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)
06/2004
06/03/2004US20040104128 Filling concave portions formed on wafer surface; determining electropolishing end point of metal film in accordance with change of current waveform
06/01/2004US6743349 Electrochemical machining method and apparatus
05/2004
05/27/2004US20040099538 Using electrolysis; low voltage, high current density power source; electrolyte fluid flow
05/27/2004US20040099533 Microelectronics; positioning contactors; concentric anodes; nozzles; electroplating
05/21/2004WO2004041467A1 Electrochemical machining device and electrochemical machining method
05/20/2004US20040094430 Method and device for forming a dynamic pressure-generating groove in a fluid dynamic pressure bearing
05/19/2004DE10318064A1 Electrochemical machining system for boring holes in workpiece uses cylindrical hollow electrode which may be rotated and has supply of electrolyte fluid under pressure
05/13/2004WO2004039233A2 System and method for in vivo detection of h. pylori
04/2004
04/22/2004WO2004034452A1 Electrolytic processing apparatus
04/22/2004DE10247318A1 Verfahren zur Metallabreicherung in Nitratelektrolyten Method for Metallabreicherung in nitrate electrolytes
04/20/2004US6723223 Alternating the machining pulses with measurement pulses to obtain accurate information about the gap dimensions on-line; the pulse control unit establishes the pulse duration of the voltage pulses to be applied across the gap; accuracy
04/15/2004US20040072445 Effective method to improve surface finish in electrochemically assisted CMP
04/15/2004DE10245753A1 Method for cutting metal with high pressure water jets has a salt solution included and applied DC potential between the jet and workpiece
04/06/2004US6716335 Two plate electrodes facing each other, a direct current power source and a control circuit for changing polarity of the electrodes alternately
04/01/2004DE19854793B4 Elektrode zur elektrochemischen Bearbeitung eines metallischen Werkstücks und Verfahren zur Herstellung einer solchen Electrode for electrochemical machining of a metallic workpiece and methods for producing such
03/2004
03/25/2004US20040055877 Workpiece processor having processing chamber with improved processing fluid flow
03/18/2004US20040053499 Method and composition for polishing a substrate
03/18/2004US20040050817 Advanced electrolytic polish (AEP) assisted metal wafer planarization method and apparatus
03/18/2004US20040050715 Electrolyte mixture of alkylene glycol and chloride salt; etching using hydrogen fluoride; recovering, reuse
03/17/2004EP1397828A1 Electrolytic processing device and substrate processing apparatus
03/11/2004DE10238593A1 Production of a semiconductor wafer from a semiconducting workpiece comprises subjecting a conducting tool as electrode to an electrical current from a direct voltage source, and applying to the workpiece in the presence of an electrolyte
03/04/2004US20040044064 Administering melatonin, or antagonist thereof; uniform blood concentration
03/04/2004US20040040853 Systems and methods for the electrolytic removal of metals from substrates
03/03/2004EP1392465A1 Method for a removal of cathode depositions by means of bipolar pulses
02/2004
02/26/2004WO2003090961A3 Shaping metal articles
02/25/2004EP1391541A1 Process for providing recesses in the surface of a workpiece, in particular for making micromolds
02/17/2004US6692522 Stent having lumen comprising welded engagement points and method of fabricating same
02/12/2004DE10234547A1 Process for forming a recess in a workpiece used in the production of molds in plastic deformation technology comprises influencing the current density during electrochemical removal by the distribution of openings in a mask layer
02/10/2004US6689269 Method for electrochemically processing material
02/05/2004US20040022887 Method and apparatus for creating a sculpture on a container
02/05/2004DE10234136A1 Process for the electrochemical micro-processing of a workpiece comprises changing the current field formed by electrodes in an electrolytic liquid by changing the current
02/04/2004EP1386686A2 Push belt, ring element and method and device for electromechanical machining thereof
02/04/2004EP1220729B1 Method and tool for electrochemical machining
01/2004
01/22/2004US20040011667 Process for electrolytic derusting of ferrous materials using natural seawater
01/22/2004US20040011666 Positioning the counterelectrodes opposite the metal layer and spaced from metal layer and spaced from each other; passing an electric current for selectively removing a layer of electrolytically dissoluble metal from a substrate
01/22/2004DE10228433A1 Verfahren zum elektrochemischen Bearbeiten von Werkstücken A method for electrochemical machining of workpieces
01/21/2004EP1381717A2 Method and device for machining workpieces by electrochemically removing material
01/20/2004US6680454 Electromachining with perforated electrodes
01/20/2004US6679985 Electrolytically machining a tool fed by a three-dimensional tool feeder which can accurately feed a tool in three dimensions
01/13/2004US6676825 Removal of sacrificial cores by electrochemical machining
01/08/2004US20040004006 Selectively removing a layer of electrolytically dissoluble metal such as copper overplate from a substrate such as a low-k dielectric interconnect
12/2003
12/25/2003US20030234184 Method and composition for polishing a substrate
12/24/2003WO2003106090A1 Electrolytic etching of metal layers
12/24/2003CN1463467A Electrolytic processing device and substrate processing appts.
12/18/2003WO2003082502A3 Method for machining workpieces using a machining process, in particular an electrochemical machining process
12/18/2003US20030230493 Which uses only ultrapure water as an electrolytic solution and increases its ion product markedly, thus being capable of removal processing a workpiece or forming an oxide film thereon by the action of hydroxide ions; no impurities left
12/17/2003CN1462217A Electrochemical machining method with optimal machining pulse duration
12/17/2003CN1462216A Method for removal of cathode depositions by means of bipolar pulses
12/16/2003US6663765 Determining the type and size of the stent to be implanted, electrochemically forming the stent with desired pattern of meshes and implanting the stent into patient; customized manufacture
12/11/2003WO2003102852A1 Method for creating a sculpture on a container
12/11/2003US20030227713 Fluid dynamic bearing with non-linear damping
12/11/2003US20030226765 Push belt, ring element and method and device for electrochemical machining thereof
12/11/2003US20030226764 Methods and apparatus for electrochemical-mechanical processing of microelectronic workpieces
12/11/2003CA2484083A1 Method for creating a sculpture on a container
12/09/2003US6660137 System for electrochemically processing a workpiece
12/04/2003WO2003099501A1 Method and apparatus for electrochemical machining
12/04/2003WO2003099500A1 Method and apparatus for electrochemical machining of grooves for a hydrodynamic bearing
12/04/2003WO2003099499A1 A method and an arrangement to determine a running value of the gap during the electrochemical machining
12/04/2003WO2003099498A1 A method and an arrangement to determine a running value of the gap during the electrochemical machining
12/04/2003WO2003099497A1 Method and apparatus for forming grooved journals
12/04/2003US20030221974 Electrolytic solution formulation for electropolishing process
12/04/2003US20030221973 Electrochemical machining of grooves for a hydrodynamic bearing is provided. Grooves and a relief cut are simultaneously electrochemically etched into a surface of a workpiece.
12/04/2003US20030221959 Method and apparatus for forming grooved journals
11/2003
11/27/2003US20030218735 Stent manufacturing apparatus
11/27/2003US20030217932 Device providing electrical contact to the surface of a semiconductor workpiece during processing
11/27/2003US20030217931 Filling gap between electrode and tool with electrolyte
11/27/2003US20030217930 Supplying direct current pulses; electrolytic cell
11/20/2003WO2003095852A2 Fluid dynamic bearing with non-linear damping
11/20/2003US20030216045 Hydrogen bubble reduction on the cathode using double-cell designs
11/13/2003US20030209445 Forming electrical contactors; uniform electrodeposition; integrated circuits
11/13/2003US20030209425 Device providing electrical contact to the surface of a semiconductor workpiece during processing
11/06/2003WO2003090965A1 Polishing method, polishing device, and method of manufacturing semiconductor equipment
11/06/2003WO2003090963A1 A method, an apparatus, a control system and a computer program to perform an automatic removal of cathode depositions during a bipolar electrochemical machining
11/06/2003WO2003090962A1 A method, an apparatus,a control system and a computer program to perform an automatic removal of cathode depositions during a bi polar electrochemical machining
11/06/2003WO2003090961A2 Shaping metal articles
11/06/2003CA2483479A1 Shaping metal articles
11/05/2003CN2584334Y Cathod device and power-syupply circuit for short arc cutting equipment
10/2003
10/28/2003US6638963 Administering melatonin, a melatonin agonist or compound that increases melatonin production
10/28/2003US6638414 Forming patterns on electroconductive material
10/16/2003WO2003060962A3 Electrolyte composition and treatment for electrolytic chemical mechanical polishing
10/14/2003US6632348 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
10/14/2003US6632337 Electrode for the electrochemically fine-boring workpieces and method for producing the same
10/09/2003WO2003082504A1 Method for machining workpieces using a machining process, in particular an electrochemical machining process
10/09/2003WO2003082502A2 Method for machining workpieces using a machining process, in particular an electrochemical machining process
10/08/2003EP1349693A2 Fluted electrochemical machining
10/01/2003CN1445040A Technique for electrolysis processing fine slits and its devices
09/2003
09/30/2003US6627054 Electrode for electrochemical machining
09/25/2003US20030178320 Comprises acid (phosphoric, sulfuric, perchloric, and/or acetic) based electrolytes, chelate agent (ethylenediamine), and corrosion inhibitor (benzotriazole)
09/24/2003EP0966336B1 Method of electrochemical machining a workpiece
09/18/2003WO2003076134A1 Methods and apparatus for electrochemical-mechanical processing of microelectronic workpieces
09/17/2003CN1442262A Elctrolytic processing method and electrolytic processing device
09/16/2003US6620307 Method for a removal of cathode depositions by means of bipolar pulses
09/10/2003EP1315850A4 Method and device for the manufacture of the medical expanding stents
08/2003
08/20/2003EP1335767A1 Process of manufacturing drug delivery sprayheads
08/20/2003CN1118349C Surface treatment method utilizing discharge in liquid
08/07/2003WO2003065432A1 Electrolytic processing apparatus and substrate processing apparatus and method
08/07/2003US20030146107 Rotation along longitudinal axis; positioning electrode on exteriors surfaces; supplying electrolytes; conencting to voltage power source; dividing pipe
08/05/2003US6602396 Electrolytic machining method and apparatus
08/01/2003WO2003068440A1 Method for manufacturing an electrode for the electrochemical machining of a workpiece and an electrode manufactured according to this method
07/2003
07/24/2003WO2003060962A2 Electrolyte composition and treatment for electrolytic chemical mechanical polishing
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