Patents
Patents for C25F 7 - Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects; Servicing or operating (2,484)
08/2001
08/02/2001WO2000033356A9 Methods and apparatus for holding and positioning semiconductor workpieces during electropolishing and/or electroplating of the workpieces
08/02/2001US20010010287 Methods and apparatus for holding and positioning semiconductor workpieces during electropolishing and/or electroplating of the workpieces
08/02/2001DE10102145A1 Plattiervorbehandlungsvorrichtung und Plattierbehandlungsvorrichtung Plattiervorbehandlungsvorrichtung and Plattierbehandlungsvorrichtung
07/2001
07/24/2001US6264823 Non-caustic cleaning of conductive and non-conductive bodies
07/19/2001WO2001052307A2 Semiconductor workpiece proximity plating methods and apparatus
07/18/2001EP1115917A1 Process for electrolytic pickling using nitric acid-free solutions
07/18/2001EP1115916A1 Electrolytic cleaning of conductive bodies
07/18/2001EP1115912A2 Device for partial electrochemical treatment of bar-shaped objects
07/12/2001WO2000033356A3 Methods and apparatus for holding and positioning semiconductor workpieces during electropolishing and/or electroplating of the workpieces
06/2001
06/28/2001DE10004740C1 Method for processing small workpieces comprises placing the workpieces on the base of a processing chamber and subjecting the workpieces to a treatment fluid using a stirrer
06/27/2001CA2327787A1 Cleaning machine for die used for synthetic resin mould
06/19/2001US6248222 Methods and apparatus for holding and positioning semiconductor workpieces during electropolishing and/or electroplating of the workpieces
06/14/2001WO2001042538A1 Drum for electropolishing bulk metal components, in particular stainless steel components
06/14/2001CA2358934A1 Drum for electropolishing bulk metal parts, in particular stainless steel parts
06/13/2001CN1067121C Device for cleaning metal surfaces after they have been worked at high temp.
06/06/2001CN1298037A Method of preparing zinc plating solvent by utilizing waste liquid
05/2001
05/25/2001WO2001036138A1 Combined electrolytic polishing and abrasive super-finishing process
05/17/2001US20010001286 Continously dissolving the metallic matrix having higher dissolvability than a metallic fiber that makes up a wire by electrolytic processing in electrolytic tanks arranged in the conveying direction in a gentle convex arch
05/17/2001US20010001192 Apparatus and method for selective electrolytic metallization/deposition utilizing a fluid head
05/10/2001WO2001032960A2 Machine for localised cleaning with electrolytic and/or ultrasound cell, for pickling and/or polishing
05/10/2001DE19951325A1 Verfahren und Vorrichtung zum elektrolytischen Behandeln von elektrisch gegeneinander isolierten, elektrisch leitenden Strukturen auf Oberflächen von elektrisch isolierendem Folienmaterial sowie Anwendungen des Verfahrens Method and apparatus for electrolytic treatment of electrically mutually insulated, electrically conductive structures on surfaces of electrically insulating foil material, as well as applications of the method
05/09/2001EP1097474A1 Methods and apparatus for electropolishing metal interconnections on semiconductor devices
05/03/2001DE19951324A1 Verfahren und Vorrichtung zum elektrolytischen Behandeln von elektrisch leitfähigen Oberflächen von gegeneinander vereinzelten Platten- und Folienmaterialstücken sowie Anwendung des Verfahrens Method and apparatus for electrolytic treatment of electrically conductive surfaces of mutually isolated sheet and film material properties as well as application of the method
04/2001
04/26/2001WO2001029290A1 Method and device for the electrolytic treatment of electrically conducting surfaces separated plates and film material pieces in addition to uses of said method
04/26/2001WO2001029289A1 Method and device for the electrolytic treatment of electrically conducting structures which are insulated from each other and positioned on the surface of electrically insulating film materials and use of the method
04/26/2001CA2384249A1 Method and device for the electrolytic treatment of electrically conducting surfaces separated plates and film material pieces in addition to uses of said method
04/26/2001CA2384244A1 Method and device for the electrolytic treatment of electrolytically conducting structures which are insulated from each other
04/25/2001EP1094134A1 Electrochemical system and process for stripping metallic coatings
04/24/2001US6221236 Electrolysis, etching a metal web with alternating current and frequency
04/19/2001DE19930306A1 Apparatus for the galvanic deposition and removal of metals comprises a conveying device which has a transporting belt with cover bars by which the galvanized material is fixed to the belt
04/17/2001US6217726 Tube inner surface electropolishing device with electrolyte dam
04/17/2001US6216304 Apparatus for cleaning strips
04/03/2001US6210548 Apparatus for partially removing plating films of leadframe
03/2001
03/20/2001US6203691 Electrolytic cleaning of conductive bodies
03/20/2001US6203689 For polishing inner face of deep hole of article
03/20/2001US6203685 Apparatus and method for selective electrolytic metallization/deposition utilizing a fluid head
03/08/2001DE19959490C1 Drum for electropolishing special steel parts has a metal casing equipped with an opening, a concentrically arranged cathode and a receiver closed on all sides that forms the anode
03/07/2001EP1080254A1 Method for removing a hard material layer deposited on a hard metal work piece, and a fixing device for at least one work piece
03/01/2001DE19936569A1 Production of a porous silicon surface for making thin layer solar cells involves passing silicon strip through electrolyte bath
02/2001
02/22/2001WO2001013416A1 Method and apparatus for depositing and controlling the texture of a thin film
02/22/2001WO2001012372A1 Method and tool for electrochemical machining
02/13/2001US6186316 Method and device for the precise electrolytic deposition and etching of metal layers on circuit boards and conductors foils in continuous systems
02/08/2001WO2001009410A1 An improved process and apparatus for cleaning and/or coating metal surfaces using electro-plasma technology
01/2001
01/31/2001EP1072695A1 Method and device for removing and suppressing scale of metal material
01/30/2001US6179984 Circuit arrangement for supplying pulse current to electrolytic cells connected in parallel; method is used for electroplating of printed circuit boards in vertical dipping systems and in vertical and horizontal feed through systems
01/30/2001US6179982 Introducing and reclaiming liquid in a wafer processing chamber
01/24/2001CN1061104C Process for regeneration of Na2SO4 electrolytes from waste pickles for stainless steel strips
01/23/2001US6176995 Improving the transfer of materials at the surface of the material for treatment consists in generating a large flow of electrolyte at the treatment point by means of rotating electrodes which move synchronously
01/18/2001WO2001004385A1 Device and method for the partial electrochemical treatment of bar-shaped elements
01/11/2001DE19924762C1 Verfahren und Vorrichtung zur Innenoberflächenbehandlung von metallischen Rohren Process and apparatus for inner surface treatment of metallic tubes
01/04/2001DE19929750A1 Device for removing impurities from liquids has a heater arranged in the region of the flue opening
01/02/2001CA2178776C Method and apparatus for automated stripping of zinc sheets from aluminum cathode base plates
12/2000
12/27/2000EP1062384A1 Process and device for the electrolytic polishing of surgical needles
12/26/2000US6165345 Electrochemical stripping of turbine blades
12/20/2000EP1060827A1 Method and apparatus for treating the interoir of metallic tubes
12/05/2000US6156187 Positively charging and rotating a metallic tube about the axis thereof and supporting both ends of the tube, pressing more than one grindstone with a constant pressure against the external surface of the metallic tube from opposite directions
11/2000
11/16/2000DE19932785C1 Partial electrochemical treatment apparatus, e.g. for electroplating or etching shock-absorber or valve rods, provides masking system vertical tolerance equalization by lowering a rod workpiece and pressing down a membrane holder
11/15/2000EP1051544A2 Process chamber and method for depositing and/or removing material on a substrate
11/09/2000WO2000011245A3 Device for partial electrochemical treatment of bar-shaped objects
11/02/2000EP0852629B1 Device for cleaning metal surfaces after they have been worked at high temperatures
10/2000
10/17/2000US6132570 Method and apparatus for continuous processing of semiconductor wafers
10/12/2000WO2000060143A1 Electrochemical etching installation and method for etching a body to be etched
10/12/2000WO2000059682A1 Method and apparatus for plating and polishing a semiconductor substrate
10/05/2000DE19914905A1 Electrochemical etching cell for etching silicon wafers uses electrode materials that do not contaminate and/or damage the etching body after etching
10/05/2000DE19908884C1 Verfahren und Vorrichtung zum elektrochemischen Aufrauhen eines Trägers für lichtempfindliche Schichten Method and apparatus for electrochemically roughening a substrate for photosensitive layers
09/2000
09/19/2000US6120671 Conveying metal strip vertically past adjacent anode and cathode while supplying electrolyte to strip surface to conduct electric current through strip without direct electrode contact; galvanizing
09/06/2000EP1033420A1 Process and apparatus for electrochemically graining a support for light-sensitive layers
09/05/2000CA2095227C A method of producing etched plates for graphic printing and apparatus therefor
08/2000
08/30/2000EP1031648A1 Apparatus and method for electrolytic treatment
08/30/2000CN1264758A Technology for electrolytically polishing net of stainless steel wire and its special equipment
08/23/2000EP1029951A2 Strip treating apparatus
08/23/2000EP1029950A2 Strip treating apparatus
08/15/2000US6103096 Apparatus and method for the electrochemical etching of a wafer
08/08/2000US6099715 Method for electrochemical treatment, especially for polishing
08/03/2000WO2000044964A1 Method and device for removing and suppressing scale of metal material
08/02/2000CN1261632A Selective electrolytic metal chemical/electro plating device and method by using fluid head
07/2000
07/26/2000EP1022361A2 Process for cleaning metals after their thermal treatment
07/20/2000WO2000042242A1 Electrochemical stripping of turbine blades
07/04/2000US6083376 Inserting a second electrode into a hollow first electrode and immersing both electrodes in a reaction solution; inducing a charge; rotating at least one of said hollow first electrode and said second electrode
06/2000
06/21/2000CN1257138A No-pollution metal etching method and device thereof
06/20/2000US6077412 Processing chamber for depositing and/or removing material onto/from a semiconductor wafer
06/20/2000US6077359 With high precision and velocity by means of a treatment liquid
06/08/2000WO2000033356A2 Methods and apparatus for holding and positioning semiconductor workpieces during electropolishing and/or electroplating of the workpieces
06/08/2000CA2352160A1 Methods and apparatus for holding and positioning semiconductor workpieces during electropolishing and/or electroplating of the workpieces
06/06/2000US6071400 Brushes which touch the structured surfaces to be treated with their electrically conductive and thin fibres. a large number of brushes which are arranged transversely to the direction of transportation
05/2000
05/23/2000US6066030 Electroetch and chemical mechanical polishing equipment
05/17/2000EP1000694A2 Electrolytic integrated polishing method for metal workpieces using special abrasive materials
05/09/2000CA2286990A1 Electrolytic integrated polishing method for metal workpieces using special abrasive materials
04/2000
04/13/2000DE19844832A1 Apparatus for localized cleaning metal surfaces, in particular, stainless steel surfaces within weld seam zones
03/2000
03/30/2000WO2000017422A1 Electrolytic cleaning of conductive bodies
03/30/2000CA2341622A1 Electrolytic cleaning of conductive bodies
03/23/2000WO2000015880A1 Process for electrolytic pickling using nitric acid-free solutions
03/23/2000CA2343778A1 Process for electrolytic pickling using nitric acid-free solutions
03/22/2000EP0987351A1 A steel strip descaling apparatus and a steel strip manufacturing apparatus using the descaling apparatus
03/22/2000EP0987077A2 Method and device for electrical or electrochemical treatment of workpieces
03/07/2000US6033548 Rotating system and method for electrodepositing materials on semiconductor wafers
03/02/2000WO2000011245A2 Device for partial electrochemical treatment of bar-shaped objects
03/02/2000DE19837126A1 Specimen treatment, especially anodic etching for porous silicon production, comprises supplying current to several specimens or a large specimen by several electrical contacts
02/2000
02/09/2000EP0978577A1 Process and apparatus for the electrochemical machining of workpieces
01/2000
01/25/2000US6017437 Process chamber and method for depositing and/or removing material on a substrate
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