| Patents for C25F 3 - Electrolytic etching or polishing (4,256) |
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| 07/11/2002 | US20020090884 Electrolytic polishing apparatus, electrolytic polishing method and wafer subject to polishing |
| 07/11/2002 | US20020088709 Method and apparatus for forming interconnects, and polishing liquid and polishing method |
| 07/10/2002 | EP1220729A1 Method and tool for electrochemical machining |
| 07/10/2002 | CN1358240A Bath composition for electropolishing of titanium and method for using same |
| 07/09/2002 | US6416650 Uses the centrifugal force of rotational tool electrode to discharge electrolytic byproducts, making electrochemical polishing more effective |
| 07/04/2002 | US20020086240 Method of etching, as well as frame element, mask and prefabricated substrate element for use in such etching |
| 07/03/2002 | EP1220307A1 Method and apparatus for radiation-assisted electrochemical etching, and etched product |
| 07/02/2002 | US6413408 Method for the production of a porous layer |
| 07/02/2002 | US6413407 Cathode tool sealed at one end to prevent electrolyte from flowing into finished bore; internal cooling; superalloy long tubes; petroleum industry |
| 06/27/2002 | WO2002026381A3 Ionic liquids and their use |
| 06/25/2002 | US6410178 Separator of fuel cell and method for producing same |
| 06/20/2002 | US20020074239 A method for the production of a porous layer |
| 06/19/2002 | CN1354400A Adornment |
| 06/19/2002 | CN1354285A Electrochemical corrosion of high-tin solder ridge |
| 06/13/2002 | WO2002019391A3 Apparatus and method for floe of process gas in an ultra-clean environment |
| 06/13/2002 | US20020070126 Polishing method, polishing apparatus, plating method, and plating apparatus |
| 06/13/2002 | US20020070121 Family of discretely sized slicon nanoparticles and method for producing the same |
| 06/11/2002 | US6402908 Pipe electropolishing apparatus using an electrolyte heater and cooler |
| 06/11/2002 | US6402592 Electrochemical methods for polishing copper films on semiconductor substrates |
| 06/06/2002 | WO2002043793A1 Process of manufacturing drug delivery sprayheads |
| 06/06/2002 | US20020068507 System and method for electropolishing nonuniform pipes |
| 06/06/2002 | US20020066675 System and method for reversing electrolyte flow during an electropolishing operation |
| 06/06/2002 | CA2364460A1 System and method for electropolishing nonuniform pipes |
| 06/04/2002 | US6398943 Process for producing a porous layer by an electrochemical etching process |
| 06/04/2002 | US6398942 Effected by a carbon cathode reacting against the anode, both being beneath the surface of a pottasium hydroxide electrolyte under a controlled current density to have a uniform diameter throughout its entire length |
| 05/30/2002 | WO2002042030A2 Fluted electrochemical machining |
| 05/30/2002 | US20020063066 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 |
| 05/29/2002 | EP0946890B1 Layer with a porous layer area, an interference filter containing such a layer and a method for the production thereof |
| 05/29/2002 | CN1351197A Metal fine machining apparatus and method |
| 05/28/2002 | US6395163 Process for the electrolytic processing especially of flat items and arrangement for implementing the process |
| 05/28/2002 | US6395152 Methods and apparatus for electropolishing metal interconnections on semiconductor devices |
| 05/23/2002 | WO2002041369A2 Electropolishing and chemical mechanical planarization |
| 05/23/2002 | US20020061714 Semiconductor processing methods of removing conductive material |
| 05/23/2002 | DE10055712A1 Production of trench capacitors in a p-doped silicon layer used for DRAMs and ferroelectric semiconductor storage devices comprises using electrodes and a capacitor dielectric |
| 05/22/2002 | CN2492564Y Electrochemical etching flattening device for indium-tin oxide electrode on organic electroluminescent display panel |
| 05/21/2002 | US6391187 Method for treating a metal product |
| 05/16/2002 | WO2002039492A1 Method for producing trench capacitors for large-scale integrated semiconductor memories |
| 05/14/2002 | US6386959 Feeding system for electro-chemically polishing contact tips |
| 05/02/2002 | US20020050458 Production of gas separators for use in fuel cells and equipment used therefor |
| 04/30/2002 | US6379986 Anodizing a bulk aluminum material and then forming a tunnel oxidation film by irradiating oxygen |
| 04/25/2002 | US20020047537 Method for producing electrodes as well as electrodes produced by the method |
| 04/25/2002 | DE10047664A1 Production of porous silicon used in the production of an optoelectronic component comprises chemically etching a silicon sample in an anodic oxidation process with localized etching |
| 04/23/2002 | US6375826 Electro-polishing fixture and electrolyte solution for polishing stents and method |
| 04/18/2002 | WO2002031231A1 Semiconductor production device and production method for semiconductor device |
| 04/11/2002 | WO2001091163A3 Tuning electrodes used in a reactor for electrochemically processing a microelectronic workpiece |
| 04/11/2002 | US20020042198 Method in etching of a substrate |
| 04/11/2002 | US20020040854 Carbon cathode rod activated with negative voltage |
| 04/10/2002 | EP1194617A1 Bath composition for electropolishing of titanium and method for using same |
| 04/10/2002 | EP1021597B1 A procedure for electrochemical polishing of an aluminium substrate to obtain a specular surface thereof |
| 04/09/2002 | US6368493 Chemical removal or oxidation of material using ultrapure water; nonwoven, ion exchanging fabric catalyzes dissociation and provides high concentration of hydroxide ions; little waste |
| 04/04/2002 | WO2002026701A2 Ionic liquids and their use as solvents |
| 04/04/2002 | WO2002026381A2 Ionic liquids and their use |
| 04/04/2002 | US20020039693 Variation in diameter of apertures is prevented by dispersing 2000 or more of precipitates and inclusions from 0.01 mu m to 5 mu m in diameter on the surface of said material per mm2. |
| 04/04/2002 | DE10044565A1 Verfahren zum Ätzen mindestens einer Ionenspur zu einer Pore in einer Membrane und elektrolytische Zelle zur Präparierung einer solchen A method of etching at least one ion track to a pore in a membrane and electrolytic cell for the preparation of such |
| 04/03/2002 | EP1007767B1 Method for producing a filter |
| 04/03/2002 | CN2484340Y Neutral electrolyte etching machine |
| 03/28/2002 | WO2002024977A1 A method for wet etching |
| 03/21/2002 | WO2002023616A1 Integrating metal with ultra low-k dielectrics |
| 03/21/2002 | WO2002022916A1 Method of etching, as well as frame element, mask and prefabricated substrate element for use in such etching |
| 03/21/2002 | US20020033343 Electrolytic machining method and apparatus |
| 03/21/2002 | CA2421799A1 Integrating metal with ultra low-k dielectrics |
| 03/20/2002 | CN1340743A Supporting body for lithographic printing plate and the lithographic printing plate |
| 03/14/2002 | WO2002020877A1 Method for etching at least one ion track to a pore in a membrane and electrolytic cell for preparing said membrane |
| 03/14/2002 | WO2001071796A3 Method for electrochemical polishing of a conductive material |
| 03/14/2002 | US20020032499 Tuning electrodes used in a reactor for electrochemically processing a microelectronic workpiece |
| 03/14/2002 | US20020030779 Liquid crystal display device, manufacturing method thereof, and fabrication apparatus therefor |
| 03/13/2002 | CN1339819A Lead wire frame and its producing method |
| 03/07/2002 | WO2002019391A2 Apparatus and method for floe of process gas in an ultra-clean environment |
| 03/06/2002 | EP1184656A1 Method for structural development of monocrystalline superalloys |
| 02/28/2002 | WO2002016673A1 Electrochemical treating method such as electroplating and electrochemical reaction device therefor |
| 02/27/2002 | EP1181400A1 Electrochemical etching installation and method for etching a body to be etched |
| 02/27/2002 | EP1181396A1 Aluminium alloy sheet |
| 02/21/2002 | US20020020630 Electrochemical machining method and apparatus |
| 02/21/2002 | US20020020629 Lead frame and method of manufacturing the lead frame |
| 02/20/2002 | CN1079300C Surface treatment method |
| 02/14/2002 | WO2002013300A1 Stainless steel substrate treatment |
| 02/14/2002 | CA2417753A1 Stainless steel substrate treatment |
| 02/06/2002 | EP1177333A1 Method of producing a filter |
| 02/06/2002 | EP0914499B1 Method for obtaining a high surface finish on titanium based coatings |
| 01/24/2002 | US20020007750 Process for roughening support material for printing plates |
| 01/24/2002 | DE10131393A1 Herstellung von Gasseparatoren für Brennstoffzellen und dabei verwendete Apparatur Production of gas separators for fuel cells and apparatus used therein |
| 01/22/2002 | US6340425 Method of manufacturing cold cathode device having porous emitter |
| 01/17/2002 | DE10031906A1 Verfahren zur Herstellung von Elektroden sowie damit hergestellte Elektroden A process for the production of electrodes and thus electrodes made |
| 01/16/2002 | EP0733269B1 Porous semiconductor material |
| 01/16/2002 | CN2471798Y Electrochemical polishing apparatus for stainless steel workpieces in mass process |
| 01/08/2002 | CA2230256C Method for producing electrodeposited copper foil and copper foil obtained by same |
| 01/02/2002 | EP1168388A2 Method for manufacturing electrodes and electrodes manufactured by this method |
| 01/02/2002 | EP1167585A2 Method and apparatus for forming interconnects, and polishing liquid and polishing method |
| 12/27/2001 | US20010054449 Alloy pipes and methods of making same |
| 12/20/2001 | US20010053656 Feeding system for electro-chemically polishing contact tips |
| 12/20/2001 | US20010052469 Silicon layer is given an electric potential, while the gate electrode is given a lower electrical potential than the silicon layer, anodic etching of a portion of the silicon layer renders a porous silicon portion |
| 12/11/2001 | US6328876 Providing blank of etchable semiconductor material having a first side and a second side, connecting blank to a current source, illuminating with light, immersing holding element and blank in etching solution until only first side is wetted |
| 12/11/2001 | US6327784 Method of manufacturing a cutting member having an auxiliary layer |
| 12/05/2001 | CN1075844C Method of raising the accuracy and left of cutter by using electrolysis |
| 12/04/2001 | US6325912 Apparatus and method for electrolytic treatment |
| 11/29/2001 | WO2001091170A1 Method and apparatus for radiation-assisted electrochemical etching, and etched product |
| 11/29/2001 | WO2001091163A2 Tuning electrodes used in a reactor for electrochemically processing a microelectronic workpiece |
| 11/28/2001 | EP1157853A2 Process for roughening support material for printing plates |
| 11/27/2001 | US6322424 Electrolytic integrated polishing method for metal workpieces using special abrasive materials |
| 11/22/2001 | WO2001088552A1 Silicon nanoparticles microcrystal nonlinear optical devices |