Patent application number | Description | Published |
20080230849 | DEVICE COMPRISING DOPED NANO-COMPONENT AND METHOD OF FORMING THE DEVICE - A device comprising a doped semiconductor nano-component and a method of forming the device are disclosed. The nano-component is one of a nanotube, nanowire or a nanocrystal film, which may be doped by exposure to an organic amine-containing dopant. Illustrative examples are given for field effect transistors with channels comprising a lead selenide nanowire or nanocrystal film and methods of forming these devices. | 09-25-2008 |
20090053129 | EMBEDDED NANOPARTICLE FILMS AND METHOD FOR THEIR FORMATION IN SELECTIVE AREAS ON A SURFACE - The invention is directed to a method of positioning nanoparticles on a patterned substrate. The method comprises providing a patterned substrate with selectively positioned recesses, and applying a solution or suspension of nanoparticles to the patterned substrate to form a wetted substrate. A wiper member is dragged across the surface of the wetted substrate to remove a portion of the applied nanoparticles from the wetted substrate, and leaving a substantial number of the remaining portion of the applied nanoparticles disposed in the selectively positioned recesses of the substrate. The invention is also directed to a method of making carbon nanotubes from the positioned nanoparticles. | 02-26-2009 |
20090297778 | METHODS FOR FORMING IMPROVED SELF-ASSEMBLED PATTERNS OF BLOCK COPOLYMERS - A method for forming self-assembled patterns on a substrate surface is provided. First, a block copolymer layer, which comprises a block copolymer having two or more immiscible polymeric block components, is applied onto a substrate that comprises a substrate surface with a trench therein. The trench specifically includes at least one narrow region flanked by two wide regions, and wherein the trench has a width variation of more than 50%. Annealing is subsequently carried out to effectuate phase separation between the two or more immiscible polymeric block components in the block copolymer layer, thereby forming periodic patterns that are defined by repeating structural units. Specifically, the periodic patterns at the narrow region of the trench are aligned in a predetermined direction and are essentially free of defects. Block copolymer films formed by the above-described method as well as semiconductor structures comprising such block copolymer films are also described. | 12-03-2009 |
20100203295 | EMBEDDED NANOPARTICLE FILMS AND METHOD FOR THEIR FORMATION IN SELECTIVE AREAS ON A SURFACE - The invention is directed to a method of positioning nanoparticles on a patterned substrate. The method comprises providing a patterned substrate with selectively positioned recesses, and applying a solution or suspension of nanoparticles to the patterned substrate to form a wetted substrate. A wiper member is dragged across the surface of the wetted substrate to remove a portion of the applied nanoparticles from the wetted substrate, and leaving a substantial number of the remaining portion of the applied nanoparticles disposed in the selectively positioned recesses of the substrate. The invention is also directed to a method of making carbon nanotubes from the positioned nanoparticles. | 08-12-2010 |
20110240279 | HYBRID LIQUID METAL-SOLDER THERMAL INTERFACE - The present invention is hybrid liquid metal-solder thermal interface. In one embodiment, a thermal interface for coupling a heat generating device to a heat sink includes a first metal interface layer, a second metal interface layer, and an isolation layer positioned between the first metal interface layer and the second metal interface layer, where at least one of the first metal interface layer and the second metal interface layer comprises a liquid metal. | 10-06-2011 |
20120075734 | MIRROR ASSEMBLY - A mirror is provided and includes a first layer including reflective material and an adhesive backing, a second layer including one or more layers of a cloth or a non woven fiber matrix and polymer composite and a third layer including polystyrene foam spheres in a polymer matrix. | 03-29-2012 |
20120125433 | GRID-LINE-FREE CONTACT FOR A PHOTOVOLTAIC CELL - Electrical contact to the front side of a photovoltaic cell is provided by an array of conductive through-substrate vias, and optionally, an array of conductive blocks located on the front side of the photovoltaic cell. A dielectric liner provides electrical isolation of each conductive through-substrate via from the semiconductor material of the photovoltaic cell. A dielectric layer on the backside of the photovoltaic cell is patterned to cover a contiguous region including all of the conductive through-substrate vias, while exposing a portion of the backside of the photovoltaic cell. A conductive material layer is deposited on the back surface of the photovoltaic cell, and is patterned to form a first conductive wiring structure that electrically connects the conductive through-substrate vias and a second conductive wiring structure that provides electrical connection to the backside of the photovoltaic cell. | 05-24-2012 |
20120148474 | EMBEDDED NANOPARTICLE FILMS AND METHOD FOR THEIR FORMATION IN SELECTIVE AREAS ON A SURFACE - The invention is directed to a method of positioning nanoparticles on a patterned substrate. The method comprises providing a patterned substrate with selectively positioned recesses, and applying a solution or suspension of nanoparticles to the patterned substrate to form a wetted substrate. A wiper member is dragged across the surface of the wetted substrate to remove a portion of the applied nanoparticles from the wetted substrate, and leaving a substantial number of the remaining portion of the applied nanoparticles disposed in the selectively positioned recesses of the substrate. The invention is also directed to a method of making carbon nanotubes from the positioned nanoparticles. | 06-14-2012 |
20120186626 | SOLAR ENERGY COLLECTION SYSTEM - A solar energy collection system includes a reference member, a support member rotatably mounted relative to the reference member, and a drive system operatively coupled between the reference member and the support member. The drive system includes a linear actuator having a fixed portion operatively connected to the reference member and a strut portion that is selectivity extendable relative to the fixed portion. The strut portion includes an end section. A first connector member is operatively connected between the reference member and the end section of the strut portion, and a second connector member is operatively connected between the support member and the end section of the strut portion. Selective extension and retraction of the strut portion relative to the fixed portion selectively shifts the support member along a desired path. | 07-26-2012 |
20130011612 | EMBEDDED NANOPARTICLE FILMS AND METHOD FOR THEIR FORMATION IN SELECTIVE AREAS ON A SURFACE - The invention is directed to a method of positioning nanoparticles on a patterned substrate. The method comprises providing a patterned substrate with selectively positioned recesses, and applying a solution or suspension of nanoparticles to the patterned substrate to form a wetted substrate. A wiper member is dragged across the surface of the wetted substrate to remove a portion of the applied nanoparticles from the wetted substrate, and leaving a substantial number of the remaining portion of the applied nanoparticles disposed in the selectively positioned recesses of the substrate. The invention is also directed to a method of making carbon nanotubes from the positioned nanoparticles. | 01-10-2013 |
20130199594 | TRANSPORTABLE PHOTOVOLTAIC SYSTEM - A transportable photovoltaic system includes a plurality of photovoltaic devices, a composite frame to which the plurality of photovoltaic devices are affixed, and a base structure to which the composite frame is movably attached through at least one variable-angle mount structure. The orientation of the frame and the light concentrating elements relative to the base structure can be altered employing the at least one variable-angle mount structure. The frame and the plurality of photovoltaic devices can be assembled prior to shipping, and the base structure can be manufactured on site. The transportable photovoltaic system is not affixed to ground or other fixture, but can be picked up at any time during the operational lifetime. The transportable photovoltaic system can be rapidly deployed with little or no site preparation requirement other than generally level ground, and can be retracted to a lower exposure position to avoid storm and/or hazardous conditions. | 08-08-2013 |
20130199595 | SOLAR CONCENTRATOR COOLING BY VORTEX GAS CIRCULATION - A convective method is employed to cool a solar concentrator device. The convective method employs formation of a vortex gas circulation inside an enclosure of the solar concentrator device, which is bounded by at least one light-path altering component, sidewalls, and a back panel. Optionally, a heat sink assembly can be provided within the enclosure. Internal convention through the vortex gas circulation transfers the heat generated at a photovoltaic cell to all surfaces of the solar concentrator device to facilitate radiative and/or convective cooling at the outside surfaces of the enclosure. | 08-08-2013 |
20130199597 | TRANSPORTABLE PHOTOVOLTAIC SYSTEM - A transportable photovoltaic system includes a plurality of photovoltaic devices, a composite frame to which the plurality of photovoltaic devices are affixed, and a base structure to which the composite frame is movably attached through at least one variable-angle mount structure. The orientation of the frame and the light concentrating elements relative to the base structure can be altered employing the at least one variable-angle mount structure. The frame and the plurality of photovoltaic devices can be assembled prior to shipping, and the base structure can be manufactured on site. The transportable photovoltaic system is not affixed to ground or other fixture, but can be picked up at any time during the operational lifetime. The transportable photovoltaic system can be rapidly deployed with little or no site preparation requirement other than generally level ground, and can be retracted to a lower exposure position to avoid storm and/or hazardous conditions. | 08-08-2013 |
20130200709 | Techniques for Grid Coupling Photovoltaic Cells Using Ratiometric Voltage Conversion - Techniques for electrical power transfer in photovoltaic systems are provided. In one aspect, a photovoltaic system includes an array of photovoltaic power producing elements (e.g., concentrator photovoltaic cells); a power receiving unit; and at least one ratiometric DC to DC converter connected to both the array of photovoltaic power producing elements and the power receiving unit. The array of photovoltaic power producing elements can include a plurality of the photovoltaic power producing elements connected in series or in parallel. In another aspect, a method of transferring electrical power from an array of photovoltaic power producing elements to a power receiving unit includes the following step. At least one ratiometric DC to DC converter is connected to both the array of photovoltaic power producing elements and the power receiving unit. The at least one ratiometric DC to DC converter is configured to alter a voltage output from the array. | 08-08-2013 |
20130316150 | EMBEDDED NANOPARTICLE FILMS AND METHOD FOR THEIR FORMATION IN SELECTIVE AREAS ON A SURFACE - The invention is directed to a method of positioning nanoparticles on a patterned substrate. The method comprises providing a patterned substrate with selectively positioned recesses, and applying a solution or suspension of nanoparticles to the patterned substrate to form a wetted substrate. A wiper member is dragged across the surface of the wetted substrate to remove a portion of the applied nanoparticles from the wetted substrate, and leaving a substantial number of the remaining portion of the applied nanoparticles disposed in the selectively positioned recesses of the substrate. The invention is also directed to a method of making carbon nanotubes from the positioned nanoparticles. | 11-28-2013 |
20140069491 | Interposer Connector for High Power Solar Concentrators - In one aspect, an interposer assembly for housing a photovoltaic device includes a frame, formed from an electrically insulating material, having a center opening with a shape/size complementary to a shape/size of the photovoltaic device thus permitting the photovoltaic device to fit within the center opening in the frame when the photovoltaic device is housed in the assembly; a beam shield on the frame having a cup-shaped inner cavity to aid in routing of light to the photovoltaic device, wherein a side of the beam shield facing the frame has one or more recesses present therein; and one or more interposer connectors positioned between the frame and the beam shield such that the interposer connectors fit within the recesses in the beam shield, and wherein a portion of each of the interposer connectors extends into the center opening of the frame. | 03-13-2014 |
20140069501 | Cooling System for High Performance Solar Concentrators - Techniques for cooling concentrating solar collector systems are provided. In one aspect, an apparatus for cooling a photovoltaic cell includes a heat exchanger having a metal plate with a bend therein that positions a first surface of the metal plate at an angle of from about 100 degrees to about 150 degrees relative to a second surface of the metal plate, and a plurality of fins attached to a side of the metal plate opposite the first surface and the second surface; a vapor chamber extending along the first surface and the second surface of the metal plate, crossing the bend; and a cladding material between the vapor chamber and the heat exchanger, wherein the cladding material is configured to thermally couple the vapor chamber to the heat exchanger. A photovoltaic system and method for operating a photovoltaic system are also provided. | 03-13-2014 |
20140166070 | THERMAL RECEIVER FOR HIGH POWER SOLAR CONCENTRATORS AND METHOD OF ASSEMBLY - A device for dissipating heat from a photovoltaic cell is disclosed. A first thermally conductive layer receives heat from the photovoltaic cell and reduces a density of the received heat. A second thermally conductive layer conducts heat from the first thermally conductive layer to a surrounding environment. An electrically isolating layer thermally couples the first thermally conductive layer and the second thermally conductive layer. | 06-19-2014 |
20140166071 | THERMAL RECEIVER FOR HIGH POWER SOLAR CONCENTRATORS AND METHOD OF ASSEMBLY - A device for dissipating heat from a photovoltaic cell is disclosed. A first thermally conductive layer receives heat from the photovoltaic cell and reduces a density of the received heat. A second thermally conductive layer conducts heat from the first thermally conductive layer to a surrounding environment. An electrically isolating layer thermally couples the first thermally conductive layer and the second thermally conductive layer. | 06-19-2014 |