Patent application number | Description | Published |
20090113685 | Methods to make piezoelectric ceramic thick film array and single elements and devices - A method of producing at least one piezoelectric element includes depositing a piezoelectric ceramic material onto a surface of a first substrate to form at least one piezoelectric element structure. Then an electrode is deposited on a surface of the at least one piezoelectric element structure. Next, the at least one piezoelectric element structure is bonded to a second substrate, the second substrate being conductive or having a conductive layer. The first substrate is then removed from the at least one piezoelectric element structure and a second side electrode is deposited on a second surface of the at least one piezoelectric element structure. A poling operation is performed to provide the at least one piezoelectric element structure with piezoelectric characteristics. | 05-07-2009 |
20090156003 | METHOD FOR DEPOSITING TUNGSTEN-CONTAINING LAYERS BY VAPOR DEPOSITION TECHNIQUES - In one embodiment, a method for forming a tungsten-containing material on a substrate is provided which includes forming a tungsten-containing layer by sequentially exposing a substrate to a processing gas and a tungsten-containing gas during an atomic layer deposition process, wherein the processing gas comprises a boron-containing gas and a nitrogen-containing gas, and forming a tungsten bulk layer over the tungsten-containing layer by exposing the substrate to a deposition gas comprising the tungsten-containing gas and a reactive precursor gas during a chemical vapor deposition process. In one example, the tungsten-containing layer and the tungsten bulk layer are deposited within the same processing chamber. | 06-18-2009 |
20090158740 | CO2 CAPTURE DURING COMPRESSED AIR ENERGY STORAGE - A compressed air energy storage system including a gas inlet pipe, at least one air compressor stage attached to the gas inlet pipe and adapted for compression of a gas, a heat transfer system to cool the gas during or after compression, at least one absorption bed attached to the heat transfer system, at least one compressed gas reservoir having an inlet and an outlet, the compressed gas reservoir being attached at its inlet to the absorption bed, at least one preheater stage that is attached to the outlet of the compressed gas reservoir for heating a compressed gas before expansion but after storage in the compressed gas reservoir, and at least one gas expander that is attached to the preheater stage and is adapted for the expansion of the compressed gas. | 06-25-2009 |
20090239331 | METHODS FOR FORMING MULTIPLE-LAYER ELECTRODE STRUCTURES FOR SILICON PHOTOVOLTAIC CELLS - Methods for forming a photovoltaic cell electrode structure, wherein the photovoltaic cell includes a semiconductor substrate having a passivation layer thereon, includes providing a plurality of contact openings through the passivation layer to the semiconductor substrate, selectively plating a contact metal into the plurality of contact openings to deposit the contact metal, depositing a metal containing material on the deposited contact metal, and firing the deposited contact metal and the deposited metal containing material. The metal containing material may include a paste containing a silver or silver alloy along with a glass frit and is substantially free to completely free of lead. The methods may also use light activation of the passivation layer or use seed layers to assist in the plating. | 09-24-2009 |
20090262776 | METHOD AND APPARATUS FOR CALIBRATING A THERMISTOR - The presently described embodiments are directed to a calibration method and system for thin film thermistors that are locally heated with integrated thin film heaters. Initially, print head temperature is either measured or referenced. Then, transient thermistor resistances are measured and used to determine the thermistor resistance at a higher temperature. Notably, this calibration method is advantageously implemented as a step of an existing process without having to expose the print heads to operating temperatures. In some implementations of the presently described embodiments, trimming of the thermistors may be required once calibrated. | 10-22-2009 |
20100028054 | POWDERED TONER DIRECT MARKING APPARATUS - A marking apparatus including a traveling wave grid toner transport circuit structure for transporting powdered toner along a transport surface, and electromechanical elements for selectively enabling toner patches to be projected to an output medium by a projecting electric field. | 02-04-2010 |
20100059377 | SYSTEM AND METHOD FOR RECOVERY OF CO2 BY AQUEOUS CARBONATE FLUE GAS CAPTURE AND HIGH EFFICIENCY BIPOLAR MEMBRANE ELECTRODIALYSIS - A system and method for recovery of CO | 03-11-2010 |
20100124619 | SOLAR CELL METALLIZATION USING INLINE ELECTROLESS PLATING - Inline methods for forming a photovoltaic cell electrode structure, wherein the photovoltaic cell includes a semiconductor substrate having a passivation layer thereon, includes providing a plurality of contact openings through the passivation layer to the semiconductor substrate, selectively plating a contact metal into the plurality of contact openings by printing electroless plating solution into the plurality of contact openings to deposit the contact metal, depositing a metal containing material on the deposited contact metal, and firing the deposited contact metal and the deposited metal containing material. The metal containing material may include a paste containing a silver or silver alloy along with a glass frit and is substantially free to completely free of lead. The methods may also use light activation of the passivation layer or use seed layers to assist in the plating. | 05-20-2010 |
20100136383 | NOVEL PRINTED FUEL CELL WITH INTEGRATED GAS CHANNELS - A method of manufacturing a fuel cell includes applying a sacrificial material periodically to a surface of an anode substrate, wherein at least some areas of the anode substrate have no sacrificial material. A first gas diffusion layer is applied to the sacrificial material, and a first catalyst material is applied to the first gas diffusion layer. An electrolyte material is applied to the anode substrate and the first gas diffusion layer, with the catalyst material, wherein a first surface of the electrolyte material is in operative association with the anode substrate, and the first gas diffusion layer. A second catalyst material is applied to the second surface of the electrolyte material. A second gas diffusion layer is applied to the electrolyte material on a second surface of the electrolyte material, with the catalyst material, wherein a first surface of the second gas diffusion layer is in contact with the second surface of the electrolyte material with the catalyst material. A cathode is applied to the second gas diffusion layer with the second catalyst material, and the sacrificial material is then removed from the surface of the anode substrate to create integrated gas channels for the manufactured fuel cell. | 06-03-2010 |
20100206357 | Two-Part Solar Energy Collection System With Replaceable Solar Collector Component - A two-part solar energy collection system for installation on a planar support surface (e.g., a rooftop) includes a permanent positioning component including a base structure and a replaceable solar collector component including solar energy collection elements fixedly mounted on a support frame. Each collection element includes an optical element arranged to focus solar radiation onto a focal line, and a linearly-arranged solar energy collector (e.g., PV cells) fixedly maintained on the focal line. The replaceable solar collector component is secured to a rotating platform of the base structure such that the focal lines of the solar energy collection elements are maintained in a plane that is substantially parallel to the support surface, and the rotating platform and replaceable solar collector component are collectively pivoted by a positioning system around a rotational axis to align the PV cells) parallel to the received sunlight beams. | 08-19-2010 |
20100206379 | Rotational Trough Reflector Array With Solid Optical Element For Solar-Electricity Generation - A rotational trough reflector solar-electricity generation device includes a trough reflector that rotates around a substantially vertical axis and includes a solid optical element having a linear parabolic convex surface that serves as a base for automatically positioning a mirror to focus sunlight onto a focal line, and a flat aperture surface that serves to support a strip-type photovoltaic (PV) receiver on the focal line. A tracking system rotates the trough reflector such that the trough reflector is aligned generally parallel to the incident sunlight (e.g., in a generally east-west direction at sunrise, turning to generally north-south at noon, and turning generally west-east at sunset). A disc-shaped support structure is used to distribute the reflector's weight over a larger area and to minimize the tracking system motor size. Multiple trough reflectors are mounted on the disc-shaped support to maximize power generation. | 08-19-2010 |
20110141206 | STACKED SLICE PRINTHEAD - A side-firing printhead comprises a stack that includes a plurality of slices, wherein each slice includes a PCB trigger layer and a diaphragm layer, the PCB trigger layer controls the flow of ink from the diaphragm layer, a first side of the diaphragm layer includes at least one cavity that delivers ink via one or more aperture braces. An aperture plate is coupled to one side of the stack to interface to the diaphragm layers contained therein, wherein the aperture plate contains a plurality of apertures that are located at each aperture brace. A first bracket is disposed on the top of the stack and a second bracket is disposed on the bottom of the stack, wherein at least one fastener couples the second bracket to the first bracket such that a predetermined amount of pressure is applied to the stack. | 06-16-2011 |
20120152744 | ELECTRODIALYTIC SEPARATION OF GAS FROM AQUEOUS CARBONATE AND BICARBONATE SOLUTIONS - A process for producing a gas using an electrodialysis apparatus includes flowing at least two solutions and an electrode solution into the apparatus, pressurizing the apparatus at a stack pressure, applying a voltage to the apparatus's electrodialysis stack so a dissolved gas is generated in the second solution, flowing the second solution out of the apparatus, regenerating the gas out of the second solution, and collecting the gas. A process for generating a product, like a gas, liquid, or supercritical fluid, using an electrodialysis apparatus includes flowing at least two solutions and an electrode solution into the apparatus, adjusting the temperature and pressure so the product will be generated from the second solution, applying a voltage to the electrodialysis stack of the apparatus so that the product is generated in the second solution, flowing the second solution out of the apparatus, and regenerating the product from the second solution. | 06-21-2012 |
20120152747 | HIGH-PRESSURE ELECTRODIALYSIS DEVICE - An apparatus for performing electrodialysis at pressures greater than or equal to the ambient pressure is described. The apparatus includes an electrodialysis membrane stack and housing. The electrodialysis membrane stack includes at least one electrodialysis cell. The electrodialysis apparatus includes electrodes that apply voltage across the electrodialysis stack. The housing pressurizes the electrodialysis stack at a stack pressure. The housing includes a cell chamber that receives the electrodialysis stack, the cell chamber including at least one pressurization port communicating with the cell chamber such that a portion of electrode solution is transmittable into a region of the cell chamber outside the electrodialysis stack. A system for performing electrodialysis at pressures greater than ambient pressure includes at least two solution loops, an electrode solution loop, and an electrodialysis apparatus operatively connected to the solution and electrode solution loops that performs electrodialysis at a stack pressure that is greater than ambient pressure. | 06-21-2012 |
20130143143 | NOVEL PRINTED FUEL CELL WITH INTEGRATED GAS CHANNELS - A printed fuel cell having integrated gas channels, and having an anode layer, where a first gas diffusion electrode layer is periodically fixed to the anode layer, wherein the periodically fixed first gas diffusion electrode layer defines hydrogen flow field channels. A first catalyst material is coated or infused to the first gas diffusion electrode layer. An electrolyte membrane covers portions of the anode layer and first gas diffusion electrode layer with the first catalyst material. A second catalyst material is coated or infused to the electrolyte membrane. A second gas diffusion electrode layer is in operative association with the electrolyte membrane and second catalyst material, on a surface of the electrolyte membrane different from a surface of the electrolyte membrane which is in contact with the first gas diffusion electrode layer, and a perforated cathode is in contact with the second gas diffusion electrode layer. | 06-06-2013 |