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7604718 Dynamically configurable electrode formed of pixels  
A dynamically configurable electrode includes a first planar electrode and a planar array of pixels in a different plane, wherein a polarizable liquid medium (including electrolyte solutions) is to...
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...
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...
6808613 Oxidizing electrolytic method for obtaining a ceramic coating at the surface of a metal  
Process for obtaining a ceramic coating on the surface of a metal having semiconducting properties, such as aluminium, titanium, magnesium, hafnium, zirconium and their alloys, by a...
6797134 Pulsed power supply for electrochemical cell  
A method and apparatus are provided for electrolyzing water for enhanced production of oxygen, hydrogen and heat by the steps of (i) providing an electrochemical cell comprising an isotopic...
6585868 Reduced water producing apparatus  
This invention relates to a reduced water producing apparatus, which can mass-produce reduced water, wherein oxidation-reduction potential maintains for a long period successively, from not only...
6409903 Multi-step potentiostatic/galvanostatic plating control  
A method and apparatus are provided for the electroplating of a substrate such as a semiconductor wafer which provides a uniform electroplated surface and minimizes bum-through of a seed layer used...
6231748 Method of and arrangement for electrochemical machining  
A method of electrochemically machining an electrically conductive workpiece in an electrolyte by applying electrical pulses between the workpiece and an electrically conductive electrode, one or...
6228246 Removal of metal skin from a copper-Invar-copper laminate  
A method of removing a metal skin from a through-hole surface of a copper-Invar-copper (CIC) laminate without causing differential etchback of the laminate. The metal skin includes debris deposited...
6197179 Pulse-modulated DC electrochemical coating process and apparatus  
The present invention relates to a novel process for coating objects by means of direct current, in which process an adjustable DC voltage is pulse-modulated with an adjustable AC voltage. The...
6179984 Circuitry and method for an electroplating plant or etching plant pulse power supply  
The circuit arrangement and method for supplying pulsed current to electrolytic cells according to the invention are used in electroplating systems. To supply current to each electrolytic cell,...
6174419 Electrolytic water producing apparatus  
In an electrolytic water producing apparatus, an anode and a cathode in an electrolytic cell are periodically switched to reduce degradation thereof. The concentration of hypochlorous acid formed...
6146515 Power supply and method for producing non-periodic complex waveforms  
A power supply for producing complex non-periodic waveforms from a sum of periodic waveforms is disclosed. The power supply includes a controller which measures the output signal and compares it to...
6139717 Process for treating water and apparatus therefor  
The invention provides a process and apparatus for treating water, which can be stably operated with high efficiency over a long period of time. The apparatus has a grounding electrode and a pair...
5985108 Controlling apparatus for continuous electrolytic ion water producing apparatus  
A controlling apparatus which can control a continuous electrolytic ion water producing apparatus so that an excess current when the electrolyzing strength is not adjusted appropriately can be...
5935392 Electrodes for electrolytic removal of nitrates from water, methods of making same, and apparatus incorporating said electrodes  
A carbon fiber electrode is coated with a noble metal oxide to create a noble metal oxide electrode with a very large surface area. According to a presently preferred embodiment, the noble metal...
5772859 Device for treating wetting liquid in printing presses, particularly for offset printing presses  
A method and device for treating the wetting liquid used to wash ink bearing portions of printing presses, particularly offset printing presses. The wetting liquid is based on water and has preset...
5620582 Energy-saving process for architectural anodizing  
A method for low-voltage architectural anodizing of aluminum and aluminum alloy articles by using a direct anodizing current ranging for different machines from 10 kA up to 50 kA and more, plus a...
5558757 Process for improving the coating of electrolytically treated work pieces, and arrngement for carrying out the process  
The invention starts with a process for improving the electrolytic coating of work pieces (3) that are arranged one after the other as a row at a distance from each other on cathode rails (1) or on...
5468360 Electrolytic chlorination  
An a.c. induction motor for use with a pump of a pool filtration system, the motor comprising a rotor and a stator, the stator (45) having at least two windings including a primary stator winding...
5435894 Process and apparatus for improving quality of water  
The invention provides a process and apparatus for improving the quality of water in an easy manner and with reasonable cost and high efficiency. The process provides a grounding electrode and a...
5376242 Method of cleaning water and apparatus therefor  
There are provided a method and apparatus for cleaning contaminated water, for instance in lakes, marshes, rivers and waste water reservoirs in factory site. A set of fiat electrodes is immersed in...
5352346 Current generation and control systems for electrolytic vat  
A current generation and control system for electrolytic processes in an electrolytic vat in which two autotransformers are provided each having a primary part coupled to a regulator for adjusting...
5344539 Electrochemical fine processing apparatus  
An electrochemical fine processing apparatus for electrochemically performing an adding processing and a removing processing of a substance such as a metal or a polymer in a solution in order to...
5271818 Apparatus for roughening a substrate for photosensitive layers  
A mechanically roughened substrate is conveyed through an electrolytic bath and is given a superposed electrochemical roughening, which is carried out by means of electrodes which are arranged in...
5178742 Method of and apparatus for forming a micromelt structure on an electrically-conductive probe tip  
A micromelt structure is provided on a probe tip by contacting the probe tip with a foil of the material from which the micromelt structure is to be formed and passing an electric current through...
5141602 High-productivity method and apparatus for making customized interconnections  
An apparatus and method for plating metal on a conductor and/or across gaps on insulating substrates is described incorporating two probes, a probe positioner, first circuitry for applying...
5112453 Method and apparatus for producing etched plates for graphic printing  
There is provided an apparatus and a process for using same for etching a metallic object (22), suitably a plate to prepare a metallic printing plate. The object is partially covered by a resist...
5102520 Electrolytic etching process and apparatus  
There is provided an apparatus and a process for using same for etching a metallic object, suitably a plate to prepare a metallic printing plate. The object is partially covered by a resist surface...
5091152 Apparatus for electrically destroying targeted organisms in fluids  
The invention pertains to a method and apparatus for destroying a predetermined living organism in fluid, whereby a predetermined current having a specific waveform and frequency is applied to the...
5041198 Method and an apparatus for the electrochemical roughening of a metallic surface  
In order to perform the electrochemical roughening of the surface of preferably strip-like metal substrate for the production of printing plates or the like so that the surface is free of smuts and...
5034110 Pool chlorinators  
A self cleaning electrolytic chlorinator for swimming pools and water treatment plants comprises a low voltage D.C. power supply unit which cyclically reverses the polarity at the electrodes to...
5013417 Water purifier  
A water purifier including a floating body having two parallel disk shaped electrodes extending into the water. The polarity between the disks is alternated at predetermined intervals to avoid...
4992155 Circuitry for the electrolytic coloring of anodized aluminum surfaces  
A process and circuitry for the electrolytic coloring of an anodized article of aluminum or aluminum alloy in a coloring bath containing at least one metal salt for coloring the article. The...
4936957 Thin film oxide dielectric structure and method  
A metallic oxide such as aluminum oxide of significantly improved electrical properties is disclosed. The method of oxide formation includes a combination of soft porous anodization followed by...
4915801 Process for the electrolytic coloring of anodized aluminum surfaces  
A process and circuitry for the electrolytic coloring of an anodized article of aluminum or aluminum alloy in a coloring bath containing at least one metal salt for coloring the article. The...
4879018 Low voltage anodizing process and apparatus  
A low voltage anodizing process for anodic oxidation of metals in which are used: (i) an anodizing bath containing an electrolyte, an anode and a cathode; and (ii) and AC fed DC power supply for...
4839002 Method and capacitive discharge apparatus for aluminum anodizing  
An improved electrical power control apparatus and method for use in an aluminum anodizing system includes a pulsed DC power supply and an automatic switchable shunt discharge unit connected in...
4820387 Method and apparatus for making the inner crowns of composite-layered crowns for restoring crowns  
In a method and apparatus for making an inner crown of a composite-layered crown for the restoration of crowns, said inner crown being composed mainly of a noble metal, an electrically conductive...
4798661 Gas generator voltage control circuit  
A power supply in a system utilizing as a source of fuel a generator for separating hydrogen and oxygen gasses from natural water and having the capabilities to control the production of gasses by...
4797186 Method and apparatus for operating a fuel cell in combination with an electrochemical cell to produce a chemical product  
A method and apparatus is disclosed for operating a fuel cell 14 which produces electrical energy in combination with an electrochemical cell 12 which uses electrical energy to produce a chemical...
4795537 Electrical conditioning system for electrodes in an electrolysis cell  
Metal electrodes (17,20) defining a cathode and anode are positioned in an electrolyte (28) so as to comprise an electrolysis cell (18). An electrical conditioning circuit (10) includes means for...
4781810 Advanced chlorine generating system  
A chlorine generating apparatus is disclosed herein by which chlorine gas or sodium hyperchlorite is generated in small quantities from a brine solution economically enough to be practical for use...
4762598 Electrolytic metal recovery  
Electrolytic recovery of silver metal is accomplished by application of a direct current with controlled ripple such that for any concentration of silver in the electrolyte, the instantaneous...
4734176 Pulsed ion generator for water purification system  
An electrolysis water purification system employs a fixed magnitude ionization current source the output of which is effectively pulse-width modulated, by controlled switching of the connection of...
4668364 Portable electroplating apparatus  
A portable electroplating apparatus (10) includes a case (12) having a plurality of containers (18, 20, 22, 24 and 26) in the case (12) for a plating solution and for preparing metal objects for...
4663006 Cyclic controlled electrolysis  
Method and apparatus for cyclic control of both potential and current in electrolysis, called Cyclic, Controlled-potential, controlled current Electrolysis. The method can be used with a...
4663004 Electrochemical conversion using alternating current and semiconductor electrodes  
A method for electrochemical converting reactants to products includes cycling alternating electrical current to an electrode containing a non-degenerate semiconductor material in an...
4608138 Electrolytic method and apparatus  
An electrolytic apparatus for applying a voltage to a workpiece (1) and a counter electrode (5) both immersed in an electrolyte (3) contained in a vessel (4) thereby processing the workpiece (1)...
4599158 Circular coil electrolysis apparatus  
This disclosure relates to a simple electrolysis apparatus utilizing no physical electrical connecting means to an array of electrodes. The apparatus comprises an array of electrode plates aligned...
Matches 1 - 50 out of 101 1 2 3 >