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Class 204/230.7 - Having auxiliary electrode


Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Apparatus having at least one electrode in addition to
No. of patents: 59
Last issue date: 05/22/2012


1    
NumberTitleIssue Date
8182656Electrolyzing device
An electrolyzing device is capable of removing scales adhered to a cathode in an electrolyzing mode without deteriorating an electrode forming an anode. An electrolyzing device includes a first main electrode 3, a second main electrode 4, an aux...
05/22/2012
8177944Plating apparatus and plating method
A plating apparatus can form a bump having a flat top or can form a metal film having a good in-plane uniformity even when the plating of a plating object (substrate) is carried out under high-current density conditions. The plating apparatus includes a plating tank...
05/15/2012
7981259Electrolytic capacitor for electric field modulation
A method and apparatus for adjusting an electric field of an electrochemical processing cell are provided. In one embodiment, a capacitive element is disposed in the processing solution. The strength, shape, or direction of the electric field in the processing solut...
07/19/2011
7846306Apparatus and method for improving uniformity in electroplating
A method and apparatus for plating a metal onto a substrate. One embodiment of the present invention provides an apparatus for electroplating a substrate. The apparatus comprises a fluid basin, an anode disposed near a bottom of the fluid basin, a restrictor dispose...
12/07/2010
7727364Auxiliary electrode encased in cation exchange membrane tube for electroplating cell
A method and apparatus for plating a metal onto a substrate. One embodiment of the invention provides an apparatus for electrochemically plating a substrate. The apparatus comprises a fluid basin configured to retain a plating solution therein, an anode assembly dis...
06/01/2010
7615138Electrolysis apparatus with pulsed, dual voltage, multi-composition electrode assembly
An electrolysis system (100) is provided. In addition to an electrolysis tank (101) and a membrane (105) separating the tank into two regions, the system includes at least one pair of low voltage electrodes (115/117) of a first type compr...
11/10/2009
7566386System for electrochemically processing a workpiece
A reactor for electrochemically processing at least one surface of a microelectronic workpiece is set forth. The reactor comprises a reactor head including a workpiece support that has one or more electrical contacts positioned to make electrical contact with the mi...
07/28/2009
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
7410561Three-electrode metal oxide reduction cell
A method of electrochemically reducing a metal oxide to the metal in an electrochemical cell is disclosed along with the cell. Each of the anode and cathode operate at their respective maximum reaction rates. An electrolyte and an anode at which oxygen can be evolve...
08/12/2008
7359113Semiconductor optical amplifier having a non-uniform injection current density
A semiconductor optical amplifier (SOA) with efficient current injection is described. Injection current density is controlled to be higher in some areas and lower in others to provide, e.g., improved saturation power and/or noise figure. Controlled injection curren...
04/15/2008
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
7332062Electroplating tool for semiconductor manufacture having electric field control
An electroplating tool for providing a metal or metal film on a semiconductor wafer during processing thereof has a wafer chucking mechanism with a conductor or conductors associated therewith. The conductor(s) are electrically connected to a controller that applies...
02/19/2008
7323094Process for depositing a layer of material on a substrate
An electroplating system (30) and process makes electrical current density across a semiconductor device substrate (20) surface more uniform during plating to allow for a more uniform or tailored deposition of a conductive material. The electrical curr...
01/29/2008
7150816Apparatus and method for deposition of an electrophoretic emulsion
The present invention provides a system that enables the use of electrophoretic resists in the microfabrication industry for the production of microelectronic devices and is of sufficiently high quality to be used as a replacement for, or supplement to, current phot...
12/19/2006
7147765Apparatus and method for deposition of an electrophoretic emulsion
The present invention provides a system that enables the use of electrophoretic resists in the microfabrication industry for the production of microelectronic devices and is of sufficiently high quality to be used as a replacement for, or supplement to, current phot...
12/12/2006
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
7005268Detection of biopolymers utilizing photo-initiated charge separation
A method for detecting the presence of target molecules bound to a working electrode in a first location. The first location is coated with a detection solution containing labeling molecules that include a first charge-separation moiety attached to a first molecule ...
02/28/2006
6994776Method and apparatus for low temperature annealing of metallization micro-structure in the production of a microelectronic device
A method for filling recessed microstructures at a surface of a microelectronic workpiece, such as a semiconductor wafer, with metallization is set forth. In accordance with the method, a metal layer is deposited into the microstructures with a process, such as an e...
02/07/2006
6969619Full spectrum endpoint detection
A method of endpoint detection during plasma processing of a semiconductor wafer comprises processing a semiconductor wafer using a plasma, detecting radiation emission from the plasma during the semiconductor processing, and tracking data points representing change...
11/29/2005
6921468Electroplating system having auxiliary electrode exterior to main reactor chamber for contact cleaning operations
A system for electroplating a semiconductor wafer is set forth. The system comprises a first electrode in electrical contact with the semiconductor wafer and a second electrode. The first electrode and the semiconductor wafer form a cathode during electroplating of ...
07/26/2005
6887368Method and device for electroextraction of heavy metals from technological solutions and wastewater
The basic principles of the method for heavy metals electroextraction from technological solutions and wastewater includes pretreating to remove Chromium-6 and high concentrations of heavy metals and periodically treating in a six-electrode bipolar cylindrical elect...
05/03/2005
6827827Metal plating apparatus and process
In order to make plating thickness uniform in a metal plating apparatus, a metal plating apparatus capable of performing metal plating to a uniform thickness is provided by aligning lines of electric force uniformly and in parallel by disposing a pair of conductive ...
12/07/2004
6663758Method and apparatus for producing electrolytic copper foil
An electrolytic copper foil is electrodeposited onto the cathodic drum surface of a rotating cathode drum by feeding an electrolytic solution between the cathode drum and an anode facing each other and applying direct current between them, while the initi...
12/16/2003
6562204Apparatus for potential controlled electroplating of fine patterns on semiconductor wafers
Controlled-potential electroplating provides an effective method of electroplating metals onto the surfaces of high aspect ratio recessed features of integrated circuit devices. Methods are provided to mitigate corrosion of a metal seed layer on recessed ...
05/13/2003
6554976Electroplating apparatus
A method of electroplating an object to be plated attached to a lower portion of a plating bath constituted by draining used plating solution and supplying new plating solution at every plating procedure. The method has a step of supplying additional curr...
04/29/2003
6425991Plating system with secondary ring anode for a semiconductor wafer
An electroplating system is provided for seed layer covered semiconductor wafers. A plating chamber is provided with an inert primary anode connectible to a positive voltage source and a semiconductor wafer connector connectible to a negative voltage sour...
07/30/2002
6413389Method for recovering metal from etch by-products
A method and assembly for recovering a metal from by-products produced from etching a metal (e.g., platinum, iridium, aluminum, etc.) in a plasma processing chamber. The method includes recovering from the plasma processing chamber a deposit of the by-pro...
07/02/2002
6274023Apparatus and method for electroplating wafers, substrates and other articles
A plating apparatus and methodology is disclosed that is particularly useful in improving the plating rate, improving the plating of via holes, improving the uniformnity of the plating deposition across the surface of the wafer, and minimizing damage to t...
08/14/2001
6261433Electro-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 ...
07/17/2001
6207037Recovery of metal from solution
Recovery of silver from a photographic fixer solution in an electrolytic cell is controlled so as to maintain a high current efficiency whilst minimizing unwanted side effects. The difference between plating voltages when operating at two different curren...
03/27/2001
6168693Apparatus for controlling the uniformity of an electroplated workpiece
An electroplating system for plating at least one metal on at least one substrate. At least one plating tank contains a plating solution including the at least one metal to be plated on the at least one substrate. At least one anode is arranged in the at ...
01/02/2001
6126794Apparatus for producing orthohydrogen and/or parahydrogen
An apparatus for producing orthohydrogen and/or parahydrogen. The apparatus includes a container holding water and at least one pair of closely-spaced electrodes arranged within the container and submerged in the water. A first power supply provides a par...
10/03/2000
6071385Racking fixture for electrochemical processing
The present invention relates to a racking fixture for holding components while they are electro-chemically processed. The fixture includes at least one shelf for holding the components and is electrically connected to a bus bar. A motor is mechanically e...
06/06/2000
6071399Electrolytic cell
An electrolytic cell comprises a housing (12), means (21) defining a liquid level (25) in said housing (12), a first contact surface (32) positioned above said liquid level (25) for making contact with a removable electrode (20) when positioned in said ho...
06/06/2000
5935392Electrodes 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 oxide is iridium oxide. A method of making the electrode inc...
08/10/1999
5885434Method and apparatus for performing fine working
A method for performing fine working of a material by electrochemical reaction comprises a two-step scanning operation in which a surface topography of the material is obtained during a first scan which is used to control the position of a probe during a ...
03/23/1999
5833819Copper foil for a printed circuit board, a process and an apparatus for producing the same
This invention provides a process for producing an electrolytic copper foil for a printed wiring board by supplying current between a rotary cathode and an electrolytic anode in a copper electrolyte so as to electrodeposit copper on the surface of the rot...
11/10/1998
5723028Electrodeposition apparatus with virtual anode
An electrochemical etching step in a semiconductor device fabrication process increases the radius of curvature of edges of metal lines deposited on the semiconductor device. The metal lines are fabricated by forming a mask, electrodepositing the metal, a...
03/03/1998
5516412Vertical paddle plating cell
An electroplating cell includes a floor, ceiling, front wall, and back wall forming a box having first and second opposite open ends. A rack for supporting an article to be electroplated is removably positioned vertically to close the first open end and i...
05/14/1996
5441620Electroplating apparatus
An electroplating apparatus carries out an electroplating on a work by using an insoluble anode for keeping the electrolyte clean, and, thereafter, makes up ionized metal into the electrolyte by respectively connecting a soluble anode and the insoluble an...
08/15/1995
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