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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...
6599402 Electro-chemical deposition cell for face-up processing of single semiconductor substrates  
An apparatus and method for electro-chemically depositing a uniform metal layer onto a substrate is provided. In one aspect, the apparatus includes a cathode connected to the substrate plating...
6596148 Regeneration of plating baths and system therefore  
The present invention provides a system and method for selectively removing one or more organic and also preferably one or more inorganic contaminants from plating baths. More particularly, the...
6589404 Electrolytic cell for electrochemically depositing one of the following metals, copper, zinc, lead, nickel or cobalt  
The electrolytic cell has a trough-like container with a bottom, with side walls and with at least one inlet and at least one outlet for the electrolyte. Numerous plate-like electrodes are disposed...
6585875 Process and apparatus for cleaning and/or coating metal surfaces using electro-plasma technology  
A process for cleaning an electrically conducting surface ( 3 ) by arranging for the surface to form the cathode of an electrolytic cell in which the anode ( 1 ) is maintained at a DC voltage in...
6527920 Copper electroplating apparatus  
An electroplating apparatus prevents anode-mediated degradation of electrolyte additives by creating a mechanism for maintaining separate anolyte and catholyte and preventing mixing thereof within...
6478935 Semiconductor device plating apparatus  
An apparatus for plating a substrate includes plural plating baths that are each separately provided with (a) an individual temperature adjuster that includes a heater, a cooling jacket, and a...
6464845 Manufacturing method and apparatus for making alkaline ionized water and acidic water  
The manufacturing apparatus for producing alkaline ionized water and acidic water by electrolysis of water has an electrolytic bath including a cathode cell, an intermediate cell, and an anode...
6458262 Electroplating chemistry on-line monitoring and control system  
The present invention provides methods and apparatus for analysis and monitoring of electrolyte bath composition. Based on analysis results, the invention controls electrolyte bath composition and...
6432295 Process and device for electrolytic polishing of surgical needles  
In a process for the electrolytic polishing of surgical needles, a plurality of unfinished needles, which are arranged side by side and are secured to at least one web ( 6, 7 ) in their end-regions...
6428683 Feedback controlled airfoil stripping system with integrated water management and acid recycling system  
The present invention relates to a feedback controlled stripping system with integrated water management and acid recycling system. The system comprises a stripping tank containing an electrolyte...
6417069 Substrate processing method and manufacturing method, and anodizing apparatus  
A porous layer is formed on an Si substrate using an anodizing apparatus having a conductive partition inserted between a cathode and an anode. First, the cathode and Si substrate are brought into...
6413390 Plating system with remote secondary anode for semiconductor manufacturing  
The present invention provides an electroplating system for semiconductor wafers including a plating chamber connected by a circulating system to a plating solution reservoir. The semiconductor...
6406608 Apparatus to monitor and add plating solution to plating baths and controlling quality of deposited metal  
An apparatus for monitoring and adding solution to a plating bath and controlling the quality of deposited metal. At least one monitor monitors at least one condition within a plating bath and...
6398939 Method and 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...
6383348 Plating pretreatment apparatus and plating treatment apparatus  
The present invention provides a plating pretreatment apparatus that includes a cylindrical cathode disposed in a hollow portion of a fixing jig. A cylindrical object to be treated is installed on...
6383347 Electrochemical cell utilizing rigid support members  
The present invention relates to electrochemical cells and electrochemical systems using a one piece or unitary electrode plate hereinafter also referred to as a double electrode plate (DEP) which...
6350362 Method and device for regulating the concentration of substances in electrolytes  
A method and an apparatus are described for regulating the concentration of metal ions in an electrolytic fluid, which is used for the deposition of metal with insoluble anodes and additionally...
6299753 Double pressure vessel chemical dispenser unit  
The present invention generally provides a fluid delivery system with particular application to electroplating. Two or more reservoirs are fluidly connected to one or more processing chambers by...
6270635 Consistent plating system for electroplating  
A small plating solution reservoir of about 250-cc or less volume is used to provide plating of one wafer at a time with a precisely controlled, repeatable, plating solution. The reservoir is...
6264806 Plating fluid replenishment system and method  
A plating chemical replenishment system is described having a tank for supporting a chemical solution used in a plating fluid, a container having a pre-determined volume, a first valve for...
6251255 Apparatus and method for electroplating tin with insoluble anodes  
An apparatus and process for adding electrolytically dissolved tin to the electrolyte solution of a tin plating cell is described. The tin plating process cell has an insoluble anode. In...
6235188 Water pollution evaluating system with electrolyzer  
When the water stored in a reservoir 1 and containing chlorine ion and/or bromine ion is supplied to and circulated through an electrolyzer 4 and electrolyzed therein to create hypochlorous acid...
6231729 Apparatus for preparing and replenishing an electrolyte in an electrolyte bath  
An apparatus for supplying a soluble metal compound to an electrolyte solution uses a powder wetting device in a loop from a working tank. The powder wetting machine supplies the powdered metal...
6228230 Electroplating apparatus  
An apparatus for electroplating small parts comprises an electroplating bath for holding an electrolyte and electroplating anodes. The apparatus includes a container having at least one screened...
6224736 Apparatus and method for forming thin film of zinc oxide  
The present invention provides an apparatus or a method for forming a thin zinc oxide film on a conductive base member by immersing the conductive base member and a counter electrode in an aqueous...
6214179 Electrowinning cell  
This invention relates to a method of electrowinning metal from an eluate containing the metal in solution and includes the steps of feeding the eluate into a closed tank which includes a suitably...
6200452 Method and apparatus for the continuous chromium-plating of elongated members  
A method and an apparatus for the continuous chromium-plating of elongated members such as bars and the like: the bar to be plated is fed and rotated through at least one tubular shaped...
RE37055 Pool purifier attaching apparatus and method  
A water purifier comprising an electrolytic cell housed in an enclosure and an attaching apparatus. The enclosure attaches over an outlet fitting of a water circulation line in a swimming pool by...
RE37042 Electrochemical conversion of anhydrous hydrogen halide to halogen gas using a cation-transporting membrane  
The invention relates to a process for electrochemically converting anhydrous hydrogen halide, such as hydrogen chloride, hydrogen fluoride, hydrogen bromide and hydrogen iodide, to essentially dry...
6176997 Apparatus and method for copper extraction by in-situ electrolysis in heap-leaching of ores  
Copper is extracted from a heap of low-grade ore by transforming the heap into an electrolytic cell, and imposing a voltage thereon. Anodic conditions of redox and pH cause the sulphide to break...
6149791 Process and apparatus for the selective electroplating of electrical contact elements  
A process and apparatus for the selective electroplating of electrical coct elements, used for coating at least one contact surface of a metal base for the contact elements with an electrolyte,...
6146586 Dual current method and apparatus for sterilization of medical devices  
In order to completely sterilize all of the surfaces of a medical instrument on which biofilms are apt to form, the device is immersed in a container containing an antibiotic solution in a manner...
6117285 System for carrying out sterilization of equipment  
An apparatus for electrolyzing fluids. The resulting electrolyzed fluids are particularly suited for treating physiological materials such as whole blood, plasma, or cell isolates in order to...
6099703 Water purification plant  
6099702 Electroplating chamber with rotatable wafer holder and 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...
6096222 Agent to remove dissolved contaminants from water  
An apparatus and method for removing hydrocarbon contaminants and heavy metal ion contaminants from wastewater stream comprising the introduction of iron ions into the stream. In one embodiment,...
6086731 Composite plating apparatus  
A composite plating apparatus includes a cylindrical electrode which is positioned in a hollow section of a workpiece with a surrounding gap left therebetween. A plurality of through-holes are...
6063252 Method and apparatus for enriching the chromium in a chromium plating bath  
A method and apparatus for enriching the chromium concentration in an operating chrome plating from a spent chrome plating solution containing hexavalent chromium, trivalent chromium and extraneous...
6056862 Process and apparatus for supplying metal ions to alloy electroplating bath  
Disclosed is a process for supplying nickel ions for a nickel alloy electroplating bath so as to replenish nickel ions consumed as electroplating progresses. The process uses an electrolysis cell,...
6042712 Apparatus for controlling plating over a face of a substrate  
According to one aspect of the invention, a plating system is provided which includes a tank for containing a plating solution, a substrate holder, and a temperature control device. The substrate...
6024856 Copper metallization of silicon wafers using insoluble anodes  
A plating system and method is provided for electroplating silicon wafers with copper using an insoluble anode wherein the electrolyte is agitated or preferably circulated through an electroplating...
6017461 Water purification systems  
6007686 System for elctrolyzing fluids for use as antimicrobial agents  
An apparatus for electrolyzing fluids is disclosed. The resulting electrolyzed fluids are particularly suited for treating physiological materials such as whole blood, plasma, or cell isolates in...
6001235 Rotary plater with radially distributed plating solution  
A rotary plater and method of plating are provided which improve the uniformity of plating across a plating surface of a workpiece. A plating solution distribution device is located in a plating...
5993618 Device for generating oxygen or a mixture of ozone and oxygen  
The invention relates to a device for generating oxygen or a mixture of ozone and oxygen from high-purity water by means of an electrochemical cell in which a buffer vessel is provided for the...
5985106 Continuous rack plater  
A continuous plating system which is horizontal, allows for submersion of the entire article to be plated, and is useful for alloy plating. The invention provides a link/hinge conveyor system, the...
5976341 Process and apparatus for electrolytic deposition of metal layers  
A process and apparatus for electrolytically depositing a uniform metal layer onto a workpiece is provided. The workpiece, for example a circuit board, serves as a cathode. The anode is insoluble...
5976346 Membrane hydration in electrochemical conversion of anhydrous hydrogen halide to halogen gas  
The present invention relates to an electrochemical cell, system and process for converting essentially anhydrous hydrogen halide to essentially dry halogen gas. The process of the present...