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| Number | Title | Issue Date |
| 7892407 | System and sub-systems for production and use of hydrogen A method for optimizing the efficiency of a solar powered hydrogen generation system is disclosed. The system utilizes photovoltaic modules and a proton exchange membrane electrolyzer to split water into hydrogen and oxygen with an efficiency greater than 12%. This ... | 02/22/2011 |
| 7862693 | Apparatus for plating semiconductor wafers An electroplating apparatus for electroplating a surface of a wafer is provided. The wafer is capable of being electrically charged as a cathode. The electroplating apparatus includes a plating head capable of being positioned either over or under the surface of a w... | 01/04/2011 |
| 7850831 | Method and apparatus for electrochemical machining An electrochemical machining apparatus and method for machining a workpiece (60). The apparatus provides a pulse of electric power, which is conducted from the workpiece (60), to an electrolyte (68) flowing through a gap (62), and then to... | 12/14/2010 |
| 7674358 | Method and apparatus for hydrogen generation A method for configuring a solar hydrogen generation system and the system optimization are disclosed. The system utilizes photovoltaic modules and an electrolyte solution to efficiently split water into hydrogen and oxygen. The efficiency of solar powered electroly... | 03/09/2010 |
| 7645364 | Apparatus and method for plating semiconductor wafers An electroplating apparatus for electroplating a surface of a wafer is provided. The wafer is capable of being electrically charged as a cathode. The electroplating apparatus includes a plating head capable of being positioned either over or under the surface of a w... | 01/12/2010 |
| 7459064 | Solar electrolysis power source A solar electrolysis power source includes a solar panel, an electrolysis unit, a hermetically sealed compressor, a hydrogen tank, and a fuel cell. By utilizing the electrolysis of water powered by solar energy, the solar electrolysis power source enables a safe, en... | 12/02/2008 |
| 7381313 | Integrated hydrogen production and processing system and method of operation A method of operating an integrated hydrogen production and processing system is provided. The method includes operating an electrolyzer to produce hydrogen from water and utilizing heat generated from the electrolyzer to increase a temperature of an electrolyte in ... | 06/03/2008 |
| 7368042 | Electroplating apparatus including a real-time feedback system An electro-chemical plating system includes an upper rotor assembly for receiving and holding a wafer; an electroplating reactor vessel for containing plating solution in which the wafer is immersed; an anode array including a plurality of concentric anode segments ... | 05/06/2008 |
| 7325392 | Control system for catalytic processes The present invention provides methods and systems for controlling a catalytic process. The control system includes: an electroconductive support having a layer of a catalyst thereon; a first electrode in contact with said electroconductive support; a second electro... | 02/05/2008 |
| 7288180 | Electric current control method and apparatus for use in gas generators The invention provides a method and apparatus for current control in gas generators capable of generating a fluorine or fluoride gas by and in which the electrolysis can be maintained in an optimum condition, stable operation is possible and no manpower is demanded.... | 10/30/2007 |
| 7254938 | Power supply and transformer A circuit for providing a potential difference across a gap between two electrodes of a fuel reformer, oxides of nitrogen trap or soot filter regenerator for an internal combustion engine or the like. The circuit includes a power source, a transformer including a pr... | 08/14/2007 |
| 7238278 | Apparatus for purifying water The invention relates to a method for purifying water by forming in an electrolytic cell molecular halogen, hypohalic acid, hypohalite ions or combinations thereof, from halide ions dissolved in the water; and dissolving one or more soluble metal salts in the water ... | 07/03/2007 |
| 7238265 | Electroplating apparatus with functions of voltage detection and flow rectification The present invention provides a fountain-type electroplating apparatus with functions of voltage detection and flow rectification, comprising: an electroplating tank, a rectification device, and an overflow tank, wherein the electroplating tank is positioned inside... | 07/03/2007 |
| 7217346 | Water treating method, water treating apparatus, and hydroponics system using the apparatus There is provided a water treating method which can not only improve an effect of eliminating microorganisms in water intended for cooking and drinking or waste water but also prevent a reduction in trace amounts of nutritional elements. In the method, at least a pa... | 05/15/2007 |
| 7211175 | Method and apparatus for potential controlled electroplating of fine patterns on semiconductor wafers Controlled-potential electroplating provides an effective method of electroplating metals onto the surfaces of high aspect ratio recessed features of integrated circuit devices. Methods are provided to mitigate corrosion of a metal seed layer on recessed features du... | 05/01/2007 |
| 7186323 | Electrolyzed water production system An electrolytic ion-water production apparatus in which purified water without residual chlorine is electrolyzed to produce alkaline-ion water without any chloride smell of lime in use of the apparatus, and in which a mixture of purified water treated by a water pur... | 03/06/2007 |
| 7025862 | Plating uniformity control by contact ring shaping An apparatus for providing an electrical bias to a substrate in a processing system is described. The apparatus generally includes a conductive annular body defining a central opening. The conductive annular body may have a substrate seating surface adapted to recei... | 04/11/2006 |
| 7019382 | Arrangement for ESD protection of an integrated circuit To protect a high-frequency integrated circuit (1) against higher voltages than normal operating voltages on an input/output terminal connected to a bonding pad (2), a semiconductor varistor (3) having low and essentially constant resistance for... | 03/28/2006 |
| 6998029 | Anodic protection systems and methods Various systems and methods for protecting electrowinning anodes having electrocatalytically active coatings in a bank of electrolytic cells from being damaged by reverse currents. In the first embodiment, one or more auxiliary power sources are provided that, when ... | 02/14/2006 |
| 6978386 | Method and apparatus for regulating current for programmable logic controllers A method for reducing thermal dissipation in a single PLC package includes implementing a pulse width modulated current regulator including a field effect transistor (FET) switch, and utilizing a turn on delay of the FET to provide a wide operating range of current.... | 12/20/2005 |
| 6884333 | Electrochemical system for analyzing performance and properties of electrolytic solutions The invention relates to the analysis of the performance and properties of electrochemical processes, and specifically, to electrolytic solutions and electrode processes. The invention discloses a device and a method for obtaining qualitative and quantitative inform... | 04/26/2005 |
| 6846639 | Method for detecting pathogens attached to specific antibodies The use of impedance measurements to detect the presence of pathogens attached to antibody-coated beads. In a fluidic device antibodies are immobilized on a surface of a patterned interdigitated electrode. Pathogens in a sample fluid streaming past the electrode att... | 01/25/2005 |
| 6843894 | Cathode current control system for a wafer electroplating apparatus A cathode current control system employing a current thief for use in electroplating a wafer is set forth. The current thief comprises a plurality of conductive segments disposed to substantially surround a peripheral region of the wafer. A first plurality of resist... | 01/18/2005 |
| 6835552 | Impedance measurements for detecting pathogens attached to antibodies The use of impedance measurements to detect the presence of pathogens attached to antibody-coated beads. In a fluidic device antibodies are immobilized on a surface of a patterned interdigitated electrode. Pathogens in a sample fluid streaming past the electrode att... | 12/28/2004 |
| 6830675 | Method and device for removing carbon monoxide from a gas stream A method for removing carbon monoxide from a gas stream, in which the gas stream loaded with CO is guided through a device, and the CO is removed from the gas stream through adsorption on the working electrode. As a function of an electrical voltage between the work... | 12/14/2004 |
| 6830673 | Anode assembly and method of reducing sludge formation during electroplating A higher applied potential may be provided to a consumable anode to reduce sludge formation during electroplating. For example, a higher applied potential may be provided to a consumable anode by decreasing the exposed surface area of the anode to the electrolyte so... | 12/14/2004 |
| 6793792 | Electroplating methods including maintaining a determined electroplating voltage and related systems Methods for electroplating metal can include passing an electrical current through a conductive surface and an electroplating solution adjacent the conductive surface. An electroplating voltage for the conductive surface and the electroplating solution can be determ... | 09/21/2004 |
| 6787368 | Biosensor method for detecting analytes in a liquid A diagnostic method and device for use in detecting or quantitating an analyte present in a liquid sample. The method includes reacting an analyte-containing sample with reagents capable of generating a first coil-forming peptide in solution form. This peptide is th... | 09/07/2004 |
| 6770184 | Integrated de-ionized water pressure monitoring system for solder plating machines The present invention provides a solder plating system with automatic monitoring of wash fluid pressure. The system automatically activates an alarm and/or initiates shutdown of a solder plating machine when the pressure reading indicates a failure of the wash fluid... | 08/03/2004 |
| 6723223 | Electrochemical machining method with optimal machining pulse duration For an electromechanical machining of a work piece there is an optimal pulse duration for the machining pulses corresponding to the maximum copying accuracy. Such an optimal pulse duration corresponds to a certain value of the gap. By alternating the machining pulse... | 04/20/2004 |
| 6672382 | Downhole electrical power system A downhole electrical power system provides long term electrical power in a downhole environment. In a described embodiment, a downhole electrical power system includes a power source which supplies electrical power to a well tool interconnected in a tubu... | 01/06/2004 |
| 6627053 | Water treatment device The present invention is directed to a new water treatment device comprising an electrolytic tank to put water in, an electrode provided in the electrolytic tank, a water treating path for pouring water in a pool and returning to the pool the water in the... | 09/30/2003 |
| 6627051 | Cathode current control system for a wafer electroplating apparatus A cathode current control system employing a current thief for use in electroplating a wafer is set forth. The current thief comprises a plurality of conductive segments disposed to substantially surround a peripheral region of the wafer. A first pluralit... | 09/30/2003 |
| 6585867 | Production system of electrolyzed water In a production system of electrolyzed water A, alkaline water and acid water produced in a pair of electrode chambers 12, 23 of an electrolyzer 10 are discharged from discharge conduits 41, 42 through a flow passage changeover valve 50. The discharge con... | 07/01/2003 |
| 6582592 | Apparatus for removing dissolved metals from wastewater by electrocoagulation A system is provided for removing dissolved metals from industrial wastewater by electrocoagulation. The system includes an electrocoagulation reactor with a DC power supply having an insulation support enclosure with positive and negative electrode plate... | 06/24/2003 |
| 6576460 | Filtration-detection device and method of use The present invention relates to a filtration-detection device for detecting or quantifying an analyte in a test sample including a filtration device having a first binding material immobilized thereto, wherein the first binding material is capable of bin... | 06/10/2003 |
| 6524464 | Fan flow sensor for hydrogen generating proton exchange member electrolysis cell A fan flow sensor for a hydrogen generating proton exchange member electrolysis cell includes a switching device and a sail slideably disposed on the switching device. The sail is configured to actuate the switching device in response to an airflow from a... | 02/25/2003 |
| 6508928 | Recovery of metal from solution The invention relates to a method for controlling the recovery of a metal, such as silver, from a solution flowing through an electrolytic cell. A constant current is applied between the anode and cathode of the cell and the rate of change of the voltage ... | 01/21/2003 |
| 6500574 | Method and apparatus for a fuel cell based fuel sensor Fuel concentrations are determinable in a solid oxide fuel cell through voltage measurement of one or more fuel cell units, which voltage is a function of hydrogen gas present in the fuel feed stream to the one or more fuel cell units. The voltage in the ... | 12/31/2002 |
| 6495018 | Electro-plating apparatus and method A single delivery channel is formed by, and between, inner wall 2 and baffle 3. Electrolyte 5 is pumped up the interior of channel 1 and is directed onto substrate 4 being a cathode maintained at -10 volts. The upper part of the inner wall 2 of channel 1 ... | 12/17/2002 |
