Patents for C25F 3 - Electrolytic etching or polishing (4,256)
07/1998
07/15/1998EP0853141A2 Method for surface treatment, an ornament and a device
07/14/1998US5779864 Apparatus for adjusting sectional area ratio of metal-covered electric wire
07/02/1998WO1998028781A2 Layer with a porous layer area, an interference filter containing such a layer and a method for the production thereof
07/02/1998DE19653097A1 Schicht mit porösem Schichtbereich, eine solche Schicht enthaltendes Interferenzfilter sowie Verfahren zu ihrer Herstellung Layer with a porous layer area, such a layer containing interference filters, as well as processes for their preparation
07/02/1998CA2274564A1 Layer with a porous layer area, an interference filter containing such a layer and a method for the production thereof
06/1998
06/30/1998US5773369 Photoelectrochemical wet etching of group III nitrides
06/30/1998US5773087 Coated article and method for producing same
06/23/1998US5770336 Lithography mask and fabrication method thereof
06/17/1998EP0847309A2 Tips and substrates for scanning probe microscopy
06/16/1998US5766446 Electrochemical removal of material, particularly excess emitter material in electron-emitting device
05/1998
05/27/1998EP0843747A1 Treatment of cemented carbide substrate to receive cvd diamond film
05/26/1998US5755949 Subjecting aluminum based workpiece in electrolyte to alternating current treatment at specified frequency while imposing specified anodic potential
05/14/1998WO1998019827A1 Wet etch for silicon carbide
05/14/1998DE19710366C1 Anodic pickling of copper-containing composite material
05/13/1998EP0841190A1 Lithographic printing plate
05/07/1998DE19748926A1 Adherent electroplating of silicon@-containing aluminium@ alloy
04/1998
04/30/1998WO1998017839A1 Method of making a pvd-coated hss drill
04/29/1998EP0838542A1 Process and device for electrolytic pickling of metal strips
04/25/1998CA2218765A1 Process and a device for electrolytic pickling of metallic strip
04/15/1998EP0804638A4 Polishing diamond surface
03/1998
03/31/1998US5733432 Contacting with electroconductive graphite; high speed
03/19/1998WO1998011602A1 Method for producing integrated cmos circuits or transducers containing cmos circuits
03/17/1998US5728503 Micro-roughness to improve adhesion, hardness but still provide good image contrast
03/12/1998WO1998010121A1 Method for anisotropic etching of structures in conducting materials
03/11/1998EP0827631A1 Process for structuring porous silicon and a structure containing porous silicon
03/05/1998DE19635404A1 Deburring and/or rounding smoke outlet holes in gun barrels
02/1998
02/19/1998WO1998006884A1 Process and system for electrochemical treatment of long stretched-out items
02/05/1998DE19708766A1 Lithographic mask production without need for SOI wafer
02/03/1998US5715133 Method of producing aluminum foil for electrolytic capacitors and product thereof
02/03/1998US5714271 Electrolytic condenser electrode and aluminum foil therefor
01/1998
01/29/1998WO1998003702A1 Method for obtaining a high surface finish on titanium based coatings
01/28/1998EP0821074A1 Process for producing a strip of an aluminium alloy for lithographic printing plates
01/14/1998CN1037043C Method of etching aluminum foil for electrolytic capacitors
01/14/1998CN1037042C Method of etching aluminum foil for electrolytic condenser
01/07/1998EP0816118A1 Aluminum support for lithographic printing plate
01/06/1998US5705027 Method of removing etching residues
12/1997
12/30/1997US5702586 Polishing diamond surface
12/30/1997US5702583 Using photoresist
12/24/1997WO1997048839A1 Treating aluminium workpieces
12/23/1997US5700518 Fabrication method for diamond-coated cemented carbide cutting tool
12/17/1997EP0812705A1 Method of manufacturing support for planographic printing plate
12/11/1997WO1997046741A1 Method for obtaining well-defined edge radii by electropolishing
12/09/1997US5695628 Loading foil in electrolyte bath with potential voltage and subjecting foil to electromagnetic radiation for reduction of fluid or gas component of bath or as a detector of electromagnetic radiation
11/1997
11/20/1997WO1997043467A1 Galvanized aluminium sheet
11/06/1997WO1997041591A1 Photoelectrochemical wet etching of group iii nitrides
11/05/1997EP0804638A1 Polishing diamond surface
11/05/1997CN1163948A Etching method, process for producing semiconductor element using said etching method
10/1997
10/29/1997CN1163318A Electrolytic copper foil for printed circuit board and its producing method
10/28/1997US5681448 Mounting semiconductor substrate and counterelectrode on facing surfaces of first and second walls, circulating etching solution to flow through region between walls, applying electric potential between substrate and electrode
10/23/1997WO1997039168A1 Elctrolyte for electropolishing, method of electropolishing a stainless steel or a nickel alloy utilizing the said electrolyte, and its application to decontamination
10/21/1997US5679044 Process for the production of a microtip electron source
10/16/1997WO1997038152A1 A method for removal of films from metal surfaces using electrolysis and cavitation action
10/16/1997CA2252028A1 A method for removal of films from metal surfaces using electrolysis and cavitation action
10/08/1997EP0800081A1 Method of performing fine working
09/1997
09/30/1997US5672449 Silicon membrane and method of making same
09/24/1997CN1035931C Metal photographic electrolytic working method
09/18/1997WO1997034030A1 Solution for galvanic polishing of metal jewelry
09/16/1997US5667666 Process for electrochemically roughening a surface of a metal web
09/12/1997WO1997033297A1 Electrochemical removal of material, particularly excess emitter material in electron-emitting device
08/1997
08/26/1997US5660708 Process for manufacturing a lead frame
08/19/1997CA1339310C Electrolytic etching of metals to reveal internal quality
07/1997
07/23/1997EP0785295A1 Electrolytic copper foil for printed wiring board and method for manufacturing the same
07/22/1997US5650059 Method of making cemented carbide substrate
07/22/1997US5650043 Etching method using NH4 F solution to make surface of silicon smooth in atomic order
06/1997
06/25/1997CN1152634A Aluminium material electrolytic polishing of reversal current method
06/24/1997US5641391 Three dimensional microfabrication by localized electrodeposition and etching
06/11/1997EP0778158A1 Lithographic printing plates having a smooth, shiny surface
06/11/1997EP0777905A2 Method of producing aluminum foil for electrolytic capacitors and product thereof
06/11/1997EP0777766A1 Method for obtaining well-defined edge radii on cutting tool inserts by electropolishing technique
06/11/1997EP0598771B1 Method for electrolytically etching metals to reveal internal quality
06/11/1997CN1151451A Metal surface polishing solution and polishing tech.
06/05/1997CA2190923A1 Lithographic printing plates having a smooth, shiny surface
06/04/1997EP0776770A1 Substrate made out of aluminium or its alloy with hydrophilic layer and method of preparation thereof
06/04/1997CN1150982A Dynamic electrolytic composite polishing method of stainless steel equipment
06/04/1997CN1035047C Electrolytically and mechanically combined polishing technology for inner surface of container
06/03/1997US5635084 Deoxidizing surface, contacting with chromate-containing solution having acidic ph, rinsing with water, contacting with nitric acid solution
05/1997
05/30/1997CA2164021A1 Surface treatment of stainless steel
05/20/1997US5630932 Sodium hydroxide etching by immersion in solutions
05/15/1997DE19533265A1 Simultaneous degreasing and etching of metal surface with easily recycled solvent mixture
05/07/1997CN1034820C Etching Technique of anode Al foil of electrolysis capacitor
04/1997
04/29/1997US5624626 Method of treating a ceramic body to form a wettable surface
04/08/1997US5618739 Method of making light valve device using semiconductive composite substrate
04/03/1997DE19529222C1 Electrolytic prodn. of TEM specimen
04/01/1997US5616231 Electropolishing aluminum alloy surface by a brightener solution containg phosphoric acid, water and suspended mineral particles, desmuting, applying protective coating by anodizing and sealing
03/1997
03/27/1997WO1997011210A1 Method for producing electrodeposited copper foil and copper foil obtained by same
03/27/1997WO1997010901A1 Tips and substrates for scanning probe microscopy
03/25/1997US5614076 Tool and method for electroetching
03/12/1997EP0760873A1 Electrolytic method and device for the continuous and uniform metallization or etching of metal surfaces
02/1997
02/27/1997WO1997007264A1 Treatment of cemented carbide substrate to receive cvd diamond film
02/27/1997CA2225373A1 Treatment of cemented carbide substrate to receive cvd diamond film
02/20/1997WO1997001179A3 Method of producing aluminum foil for electrolytic capacitors and product thereof
02/19/1997CN1143123A Polishing liquid for metal surface
02/12/1997CN1142875A 多孔半导体材料 Porous semiconductor material
02/11/1997US5602488 Method and apparatus for adjusting sectional area ratio of metal-covered electric wire
02/05/1997EP0757122A1 Process for electrochemically roughening a surface of a support for lithographic printing plate
01/1997
01/09/1997WO1997001179A2 Method of producing aluminum foil for electrolytic capacitors and product thereof
01/07/1997US5591320 Method for obtaining well defined edge radii on cutting tool inserts by electropolishing technique
12/1996
12/18/1996EP0586504B1 TREATING Al SHEET
12/10/1996US5582654 Deoxidizing, immersing the surface in cerium nitrate solution, electrically charging while contacting with sodium molybdate solution, finally immersing in cerium chloride solution
12/04/1996EP0745703A1 Process for electrolytic polishing of metallic surfaces in two steps for improving their optical properties and resulting products
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