| Patents for C25F 3 - Electrolytic etching or polishing (4,256) |
|---|
| 11/11/1999 | DE19820756C1 Perforated workpiece especially an optical or mechanical filter with micron or sub-micron size pores |
| 11/09/1999 | US5981308 Method for manufacturing minute silicon mechanical device |
| 11/09/1999 | US5980722 Anodic etching of silicon-containing aluminum alloy to protrude silicon from surface of aluminum alloy |
| 10/27/1999 | EP0777766B1 Method for obtaining well-defined edge radii on cutting tool inserts by electropolishing technique |
| 10/26/1999 | US5971377 Plate springs |
| 10/12/1999 | US5965328 Irradiating coating film with radiation through a mask, developing said coating film with an alkali developer solution, electroplating, peeling |
| 10/12/1999 | US5965005 Mask for porous silicon formation |
| 10/06/1999 | EP0946890A2 Layer with a porous layer area, an interference filter containing such a layer and a method for the production thereof |
| 09/16/1999 | WO1999046431A1 Process and device for the electrolytic polishing of surgical needles |
| 09/15/1999 | EP0941373A1 Method for obtaining well-defined edge radii by electropolishing |
| 09/10/1999 | WO1999045583A1 Method for electrochemically etching a p-type semiconducting material, and a substrate of at least partly porous semiconducting material |
| 09/10/1999 | WO1999045179A1 Method of etching |
| 09/02/1999 | WO1999043873A1 A method for wet etching |
| 09/01/1999 | EP0938597A1 Method for anisotropic etching of structures in conducting materials |
| 08/10/1999 | US5935411 Continuous process for electropolishing surgical needles |
| 08/05/1999 | WO1999039028A1 Method for treating a metal product |
| 07/22/1999 | WO1999036599A1 Semiconductor etching process and apparatus |
| 07/08/1999 | WO1999034421A1 Process for producing a porous layer by an electrochemical etching process |
| 07/08/1999 | CA2315674A1 Process for producing a porous layer by an electrochemical etching process |
| 07/07/1999 | EP0904429A4 A method for removal of films from metal surfaces using electrolysis and cavitation action |
| 07/01/1999 | DE19757560A1 Verfahren zur Herstellung einer porösen Schicht mit Hilfe eines elektrochemischen Ätzprozesses A process for preparing a porous layer with the aid of an electrochemical etching process |
| 06/22/1999 | US5914183 Porous semiconductor material |
| 06/16/1999 | CN1043687C Method and equipment for electrolytic etching of metals to reveal internal quality |
| 06/15/1999 | US5911867 Method for obtaining a high surface finish on titanium-based coatings by electropolishing |
| 06/15/1999 | US5911864 Method of fabricating a semiconductor structure |
| 06/03/1999 | WO1999026758A1 Electrochemical-control of abrasive polishing and machining rates |
| 06/02/1999 | CN1218521A Method for removal of film from metal surfaces using electrolysis and cavitation action |
| 05/18/1999 | US5904830 Process for finishing steelwire |
| 05/12/1999 | EP0914499A1 Method for obtaining a high surface finish on titanium based coatings |
| 05/12/1999 | EP0843747B1 Treatment of cemented carbide substrate to receive a diamond film by CVD |
| 05/11/1999 | US5902475 Method for manufacturing a stent |
| 05/06/1999 | WO1999010566A3 Process chamber and method for depositing and/or removing material on a substrate |
| 05/06/1999 | DE19811210C1 Electrolytically polishing surgical needles while in electrical contact with metal strip counter-electrode |
| 05/04/1999 | US5901032 Method of producing aluminum foil for electrolytic capacitors and product thereof |
| 04/28/1999 | CN2316325Y Electric printer for metal mark |
| 04/27/1999 | US5897761 Surface treatment of matte surface; controlling surface roughness |
| 04/14/1999 | EP0851944B1 Method for producing electrodeposited copper foil and copper foil obtained by same |
| 04/13/1999 | US5893967 Suitable for products such as cathode-ray tube displays of the flat-panel type |
| 04/08/1999 | WO1999016938A1 Selective removal of material using self-initiated galvanic activity in electrolytic bath |
| 04/06/1999 | US5891321 Electrochemical sharpening of field emission tips |
| 03/31/1999 | EP0904429A1 A method for removal of films from metal surfaces using electrolysis and cavitation action |
| 03/31/1999 | EP0904427A1 Galvanized aluminium sheet |
| 03/31/1999 | CN1212297A Method for etching nitride material |
| 03/23/1999 | US5885434 Measuring and storing surface topography of the workpiece during a first scan with a fine tip probe, then using the stored information to control probe position during a second scan in which an electrochemical reaction is performed |
| 03/18/1999 | WO1999013134A1 A procedure for electrochemical polishing of an aluminium substrate to obtain a specular surface thereof |
| 03/18/1999 | WO1999013133A1 A procedure for electrochemical polishing of an aluminium substrate to obtain certain topographical properties thereof |
| 03/04/1999 | WO1999010569A1 Combination electrolytic polishing and polishing and texturing machine and the combination electrolytic polishing and polishing and texturing tape used in the said machine |
| 03/04/1999 | WO1999010566A2 Process chamber and method for depositing and/or removing material on a substrate |
| 02/25/1999 | WO1998028781A3 Layer with a porous layer area, an interference filter containing such a layer and a method for the production thereof |
| 02/25/1999 | DE19735881A1 Annular electrode for thin metal wire tip etching |
| 02/04/1999 | WO1999005344A1 Method for producing a filter |
| 02/04/1999 | CA2297077A1 Method for producing a filter |
| 02/02/1999 | US5865984 Electrochemical etching apparatus and method for spirally etching a workpiece |
| 02/02/1999 | US5865978 Near-field photolithographic masks and photolithography; nanoscale patterning techniques; apparatus and method therefor |
| 01/27/1999 | EP0892862A1 Elctrolyte for electropolishing, method of electropolishing a stainless steel or a nickel alloy utilizing the said electrolyte, and its application to decontamination |
| 01/26/1999 | US5863412 Etching method and process for producing a semiconductor element using said etching method |
| 01/26/1999 | US5863411 Photolithographic formation of accurate micropattern, then electrochemical etching non-masked areas completely through thickness of metal to form apertures |
| 01/26/1999 | US5863233 Field emitter fabrication using open circuit electrochemical lift off |
| 01/14/1999 | WO1999001592A1 Method for electrochemical deposition and/or etching and an electrochemical cell of this nature |
| 01/12/1999 | US5858517 Electrodeposited copper foil for printed wiring board and method of manufacturing the same |
| 01/07/1999 | WO1999000537A1 Impedance-assisted electrochemical technique and electrochemistry for removing material, particularly excess emitter material in electron-emitting device |
| 01/07/1999 | EP0889680A2 Method of removing and/or applying conductive material |
| 01/07/1999 | DE19749832A1 Conductive material application to and-or removal from circuit board |
| 12/30/1998 | EP0887203A1 Manufacturing method of planographic printing plate support and presensitized planographic printing plate |
| 12/29/1998 | US5853561 Method for surface texturing titanium products |
| 12/23/1998 | EP0885452A1 Electrochemical removal of material, particularly excess emitter material in electron-emitting device |
| 12/15/1998 | US5849173 Electrolytic-etching method of reshaping an electrode for fiber splicing |
| 12/09/1998 | EP0882944A1 Method of manufacturing a micromechanical sensing probe, in particular for an atomic force microscope |
| 12/02/1998 | EP0760873B1 Electrolytic method and device for the continuous and uniform metallization or etching of metal surfaces |
| 12/01/1998 | US5843290 Electrolytic polishing apparatus |
| 11/18/1998 | EP0878566A1 Continuous process for electropolishing surgical needles |
| 11/17/1998 | US5837117 First conventional polishing by chemical or electrolytic means and a second anodizing step by mineral, organic or mixed acids |
| 11/12/1998 | WO1998050604A1 Silicon etching process for making microchannel plates |
| 11/11/1998 | CN1198368A Surface treatment method, decorative article and electronics device |
| 11/10/1998 | US5834378 Increasing quantum efficiency of silicon carbide layer by coating an oxide passivating layer on the pore wall to eliminate dangling bonds and surface statics |
| 11/10/1998 | US5834140 Foil having one shiny and one matte surface; plated from an electrolyte containing 3-mercapto-1-propanesulfonate(sodium salt), a carbohydrate or natural rubber, adhesive and chloride ions, bonding strength, printed circuits |
| 11/10/1998 | US5834129 Grained and anodized aluminum substrate for lithographic printing plates |
| 11/10/1998 | US5832834 Aluminum support for lithographic printing plate |
| 11/05/1998 | WO1998049376A1 Field emitter fabrication using open circuit electrochemical lift off |
| 11/05/1998 | WO1998048996A1 Method for making a calender roll and thermoplastic sheets or films obtained by calendering with such a roll |
| 11/04/1998 | EP0874921A1 Process and system for electrochemical treatment of long stretched-out items |
| 10/28/1998 | EP0874068A1 Method for producing an aluminum support for a lithographic printing plate |
| 10/20/1998 | US5824206 P-doped indium phosphides, wafers, cleaning the wafers and wires, placing in optical cells with counter electrodes, placing in nitric acid solution and applying negative voltage and treatment with lasers |
| 10/15/1998 | WO1998045506A1 Method for manufacturing a stent |
| 10/14/1998 | EP0870320A1 Carrier matrix for integrated microanalysis systems, method for the production thereof and use of the same |
| 10/08/1998 | WO1998044174A1 Surface figuring of optical surfaces of silicon carbide by photoelectrochemical etching |
| 09/22/1998 | US5810994 Method for fabricating silicon-on-insulator device wafer |
| 09/16/1998 | CN1039857C Process for producing molded bodies from precursors of oxidic high temp. super conductors |
| 09/09/1998 | CN1192789A Treatment of cemented carbide substrate to receive CVD diamond film |
| 09/09/1998 | CN1192488A Process and device for electrolytic pickling of metallic strip |
| 09/09/1998 | CN1192487A Plated aluminum alloy, cylinder block thereof, planting line and planting method |
| 09/08/1998 | US5804052 Method and device for continuous uniform electrolytic metallizing or etching |
| 09/02/1998 | CN1191903A Electrode structure, electrolytic etching process and apparatus using same, and process for producing photo-electricity generating device |
| 08/20/1998 | WO1998035779A1 Method of providing a metal bearing component with a pattern by electrochemical machining and an apparatus therefor |
| 08/19/1998 | CN1039560C Pole material of electrolytic capacitor aluminium foil and anti-corrosion method of same |
| 08/18/1998 | US5795460 Method for removal of films from metal surfaces using electrolysis and cavitation action |
| 08/11/1998 | US5792333 Subjecting at least one side of foil to electroplating using an alternating current, wherein a sulfuric acid bath or a sulfuric acid/copper sulfate bath is used as electrolyte |
| 08/04/1998 | US5788779 Chemical cleaning method for a clutch friction liner support disc, a workstation for carrying out the method, and an installation including such a workstation for adhesively fastening friction liners on a support disc |
| 07/28/1998 | US5785840 Process for producing a surface structure for a cylinder of a printing machine |
| 07/22/1998 | EP0854501A2 Process for forming hole structures in a silicon substrate by electrochemical etching |