therefrom A method and apparatus are provided for forming a glass preform which can be directly drawn into a single or multi-mode optical fiber. Single or multi-mode fibers drawn from the preforms described herein have high quality core-clad interfaces since the co... | 07/22/1997 |
| 5642454 | Method and apparatus for making optical fiber preforms and optical fibers fabricated therefrom A method and apparatus are provided for drawing a self-aligned core fiber free of surface contamination and inserting the core fiber into a cladding material to make an optical fiber preform. Single or multi-mode optical fibers having high quality core-cl... | 06/24/1997 |
| 5609665 | Method of making optical fiber with low melting glass core The disclosed method of making a mixed glass optical fiber exemplarily comprises providing a high-silica tube, and causing molten non-high silica glass to flow into the bore of the tube by application of a pressure differential. In order to prevent cracki... | 03/11/1997 |
| 5573571 | Method for making optical fiber preforms and optical fibers fabricated therefrom A method and apparatus are provided for drawing a self-aligned core fiber free of surface contamination and inserting the core fiber into a cladding material to make an optical fiber preform. Single or multi-mode optical fibers having high quality core-cl... | 11/12/1996 |
| 5567219 | Polyimide coated heavy metal fluoride glass fiber and method of manufacture A method of making a polyimide coated heavy metal fluorinated fiber includes the steps of drawing an optical fiber through a low-temperature curing polyimide solution to form a polyimide coating which cures in a range of about 200° and 390° C. A low cur... | 10/22/1996 |
