| Patents for C25F 3 - Electrolytic etching or polishing (4,256) |
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| 06/16/1993 | CN1073219A Metal photographic electrolytic working technique |
| 06/09/1993 | EP0545092A2 An apparatus and method for controlling an electrolytic treatment of a subject material |
| 05/26/1993 | EP0543444A1 Die Coating |
| 05/26/1993 | EP0543293A2 Coated article and method for producing same |
| 05/25/1993 | US5213666 Roughning electrochemically the surface of aluminum plate which is rendered an anode in aqueous neutral salt solution by supplying pulse-formed electric potential; forming uniform pits on the surface |
| 05/11/1993 | US5209829 Acid etching bath for titanium alloy of components |
| 04/29/1993 | DE4134976A1 Galvanic application of structures in relief on to endless pressed steel strips - following acid bath treatment with accompanying low redn. in hardness of alloy in welded seam area |
| 04/28/1993 | EP0539236A1 Low-iron loss grain oriented electromagnetic steel sheet and method of producing the same |
| 04/20/1993 | US5203973 Immersing in aqueous solution of alkali metal compound, applying electric current |
| 04/14/1993 | EP0536531A2 Process for graining of aluminum and aluminum alloys respectively for supports for printing plates and a printing plate |
| 04/07/1993 | CN1070736A Electrolytic etching of metals to reveal internal quality |
| 04/06/1993 | CA1315732C Process for manufacturing a partially permeable membrane |
| 04/06/1993 | CA1315731C Process for manufacturing a microfilter |
| 03/31/1993 | EP0534044A1 Method for etching an aluminum foil for an electrolytic capacitor |
| 03/30/1993 | CA1315235C Electrolyte chamber with cathode sealing means for ecm machining |
| 03/24/1993 | EP0532920A2 Zirconium and zirconium alloy passivation process |
| 03/24/1993 | CN1020153C Electrochemical erasing-cutting method and cathodic erasing head thereof |
| 03/16/1993 | US5194127 Polymer electrolyte with cationic exchange group |
| 03/10/1993 | CA2077306A1 Process for roughening aluminum or aluminum alloys as support material for printing plates and a printing plate so roughened |
| 03/04/1993 | WO1993004370A1 Method and apparatus for electrolytically etching metals to reveal internal quality |
| 03/04/1993 | CA2114127A1 Method and apparatus for electrolytically etching metals to reveal internal quality |
| 02/16/1993 | US5186796 High speed determination of internal quality of sample, using hydrochloric acid |
| 02/16/1993 | US5186795 Immersing in acidic electrolyte solution, subject to electric current |
| 02/10/1993 | EP0527062A1 Development bath after phosphoric anodization of titanium alloy |
| 02/04/1993 | WO1993001942A1 Two-stage electrolytic graining process, aluminum sheet material produced thereby and lithographic printing plate comprising such aluminum sheet material |
| 02/04/1993 | CA2111195A1 Two-stage electrolytic graining process, aluminum sheet material produced thereby and lithographic printing plate comprising such aluminum sheet material |
| 01/05/1993 | US5176803 Method for making smooth substrate mandrels |
| 12/30/1992 | EP0520073A1 Method of continuous processing of wire rod |
| 12/29/1992 | US5174869 Electrochemical graining by soaking in an acid solution and applying alternate current to form uniform surface |
| 12/23/1992 | WO1992022688A1 TREATING Al SHEET |
| 12/16/1992 | EP0518766A1 Acid etching bath for titanium alloys before macrographic anodic oxydation |
| 12/15/1992 | US5172207 Semiconductor wafer to be etched electrochemically |
| 12/10/1992 | WO1992021795A1 TREATING Al SHEET |
| 12/10/1992 | WO1992021786A1 Process for forming passive film on stainless steel, and stainless steel and gas- and liquid-contacting part |
| 12/01/1992 | US5167778 Electrochemical etching method |
| 11/26/1992 | WO1992020841A1 Etching process |
| 11/17/1992 | US5164595 Scanning tunneling microscope tips |
| 11/04/1992 | EP0511557A1 Procedure and equipment for deburring of contact pins |
| 11/03/1992 | US5160589 Used in orthodontics, electric current |
| 10/06/1992 | US5152877 Method for producing support for printing plate |
| 09/30/1992 | EP0505548A1 Method and apparatus for spatially uniform electropolishing and electrolytic etching |
| 09/30/1992 | EP0505425A1 Methods of preparation of surfaces and applications thereof |
| 09/22/1992 | US5149404 Determining linewidth by electric field |
| 09/15/1992 | US5147513 Process for the production of a surface structure on printing mechanism cylinders for offset printing presses |
| 09/09/1992 | EP0502507A1 Method and apparatus for electrolytic treatment |
| 09/01/1992 | US5143587 Polymer electrolyte |
| 08/25/1992 | US5141605 Electrochemical surface-roughening, etching treatment and electrochemical surface roughening in acidic medium |
| 08/19/1992 | EP0411061A4 Fe-mn-al-c alloys and their treatment |
| 08/18/1992 | US5139624 Method for making porous semiconductor membranes |
| 08/12/1992 | EP0498274A2 Electrolytic method for forming vias and through holes in copper-invar-copper core structures |
| 08/04/1992 | US5135625 Method and apparatus for polishing the inner surface of metallic tubing |
| 07/17/1992 | WO1992012819A1 Method of and device for continuous processing of wire rod |
| 07/17/1992 | CA2078335A1 Method of and device for continuous processing of wire rod |
| 07/15/1992 | EP0494579A1 Method for electroplating nickel onto titanium alloys |
| 07/02/1992 | DE4134463A1 Graphite moulding material treatment for compression moulding - in which surface is used as anode and treated electrochemically in alkaline soln. |
| 06/16/1992 | US5122243 Uniform grain, free of pits |
| 05/27/1992 | EP0486873A1 Electrochemical method for anisotropic etching of silicon |
| 05/13/1992 | CN1016623B Simple rapid engraving technology on metal materials |
| 05/12/1992 | US5112453 Method and apparatus for producing etched plates for graphic printing |
| 05/06/1992 | CN1060886A Sintered metal sand screen |
| 05/05/1992 | US5110373 Layer having non-uniform dopant concentration |
| 05/01/1992 | WO1992007978A1 A method of producing etched plates for graphic printing and apparatus therefor |
| 04/30/1992 | WO1992007262A1 Electrolytic etching of metals to reveal internal quality |
| 04/30/1992 | WO1992007118A1 Method and apparatus for spatially uniform electropolishing and electrolytic etching |
| 04/30/1992 | WO1992006654A1 Prostheses and methods and apparatus for making same |
| 04/28/1992 | US5108562 Microelectronic packages; using base and oxidizer acid for copper etching |
| 04/23/1992 | WO1992007167A1 Sintered metal sand screen |
| 04/15/1992 | EP0480229A2 Process for the production of a surface structure on impression cylinders for offset printing machines |
| 04/14/1992 | US5104484 Method for manufacturing substrates for ps plates |
| 04/09/1992 | DE4031676A1 Surface treatment of silicon@ wafer by electrochemical etching in dark - includes monitoring of etching progress to produce reproducible surface conditions for subsequent applications |
| 04/07/1992 | US5102520 Electrodepositing of metal; no hydrogen evolution |
| 04/07/1992 | US5102508 Method of producing colored surfaces on parts of aluminum or aluminum alloy |
| 03/24/1992 | US5098533 Multilayer electronic element formed by drilling a hole, immersion in an aqueous nitrate solution and electrolysis |
| 03/18/1992 | EP0475026A1 Apparatus, electrochemical process, and electrolyte for microfinishing stainless steel print bands |
| 03/17/1992 | US5096550 Method and apparatus for spatially uniform electropolishing and electrolytic etching |
| 03/04/1992 | CN1059228A Process for producing molded bodies from precursors of oxidic high temp. super conductors |
| 02/26/1992 | EP0471975A2 Process for producing bodies from preforms of oxide high temperature superconductors |
| 02/18/1992 | US5088554 Sintered metal sand screen |
| 02/18/1992 | CA2048011A1 Process for producing molded bodies from precursors of oxidic high-temperature superconductors |
| 02/11/1992 | US5087342 Continuous steel strand electrolytic processing |
| 02/04/1992 | US5085746 Immersing platinum, iridium or alloy wire in etchant solution and applying current |
| 02/04/1992 | US5085745 Method for treating carbon steel cylinder |
| 01/30/1992 | DE4023951A1 Controlling electrochemical content of metals - where metal is used as electrode in electrolyte whose compsn. at electrode surface is influenced by process |
| 01/21/1992 | US5082537 Electrolysis, mechanical |
| 01/07/1992 | US5078805 Method of producing support for planographic printing-plate |
| 12/31/1991 | US5076899 Aluminum alloy support material and process for producing a support for a lithographic printing plate |
| 12/24/1991 | US5074976 Process for producing aluminum support for lithographic printing plate |
| 12/11/1991 | CN2090379U Stripping pattern type electrolytic etching apparatus |
| 11/27/1991 | EP0457975A1 Electrochemical machining of microholes |
| 11/19/1991 | US5066370 Apparatus, electrochemical process, and electrolyte for microfinishing stainless steel print bands |
| 11/13/1991 | CN1014726B Treating method for electrolytic etching of metal |
| 11/12/1991 | US5064521 Apparatus for electrochemical machining |
| 11/12/1991 | US5064511 Electrochemical graining of aluminum or aluminum alloy surfaces |
| 11/05/1991 | US5062931 Electrochemical polishing of thread fastener test specimens of nickel-chromium iron alloys |
| 10/29/1991 | US5061352 Using hydrochloric acid as etchant to expose surface of steel sample |
| 10/24/1991 | DE4012453A1 Electrochemical etching of cpd. semiconductor crystals for use as phot - using strongly alkaline soln. which features alkali or alkaline earth-cyanide as complexing agent, used for photodetectors |
| 09/11/1991 | EP0445959A1 Electrolytic graining |
| 09/10/1991 | CA1288722C Process for the electrochemical graining of aluminum for use as printingplate supports |
| 09/07/1991 | CA2037594A1 Electrolytic graining |
| 09/03/1991 | US5045157 Process for producing aluminum support for printing-plate |