| Patents for C25F 3 - Electrolytic etching or polishing (4,256) |
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| 03/29/1995 | EP0645260A1 Method of producing support for planographic printing plate |
| 03/14/1995 | US5397220 Canned motor pump |
| 03/07/1995 | US5395489 Lithographic plate support |
| 02/28/1995 | US5393355 Low-iron loss grain oriented electromagnetic steel sheet and method of producing the same |
| 02/14/1995 | CA1334370C Method for producing low iron loss grain oriented silicon steel sheets |
| 02/02/1995 | DE4325472A1 Method and device for surface polishing |
| 01/31/1995 | US5385652 Method of etching using a silver/silver oxide reference electrode |
| 01/31/1995 | US5385651 Digital electrochemical etching of compound semiconductors |
| 01/18/1995 | EP0634498A1 Etched sputtering target and process |
| 01/11/1995 | EP0552143B1 Electrolytic etching of metals to reveal internal quality |
| 01/10/1995 | US5380408 Cutting tools |
| 01/10/1995 | CA2100227A1 Method and apparatus for surface polishing |
| 01/03/1995 | US5378331 Apparatus and method for electropolishing metal workpieces |
| 01/03/1995 | US5378330 Method for polishing micro-sized structures |
| 12/22/1994 | WO1994029061A1 System and method for electrolytic deburring |
| 12/20/1994 | US5374338 Selective electroetch of copper and other metals |
| 12/08/1994 | WO1994028203A1 Digital electrochemical etching of compound semiconductors |
| 11/30/1994 | EP0411061B1 Fe-Mn-Al-C ALLOYS AND THEIR TREATMENT |
| 11/22/1994 | US5366814 Copper foil for printed circuits and process for producing the same |
| 11/08/1994 | US5362370 Method for the electrolytic removal of plastic mold flash or bleed from the metal surfaces of semiconductor devices or similar electronic components |
| 11/08/1994 | CA1332914C Steel wire for the reinforcement of elastomers |
| 11/01/1994 | US5360521 Wafers of semiconductors with conductive layers and etching surfaces |
| 10/27/1994 | WO1994024341A1 Improved method for lift-off of epitaxial layers |
| 10/26/1994 | EP0621355A2 Process for manufacturing a hole structure in a silicium substrate |
| 10/25/1994 | US5358610 Electrochemical roughening aluminum web |
| 10/11/1994 | US5354437 Multi-element microelectropolishing method |
| 10/04/1994 | US5352341 Electrolysis by exposing silicon surface to hydrofluoric acid solution by creating potential difference between wafer and solution |
| 09/27/1994 | US5350465 Method of mechanical structuring of endless pressing bands and product thereof |
| 09/21/1994 | EP0616054A2 Method of manufacturing electrode foil for aluminium electrolytic capacitors |
| 09/21/1994 | EP0616052A1 A method and an apparatus for selectively electroplating apertured metal or metallized products |
| 09/20/1994 | US5348627 Process and system for the photoelectrochemical etching of silicon in an anhydrous environment |
| 09/14/1994 | EP0614994A1 Spring steel wires and process for producing the same |
| 09/13/1994 | US5346597 By placing in an etching solution containing acid or alkali and applying an alternating current |
| 09/06/1994 | US5344539 Electrochemical fine processing apparatus |
| 09/06/1994 | US5344517 Electrochemically dissolving etch layer located between film and substrate |
| 08/16/1994 | US5338416 Electrochemical etching process |
| 08/09/1994 | US5336379 Photoelectro-chemical etching method and apparatus of compound semiconductor |
| 08/03/1994 | CN1090343A Surface treatment apparatus for workpieces |
| 08/02/1994 | US5334294 Passing continuously through electrolytic polishing bath with installed cathode, turning on electricity only when portion to be processed is in bath, increasing speed otherwise |
| 07/27/1994 | EP0607956A1 Method of electrochemical manufacture of metallic plates and apparatus therefor |
| 07/27/1994 | EP0607894A1 Shaped-tube electrolytic polishing process |
| 07/12/1994 | US5328573 Method for electrochemically roughening a surface of a metal plate |
| 06/29/1994 | EP0603485A1 Electrolytic etching process |
| 06/21/1994 | US5322613 Method and apparatus for marking orthodontic products |
| 06/16/1994 | DE4310205C1 Prodn. of hole structure in silicon substrate - by producing pores in substrate by etching, forming mask on substrate and selectively etching |
| 06/14/1994 | US5320721 Shaped-tube electrolytic polishing process |
| 06/07/1994 | US5318676 Photolithographic fabrication of luminescent images on porous silicon structures |
| 06/07/1994 | US5318091 Die coating |
| 06/01/1994 | EP0598771A1 Method and apparatus for electrolytically etching metals to reveal internal quality. |
| 05/11/1994 | EP0596121A1 Process for forming passive film on stainless steel, and stainless steel and gas- and liquid-contacting part |
| 05/11/1994 | EP0596005A1 Two-stage electrolytic graining process, aluminum sheet material produced thereby and lithographic printing plate comprising such aluminum sheet material |
| 04/26/1994 | US5306647 Stripping self-supporting layer of n-doped monocrystalline silicon from substrate by electrochemical etching |
| 04/19/1994 | US5304298 Electrochemical surface treatment; anodizing |
| 04/06/1994 | EP0589996A1 TREATING Al SHEET. |
| 04/05/1994 | US5300200 Method for stabilizing the effective dissolution valence of silicon during electrochemical depth profiling |
| 04/05/1994 | CA1328241C Process for producing aluminum support for printing plate |
| 03/31/1994 | DE4232636A1 Roughening of surface of aluminium@ foil - in which etching tunnels are formed |
| 03/16/1994 | EP0586504A1 TREATING Al SHEET. |
| 03/09/1994 | EP0585586A1 Method for electrolytic treatment |
| 03/02/1994 | EP0584168A1 Etching process. |
| 02/22/1994 | US5288382 Optical fine processing apparatus |
| 02/22/1994 | CA2054103C Method for providing contaminant free gas |
| 02/17/1994 | WO1994003655A1 Process for the electrolytic processing especially of flat items and arrangement for implementing the process |
| 02/16/1994 | CN1081946A Electrolytically and mechanically combined polishing technology for inner surface of container |
| 02/15/1994 | US5286355 Position of wire during etching operation is mechanically controlled while etching current is monitored |
| 02/08/1994 | US5284554 Electrochemical micromachining tool and process for through-mask patterning of thin metallic films supported by non-conducting or poorly conducting surfaces |
| 02/03/1994 | DE4324330A1 Verfahren zum elektrolytischen Behandeln von insbesondere flachem Behandlungsgut, sowie Anordnung, insbesondere zur Durchführung des Verfahrens A method for the electrolytic treatment in particular of flat material to be treated, as well as arrangement, in particular for performing the method |
| 02/02/1994 | EP0581210A1 Section stainless steel having good image clarity |
| 01/11/1994 | US5277769 Serving the semiconductor region as anode to form pore |
| 01/05/1994 | CN1080333A Electrolytic etching method of metal test-piece |
| 01/04/1994 | CA1325788C Process for the electrochemical roughening of aluminum for use in printing plate supports |
| 12/22/1993 | CN1023242C Sintered metal sand screen |
| 12/21/1993 | US5271818 Apparatus for roughening a substrate for photosensitive layers |
| 12/14/1993 | US5269890 Electrochemical process and product therefrom |
| 12/12/1993 | CA2096580A1 Process and apparatus for electro-decolorizing a molten glass mass containing chromogenic agents |
| 11/24/1993 | EP0571015A1 Electrolytic cleaning method for metal surfaces of electronic components |
| 11/23/1993 | US5264110 Electrolytic square wave graining |
| 11/23/1993 | US5264109 Resistance to hydriding |
| 11/16/1993 | US5262021 Doping a silicon wafer, etching with fluoride to produce holes |
| 11/11/1993 | DE4239538C1 Precision etching small areas of substrate - in which cathodically connected substrate is contacted with electrolytic soln. and areas to be etched are contacted by micro carbon@ fibre electrode |
| 11/02/1993 | US5258107 Method for manufacturing a cantilever with sharpened metal needle |
| 10/26/1993 | US5256262 System and method for electrolytic deburring |
| 10/06/1993 | EP0563782A2 Optical fine processing apparatus |
| 10/06/1993 | EP0563616A2 Electrochemical fine processing apparatus |
| 10/06/1993 | EP0553209A4 Sintered metal sand screen |
| 10/05/1993 | US5250507 Process for producing molded bodies from precursors of oxidic high-temperature superconductors |
| 09/22/1993 | EP0561522A1 Method for electropolishing mandrels |
| 09/05/1993 | CA2089274A1 Method for making smooth substrate mandrels for use in fabricating cvd diamond water jet nozzles |
| 09/01/1993 | CN1021975C Pattern transplanting and engraving process of inside wall of die cavity |
| 08/11/1993 | EP0554307A1 Prostheses and methods and apparatus for making same |
| 08/04/1993 | EP0553465A1 Process for the manufacture of a perforated work article |
| 08/04/1993 | EP0553464A1 Fabrication process of a solar cell from a wafer substrate |
| 08/04/1993 | EP0553209A1 Sintered metal sand screen. |
| 07/28/1993 | EP0552143A1 Electrolytic etching of metals to reveal internal quality. |
| 07/22/1993 | WO1993014249A1 Methods and apparatus for electrochemical machining |
| 07/14/1993 | EP0550831A1 Electrochemical micromachining tool and process for through-mask patterning of thin metallic films supported by non-conducting or poorly conducting surfaces |
| 07/13/1993 | US5227035 Nitrohydrofluoric development bath for titanium alloy components |
| 07/13/1993 | US5227034 Method for electrolytic etching of silicon carbide |
| 07/13/1993 | US5227033 Electrolytic etching of metals to reveal internal quality |
| 06/22/1993 | US5221442 Method and apparatus for electrolytic treatment |