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| Number | Title | Issue Date |
| 6128429 | Low phonon energy glass and fiber doped with a rare earth Disclosed herein is a low phonon energy glass and a fiber made therefrom. e glass includes the following components given in mol percent: ______________________________________ germanium 0.1-30 arsenic 0-40 X ... | 10/03/2000 |
| 5972714 | Atmospheric ozone concentration detector An ozone detector in the form of two basic embodiments which can measure ozone concentration in ambient air at 0.001-1 ppm. The first embodiment includes a stretched elastic material and a standard which can give ozone concentration in response to degree ... | 10/26/1999 |
| 5973824 | Amplification by means of dysprosium doped low phonon energy glass waveguides Disclosed herein is an amplification method, an optical glass amplifier, a laser based on the amplifier and an amplification optical communication system, all based on a limited length of a single-mode glass fiber made from glass having phonon energy of l... | 10/26/1999 |
| 5961661 | Ceramic structure with backfilled channels Ceramic structure having therein reinforcing fibers and backfilled strands s prepared by the arranging tows of fugitive and reinforcing fibers parallel to each other to form a fiber preform, contacting the preform with a matrix precursor whereby the precur... | 10/05/1999 |
| 5938999 | Wet-spinning fiber process providing controlled morphology of the wet-spun fiber A wet-spinning fiber process which controls the micro-structure of the wepun fiber by varying the non-solvent/solvent miscibility and precipitation strength.... | 08/17/1999 |
| 5916510 | Channeled ceramic structure and process for making same Ceramic structure having porosity of 10-80% is characterized by a solid cmic matrix having therein elongated and parallel channels, the structure is made by a process that includes the steps of: (a) arranging tows of elongated fibers parallel to each other to... | 06/29/1999 |
| 5902396 | Ammonothermal growth of chalcogenide single crystal materials Single crystals of binary and ternary compounds of alkaline earth and a chalcogen, with or without a transition element, are grown by: charging a reaction vessel with an alkaline earth chalcogenide, with or without a transition element or a halide thereof... | 05/11/1999 |
| 5891575 | Growing and releasing diamonds A process for making diamond and diamond products includes the steps of implanting ions in a diamond substrate to form a damaged layer of non-diamond carbon below the top surface of the substrate, heating the substrate to about 600-1200° C., growing diam... | 04/06/1999 |
| 5873262 | Desalination through methane hydrate In one embodiment, this invention pertains to desalination of seawater by eding methane into seawater at a depth exceeding 100 meters to form methane hydrate which rises to where it is decomposed into methane and water, and recovering water. Methane is re... | 02/23/1999 |
| 5874126 | Making aggregates and articles made therefrom The process for making a porous mass containing dense aggregates or granu includes the steps of mixing powder with more than 10% by weight of a binder to form agglomerated powder, heating the agglomerated powder to remove the binder and to grow crystalli... | 02/23/1999 |
| 5805326 | Optical limiter structure and method An optical limiter structure which includes a limiter material preferably dissolved in a host. The limiter material is selected from substituted and unsubstituted phthalocyanines, naphthalocyanines, porphyrins, salts of these materials and mixtures thereo... | 09/08/1998 |
| 5804321 | Diamond brazed to a metal A unitary article that is solid at a temperature in excess of about 1100.ree. C. which includes a diamond, a metal, and a brazing material brazing the diamond and the metal. The brazing material includes a metal carbide adhering to the diamond and a plat... | 09/08/1998 |
| 5800934 | Zinc oxide stabilized zirconia Zinc oxide stabilized zirconia containing zirconia in cubic phase is prepd by evaporating zirconia and zinc oxide and depositing zirconia and zinc oxide on an atomic scale on a substrate. The stabilized zirconia resists corrosion at high temperatures abo... | 09/01/1998 |
| 5708116 | Low dielectric constant allylics A reaction product of a liquid monomeric allyletherfluoroalkylene benzene d a liquid polymethylhydrosiloxane, which reaction product in a cured, solid state has dielectric constant below about 2.5.... | 01/13/1998 |
| 5702586 | Polishing diamond surface Process of smoothing or polishing a diamond surface to reduce asperities reon to a level as low as about 20 nm from the horizontal by implanting the diamond surface with ions to form a non-diamond carbon damage layer on or below the diamond surface below... | 12/30/1997 |
| 5629248 | Modified germanium sulfide glass A preferred embodiment of a sulfide glass with improved mechanical and optical properties such as extended transmission in the infrared region of radiation having wavelengths of up to about 15 microns, Tg in the range of 370°-550° C., and thermal stabil... | 05/13/1997 |
| 5599751 | Alkaline earth modified germanium sulfide glass A sulfide glass with improved mechanical and optical properties such as ended transmission in the infrared region of radiation having wavelengths of up to about 15 microns; Tg in the region of 410°-550° C.; and thermal stability of 100°-300° C. based... | 02/04/1997 |
| 5587210 | Growing and releasing diamonds A process for making diamond and diamond products includes the steps of ianting ions in a diamond substrate to form a damaged layer of non-diamond carbon below the top surface of the substrate, heating the substrate to about 600-1200° C. growing diamond... | 12/24/1996 |
| 5529841 | Hydrogen sulfide analyzer with protective barrier A field test kit for determining quantity of hydrogen sulfide in a liquid st sample. The test kit includes a test container with an opening for a liquid test sample containing hydrogen sulfide gas and a cap provided over the opening. The cap has colorimet... | 06/25/1996 |
| 5525538 | Method for intrinsically doped III-A and V-A compounds An amorphous compound is changed to single crystal structure by heating at an elevated temperature in an inert atmosphere or in an atmosphere of a forming gas, the amorphous compound is composed of at least one Group III-A element of the Periodic Table an... | 06/11/1996 |
| 5525800 | Selective multi-chemical fiber optic sensor A fiber optic sensor for detecting at least one chemical by evanescent wave spectroscopy comprises a generator of a light signal, a mirror for introducing the light signal into a fiber, a clad optical chalcogenide glass fiber, a mirror for directing the l... | 06/11/1996 |
| 5519278 | Actuators with graded activity A method for reducing and/or shifting stress in at least one outer end poon of an actuator made from a piezoelectric material. The actuator is affixed to a substrate by an adhesive bond and adapted to cycle between an expanded and contracted positions, w... | 05/21/1996 |
| 5502345 | Unitary transducer with variable resistivity An actuator including a unitary ceramic element capable of bending in resse to an applied voltage. The ceramic has a first region of lower resistivity in contact with a second region of higher resistivity. There is no seam where said regions contact each... | 03/26/1996 |
| 5486495 | Germanate glass ceramic A germanate glass ceramic article which has better thermal and physical perties than the competing materials of zinc sulfide, spinel, and sapphire is made by mixing germanate ceramic glass components; melting the components to form a molten mass; cooling... | 01/23/1996 |
| 5481189 | Electron tunneling magnetic field sensor with constant tunneling current maintained between tunneling tip and rotatable magnet The magnetic sensor of this invention is characterized by a magnet suspen on a torsion bar or wire and by a tunneling tip separated from one end of the magnet, a gap between the tip and the magnet that is small enough to support a tunneling current, an e... | 01/02/1996 |
| 5469369 | Smart sensor system and method using a surface acoustic wave vapor sensor array and pattern recognition for selective trace organic vapor detection A method and a system using that method are provided which employ a pattern ecognition algorithm to improve sensitivity in detecting hazardous vapors. The algorithm enables the discrimination of vapors of interest from non-hazardous substances at higher co... | 11/21/1995 |
| 5407740 | Ceramic composites with ceramic fibers A preferred composite which is useful at temperatures in excess of about 0° C. comprising a ceramic matrix and 40-60% on volume basis of coated and uncoated fibers embedded in the matrix generally parallel to each other and in a controlled arrangement; ... | 04/18/1995 |
| 5405906 | Nonlinear optical composites of metal cluster laden polymers Nonlinear optical composites with large third-order optical response compd of metal clusters uniformly dispersed in polymers are prepared by vapor deposition of a metal onto a cold support while simultaneously cocondensing a vapor of an organic material.... | 04/11/1995 |
| 5405677 | Fluorinated resins with low dielectric constant A highly fluorinated benzene compound is reacted with acryloyl chloride to ield a fluorinated liquid product which is used to impregnate a reinforcing structure. Upon impregnation, the liquid material is polymerized at about 55° C. to produce a reinforced... | 04/11/1995 |
| 5376859 | Transducers with improved signal transfer A transducer includes a rigid resin in the form of a solid block; a pluray of spaced and parallel piezoelectric rods of equal length disposed in the rigid resin and extending at one end thereof beyond the rigid resin; a solid soft resin enveloping the ro... | 12/27/1994 |
| 5366881 | Polymerizable lipids for preparing vesicles that controllably release an encapsulant The present invention provides novel polymerizable lipids and mixtures thof with non-polymerizable lipids and methods for the controlled release of encapsulated materials using stabilized or polymerized vesicles. Release is induced by pH, ions, temperatu... | 11/22/1994 |
| 5364434 | Plasma treatment of glass surfaces to remove carbon Glass free of surface carbon deposits, such as carbon film and/or carbon occlusions, and a process for removing such carbon deposits from glass. The process is characterized by the application of a plasma to glass to remove the carbon deposits. The plasma... | 11/15/1994 |
| 5336892 | Method and system for electron beam lithography Improvement of resolution in terms of reducing minimum feature sizes and ximity effects on bulk substrates in high voltage electron beam lithography as applied to manufacture of electronic circuits from coated semiconductors involves the use of a dielect... | 08/09/1994 |
| 5332681 | Method of making a semiconductor device by forming a nanochannel mask The present invention provides a method for depositing a pattern of deposd material on or within a substrate, comprising the steps of: interposing a glass mask between a source and a substrate, the mask having channels therethrough which are arranged in ... | 07/26/1994 |
| 5325011 | Transducers and method for making same Elongated electrically nonconducting transducer preforms are made from a ff resin. The preforms have grooves in their upper and lower surfaces. Transducer elements may be formed from stacked preforms whereby grooves in their upper and lower surfaces form... | 06/28/1994 |
| 5312585 | Corrosion inhibition in high temperature environment This invention pertains to the use of tin oxide as a corrosion resistant erial for preventing or inhibiting high temperature corrosion by molten sulfate-vanadate deposits and gaseous sulfur trioxide formed in engines or other high temperature apparatus w... | 05/17/1994 |
| 5310819 | Surface epoxidation of elastomers Surface epoxidized elastomeric articles containing unsaturation are obtai by immersing the articles in an epoxidizing solution for a time sufficient to epoxidize at least some surface unsaturation in the articles.... | 05/10/1994 |
| 5306661 | Method of making a semiconductor device using a nanochannel glass matrix The present invention provides a method of forming a semiconductor device mprising the steps of: forming a glass block of an acid inert glass having acid etchable glass rods extending therethrough, the acid etchable glass rods having an average diameter o... | 04/26/1994 |
| 5305414 | Low loss glass and optical fibers therefrom Optical fibers and glass composition comprising a mixture of barium oxide, gallium oxide, germanium oxide, and a modifying agent selected from lanthium oxide, indium oxide, and mixtures thereof; molar ratio of barium oxide to gallium oxide is from about 4... | 04/19/1994 |
| 5294240 | Method of forming waveguides with ion exchange of halogen ions This invention pertains to optical waveguides which includes waveguides of ll shapes and sizes, preforms, and optical fibers made from the preforms, and to a method for making waveguides devoid of a physical interface. The method includes preparation of a ... | 03/15/1994 |
