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)
07/2003
07/17/2003WO2003057948A1 Electrolytic processing apparatus and method
07/17/2003US20030132103 Electrolytic processing device and substrate processing apparatus
07/15/2003US6592742 The polishing electrolyte for polishing a metal layer comprises one or more surfactants selected from the group of benzopyrans, thioureas and aliphatic ethers; formation of metal layers used in integrated circuits
07/09/2003EP0998367B1 Method and arrangement for the electrochemical machining of a workpiece
07/03/2003WO2003054255A1 Electrolytic processing apparatus and method
06/2003
06/26/2003US20030116446 Mixture containing ammonium hydrogen phosphates
06/26/2003US20030116445 Electrolyte with good planarization capability, high removal rate and smooth surface finish for electrochemically controlled copper CMP
06/25/2003CN1112271C Method for providing metal bearing component with pattern by electrolytical machining and apparatus thereof
06/05/2003WO2003046262A1 Sequential electromachining and electropolishing of metals and the like using modulated electric fields
06/05/2003US20030104762 Polishing method and electropolishing apparatus
06/04/2003EP1315850A1 Method and device for the manufacture of the medical expanding stents
05/2003
05/28/2003EP1314799A1 Electrochemical treating method such as electroplating and electrochemical reaction device therefor
05/28/2003CN1109591C Method and apparatus of electrochemical machining workpiece
05/27/2003US6569297 Workpiece processor having processing chamber with improved processing fluid flow
05/22/2003WO2003042433A1 Electropolishing assembly and methods for electropolishing conductive layers
05/22/2003WO2003041901A1 Automated machine control gap for conical fluid dynamic bearing ecm grooving
05/22/2003CA2464423A1 Electropolishing assembly and methods for electropolishing conductive layers
05/20/2003US6565734 Electrochemical process using current density controlling techniques
05/15/2003WO2003039798A1 Method for dimensional electro-chemical processing
05/15/2003US20030089621 Drive head and ECM method and tool for making same
05/14/2003CN1418264A Device providing electrical contact to surface of semiconductor workpiece during metal plating
05/13/2003US6562226 Electrochemical machining method
05/13/2003US6562203 Electrochemical machining apparatus incorporating a mechanism for maintaining a uniform electrolyte flow gap
05/06/2003US6558231 Sequential electromachining and electropolishing of metals and the like using modulated electric fields
04/2003
04/23/2003EP1140409B1 Electrochemical machining method
04/23/2003EP0959999B1 Method of providing a metal bearing component with a pattern by electrochemical machining and an apparatus therefor
04/17/2003WO2002006567A8 Method and device for the manufacture of the medical expanding stents
04/17/2003US20030070930 Device providing electrical contact to the surface of a semiconductor workpiece during metal plating and method of providing such contact
04/16/2003CN1411039A Electrolysis polishing method
04/10/2003US20030066760 Controlling current density
04/08/2003US6545748 Apparatus for the method of manufacturing a stent
04/08/2003US6544403 Method for manufacturing fluid bearing
04/02/2003CN1104298C Method and device for electrochemical machining
04/02/2003CN1104297C Method and apparatus for electrochemical machining of workpiece
03/2003
03/26/2003EP1295312A2 Tuning electrodes used in a reactor for electrochemically processing a microelectronic workpiece
03/18/2003US6532662 Surface of the workpiece located within a region opposite an insulator is electrochemically processed more weakly than a surface of the workpiece located opposite the electrode; improves abrasion resistance
03/05/2003CN1400077A Electrolytic machining process, dynamic pressure bearing and its machining process
02/2003
02/27/2003DE20218518U1 Cathode for electrochemical shaping consists of a double pipe system, in which electrolyte is guided through the middle of the cathode, and is guided over an annular gap
02/19/2003CN1397399A Method for efficient discharge milling with hollow long electrode
02/13/2003WO2002086198A3 Method and device for machining workpieces by electrochemically removing material
02/12/2003CN1101291C Processing solution treatment device for electro-discharge machining device
01/2003
01/30/2003US20030019756 Reaction is executed in a reaction vessel containing matter in a supercritical or subcritical state and an electrolytic solution; free of generated liquid waste, no need to clean the electrode
01/29/2003EP0998366B1 Method of and arrangement for electrochemical machining
01/22/2003EP1276582A2 Method of controlling an electrochemical machining process
01/16/2003US20030010651 Electrochemical machining method with optimal machining pulse duration
01/16/2003US20030010650 Method for a removal of cathode depositions by means of bipolar pulses
01/16/2003US20030010648 Electrochemically assisted chemical polish
01/15/2003CN2530765Y Regulatable liquid storage box of discharge processing machine
01/09/2003US20030006137 Electrode for electrochemical machining
01/07/2003US6503387 Method and device for electro-chemical discharge processing with self-acting bubble layer
01/07/2003US6502833 Metal C-shaped ring gasket
01/02/2003EP1268881A1 Device providing electrical contact to the surface of a semiconductor workpiece during metal plating
01/01/2003CN1387971A In-situ electrode loss compensating method for efficient discharge milling
12/2002
12/27/2002WO2002103771A1 Electrolytic processing device and substrate processing apparatus
12/26/2002US20020195346 Coating sheet with layer of insulating material to define exposed portion as cutting line, connecting sheet to anode inside electrolytic cell, generating potential difference between anode and cathode to oxidize metal at exposed portion
12/24/2002US6497800 Device providing electrical contact to the surface of a semiconductor workpiece during metal plating
12/19/2002US20020189632 Method of removing deposits of material formed in laser machining
12/04/2002CN1383395A Method of controlling electrochemical machining process
11/2002
11/21/2002US20020170829 Electrochemical discharge machining device and machining method
11/20/2002EP1258310A2 Method and device for cutting metal sheets
11/14/2002WO2002090030A1 Electrochemical machining method with optimal machining pulse duration
11/14/2002WO2002090029A1 Method for a removal of cathode depositions by means of bipolar pulses
11/14/2002US20020169516 Method of controlling an electrochemical machining process
11/05/2002US6475233 Stent having tapered struts
10/2002
10/31/2002WO2002086985A2 Method and device for machining a work piece by means of electrochemical material removal
10/31/2002WO2002086198A2 Method and device for machining workpieces by electrochemically removing material
10/31/2002US20020160698 Electro-chemical machining apparatus
10/31/2002US20020157944 Electrode for the electrochemically fineboring workpieces and method for producing the same
10/24/2002DE10119649A1 Electrochemical material-removing workpiece machining involves deriving electrode separation threshold from comparison of electrode current profile per pulse with comparison profile
10/03/2002US20020143492 Electrochemical machining tool assembly and method of monitoring electrochemical machining
10/03/2002US20020139678 Automatic process control, more particularly, controlling a material deposition process; electroplating; constructing a Jacobian sensitivity matrix of the effects on plated material thickness at each of a plurality of workpiece position
10/02/2002EP1244533A1 Electrochemical machining method and apparatus
10/02/2002EP1146984B1 Method and apparatus for electrochemically processing material
10/02/2002DE10110823A1 Verfahren zum Abtragen von Materialablagerungen, die bei einer Laserbearbeitung entstehen A method for removing material deposits formed at a laser machining
09/2002
09/26/2002US20020134683 Counter plate electrode with self adjusting z-axis
09/12/2002US20020126923 Method for manufacturing fluid bearing and fluid bearing manufactured by the method
09/12/2002US20020125141 Tuning electrodes used in a reactor for electrochemically processing a microelectronic workpiece
08/2002
08/15/2002US20020110710 Staged venting of fuel cell system during rapid shutdown
08/15/2002US20020110502 Method and device for electro-chemical discharge processing with self-acting bubble layer
07/2002
07/25/2002WO2002042030A3 Fluted electrochemical machining
07/18/2002US20020092778 Process for electrolytic derusting of ferrous materials using natural seawater
07/18/2002US20020092776 Part fabricating method
07/11/2002US20020091438 Stent design
07/10/2002EP1220729A1 Method and tool for electrochemical machining
07/02/2002US6413407 Cathode tool sealed at one end to prevent electrolyte from flowing into finished bore; internal cooling; superalloy long tubes; petroleum industry
06/2002
06/27/2002US20020079215 Workpiece processor having processing chamber with improved processing fluid flow
06/20/2002US20020074237 Two plate electrodes facing each other, a direct current power source and a control circuit for changing polarity of the electrodes alternately
06/19/2002EP1215005A2 Electrochemical machining process for forming surface roughness elements on a gas turbine shroud
06/18/2002CA2057337C Procedure and apparatus for producing individually designed, three-dimensional bodies usable as tooth replacements, prostheses, etc.
06/12/2002CN1353779A System for electrochemically processing workpiece
06/12/2002CN1353778A Workpiece processor having processing chamber with improved processing fluid flow
06/11/2002US6402931 Electrochemical machining using modulated reverse electric fields
06/06/2002WO2002043793A1 Process of manufacturing drug delivery sprayheads
06/04/2002US6398942 Effected by a carbon cathode reacting against the anode, both being beneath the surface of a pottasium hydroxide electrolyte under a controlled current density to have a uniform diameter throughout its entire length
06/04/2002US6398941 Method of shaping a workpiece using an electrochemical machining tool
06/04/2002US6398940 Method for fabricating nanoscale patterns on a surface
05/2002
05/30/2002WO2002042030A2 Fluted electrochemical machining
05/30/2002US20020063066 To manufacture it into a tip for a scanning probe microscope; can manufacture the tip while controlling its curvature radius and aspect ratio and reducing the amount of oxide on its surface
05/28/2002US6395414 Staged venting of fuel cell system during rapid shutdown
05/14/2002US6386959 Feeding system for electro-chemically polishing contact tips
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