Patents for B23H 3 - Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte (1,991)
03/2006
03/02/2006US20060042956 electrochemical-mechanical polishing; forming a copper-organic complex at the interface between the second layer and the electrolytic medium while retaining electrolytic properties of the second layer; complex having a limited solubility in the electrolytic medium
03/02/2006US20060042932 Apparatus and method for electroplating a workpiece
03/02/2006DE202005020113U1 Werkzeug Tool
03/02/2006DE102004040217A1 Elektrode zum elektrochemischen Senken Electrode for electrochemical sinks
02/2006
02/23/2006US20060040148 Method of treating composite plates
02/16/2006DE102004035492A1 Vorrichtung und Verfahren zur elektrochemischen Mikrobearbeitung eines Werkstückes Apparatus and method for electrochemical micromachining of a workpiece
02/09/2006WO2006012852A1 Method for producing aerodynamic structures during the production of integrally bladed gas turbine rotors
02/09/2006US20060027459 Mesoporous silicon infrared filters and methods of making same
02/09/2006DE19960790B4 Elektrode zum elektrochemischen Feinbohren von Werkstücken sowie Verfahren zu ihrer Herstellung Electrode for electrochemical fine-boring workpieces, as well as processes for their preparation
02/09/2006DE19534277B4 Verfahren und Vorrichtung zur Reinigung des Elektrolyten eines elektro-chemischen Bearbeitungsprozesses Method and device for cleaning of the electrolyte of an electrochemical machining process,
02/09/2006DE10237324B4 Verfahren zur Herstellung einer Elektrode für die elektrochemische Bearbeitung eines Werkstücks und nach dem Verfahren hergestellte Elektrode A process for producing an electrode for electrochemical machining of a workpiece and electrode produced according to the process
02/02/2006WO2006010398A1 Device and method for electrochemical micromachining of a workpiece
01/2006
01/31/2006US6991528 Polishing article for processing a substrate comprises a fabric layer having a conductive layer disposed thereover. The conductive layer has an exposed surface adapted to polish a substrate. The fabric layer may be woven or non-woven. The
01/25/2006EP1617938A2 Control system for catalytic processes
01/19/2006US20060011492 Method for machining workpieces using a machining process in particular an electrochemical machining process
01/19/2006DE102004032284A1 Material removing device for work piece e.g.plate, has electrode arranged at area of tool and designed by electrode units, which are temporarily movable from rest position into drive position by drives
01/19/2006DE102004032281A1 Electrochemical assembly for the manufacture of e.g. automotive components has height-adjustable electrodes
01/19/2006DE102004032280A1 Electro chemical machining device for vehicle construction, has adjustable gap formed between electrode at working position and workpiece, and electrolytic solution is filled in gap for removing material from workpiece upper surface
01/19/2006DE102004030762A1 Verfahren zur Herstellung eines Ventilkörpers für ein Kraftstoffventil A process for producing a valve body for a fuel valve
01/12/2006US20060006073 System and method for electrochemical mechanical polishing
01/12/2006US20060006071 Reducing defects; adjust bioas voltage, current; overcoating substrate with metal seed layer
01/05/2006US20060000716 Tuning electrodes used in a reactor for electrochemically processing a microelectronic workpiece
01/05/2006DE102004028658A1 Composite electrochemical machining electrode has electrode ends exposed on surface of cast non-electrically conducting block
01/04/2006CN1714974A Apparatus and method for white layer and recast removal
12/2005
12/29/2005US20050286268 Power conversion system and method
12/22/2005US20050279645 Process for electrolytic derusting of ferrous materials using natural seawater
12/22/2005DE102004032201B3 Electrochemical erosion machining of sealing surfaces for intermediate plate in fuel injector involves electrode accurately shaped to make negative mold of intricate three-dimensional surface
12/21/2005EP1607497A2 Apparatus and method for white layer and recast removal
12/15/2005WO2005072899A8 Method of producing channels in a fuel injection device, electrode adapted for said method and device thus obtained
12/15/2005US20050274626 Polishing pad and polishing method
12/08/2005US20050269212 Method of making rolling electrical contact to wafer front surface
12/08/2005DE102004040216B3 Elektrode und Verfahren zur elektrochemischen Bearbeitung eines Werkstücks Electrode and method for the electrochemical machining of a workpiece
12/01/2005US20050263406 Polishing pad for electrochemical mechanical polishing
11/2005
11/30/2005CN1702840A Polishing pad for electrochemical mechanical polishing
11/23/2005CN1699006A Electrochemical machining process for array micro type hole
11/22/2005US6968290 Electrochemical machining tool assembly and method of monitoring electrochemical machining
11/10/2005WO2005105356A2 Electrochemical mechanical planarization process and apparatus
11/10/2005DE102004019543A1 Production of a through-opening in a workpiece e.g. injection nozzle comprise placing a tool electrode through the workpiece in the outlet region of the through-opening using a through-opening recognition unit and further processing
10/2005
10/26/2005CN2736087Y Three dimensional superfine generating electrochemical machining device
10/26/2005CN1686651A Method of thinning surface plasma resonance gold film
10/20/2005US20050230266 without removing metal from remaining portion of metallic alloy stent; mounting stent ring in hollow metallic mandrel having a tubular wall then covering (heat shrinking) the first portion of ring and the mandrel with a polymer coating; selectively removing metal from surfaces the second portion of ring
10/13/2005US20050224340 System for electrochemically processing a workpiece
10/06/2005WO2005072899A3 Method of producing channels in a fuel injection device, electrode adapted for said method and device thus obtained
10/06/2005US20050218010 Chelating agents, corrosion inhibitors, a suppresor, a solvent, a passivating polymer, and inorganic acid based electrolyte; minimal damage to the substrate during planarization; microelectronics
10/06/2005US20050218009 Electrochemical planarization system and method of electrochemical planarization
10/05/2005CN1676257A Three-dimension micro-expansion electrolysis processing method and apparatus
09/2005
09/28/2005EP1381717B1 Method and device for machining workpieces by electrochemically removing material
09/22/2005US20050205432 Method, an apparatus, a control system and a computer program to perform an automatic removal of cathode depositions during a bipolar electrochemical machining
09/22/2005DE102004004991A1 Workpiece processing method, involves inserting workpiece into negatively poled tool using holding device, and directly bringing workpiece in connection with positively poled contact
09/01/2005US20050189227 Tuning electrodes used in a reactor for electrochemically processing a microelectronic workpiece
08/2005
08/31/2005CN1217034C Workpiece processor having processing chamber with improved processing fluid flow
08/25/2005US20050183963 thiol or disulfide with a sulfo, carboxyl, quaternary ammonium or amino ion exchange group is chemically bonded to surface of gold, silver, platinum, copper, gallium arsenide, cadmium sulfide or indium oxide; stable processing performance and flexibly, cope with small electrodes and various shapes
08/18/2005US20050178672 electropolishing a metallic film formed on a substrate by passing an electric current to the metallic film; current passing electrode is used in non-contact state and no pressure is exerted on inter-layer insulation film at the time of passing the electric current, breakage of inter-layer insulation film
08/18/2005US20050178671 applying electrical machining pulses between the work piece and an electrically conductive electrode while electrolyte is supplied between the work piece and the electrode; for determining an actual gap dimension between an electrode and a work piece
08/17/2005CN1654148A Electric spark machining liquid storage case device for treatment fluid containing addition agent
08/11/2005WO2005072899A2 Method of producing channels in a fuel injection device, electrode adapted for said method and device thus obtained
08/11/2005WO2005008806A3 Photoelectrolysis of water using proton exchange membranes
08/04/2005US20050167274 Automatic process control; using facility for automatically selecting and refining electrical parameters for processing a microelectronic workpiece
08/04/2005US20050167273 Automatic process control; using facility for automatically selecting and refining electrical parameters for processing a microelectronic workpiece
08/04/2005US20050167265 System for electrochemically processing a workpiece
07/2005
07/27/2005CN1646264A Methods and apparatus for electrochemical-mechanical processing of microelectronic workpieces
07/27/2005CN1644288A Fine electrolytic machining tool
07/27/2005CN1212651C Electrolysis polishing method
07/27/2005CN1212214C Technique for electrolysis processing fine slits and its device
07/21/2005WO2005065021A2 Texturing a semiconductor material using negative potential dissolution (npd)
07/21/2005DE10360080A1 Verfahren und Vorrichtung zum Abtragen von metallischem Material eines Werkstücks Method and apparatus for the removal of metallic material of a workpiece
07/14/2005US20050150776 Electrolytic etching method and apparatus
07/14/2005DE10358503A1 Laufverzahnung und Herstellungsverfahren für eine solche Running gear and manufacturing method for such a
07/13/2005EP1152860B1 Electrode for electrochemically fineboring workpieces and method for producing the same
07/12/2005US6916409 Apparatus and process for electrolytic removal of material from a medical device
07/07/2005US20050148198 Texturing a semiconductor material using negative potential dissolution (NPD)
07/07/2005US20050145507 Amines, amides, carboxylate, dicarboxylate or tri-carboxylate groups containing chelating agents, a substituted or unsubstituted benzotriazole or a polymeric corrosion resistance agent, sodium hydroxide or ammonium hydroxide as pH adjuster, a solvent
07/07/2005US20050145506 Electrochemical etching of circuitry for high density interconnect electronic modules
07/05/2005US6913683 Method and device for the production of pipe segments from a hollow pipe
06/2005
06/30/2005DE10355802A1 Reactor for electrochemical machining or coating of a workpiece involving production of a voltage between the workpiece and electrode generally useful electrochemical machining or coating of metal workpieces
06/23/2005WO2005057052A1 Toothed gearing and method for the production thereof
06/23/2005US20050133378 Using flow of current between an electrode and workpiece in presence of an electrolyte; relative movement occurs between electrode and workpiece as a function of time
06/16/2005US20050126932 Method and apparatus for semiconductor wafer planarization
06/16/2005US20050126925 Drive head and ECM method and tool for making same
06/16/2005DE10355800A1 Surface analysis and working procedure for burr removal measures voltage current relationship to control material removal from machined surfaces
06/08/2005CN1623716A Electrochemical machining method, tool assembly, and monitoring method
06/02/2005US20050115838 Electrolytic processing apparatus and method
05/2005
05/31/2005US6899804 Electrolyte composition and treatment for electrolytic chemical mechanical polishing
05/26/2005US20050109633 System for electrochemically processing a workpiece
05/26/2005US20050109629 Reactor for electrochemically processing at least one surface of a microelectronic workpiece; positioning contactors; concentric anodes; nozzles; electroplating; uniform deposition of the electroplated material
05/26/2005US20050109628 Reactor for electrochemically processing at least one surface of a microelectronic workpiece; positioning contactors; concentric anodes; nozzles; electroplating; uniform deposition of the electroplated material
05/26/2005US20050109625 Reactor for electrochemically processing at least one surface of a microelectronic workpiece; positioning contactors; concentric anodes; nozzles; electroplating; uniform deposition of the electroplated material
05/19/2005US20050103330 Process of manufacturing drug delivery sprayheads
05/12/2005US20050098445 Electrochemical machining method, tool assembly, and monitoring method
05/11/2005EP1529588A2 Electrochemical machining method, tool assembly, and monitoring method
05/04/2005CN1612790A Automated machine control gap for conical fluid dynamic bearing ECM grooving
04/2005
04/28/2005US20050087450 For thinning layer on semiconductor/integrated circuit substrate, without damaging underlying layer
04/26/2005US6884330 Counter plate electrode with self adjusting z-axis
04/21/2005US20050084379 Compressor blade root for engine blades of aircraft engines
04/21/2005US20050082173 Method for manufacturing an electrode for the electrochemical machining of a workpiece and an electrode manufactured according to this method
04/21/2005US20050082165 Electro-chemical machining apparatus
04/14/2005US20050079083 Progressive cavity pump/motor stator, and apparatus and method to manufacture same by electrochemical machining
04/14/2005US20050077189 Electrochemical machining, and specifically, trepan machining of outside contours on long bars such as bars up to seven or more meters long; for example, rotors in a progressive cavity device such as a progressive cavity motor or progressive cavity pump
04/13/2005EP1522367A2 ECM trepan of bars
04/13/2005EP1522366A1 Progressive cavity pump / motor stator, and apparatus and method to manufacture same by electrochemical machining
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