| Patents for C25F 3 - Electrolytic etching or polishing (4,256) |
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| 12/13/2000 | CN2410307Y Flexible tool for electrolytic and electrochemical compound machining |
| 12/07/2000 | WO2000073522A1 Aluminium alloy sheet |
| 12/05/2000 | US6156216 Etching top working surface of silicon wafer to make silicon stylus of a specific area with a base and an apex, depositing nitride film, spin coating a resist, etching specific area of nitride covered silcone stylus to expose apex of stylus |
| 12/05/2000 | US6156187 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 |
| 12/05/2000 | US6156135 Aluminum substrate for lithographic printing plate and process for producing the same |
| 11/21/2000 | US6150279 Environmentally safe surface treatment using solution containing thiourea |
| 11/15/2000 | EP1051545A1 Method for treating a metal product |
| 11/15/2000 | EP1051544A2 Process chamber and method for depositing and/or removing material on a substrate |
| 11/09/2000 | WO2000066815A1 Method of producing a filter |
| 11/09/2000 | CA2369963A1 Method of producing a filter |
| 11/08/2000 | CN1058303C Dynamic electrolytic composite polishing method of stainless steel equipment |
| 11/07/2000 | US6143158 By electrolytic polishing of aluminum plate in alkaline solution, then electrochemically surface roughening the aluminum plate using current in acidic solution; no ?streaks? caused by difference in orientation of crystal grains |
| 11/02/2000 | DE19919903A1 Verfahren zur Herstellung eines Filters A method for manufacturing a filter |
| 11/02/2000 | DE10018244A1 Superconducting acceleration cavity, for a charged particle accelerator, is internally polished by chemical polishing and then electrolytic polishing |
| 10/31/2000 | US6140014 Multilayer element, photosensitive composition with grains on surfaces |
| 10/31/2000 | US6139759 Method of manufacturing silicided silicon microtips for scanning probe microscopy |
| 10/31/2000 | US6139716 Submicron patterned metal hole etching |
| 10/12/2000 | WO2000060143A1 Electrochemical etching installation and method for etching a body to be etched |
| 10/11/2000 | EP1043421A2 Austenitic stainless steel article having a passivated surface layer |
| 10/11/2000 | EP1042794A1 Process for producing a porous layer by an electrochemical etching process |
| 10/11/2000 | CN1269601A Anodization apparatus, anodization system, and apparatus and method for treating matrix thereof |
| 10/05/2000 | DE19915197A1 Metal surface, e.g. the interior surface of a tube such as a medical stent, is polished by passing a stream of dissociated acid group ions past the surface immersed in an acid bath |
| 10/05/2000 | DE19914905A1 Electrochemical etching cell for etching silicon wafers uses electrode materials that do not contaminate and/or damage the etching body after etching |
| 10/05/2000 | DE19908884C1 Verfahren und Vorrichtung zum elektrochemischen Aufrauhen eines Trägers für lichtempfindliche Schichten Method and apparatus for electrochemically roughening a substrate for photosensitive layers |
| 09/27/2000 | EP1039508A2 Anodizing apparatus, anodizing system, substrate processing apparatus and method, and substrate manufacturing method |
| 09/19/2000 | US6121152 Method and apparatus for planarization of metallized semiconductor wafers using a bipolar electrode assembly |
| 09/19/2000 | US6120671 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 |
| 09/13/2000 | CN1266111A High-efficient polishing working method for diamond film |
| 09/06/2000 | EP1033420A1 Process and apparatus for electrochemically graining a support for light-sensitive layers |
| 09/06/2000 | EP1032726A1 Selective removal of material using self-initiated galvanic activity in electrolytic bath |
| 09/05/2000 | CA2095227C A method of producing etched plates for graphic printing and apparatus therefor |
| 08/30/2000 | EP1031648A1 Apparatus and method for electrolytic treatment |
| 08/30/2000 | CN1264758A Technology for electrolytically polishing net of stainless steel wire and its special equipment |
| 08/15/2000 | US6103095 Non-hazardous wet etching method |
| 08/15/2000 | US6103087 Graining and electrolytic surface roughening aluminum or alloy; anodizing; providing light sensitive layer |
| 08/02/2000 | EP1023910A1 Preparation of osteophilic surfaces for metallic prosthetic devices anchorable to bone |
| 08/02/2000 | EP0973961A4 Method for manufacturing a stent |
| 08/01/2000 | US6095160 In-situ magnetron assisted DC plasma etching apparatus and method for cleaning magnetic recording disks |
| 07/26/2000 | EP1021597A1 A procedure for electrochemical polishing of an aluminium substrate to obtain a specular surface thereof |
| 07/19/2000 | EP1020965A1 Feeding system for electro-chemically polishing contact tips |
| 07/13/2000 | WO2000040785A1 Electrochemical marking stencil, method and system |
| 07/13/2000 | WO2000040362A1 Method for electrochemically processing material |
| 07/11/2000 | US6087018 Ornament comprising transparent protective layer formed over surface of titanium member which is free of surface adhesion substances |
| 07/11/2000 | US6086774 Method of making released micromachined structures by directional etching |
| 07/06/2000 | WO2000038869A1 Method of manufacturing a cutting member having an auxiliary layer |
| 07/05/2000 | EP1015672A1 A procedure for electrochemical polishing of an aluminium substrate to obtain certain topographical properties thereof |
| 06/21/2000 | CN2383850Y Photoetching electric metal marking machine |
| 06/21/2000 | CN1257138A No-pollution metal etching method and device thereof |
| 06/20/2000 | US6077412 Processing chamber for depositing and/or removing material onto/from a semiconductor wafer |
| 06/15/2000 | WO2000034995A1 Method for machining/cleaning by hydroxide ion in ultrapure water |
| 06/14/2000 | EP1007767A1 Method for producing a filter |
| 06/13/2000 | US6074546 Method for photoelectrochemical polishing of silicon wafers |
| 06/13/2000 | US6074284 Combination electrolytic polishing and abrasive super-finishing method |
| 05/31/2000 | DE19900173C1 Process for electrochemically processing a workpiece comprises measuring the geometry of the intermediate space between both electrodes so that only the points of the zones to be processed lie within a specified maximum distance |
| 05/17/2000 | EP1000694A2 Electrolytic integrated polishing method for metal workpieces using special abrasive materials |
| 05/10/2000 | EP0998597A4 Field emitter fabrication using open circuit electrochemical lift off |
| 05/10/2000 | EP0998597A1 Field emitter fabrication using open circuit electrochemical lift off |
| 05/09/2000 | CA2286990A1 Electrolytic integrated polishing method for metal workpieces using special abrasive materials |
| 05/02/2000 | US6056887 Process for fabricating a feeler member for a micromechanical probe, in particular for an atomic force microscope |
| 04/19/2000 | EP0993513A1 Impedance-assisted electrochemical technique and electrochemistry for removing material, particularly excess emitter material in electron-emitting device |
| 04/18/2000 | US6051116 Etching apparatus |
| 04/12/2000 | CN1250488A Method for manufacturing a stent |
| 04/05/2000 | CN1249541A Surficially roughened foam nickel and its preparing process |
| 04/05/2000 | CN1249367A Non-corrosion pulsively electrochemical polishing solution and process |
| 04/04/2000 | US6045681 Manufacturing method of planographic printing plate support and presensitized planographic printing plate |
| 03/08/2000 | CN1246818A Method of providing metal bearing component with pattern by electrochemical machining and apparatus thereof |
| 02/23/2000 | EP0980729A1 Centrifugally cast tubes, method and apparatus of making same |
| 02/23/2000 | EP0980446A1 Silicon etching process for making microchannel plates |
| 02/22/2000 | US6027632 Portions of the excess emitter material overlying the dielectric layer in the spaces between the control electrodes are initially removed, the portion of excess emitter covering the control electrode are removed for exposure |
| 02/16/2000 | CN2364059Y Aluminium strip surface treatment apparatus |
| 02/16/2000 | CN1244599A Electrolysis process of raising the accuracy and life of cutter |
| 02/09/2000 | CN1049259C Electrochemical polishing method for aluminum or aluminum alloy welding wire |
| 02/09/2000 | CN1049258C Method of quick and deep chemical etching for stainless steel |
| 02/09/2000 | CN1049257C Superfine etching method for stainless steel |
| 01/26/2000 | EP0973961A1 Method for manufacturing a stent |
| 01/25/2000 | US6017590 Used to insulate the tips with soft polymer coating material to ensure very low tip leakage current |
| 01/25/2000 | US6017437 Process chamber and method for depositing and/or removing material on a substrate |
| 01/20/2000 | WO2000003426A1 Methods and apparatus for electropolishing metal interconnections on semiconductor devices |
| 01/20/2000 | CA2336851A1 Methods and apparatus for electropolishing metal interconnections on semiconductor devices |
| 01/18/2000 | US6015649 Method of manufacturing support for planographic printing plate |
| 01/12/2000 | EP0892862B1 Elctrolyte for electropolishing, method of electropolishing a stainless steel or a nickel alloy utilizing the said electrolyte, and its application to decontamination |
| 01/12/2000 | EP0874921B1 Process and system for electrochemical treatment of long stretched-out items |
| 01/05/2000 | CN1240239A Metal surface treatment method and metal structure unit with surface formed by using said method |
| 12/29/1999 | EP0967303A1 Apparatus and method for electrolytically treating the inside surface of a portion of a vessel |
| 12/29/1999 | EP0967302A1 Apparatus and method for electrolytic treatment |
| 12/28/1999 | US6007695 Selective removal of material using self-initiated galvanic activity in electrolytic bath |
| 12/21/1999 | US6003509 Solar collector and method for production thereof |
| 12/16/1999 | WO1999065072A1 Electrochemical planarization of metal layers using a bipolar electrode assembly |
| 12/14/1999 | US6002131 Scanning probe potentiometer |
| 12/08/1999 | EP0962554A2 Electrolytic integrated polishing method for external surface of metallic tubes and photosensitive drum substrate prepared thereby |
| 12/07/1999 | US5997722 Electrochemical surface treatment |
| 12/07/1999 | US5997713 Silicon etching process for making microchannel plates |
| 12/05/1999 | CA2273409A1 Electrolytic integrated polishing method for external surface of metallic tubes and photosensitive drum substrate prepared thereby |
| 12/01/1999 | EP0959999A1 Method of providing a metal bearing component with a pattern by electrochemical machining and an apparatus therefor |
| 11/30/1999 | US5993638 Method for obtaining well-defined edge radii on cutting tool inserts in combination with a high surface finish over the whole insert by electropolishing technique |
| 11/30/1999 | US5993637 The electrode structure is suitably used for electrolytic etching and is effective in providing an accurate etching pattern without damaging the surface of an etching object. |
| 11/24/1999 | EP0958412A1 Treating aluminium workpieces |
| 11/18/1999 | WO1999058746A1 Perforated silicon membrane provided by an electrochemical etching method |
| 11/17/1999 | EP0956374A1 Method of making a pvd-coated hss drill |
| 11/11/1999 | DE19831330C1 Electrolytic etching of copper e.g. from printed circuits or circuit boards |