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