Patent application number | Description | Published |
20090295644 | ANTENNAS BASED ON A CONDUCTIVE POLYMER COMPOSITE AND METHODS FOR PRODUCTION THEREOF - The present disclosure describes antennas based on a conductive polymer composite as replacements for metallic antennas. The antennas include a non-conductive support structure and a conductive composite layer deposited on the non-conductive support structure. The conductive composite includes a plurality of carbon nanotubes and a polymer. Each of the plurality of carbon nanotubes is in contact with at least one other of the plurality of carbon nanotubes. The conductive composite layer is operable to receive at least one electromagnetic signal. Other various embodiments of the antennas include a hybrid antenna structure wherein a metallic antenna underbody replaces the non-conductive support structure. In the hybrid antennas, the conductive composite layer acts as an amplifier for the metallic antenna underbody. Methods for producing the antennas and hybrid antennas are also disclosed. Radios, cellular telephones and wireless network cards including the antennas and hybrid antennas are also described. | 12-03-2009 |
20100018579 | FIBER PHOTOVOLTAIC DEVICES AND METHODS FOR PRODUCTION THEREOF - In various embodiments, fiber photovoltaic devices are described in the present disclosure. The fiber photovoltaic devices include an optical filament, a first electrode coating the optical filament, a continuous semiconductive layer deposited above the first electrode layer, and a second electrode layer deposited above the continuous semiconductive layer. The first electrode layer is at least partially transparent to electromagnetic radiation. The continuous semiconductive layer is in electrical contact with the first electrode layer. The continuous semiconductive layer absorbs electromagnetic radiation and turns the electromagnetic radiation into an electrical signal. The continuous semiconductive layer includes at least two semiconductive materials that are substantially unmixed and are located in separate regions along the longitudinal axis of the fiber photovoltaic device. The second electrode layer is in electrical contact with the continuous semiconductive layer. In various embodiments, photovoltaic collectors including a plurality of the fiber photovoltaic devices are described. In various embodiments, methods for production of fiber photovoltaic devices by a dip coating technique are described. | 01-28-2010 |
20100160521 | COMPOSITES COMPRISING BIOLOGICALLY-SYNTHESIZED NANOMATERIALS - The present disclosure describes composite materials containing a polymer material and a nanoscale material dispersed in the polymer material. The nanoscale materials may be biologically synthesized, such as tellurium nanorods synthesized by | 06-24-2010 |
20100258189 | WRAPPED SOLAR CEL - A photovoltaic device comprising a photovoltaic cell and at least one layer, the photovoltaic ceil and at least one layer wrapped from the inside out to form the photovoltaic device having a vertical geometry is provided. The photovoltaic device can be a variety of shapes. These shapes include a cylinder, square, oval, rope, ribbon, oblong and rectangular. Generally, the photovoltaic cell has at least on semiconductor, a hirfi work-function electrode and a low work-function electrode. | 10-14-2010 |
20100313944 | WRAPPED OPTOELECTRONIC DEVICES AND METHODS FOR MAKING SAME - In various embodiments, optoelectronic devices are described herein. The optoelectronic device may include an optoelectronic cell arranged so as to wrap around a central axis wherein the cell includes a first conductive layer, a semi-conductive layer disposed over and in electrical communication with the first conductive layer, and a second conductive layer disposed over and in electrical communication with the semi-conductive layer. In various embodiments, methods for making optoelectronic devices are described herein. The methods may include forming an optoelectronic cell while flat and wrapping the optoelectronic cell around a central axis. The optoelectronic devices may be photovoltaic devices. Alternatively, the optoelectronic devices may be organic light emitting diodes. | 12-16-2010 |
20130337226 | SELF-CLEANING COATINGS AND METHODS FOR MAKING SAME - A method of forming a self-cleaning coating on a substrate comprises the step of selecting a substrate, cleaning the substrate, and/or roughening the substrate using an abrasive. In an embodiment, roughening of the substrate create microscopic tortuous grooves. Another embodiment of the method comprises coating the roughened surface with at least one hydrophobic chemical agent. In an exemplary embodiment, the hydrophobic chemical agent covalently binds with the substrate creating nanoscopic grooves. Another embodiment of the present disclosure pertains to an apparatus for depositing a self-cleaning coating on a flat substrate. A further embodiment of the present disclosure pertains to a self-cleaning coating on a substrate comprising a hydrophobic chemical agent covalently bonded to at least one roughened surface of the substrate. | 12-19-2013 |
20140342098 | Waterproof Coating with Nanoscopic/Microscopic Features and Methods of Making Same - A process of fabricating the waterproof coating may include selecting a substrate, utilizing a sol-gel comprising a silane or silane derivative and metal oxide precursor to coat the substrate, and optionally coating the substrate with a hydrophobic chemical agent and/or other chemical agents to create a surface with nanoscopic or microscopic features. The process may utilize an all solution process or controlled environment for fabricating self-cleaning and waterproof coating that prevent wetting or staining of a substrate, or may utilize a controlled environment. | 11-20-2014 |
20150064340 | FIXED AND PORTABLE COATING APPARATUSES AND METHODS - A system and method for depositing a coating may comprise a coating chemical reactor, surface activation component, and a deposition component. A target surface may be prepared for deposition with the surface activation component. The coating chemical reactor may comprise a coating chemical dispenser and a coating chemical verifier that prepares the coating chemical for deposition. The coating chemical verifier may utilize an optical excitation source and at least one optical detector, wherein chemical substances are identified by unique signatures composed of binary code. The coating chemical may be received by the deposition component to depositing the coating chemical on the target surface. | 03-05-2015 |