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| Number | Title | Issue Date |
| 7226878 | Advanced body armor utilizing shear thickening fluids An armor composite material has been invented which contains a ballistic fabric which has been impregnated with shear thickening fluid. This invention offers a ballistic resistant material that is more flexible and less bulky than comparable, conventional ballistic ... | 06/05/2007 |
| 7170096 | Antimonide-based optical devices An optical device includes an antimonide-containing substrate, and an antimonide-containing n-doped layer provided on the substrate. The optical device further includes an antimonide-containing i-doped layer provided on the n-doped layer, an antimonide-containing p-... | 01/30/2007 |
| 6928047 | Precoded OFDM systems robust to spectral null channels and vector OFDM systems with reduced cyclic prefix length A precoded orthogonal frequency division multiplexer (OFDM) system that improves the preformance of OFDM systems for spectral null channels, and size K×1 vector OFDM systems that reduce the cyclic prefix length by K times compared to conventional OFDM systems. The ... | 08/09/2005 |
| 6900261 | Sheet molding compound resins from plant oils This invention is directed to the preparation of a molded compound. The molded compound is made by the process which contains the steps of (1) mixing a. an unsaturated polymer resin which has been synth... | 05/31/2005 |
| 6891993 | Multi-channel wavelength division multiplexing using photonic crystals Described herein is a multi-channel wavelength division multiplexing (WDM) device including a two-dimensional photonic crystal. The photonic crystal consists of two primary components: (1) a waveguiding element created by line defects formed in the photonic crystal,... | 05/10/2005 |
| 6888536 | Method and apparatus for integrating manual input Apparatus and methods are disclosed for simultaneously tracking multiple finger and palm contacts as hands approach, touch, and slide across a proximity-sensing. compliant, and flexible multi-touch surface. The surface consists of compressible cushion, dielectric, e... | 05/03/2005 |
| 6832033 | Hetero-structure photonic bandgap materials A two-dimensional, hetero-structure photonic crystal includes a first rectangular lattice array of dielectric rods provided on a portion of an air background, and a second rectangular lattice array of dielectric rods provided on another portion of the air background... | 12/14/2004 |
| 6815671 | System and method for chemical analysis using laser ablation A system and method for chemically analyzing single particles in a high velocity gas flow. The system comprises an ion source chamber having a gas inlet and outlet, and a high-energy, pulsed, ultraviolet laser for ablating the single particles in the high velocity g... | 11/09/2004 |
| 6798537 | Digital color halftoning with generalized error diffusion vector green-noise masks Disclosed are two novel techniques for digital color halftoning with green-noise stochastic dither patterns generated by homogeneously distributing minority pixel clusters. The first technique employs error diffusion with output-dependent feedback such that the over... | 09/28/2004 |
| 6719147 | Supported mesoporous carbon ultrafiltration membrane and process for making the same A novel supported mesoporous carbon ultrafiltration membrane and process for producing the same. The membranes comprise a mesoporous carbon layer that exists both within and external to the porous support. A liquid polymer precursor composition comprising both carbo... | 04/13/2004 |
| 6646033 | Pressure sensitive adhesives from plant oils A Pressure Sensitive Adhesive composition having low volatile organics content and low odor that is suitable for forming pressure sensitive adhesives containing an aqueous dispersion containing a blended mixture of: (a) a polymer obtained by the polym... | 11/11/2003 |
| 6414457 | Autonomous rolling robot An autonomous rolling robot is in the form of a hollow sphere containing at least two sets of rotors. Each set of rotors includes a rotor mounted on a shaft which is driven by a motor. All of the shafts are radially mounted within the hollow sphere so tha... | 07/02/2002 |
| 6379390 | Stemless hip prosthesis A stemless hip prosthesis uses one or more cables which wrap around the prosthesis and the femur to mount the prosthesis in place thereby avoiding the need to provide the prosthesis with a stem located in the medullary canal.... | 04/30/2002 |
| 6297538 | Metal-insulator-semiconductor field effect transistor having an oxidized aluminum nitride gate insulator formed on a gallium nitride or silicon substrate A method for making a metal-insulator-semiconductor field effect transistor (MISFET) having an oxidized aluminum nitride gate insulator formed on a silicon or gallium nitride or other substrate. The method of making the MISFET comprises the steps of depos... | 10/02/2001 |
| 6165962 | Aqueous microemulsions A microemulsion comprising: a functionalized hydrocarbon, an anionic surfactant, a diol having from 2 to 10 carbon atoms and water.... | 12/26/2000 |
| 5777390 | Transparent and opaque metal-semiconductor-metal photodetectors An improved metal-semiconductor-metal (MSM) photodiode, specifically a new high responsivity AND high bandwidth photodetector, resulting in a high gain-bandwidth product is disclosed. The disclosed device is an MSM photodiode in which the anode and cathod... | 07/07/1998 |
| 5643390 | Bonding techniques for high performance thermoplastic compositions This invention is a new process to promote adhesion between thermoplastic polymers and thermosetting resin adhesives. This is accomplished by selecting a third "interlayer" polymer which is compatible with both the thermoplastic and thermoset polymers. Th... | 07/01/1997 |
| 5565677 | Aerodynamic nozzle for aerosol particle beam formation into a vacuum An aerodynamic nozzle for aerosol particle beam formation into a vacuum comprises a tubular column having a first stage section with a plurality of spaced aerodynamic lenses therein so that an aerosol entering the inlet end of the first stage section is f... | 10/15/1996 |
| 5475144 | Catalyst and process for synthesis of ketenes from carboxylic acids This invention relates to a process of manufacturing ketenes, more particularly, a process for manufacturing ketenes by gas phase dehydration of carboxylic acids. The catalyst used in this process consists of a high surface area silica of at least 100 m | 12/12/1995 |
| 5354893 | CMS/SiO2 /Al2 O3 catalysts for improved selectivity in the synthesis of amines from methanol and/or dimethyl ether and ammonia The present invention relates to an improved catalyst for the selective synthesis of monomethylamine (MMA) and dimethylamine (DMA) at the expense of trimethylamine (TMA) for a starting feed of methanol and/or dimethyl ether and ammonia. The current indust... | 10/11/1994 |
| 5340408 | Inverse delta-doping for improved open circuit voltage of solar cells or photo diodes A solar cell or photo diode has an n-type semiconductor layer and a p-type semiconductor layer which form a pn-junction at the metallurgical interface of the layers. A thin sheet of undoped semiconductor is located at the interface or the lower doped laye... | 08/23/1994 |
| 5023063 | Acid rain abatement The process of this invention will remove from acid rain essentially all of both the sulfur oxides (SOX) and nitrogen oxides (NOX) by catalytically reducing the NOX to water and elemental nitrogen and the SOX to either H2 S or elemental sulfur ... | 06/11/1991 |
| 5015503 | Apparatus for producing compound semiconductor thin films An apparatus for producing compound semiconductor thin films on substrates includes a reaction chamber wherein one or more constituents of semiconductor thin film is supplied as a gaseous species in a closed loop system. The apparatus includes hot and col... | 05/14/1991 |
| 5013219 | Positive displacement piston pump A high pressure, positive displacement piston pump for pumping a corrosive fluid is disclosed. The pump includes a pump body having a plurality of cylinders therein, each provided with an inlet and an outlet. A suitable one-way valve device is disposed in... | 05/07/1991 |
| 4948960 | Dual mode light emitting diode/detector diode for optical fiber transmission lines This invention relates to a double heterostructure diode and photodiode which is selectively switchable between an emission mode and receiving mode. A light emitting active region is localized and restricted by limitation of the area of contact to a windo... | 08/14/1990 |
| 4876210 | Solution growth of lattice mismatched and solubility mismatched heterostructures The effects of excessive lattice mismatch in solution grown heterostructures are reduced by incorporating a lattice graded interface layer between the substrate and the heteroepitaxial layer. The effects of lattice mismatch are also reduced by reducing th... | 10/24/1989 |
| 4709466 | Process for fabricating thin film photovoltaic solar cells Thin film photovoltaic solar cells are made by forming the cell structure from a number of layers including the contact layers and semiconductor layers. At least one of the semiconductor layers is a tellurium containing II-VI compound. After the structure... | 12/01/1987 |
| 4654226 | Apparatus and method for photochemical vapor deposition A photochemical vapor deposition apparatus includes a reactor housing having a window in one wall above a reaction chamber in the housing. A transparent curtain divides the reaction chamber into a reaction zone and a flush zone. At least one substrate is ... | 03/31/1987 |
| 4640002 | Method and apparatus for increasing the durability and yield of thin film photovoltaic devices Thin film photovoltaic cells having a pair of semiconductor layers between an opaque and a transparent electrical contact are manufactured in a method which includes the step of scanning one of the semiconductor layers to determine the location of any pos... | 02/03/1987 |
| 4477688 | Photovoltaic cells employing zinc phosphide A photovoltaic cell having a zinc phosphide absorber. The zinc phosphide can be a single or multiple crystal slice or a thin polycrystalline film. The cell can be a Schottky barrier, heterojunction or homojunction device. Methods for synthesizing and crys... | 10/16/1984 |
| 4443653 | Thin film photovoltaic device with multilayer substrate A thin film photovoltaic device which utilizes at least one compound semiconductor layer chosen from Groups IIB and VA of the Periodic Table is formed on a multilayer substrate The substrate includes a lowermost support layer on which all of the other lay... | 04/17/1984 |
| 4401052 | Apparatus for continuous deposition by vacuum evaporation An apparatus to deposit material on a substrate, such as in the making of thin solar cells, consists of two chambers. A manifold chamber having a plurality of spaces nozzles assures efficient and uniform deposition on a substrate. The rate of depositions ... | 08/30/1983 |
| 4377723 | High efficiency thin-film multiple-gap photovoltaic device A photovoltaic device includes at least two solar cells made from Group IV elements or their alloys in the amorphous state mounted on a substrate. The outermost or first cell has a larger bandgap than the second cell. Various techniques are utilized to im... | 03/22/1983 |
| 4342879 | Thin film photovoltaic device A thin film photovoltaic solar cell which utilizes a zinc phosphide semiconductor is of the homojunction type comprising an n-type conductivity region forming an electrical junction with a p-type region, both regions consisting essentially of the same sem... | 08/03/1982 |
| 4328390 | Thin film photovoltaic cell A thin film photovoltaic cell having a transparent electrical contact and an opaque electrical contact with a pair of semiconductors therebetween includes utilizing one of the electrical contacts as a substrate and wherein the inner surface thereof is mod... | 05/04/1982 |
| 4318938 | Method for the continuous manufacture of thin film solar cells A technique for manufacturing durable, reliable solar cells by a continuous process suitable for large-scale manufacture involves, in substance, providing a reel of thin metal foil substrate and forming on the substrate a series of layers operative to for... | 03/09/1982 |
| 4251287 | Amorphous semiconductor solar cell A solar cell comprising a back electrical contact, amorphous silicon semiconductor base and junction layers and a top electrical contact includes in its manufacture the step of heat treating the physical junction between the base layer and junction layer ... | 02/17/1981 |
| 4251286 | Thin film photovoltaic cells having blocking layers Electrical path failures in thin film photovoltaic cells are avoided by disposing at least one blocking layer in the cell to prevent undesired electrical contact which might otherwise occur between the transparent and opaque electrical contacts as well as... | 02/17/1981 |
| 4059457 | Chitin solution Solutions of chitin in dimethylacetamide, N-methylpyrrolidone or mixtures of these in combination with a minor proportion of lithium chloride.... | 11/22/1977 |
| 4034736 | Solar heating method and apparatus A solar air heater is vertically disposed and composed of a plurality of parallel, horizontally disposed slats resembling a venetian blind. The slats are positioned with their upper faces facing the sun and at an acute angle relative to the horizontal suc... | 07/12/1977 |
