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)
04/2005
04/06/2005CN2690091Y Tool cabinet positoning and support structure
04/05/2005US6875335 Electrolytic machining method and apparatus
03/2005
03/24/2005US20050061683 electrolytically etching gold from a microelectronic workpiece in an etching bath that is free of the suspected carcinogen, thiourea; bath comprising: iodide; sulfite; and a wetting agent
03/17/2005US20050059324 Methods and apparatus for removing conductive material from a microelectronic substrate
03/17/2005US20050056550 Methods and apparatus for removing conductive material from a microelectronic substrate
03/17/2005DE10339046A1 Vorrichtung zum Elysiersenken Apparatus for Elysiersenken
03/15/2005US6866769 For a bolt, fastener, coupling, nut; made from a powder metal nickel alloy and comprising an upper drive portion having twelve convex corners, an adjacent lower flange portion having an edge extending radially to each corner; electrochemical
03/10/2005US20050053849 Controlling thickness of beams; elongated structures; multilayer adhesion; configurated into narrow zones
03/10/2005US20050051432 Electrolytic processing apparatus and method
03/08/2005US6863797 Electrolyte with good planarization capability, high removal rate and smooth surface finish for electrochemically controlled copper CMP
03/03/2005US20050045491 Alkylene glycol and alkali and/or alkaline earth chlorides; smoothness; lower cost and corrosion; environmentally friendly; recycling spent electrolyte
03/02/2005EP1509869A1 Method for creating a sculpture on a container
03/02/2005EP1509356A1 A method and an arrangement to determine a running value of the gap during the electrochemical machining
03/02/2005EP1509355A2 Shaping metal articles
03/02/2005CN1586780A Pulse power source for electric working machine tool
02/2005
02/23/2005EP1508395A2 Electrochemical machining device
02/23/2005EP1507619A1 Method and apparatus for electrochemical machining
02/23/2005CN1585835A Electropolishing assembly and methods for electropolishing conductive layers
02/22/2005US6858125 Multi-axis numerical control electromachining of bladed disks
02/17/2005US20050035001 Electrolytic processing apparatus and electrolytic processing method
02/17/2005US20050035000 Positioning microelecrtrons substrate between electrodes; polishing; removal electroconductive materials; detecting signals
02/17/2005US20050034999 Methods and apparatus for electrically and/or chemically-mechanically removing conductive material from a microelectronic substrate
02/02/2005EP1501653A1 A method, an apparatus, a control system and a computer program to perform an automatic removal of cathode depositions during a bipolar electrochemical machining
01/2005
01/27/2005WO2005008806A2 Photoelectrolysis of water using proton exchange membranes
01/27/2005US20050016869 Applying an alternating or bipolar pulsed electrical current between a metal containing substrate and an electrolyte; removal of platinum from semiconductor wafers
01/27/2005US20050016868 Providing a wafer electrical connection by holding the conductive surface against the surface of the belt pad, applying a potential difference between the electrode and the wafer electrical connection and establishing a relative motion between the surface of the belt pad and the wafer
01/27/2005US20050016867 Continuous process of passing a metallic tape through an acid bath contained within a polishing section of an electropolishing unit whilepassing a mean surface current density through the metallic tape reducing the roughness
01/27/2005US20050016842 Fixture for electro-chemical machining
01/25/2005US6846227 Electro-chemical machining appartus
01/20/2005WO2005005693A1 Process control methods of electropolishing for metal substrate preparation in producing ybco coated conductors
01/13/2005US20050005963 Photoelectrolysis of water using proton exchange membranes
01/12/2005EP1349693A4 Fluted electrochemical machining
01/06/2005US20050000826 Process control methods of electropolishing for metal substrate preparation in producing YBCO coated conductors
01/05/2005DE10327565A1 Fixing system for electrode, has fixing device to fix an electrode holder on a base plate, the fixing device as well as the holder formed with mutually formed fixing modules
01/05/2005CN1559733A High speed high quality electric spark processing liquid storage tank system
12/2004
12/30/2004US20040262168 Methods of electopolishing patterned substrates
12/28/2004US6835300 Electropolishing solution and methods for its use and recovery
12/28/2004US6835299 Current passes though cathode to workpiece to electrolytically remove material; vibration via sinusoidal oscillation varies cathode current
12/23/2004WO2004111146A1 Polishing composition and method for polishing a conductive material
12/23/2004US20040256244 Selective electrochemical etching method for two-dimensional dopant profiling
12/23/2004DE10326719A1 Verdichterschaufelfuß für Triebwerksschaufeln von Flugzeugtriebwerken Verdichterschaufelfuß for turbine blades of aircraft engines
12/23/2004DE10297427T5 Automatisch maschinengesteuerter Spalt für ECM-Nutbildung bei einem konischen fluiddynamischen Lager Automatic machines controlled gap for ECM grooving in a conical fluid dynamic bearing
12/09/2004US20040248412 Method and composition for fine copper slurry for low dishing in ECMP
12/09/2004US20040245119 Dispensing an electrolyte through an opening that is at least as long as the wafer and effecting relative movement between the opening and the wafer; wafer can be moved linearly across the opening and can also be rotated
12/08/2004EP1484475A2 Root of an aircraft engine compressor blade
12/02/2004US20040238481 Rotating wafer chuck with sufficient speed that electrolyte fluid flows towards edge; eliminates unwanted metal removal and overpolishing
12/01/2004EP1480784A1 Methods and apparatus for electrochemical-mechanical processing of microelectronic workpieces
11/2004
11/17/2004CN2656067Y Profile surface electrolytic processing composite magnetic field device
11/11/2004WO2004097078A1 Electrolytic processing apparatus and method
11/11/2004US20040223254 Fluid dynamic bearing with non-linear damping
11/10/2004EP1474259A1 Method for manufacturing an electrode for electrochemical machining of a workpiece and an electrode manufactured according to this method
11/04/2004US20040217013 Apparatus and method for electropolishing a metal wiring layer on a semiconductor device
10/2004
10/27/2004EP1470576A1 Electrolytic processing apparatus and substrate processing apparatus and method
10/27/2004EP1469967A1 Electrochemical machining method with optimal machining pulse duration
10/21/2004US20040206634 Electrolytic processing apparatus and substrate processing apparatus and method
10/14/2004US20040200732 Method and apparatus for eliminating defects and improving uniformity in electrochemically processed conductive layers
10/14/2004DE10314672A1 Perforated disk production for fuel injection valve, involves deforming sheet metal, forming hose down openings on sheet metal, and processing sheet metal to obtain perforated disk having predetermined external dimensions
10/14/2004DE10314671A1 Production method for a perforated disk in a fuel injection valve on an internal combustion engine processes a flat metal sheet with a spray hole by electrochemical machining
10/14/2004DE10259934B3 Verfahren zur Herstellung von Formteilen aus Niob oder Tantal durch elektrochemisches Ätzen und so erhältliche Formteile A process for producing moldings made of niobium or tantalum by electrochemical etching and thus obtainable molded parts
10/07/2004US20040195111 Performs uniform electrodeposition and electroetching
10/07/2004US20040195109 Electrochemical machining method and apparatus
09/2004
09/30/2004US20040188259 Design of deposits to ajust for defects in working surfaces; electrochemistry
09/30/2004US20040188244 Electro-chemical machining apparatus
09/21/2004US6793793 High reactability; reduced generation of liquid waste; eliminates electrode cleaning
09/16/2004US20040178081 Process for the production of shaped articles of niobium or tantalum by electrochemical etching
09/16/2004US20040178064 Ball supports and puller for pulling a cable through a pipe
09/14/2004US6790548 Staged venting of fuel cell system during rapid shutdown
09/10/2004WO2004076110A1 Method for electrochemical processing titanium and the alloys thereof
09/10/2004WO2003095852A3 Fluid dynamic bearing with non-linear damping
09/09/2004DE10308358A1 Electrochemical processing device for metallic workpiece, has rotary propelled tool electrode with slotted holes that form an electrolyte feedback channel with the workpiece surface to limit the flow of electrolytic solution
09/08/2004EP1453991A1 Electrolytic processing apparatus and method
09/07/2004US6787728 Method and apparatus for near net shape rapid rough electromachining for blisks
09/02/2004DE10307746A1 Electrochemical method for defining an electrochemically active surface on an electrically conductive work-piece connected as an electrode operates during a electrochemical machining process
08/2004
08/31/2004US6783658 Electropolishing method
08/31/2004US6783657 Dissolution, etching, or polishing; semiconductors
08/26/2004US20040163950 Planar plating apparatus
08/26/2004DE20023514U1 Production of an inner surface of a stainless steel tank comprises inserting a tube into the tank, placing a cathode and electrolyte in the tank and connecting the tube and cathode
08/19/2004WO2004070088A1 Electrolytic solution formulation for electropolishing process
08/19/2004WO2004047934A3 Non mechanical method of removing material from the surface of a golf club head
08/19/2004US20040162605 Stent fabrication method
08/18/2004EP1446514A1 Electropolishing assembly and methods for electropolishing conductive layers
08/18/2004CN1521288A Process for the production of niobium or tantalum parts by electrochemical etching
08/10/2004US6774985 Apparatus imprinting stent configuration image from mask onto tubular blank with photosensitive coating including journaling mechanism receiving and rotating blank, radiation source directing light at surface to expose coating, mask mover
08/05/2004WO2004065047A1 Critical orifice gap setting for ecm grooving of flat plates
08/03/2004US6770188 Part fabricating method
07/2004
07/28/2004EP1441049A1 Process for the production of niobium or tantalum parts by electrochemical etching
07/28/2004CN1515376A Pulse electrochemical processing method of cyindrical bearing roller path convexity
07/22/2004US20040140226 Electrolyte is pumped at fixed static pressure between movable electrode and working surface; support fixture
07/20/2004US6764590 Automated machine control gap for conical fluid dynamic bearing ECM grooving
07/14/2004CN1511668A Electric working using perforating electrode
07/14/2004CN1511667A Method and device for nearly forming quick coarse working for round disc with blade
07/14/2004CN1511666A Multiple shaft digital control electric working of blade disc
07/01/2004US20040124181 Method and apparatus for near net shape rapid rough machining for blisks
07/01/2004US20040124078 A metallic rotatable tool electrode is used to induce the removal of metal through high intensity thermal erosion, monitoring short circuiting, regulating tool speed
07/01/2004DE10258920A1 Verfahren und Vorrichtung zur Formgebung durch elektrochemisches Abtragen Method and device for shaping by electrochemical erosion
06/2004
06/30/2004EP1433558A2 Multi-axis numerical control electromachining of bladed disks
06/30/2004EP1433557A2 Method and apparatus for near net shape rapid rough machining for blisks
06/24/2004WO2004039233A3 System and method for in vivo detection of h. pylori
06/23/2004EP1430983A2 Method and apparatus for electrochemical shaping
06/10/2004WO2004047934A2 Non mechanical method of removing material from the surface of a golf club head
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