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Class 204/229.9 - Having auxiliary electrode


Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Apparatus having another electrode in addition to at least
No. of patents: 12
Last issue date: 12/01/2009


NumberTitleIssue Date
7625469Nanoelectrode array for electrochemical analysis
A nanoelectrode array comprises a plurality of nanoelectrodes wherein the geometric dimensions of the electrode controls the electrochemical response, and the current density is independent of time. By combining a massive array of nanoelectrodes in parallel, the cur...
12/01/2009
7438853Photoelectrocatalytic method and photoelectrochemical detector for electrochemical analysis
A photoelectrocatalytic method for detecting current that illuminates a photoelectrochemical electrode to generate a photocurrent and to magnify the current. Thereby, accuracy of the detection is increased. A photoelectrochemical detector used in the method has a ba...
10/21/2008
7393504Flow injection electrochemical detecting device
A flow injection electrochemical detecting device has a base (10), a cover pivotally mounted on the base (10), and a locking device attached between the base (10) and the cover (20). The base (10) has a recess (12) defined i...
07/01/2008
7211175Method and apparatus 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 features du...
05/01/2007
7067048Method to improve the control of electro-polishing by use of a plating electrode an electrolyte bath
A method and apparatus which uses a plating electrode in an electrolyte bath. The plating electrode works to purify an electrolyte polishing solution during the electro-polishing process. Preferably, the plating electrode is employed in a closed loop feedback system...
06/27/2006
7045443Method for manufacturing semiconductor device, semiconductor device, circuit board, and electronic apparatus
A method is provided for manufacturing a semiconductor device, a semiconductor device, a circuit board, and an electronic apparatus. In such a semiconductor device, semiconductor chips can be readily aligned when they are stacked and terminals can be prevented from ...
05/16/2006
6669833Process and apparatus for electroplating microscopic features uniformly across a large substrate
A process and apparatus are provided for electroplating a film onto a substrate having a top side including a plating surface includes the following steps. Provide a plating tank with an electroplating bath. Provide an anode in the bath. Place a substrate...
12/30/2003
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
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
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
5951844Process and apparatus for desilvering a silver-containing solution
An apparatus for de-silvering silver-containing solutions comprises an electrolytic cell (10) having an anode (20), a cathode (30) and a reference electrode (45) positioned adjacent the cathode (30), and electrical power supply control means (41) for cont...
09/14/1999
 
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