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| Number | Title | Issue Date |
| 7993501 | Double contact bar insulator assembly for electrowinning of a metal and methods of use thereof In various embodiments, the present invention provides an electrolytic cell contact bar having a first pole and a pair of second poles. The second poles are opposite in charge to the first pole and each of the pair of second poles are adjacent to and parallel to the... | 08/09/2011 |
| 7833393 | Semiconductor wafer holder and electroplating system for plating a semiconductor wafer A semiconductor wafer holder includes first and second holding members between which a semiconductor wafer is held. The second holding member includes a second conductive element placed in contact with a first conductive element of the first holding member and the s... | 11/16/2010 |
| 7678245 | Method and apparatus for electrochemical mechanical processing Embodiments of the invention generally provide a method and apparatus for processing a substrate in an electrochemical mechanical planarizing system. In one embodiment, a cell for polishing a substrate includes a processing pad disposed on a top surface of a platen ... | 03/16/2010 |
| 7438789 | Decomposition cell A decomposition cell having a first metal plate with a first layer of dielectric and a second metal plate with a second layer of dielectric wherein each layer of dielectric is sprayed onto the metal plates in molten form using a thermal plasma spray process. The pla... | 10/21/2008 |
| 7393440 | Hydrogen generation system The present invention provides a system for generating hydrogen gas in an aqueous solution based electrolytic or galvanic cell wherein the cathode is made from aluminum or an aluminum alloy. In a preferred arrangement the cell is a galvanic cell and cathode is made ... | 07/01/2008 |
| 7393438 | Apparatus for producing metal powder by electrowinning This invention relates to an apparatus for producing a metal powder product using either conventional electrowinning or alternative anode reaction chemistries in a flow-through electrowinning cell. A new design for a flow-through electrowinning cell that employs bot... | 07/01/2008 |
| 7393439 | Integrated microfeature workpiece processing tools with registration systems for paddle reactors Tools having mounting modules with registration systems are disclosed. The mounting module includes positioning elements for precisely locating a processing chamber and a transport system that moves workpieces to and from the processing chamber. The relative positio... | 07/01/2008 |
| 7374655 | Electrochemical water purifier An electrolytic water purification system and method use provides a water filtration device with a plurality of electrolytic cells having anodes and cathodes specifically selected to remove contaminants from water. The device is capable of efficiently removing nearl... | 05/20/2008 |
| 7368049 | Method and apparatus for electrowinning copper using the ferrous/ferric anode reaction and a flow-through anode The present invention relates, generally, to a method and apparatus for electrowinning metals, and more particularly to a method and apparatus for copper electrowinning using the ferrous/ferric anode reaction and a flow-through anode, such as, for example, a dimensi... | 05/06/2008 |
| 7335284 | Modular electrochemical cell A modular electrochemical cell having two interchangeable assemblies each with a support structure defining a cylindrical recess and having a fitting for connecting a pipe to the assembly. A disc-shaped electrode is arranged inside each recess and the assemblies are... | 02/26/2008 |
| 7326329 | Commercial production of hydrogen from water Large quantities of low cost hydrogen free of carbon oxides are required as fuel for the hydrogen economy. Commercial quantities of hydrogen can be produced from the electrolysis of water using a diaphragm-less electrolytic cell. The electrolytic cell has an anode c... | 02/05/2008 |
| 7323058 | Apparatus for electroless deposition of metals onto semiconductor substrates An electroless deposition system is provided. The system includes a processing mainframe, at least one substrate cleaning station positioned on the mainframe, and an electroless deposition station positioned on the mainframe. The electroless deposition station inclu... | 01/29/2008 |
| 7261798 | Assembly for maintaining compression for electrical contact of the active area of an electrochemical cell An electrochemical cell structure has a first fluid chamber and a resilient member disposed in the first fluid chamber. An opening permits communication of fluid into the first fluid chamber. An anode cavity and a cathode cavity are in fluid communication with the f... | 08/28/2007 |
| 7258779 | Method and means for hydrogen and oxygen generation A method and means for producing a combustible mixture of hydrogen and oxygen by electrolysis of water using a pulsed application of water onto electrodes while applying an electrical potential between electrodes and where the electrodes are not immersed in the wate... | 08/21/2007 |
| 7252752 | Method and apparatus for removing contaminants from conduits and fluid columns A method and apparatus for contaminant separation utilizes an interleaved array of oppositely charged electrode plates for fluid treatment. Spacing between the parallel electrode plates is graduated so that the volume of the cavities between the opposing electrodes ... | 08/07/2007 |
| 7244357 | Pumps for filtration systems Improvements in product water throughput from a reverse osmosis (RO) membrane filter achieved by thinner feed spacers in the RO element, enhanced recovery (ratio of permeate to feed), pressure recovery of the retentate fluid pressure opposing the feed water pressure... | 07/17/2007 |
| 7229473 | Local delivery of rapamycin for treatment of proliferative sequelae associated with PTCA procedures, including delivery using a modified stent Methods of preparing intravascular stents with a polymeric coating containing macrocyclic lactone (such as rapamycin or its analogs), stents and stent graphs with such coatings, and methods of treating a coronary artery with such devices. The macrocyclic lactone-bas... | 06/12/2007 |
| 7223286 | Local delivery of rapamycin for treatment of proliferative sequelae associated with PTCA procedures, including delivery using a modified stent Methods of preparing intravascular stents with a polymeric coating containing macrocyclic lactone (such as rapamycin or its analogs), stents and stent graphs with such coatings, and methods of treating a coronary artery with such devices. The macrocyclic lactone-bas... | 05/29/2007 |
| 7223324 | Capping board with separating walls Disclosed in a capping board for use to support hanging legs of anodes and cathodes within adjacent electrolytic cells. This capping board has a main body having a bottom surface shaped to fit onto upper edges of the adjacent cells, and a top surface. A first set of... | 05/29/2007 |
| 7217286 | Local delivery of rapamycin for treatment of proliferative sequelae associated with PTCA procedures, including delivery using a modified stent Methods of preparing intravascular stents with a polymeric coating containing macrocyclic lactone (such as rapamycin or its analogs), stents and stent graphs with such coatings, and methods of treating a coronary artery with such devices. The macrocyclic lactone-bas... | 05/15/2007 |
| 7204918 | High efficiency plating apparatus and method An improved apparatus for treating plate-like workpieces with a designated chemical solution, including printed circuit boards, includes: (1) a tray for holding the chemical solution, with the tray having an open top which is configured to receive a horizontally-ori... | 04/17/2007 |
| 7204919 | Capping board with at least one sheet of electrically conductive material embedded therein Disclosed is a capping board for use to support anodes and cathodes within adjacent electrolytic cells, which has a plurality of individual seats positioned in spaced apart relationship all along its length to receive and support hanging legs projecting from these a... | 04/17/2007 |
| 7198694 | Integrated tool with interchangeable wet processing components for processing microfeature workpieces and automated calibration systems An integrated tool and automatic calibration systems that enable wet chemical processing chambers, lift-rotate units and other hardware to be quickly interchanged without having to recalibrate the transport system or other components to the replacement items. These ... | 04/03/2007 |
| 7160434 | Therapeutic electrolysis device An electrolysis device is provided. The electrolysis device includes an ionizer unit having first and second plate assemblies that each provide a different surface area that is contacted by water when the unit is in use. The plate assemblies may each provide a diffe... | 01/09/2007 |
| 7105019 | Bifurcated axially flexible stent There is disclosed a method of stent placement which comprises first guiding a guidewire through the vasculature. Second, a balloon catheter which contains two guidewire lumens is strung along the guidewire into position at the bifurcation. The distal opening of the... | 09/12/2006 |
| 7083706 | Substrate processing apparatus A substrate processing apparatus comprises a plating section having a plating bath for holding a plating liquid therein, and a head assembly for holding a substrate and immersing the substrate in the plating liquid in the plating bath. A plated film is formed on a s... | 08/01/2006 |
| 7070685 | Method and device for decontaminating water which contains metal and/or is radioactively contaminated The invention relates to an efficient process and device for the decontamination of waters polluted with heavy metals, semimetals and/or radionuclides by cation exchange and electrochemical deposition of the anions. ... | 07/04/2006 |
| 7060088 | Stent with improved flexible connecting links Disclosed is a stent that has flexible connecting links that have a strut width as measured in a direction that is generally along the surface of the stent that is smaller than the wall thickness of the stent as measured in a radial direction from the stent's longit... | 06/13/2006 |
| 7056440 | Dialysis device with air chamber A device for the dialysis of a sample includes a hermetically sealed sample chamber formed by a gasket with dialysis membranes affixed to each side in facing relationship. The gasket is impermeable to the sample being dialyzed, but is penetrable and reusable such th... | 06/06/2006 |
| 7048838 | Ion exchange membrane electrolyzer The invention provides an ion exchange membrane electrolyzer ensuring a satisfactory circulation of electrolyte, high electrolytic efficiency and great ridigity. An anode chamber partition in a flat sheet form is joined to a cathode chamber partition in a flat sheet... | 05/23/2006 |
| 7029493 | Stent with enhanced crossability A stent design is disclosed which has a flexible connector which has flexible arcs and flexible struts aligned similarly to the radial arcs and radial struts, such that the alignment of the flexible connector within the stent decreases the likelihood of the stent's ... | 04/18/2006 |
| 7018522 | Method and apparatus for removing contaminants from conduits and fluid columns A method and apparatus for contaminant separation utilizes an interleaved array of oppositely charged electrode plates for fluid treatment. Spacing between the parallel electrode plates is graduated so that the volume of the cavities between the opposing electrodes ... | 03/28/2006 |
| 7011738 | Activation of a cathode The present invention relates to a method for activation of a cathode comprising at least a cathode substrate wherein the cathode is cleaned by means of an acid, the cleaned cathode is coated with at least one electrocatalytic coating solution, drying the coated cat... | 03/14/2006 |
| 7005046 | Apparatus for electro chemical deposition A system is provided in which a smaller flow of deposition solution is diverted from a larger flow of deposition solution flowing on an electrochemical deposition tool platform. The smaller flow is diverted to a dosing unit which may be on a separate platform. The d... | 02/28/2006 |
| 7005075 | Gas drive electrolytic cell The present invention is directed to an electrolytic cell that is completely sealed during the electrolysis operation during production of oxidant. Gasses generated within the electrolysis operation, primarily hydrogen that is liberated at the cathode surface, incre... | 02/28/2006 |
| 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 |
| 6932892 | Apparatus and method for electrolytically depositing copper on a semiconductor workpiece A process for applying a metallization interconnect as to a semiconductor workpiece having a barrier layer deposited on a surface thereof is set forth. The process includes the forming of an ultra-thin metal seed layer on the barrier layer. The ultra-thin seed layer... | 08/23/2005 |
| 6929740 | Water purification system A water purification apparatus used to prevent the formation of scale around electrodes which form part of the apparatus. The apparatus comprises at least one electrode containing a proportion of an ion-emitting electrode such as copper, silver or a copper and silve... | 08/16/2005 |
| 6923901 | Non-chemical water treatment method and apparatus employing ionized air purification technologies for marine application Contaminated water, particularly, ballast water, blackwater, galley water, accommodation water, laundry water, fresh water and seawater, is disinfected by admixture of a highly reactive gas stream containing ions of oxygen and nitrogen, formed by exposure of air to ... | 08/02/2005 |
| 6911128 | Device for decontamination of water The invention relates to a device for the decontamination of water, particularly of heavy metals and/or arsenic and/or their compounds, by means of electrolysis, wherein the water to be purified is fed through a receptacle and passes by electrodes of different polar... | 06/28/2005 |
