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7615195 Photocatalyst water treating apparatus  
A photocatalytic water-processing system decomposes organic and inorganic materials present in water. The system includes a reservoir for storing the water to be processed, a main unit formed...
7601247 Falling bed cathode cell for metal electrowinning  
A cell ( 100 ) for metal electrowinning from metal ion solutions is described, wherein the cathode ( 1 ) consists of a falling bed of growing beads; the beads, withdrawn from the lower part of the...
7566385 Apparatus adapted for membrane-mediated electropolishing  
This invention provides a membrane-mediated electropolishing apparatus for polishing and/or planarizing metal work-pieces. The work-piece is wetted with a low-conductivity fluid. The wetted...
7559978 Gas-liquid separator and method of operation  
A system for gas-liquid separation in electrolysis processes is provided. The system includes a first compartment having a liquid carrier including a first gas therein and a second compartment...
7537683 Hydrogen based energy storage apparatus and method  
Utility power is wheeled to distributed hydrogen energy storage systems during off peak periods where it is used in an electrolyzer to disassociate water into hydrogen and oxygen. The hydrogen at...
7476305 Recovery system for platinum plating bath  
A recovery system for platinum electrolytic baths operating at low current densities is disclosed. An oxidizing system is provided in a closed-loop recirculation system for platinum plating at low...
7431810 Apparatus for controlling flow in an electrodeposition process  
An electrowinning cell, having a tank with an opened upper end defined by a tank edge, electrolyte within the tank and a plurality of flat, metallic electrode plates disposed within the tank in...
7416647 Plating processing device  
A plating processing device comprises: a plating bath, on which an object to be plated is mounted; and a sparger provided with plating nozzle and washing nozzle for jetting plating solution and...
7396440 Load leveling and electrolysis system  
The invention is a device for electrical load-leveling and/or electrolysis. A housing contains pairs of electrodes made from or containing a porous material. The electrodes are filled respectively...
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...
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...
7368043 Configurations and methods of electrochemical lead recovery from contaminated soil  
A soil remediation system includes an electrochemical cell that is configured to provide increased mass transfer and a decreased diffusion layer between the electrodes to thereby allow formation of...
7361256 Electrolytic reactor  
An electrolytic reactor including a conical recess of removable slices through which the electrolyte circulates towards a part to be coated under the action of a pump setting up forced circulation....
7294244 Microelectronic workpiece processing tool including a processing reactor having a paddle assembly for agitation of a processing fluid proximate to the workpiece  
An integrated tool is provided including at least one workpiece processing station having a paddle assembly. In accordance with another independent aspect of the present invention, the workpiece...
7279079 Plating apparatus, cartridge and copper dissolution tank for use in the plating apparatus, and plating method  
A plating apparatus provided with: three copper dissolution tanks connected to a plating liquid circulation path for supplying copper ions to a plating liquid; a buffer container for supplying a...
7264704 Electrolysis cell for restoring the concentration of metal ions in electroplating processes  
It is described an electrolysis cell wherein the anodic dissolution of metals is carried out, in particular of metals characterised by a relatively high oxidation potential, such as copper, or...
7179359 Cup-shaped plating apparatus  
Provided is a cup-shaped plating apparatus which can plate the whole area of a plating target surface with a uniform film thickness. In a cup-shaped plating apparatus including a placement portion...
7160421 Turning electrodes used in a reactor for electrochemically processing a microelectronic workpiece  
A facility for selecting and refining electrical parameters for processing a microelectronic workpiece in a processing chamber is described. The facility initially configures the electrical...
7097748 Electrolyzer pressure equalization system  
An energy storage system has a first pressurized tank for carrying water and hydrogen gas and a second pressurized tank for carrying water and oxygen gas. A first output line connects to the...
7087143 Plating system for semiconductor materials  
A workpiece processing station is disclosed. The workpiece processing station has particular applicability in an electroplating process for semiconductor wafers. The apparatus includes a work...
7045040 Process and system for eliminating gas bubbles during electrochemical processing  
A method and system for preventing gas bubble formation on a selected region of a wafer surface as the surface is brought in contact with a process solution for an electrochemical process is...
6991717 Web processing method and apparatus  
The present invention relates to a web handling apparatus and process ideally suited for applications involving wet chemistry. The invention involves the horizontal processing of webs in processing...
6984300 Method for recovering useful components from electrolytic phosphate chemical treatment bath  
The present invention provides means for recovering and reusing useful component ions in electrolytic phosphate chemical treatment bath without subjecting them to waste water treatment. In the...
6936142 Spouted bed apparatus for contacting objects with a fluid  
A vessel for contacting a plurality of objects with a fluid. An upwardly directed stream of fluid and a portion of the objects are confined in a conduit such that the fluid stream causes the...
6921472 Process for the solution of metals into an electrolytic deposition solution and solution plant operating such process  
A process for dissolving metals, in particular tin, and a plant for dissolving metals operating according to said process allow to minimize the quantity of metal in the sludge and the oxygen...
6899803 Method and device for the regulation of the concentration of metal ions in an electrolyte and use thereof  
In order to regulate the metal ion concentration in an electrolyte fluid serving to electrolytically deposit metal and additionally containing substances of an electrochemically reversible redox...
6896786 Method and device for producing wear resisting surfaces  
A process for the production of wear-resistant, coated surfaces includes the use of at least two electrodes connected to a voltages source which are mounted in, or border, a reaction space through...
6893551 Process for forming coatings on metallic bodies and an apparatus for carrying out the process  
A process for forming oxide based dense ceramic composite coatings on reactive metal and allow bodies involves suspension of at least two reactive metal or alloy bodies in a non-metallic,...
6890414 Purification system and method  
A system for use with a plating cell configured to plate objects in a plating process. At least one byproduct is created in a plating substance used in the plating cell. The system includes a...
6884332 Method and apparatus for treating an aqueous electroplating bath solution  
A method and apparatus for treating an aqueous electroplating bath solution. The method comprises continuously agitating the solution; adjusting the pH of the solution, adjusting the temperature of...
6878245 Method and apparatus for reducing organic depletion during non-processing time periods  
Embodiments of the invention generally provide an apparatus and method for replenishing organic molecules in an electroplating bath. The replenishment process of the present invention may occur on...
6869519 Electrolytic process for the production of metallic copper and apparatus therefor  
An electrolytic process for the production of metallic copper in an electrolytic cell including anode and cathode chambers separated from each other by a porous member, an anode disposed in the...
6863798 Method of producing washing, cleaning and sterilizing solution and system using such solution  
A washing, cleaning and sterilizing solution is produced by electrolyzing an electrolyte solution composed of mixed caustic soda and salt in an electrolyzer. The solution is used as it is or...
6855235 Anode impedance control through electrolyte flow control  
Embodiments of the invention generally provide an electrochemical plating cell having an electrolyte container assembly configured to hold a plating solution therein, a head assembly positioned...
6855233 Apparatus for production of strong alkali and acid electrolytic solution  
There is provided an apparatus for producing strong alkaline reductive electrolyzed water and acidic water that enables efficient production of electrolyzed water that has excellent washing and...
6849172 Electrolytic process and apparatus  
A method of operating a cell for electrowinning of copper, the cell including a plurality of anodes and cathodes therein, the method including the steps of introducing fresh electrolyte and...
6843897 Anode slime reduction method while maintaining low current  
Embodiments of the invention generally provide an electrochemical plating cell having an electrolyte container assembly configured to hold a plating solution therein, a head assembly positioned...
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...
6821407 Anode and anode chamber for copper electroplating  
An electroplating system includes (a) a phosphorized anode having an average grain size of at least about 50 micrometers and (b) plating apparatus that separates the anode from the cathode and...
6814858 Water treatment system  
In accordance with the present invention, there is provided a water treatment system for sterilizing water retained in a water container. The system includes a circulation process line for pumping...
6776884 Electropolishing process means for inner and outer surfaces of a metal  
An electropolishing device having: an electrode device, which includes a positive electrode guide, a negative electrode guide, a positive electrode plate, a negative electrode plate and a negative...
6752855 Solution treatment system and solution treatment method  
A plating system comprises: a plating unit which plates a water; a plating solution storage tank which stores a plating solution; and a plating solution supply system which supplies the plating...
6746593 High volume electrolytic water treatment system and process for treating wastewater  
A high volume electrolytic water treatment system and process for treating wastewater. The system and process is designed to treat waste streams that are both complex and with variable contaminate...
6719894 Process for electrocoagulating waste fluids  
An electrocoagulation process for removing organic and metal contaminants from a pressurized waste fluid is disclosed in which a clarified waste fluid is produced when the pressure is released.
6716334 Electroplating process chamber and method with pre-wetting and rinsing capability  
A plating cell has an inner plating bath container for performing electroplating on a work piece (e.g., a wafer) submerged in a solution contained by the inner plating bath container. A reclaim...
6685819 System and method for removing a solution phase metal from process liquor  
A galvanic cell system ( 50 ) in fluid communication with a dewatering system ( 40 ) of an inhibited oxidation scrubber ( 20 ) removes an oxidation catalyst, i.e., solution phase iron ( 98 ), from...
6649034 Electro-chemical metal alloying for semiconductor manufacturing  
The present invention provides an alloy electroplating system for semiconductor wafers including a plating chamber connected by a circulating system to a plating solution reservoir. The...
6627073 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,...
6607649 Process of preventing stray currents in peripheral parts of a plant in an electrolysis  
An electrolyte line extends from the outlet of an electrolysis device to a collecting tank and from the same back to the inlet of the electrolysis device. The electrolyte is passed from the outlet...
6599415 Apparatus and method for electropolishing surfaces  
A method and apparatus for electropolishing a workpiece without immersing the workpiece in a bath of electrolytic solution. The workpiece is held in an atmospheric environment, while electrolytic...