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Class 204/230.2 - With current, voltage, or power control means


Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Apparatus having means for controlling current, voltage,
No. of patents: 148
Last issue date: 04/17/2012


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NumberTitleIssue Date
8157971Electronic pool water treatment system
An electronic water treatment apparatus includes an electronic impulse generator and control box attached to a power source. An impulse chamber includes a cylindrical anode rod inside a tubular cathode and is connected to the impulse generator and control box with a...
04/17/2012
8152973Cleaning device for heat exchanger
There is disclosed a cleaning device for a heat exchanger which safely and effectively cleans the heat exchanger and which can sufficiently obtain a deodorizing effect and a sterilization effect. The cleaning device for the heat exchanger includes an electrolysis un...
04/10/2012
8007642Electrochemical gas generator for combustible gases
An electrochemical gas generator is provided with an electrolysis cell (1) with a housing, which is closed by a gas-permeable membrane (2) for the escape of the test or calibrating gas. A cathode (5) is provided formed of a noble metal, a mixtur...
08/30/2011
7951273Electrochemical gas generator for carbon monoxide
An electrochemical gas generator is provided including an electrolysis cell (1) with a gas-impermeable housing, which is closed by a gas-permeable membrane (2) for the discharge of the test gas or calibrating gas CO. A chemically inert cathode (5
05/31/2011
7879206System for interphase control at an electrode/electrolyte boundary
An anode and cathode for an electrolytic cell are configured as a low inductance transmission line to enable control of an interphase at an electrode surface. The anode and cathode are coupled to a switched current source by a low inductance path that include a para...
02/01/2011
7682492Electrocoagulation system
An electrocoagulation device for removal of contaminants from a treatment stream including an elongated fluid treatment path in contact with a plurality of electrode plates, and a power supply electrically connected to the plates, wherein the device is configured so...
03/23/2010
7655118Electrolytic processing apparatus and method
This invention relates to an electrolytic processing apparatus and method useful for processing a conductive material formed in the surface of a substrate, or for removing impurities adhering to the surface of a substrate. An electrolytic processing apparatus, inclu...
02/02/2010
7569124Anodic oxidation apparatus
In an anodic oxidation apparatus and an anodic oxidation method and a panel for a display device manufactured by them, a large target substrate is treated by a smaller component. The anodic oxidation apparatus includes a lamp which emits light; a treatment bath whic...
08/04/2009
7438788Apparatus and methods for electrochemical processing of microelectronic workpieces
An apparatus and method for electrochemical processing of microelectronic workpieces in a reaction vessel. In one embodiment, the reaction vessel includes: an outer container having an outer wall; a distributor coupled to the outer container, the distributor having ...
10/21/2008
7431819Method and apparatus for releasing metal-resin joint
A method for separating a metal-resin joint including the steps of: (1) immersing an article including a metal-resin joint with a counter electrode in an alkaline solution; and (2) applying a voltage over a certain time period between the metal portion of the joint ...
10/07/2008
7427337System for electropolishing and electrochemical mechanical polishing
An apparatus for electropolishing a conductive layer on a wafer using a solution is disclosed. The apparatus comprises an electrode assembly immersed in the solution configured proximate to the conductive layer having a longitudinal dimension extending to at least a...
09/23/2008
RE40218Electro-chemical deposition system and method of electroplating on substrates
The invention provides an apparatus and a method for achieving reliable, consistent metal electroplating or electrochemical deposition onto semiconductor substrates. More particularly, the invention provides uniform and void-free deposition of metal onto metal seede...
04/08/2008
7351313Production device and production method for conductive nano-wire
The object of the present invention is to provide a nano-scale molecular assembly such as a conductive nano-wire. Specifically, there is provided an electrolytic apparatus for forming a molecular assembly, including two electrodes and an electrolytic cell holding an...
04/01/2008
7335291Water treating method, water treating apparatus, and hydroponics system using the apparatus
There are provided a water treating method and water treating apparatus which can significantly improve an effect of eliminating microorganisms contained in water intended for drinking and cooking or waster water and a hydroponics system using the apparatus. The met...
02/26/2008
7325392Control 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
7311809Plating apparatus for substrate
The present invention provides a plating apparatus for a substrate which can plate a substrate under uniform pressure without increasing a load to be applied while holding the entire surface of a porous member in contact with the surface, to be plated, of the substr...
12/25/2007
7288180Electric 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
7273535Insoluble anode with an auxiliary electrode
A method and apparatus for plating a metal onto a substrate. The apparatus includes a fluid basin configured to contain a plating solution, an anode fluid volume positioned in a lower portion of the fluid basin, a cathode fluid volume positioned in an upper portion ...
09/25/2007
7270314Method for treating a fluid to increase oxygen concentration and reduce surface tension using a direct current generator or an electromagnetic field generator
A method for treating a fluid to increase oxygen content while reducing surface tension. The first step is flowing a fluid into a surface tension modification device at a first pressure and applying a direct current or an electromagnetic wave to modify a physical ch...
09/18/2007
7267762Fluid treatment system apparatus and method
A fluid treatment system for reducing odor, bacteria, and biological oxygen demand from a fluid having at least one tube, a control box, and a pump. The at least one tube has a plurality of conductors in electrical communication with the control box. The control box...
09/11/2007
7264712Fluid treatment system apparatus and method
A fluid treatment system for reducing odor, bacteria, and biological oxygen demand from a fluid having at least one tube, a control box, and a pump. The at least one tube has a plurality of conductors in electrical communication with the control box. The control box...
09/04/2007
7260457Secondary power supply for telematics terminal
The present invention provides a secondary power supply for the telematics terminal. A secondary power supply for a telematics terminal including. a power control unit for controlling a power supply based on a power control signal of the telematics terminal and/or a...
08/21/2007
7254938Power 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
7252900Combination fuel cell and ion pump, and methods and infrastructure systems employing same
A combination fuel cell and hydrogen or oxygen pump includes an electrochemical cell comprising an anode inlet for receiving fuel, an anode outlet for exhausting fuel, a cathode inlet for receiving oxidant, a cathode outlet for exhausting oxidant, and first and seco...
08/07/2007
7247557Method and composition to minimize dishing
Processes are disclosed for producing electronic interconnect devices, particularly semi-conductor wafers, with metal interconnect traces thereon wherein the surface of said device has improved planarity. Said planarity is achieved initially through the use of pulse...
07/24/2007
7244357Pumps 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
7217345Cathode guidance and perimeter deposition control assembly in electro-metallurgy cathodes
Production of pure metals through electro-winning and electro-deposition is accomplished by electrolytic deposition of metal over a reusable stainless-steel plate (cathode). Metal is deposited on both faces of the cathode, as well as on its edges, creating problems ...
05/15/2007
7204916Plating apparatus and plating method
A plating apparatus for performing a plating process for plating a surface of a substrate. This plating apparatus is provided with a first electrode to be brought into contact with a peripheral edge portion of the substrate; a plating vessel for containing a plating...
04/17/2007
7168465Electrochemical cell system, hydrogen dispensing apparatus, and method for dispensing hydrogen
Disclosed herein are mobile hydrogen gas dispensing apparatus, and methods for dispensing hydrogen gas. In one embodiment, the mobile hydrogen gas dispensing apparatus comprises a first outlet and a second outlet. The first outlet comprises a first valve, a first hy...
01/30/2007
7169283Anodization device and anodization method
In an anodization apparatus and an anodization method for electrochemically treating a target substrate by irradiating the target substrate with light, treatment of a large target substrate can be made possible with smaller constituent elements. The electrical conta...
01/30/2007
7160434Therapeutic 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
7160421Turning 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 parameters in accordance with either a mathematical model of the processing ...
01/09/2007
7153410Methods and apparatus for electrochemical-mechanical processing of microelectronic workpieces
Methods and apparatuses for electrochemical-mechanical processing of microelectronic workpieces. One embodiment of an electrochemical processing apparatus in accordance with the invention comprises a workpiece holder configured to receive a microelectronic workpiece...
12/26/2006
7147760Electroplating apparatus with segmented anode array
An electroplating apparatus includes a reactor vessel having a segmented anode array positioned therein for effecting electroplating of an associated workpiece such as a semiconductor wafer. The anode array includes a plurality of ring-like anode segments which are ...
12/12/2006
7138014Electroless deposition apparatus
An apparatus and a method of depositing a catalytic layer comprising at least one metal selected from the group consisting of noble metals, semi-noble metals, alloys thereof, and combinations thereof in sub-micron features formed on a substrate. Examples of noble me...
11/21/2006
7138042Alternating-polarity operation for complete regeneration of electrochemical deionization system
An electrically regeneratable battery of electrochemical cells for capacitive deionization (including electrochemical purification) and regeneration of electrodes is operated at alternate polarities during consecutive cycles. In other words, after each regeneration ...
11/21/2006
7135099Water treating method and water treating system
In a circulation system of treatment-object water (waste water), a water treating apparatus and a pH adjuster are provided. A carbon fiber that can collect at least microorganisms is disposed in the water treating apparatus. The carbon fiber is immersed in the treat...
11/14/2006
7001493Apparatus for preparing sterilizing water and process for sterilizing water
The present invention provides an apparatus for preparing sterilizing water, which comprises an electrolyzer wherein an anode chamber (10) and a cathode chamber (20) partitioned by an ion exchange membrane (40) form a unit cell (A), being altern...
02/21/2006
6998029Anodic 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
6991526Control of removal profile in electrochemically assisted CMP
Aspects of the invention generally provide a method and apparatus for polishing a substrate using electrochemical deposition techniques. In one aspect, an apparatus for polishing a substrate comprises a counter-electrode and a pad positioned between a substrate and ...
01/31/2006
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