Patents for C25F 3 - Electrolytic etching or polishing (4,256)
12/1996
12/03/1996US5580300 Method and apparatus for surface polishing
11/1996
11/28/1996WO1996037911A1 Process for structuring porous silicon and a structure containing porous silicon
11/21/1996WO1996036990A1 Silicon-based semiconductor component with a porous layer and process for producing porous silicon layers
11/21/1996DE19621144A1 Prodn. of silicon based component with a porous layer
11/13/1996CA2175744A1 Dual step metal surfaces electropolishing for improved optical properties and resultant products
11/12/1996CA1338709C Electrolytic process and apparatus for forming pattern on surface of metallic object
11/05/1996US5571389 Device for the electrochemical treatment especially the local electrochemical treatment, of conductive substrate
10/1996
10/30/1996EP0739753A1 Surface structure production, especially for impression cylinders
10/24/1996DE19548938A1 Prodn. of semiconductor devices
10/24/1996DE19518371C1 Etching process for porous silicon structure prodn
10/22/1996US5567304 Elimination of island formation and contact resistance problems during electroetching of blanket or patterned thin metallic layers on insulating substrate
10/22/1996US5567300 Multilayer copper connectors in thin films modules
10/16/1996EP0737594A2 Improved process for the surface treatment of lithographic printing plate precursors
10/16/1996EP0737257A1 A method for desmutting aluminum alloys having a highly reflective surface
10/15/1996US5565084 Forming hole for tube, etchant solution, electrode, current source in silicon substrate
10/11/1996CA2173653A1 Process for the surface treatment of lithographic printing plate precursors
10/03/1996WO1996030934A1 Carrier matrix for integrated microanalysis systems, method for the production thereof and use of the same
10/02/1996EP0589996B1 TREATING Al SHEET
09/1996
09/25/1996EP0733269A1 Porous semiconductor material
09/25/1996EP0652982B1 Process for the electrolytic processing especially of flat items and arrangement for implementing the process
09/03/1996US5551585 Process for the surface treatment of lithographic printing plate precursors
08/1996
08/14/1996EP0520073B1 Method of continuous processing of wire rod
08/06/1996US5543032 Electroetching method and apparatus
07/1996
07/31/1996CN1127803A Method for electrochemical processing metal extrusion die
07/23/1996US5538600 Cleaning body, electrobrightening, and desmutting in bath comprising nitric acid, acetic acid, water and a source of flouride
07/11/1996WO1996021053A1 Apparatus and method for electropolishing metal workpieces
07/04/1996WO1996020059A1 Method of machining a component of a bearing, an electrode for electrochemically machining said component and a method of manufacturing an electrode
07/04/1996DE4447330A1 Tellerfeder Cup spring
07/04/1996DE19548115A1 Semiconductor substrate electrochemical micromachine etching process
07/02/1996US5531874 Electroetching tool using localized application of channelized flow of electrolyte
06/1996
06/20/1996WO1996018759A1 Method for obtaining well-defined edge radii on cutting tool inserts by electropolishing technique
05/1996
05/28/1996CA1338350C Permanent domain refinement by aluminum deposition
05/23/1996DE19515394C1 Producing surface structure for printing machine cylinder
05/21/1996US5518589 Method of producing support for planographic printing plate
05/21/1996CA2092308C Sintered metal sand screen
05/01/1996EP0709494A2 Method of surface-roughening treatment of copper foil
04/1996
04/30/1996US5512154 Apparatus for selectively electroplating apertured metal or metallized products
04/24/1996EP0708473A1 Manufacturing method for micropoint electron source
04/16/1996US5507924 Method and apparatus for adjusting sectional area ratio of metal-covered electric wire
04/16/1996US5507923 Method and apparatus for electrolytic polishing of tubular products
04/11/1996DE19530944A1 Formation of micro-mechanical structures in silicon for e.g. ink jet print head
04/10/1996CN1120078A Method of quick and deep chemical etching for stainless steel
04/04/1996WO1996010104A1 Electrolytic solution for electrolytic polishing and method of electrolytic polishing
04/04/1996DE4435146A1 Prodn. of workpiece material with porosity gradient in one or more directions
04/03/1996EP0704660A2 Solar collector
04/03/1996EP0704555A1 Aluminium electrode
04/03/1996CN1119680A Superfine etching method for stainless steel
04/02/1996US5503718 Continuously decreasing current density from maximum value while etching foil having a high cubic texture to form and enlarge pits
03/1996
03/19/1996US5500101 Alternating current, variation in waveform and amplitude, half waves, rest period
03/13/1996EP0553209B1 Sintered metal sand screen
03/06/1996EP0699782A1 High speed electrochemical metal removal technique for planarization of DLM structure using neutral salt electrolytes
02/1996
02/22/1996DE19527314A1 Fabrication of silicon membrane with predefined parameters
02/21/1996CN2220479Y Upper-putting electrolysis liquid chamber type word printing head
02/21/1996CN2220478Y Combined electrolytic head
02/14/1996EP0584168B1 Etching process
01/1996
01/23/1996US5486282 Electroetching process for seed layer removal in electrochemical fabrication of wafers
01/11/1996WO1996000806A1 Polishing diamond surface
01/09/1996US5482598 Micro channel element and method of manufacturing the same
01/02/1996US5480519 Semiconductors
12/1995
12/27/1995CN1113969A Surface treatment method for titanium matrix metal electrode
12/19/1995US5476575 Flowing sodium nitrate between mask and cathode while applying voltage
12/07/1995WO1995033086A1 Electrolytic method and device for the continuous and uniform metallization or etching of metal surfaces
12/05/1995US5472735 Forming through hole, cleaning, selectively etching surface and electrolessly depositing a conductive metal
11/1995
11/29/1995CN1112721A Pole material of electrolytic capacitor aluminium foil and anti-corrosion method of same
11/07/1995US5464509 P-N junction etch-stop technique for electrochemical etching of semiconductors
11/01/1995CN1111029A Method of etching aluminum foil for electrolytic capacitors
11/01/1995CN1111028A Method of etching aluminum foil for electrolytic condenser
09/1995
09/21/1995WO1995025186A1 Surface treatment process for flat silicon bodies
09/21/1995DE19510852A1 Treating surfaces of flat silicon bodies
09/13/1995EP0671489A1 Method of etching aluminum foil for electrolytic capacitors
09/12/1995US5449441 Lithographic printing plate support
09/06/1995CN1107904A Electrochemical polishing method for aluminum or aluminum alloy welding wire
09/06/1995CN1107902A Process for the accelerated etching and refining of metals in ammoniacal etching systems
08/1995
08/29/1995US5445718 Electrochemical etch-stop on n-type silicon by injecting holes from a shallow p-type layer
08/09/1995CN1106475A Etching technique of anode Al foil of electrolysis capacitor
08/08/1995US5439565 Method of manufacturing electrode foil for aluminium electrolytic capacitors
08/08/1995CA1336550C Corrosion resistance alloys
08/02/1995EP0665310A1 Method of etching metal foil
07/1995
07/27/1995WO1995020062A1 A method for desmutting aluminum alloys having a highly reflective surface
07/27/1995DE4401896A1 Control of shining action on cobalt@- chromium@ dental alloys
07/27/1995CA2181703A1 A method for desmutting aluminum alloys having a highly reflective surface
07/19/1995EP0663461A1 Apparatus for electrochemically treating in particular selectively a conducting workpiece
07/12/1995EP0662700A1 Aluminium foil used as an electrolytic capacitor electrode, and method of etching same
07/11/1995US5431766 System for the photoelectrochemical etching of silicon in an anhydrous environment
07/05/1995EP0661390A1 Method of etching aluminum foil for electrolytic condensor
06/1995
06/28/1995EP0659909A1 Electrochemical graining method
06/23/1995CA2137423A1 Electrochemical graining method
06/21/1995EP0658220A1 A method of producing etched plates for graphic printing and apparatus therefor
06/15/1995WO1995016280A1 Porous semiconductor material
05/1995
05/24/1995DE4339320A1 Verfahren zum beschleunigten Ätzen und Abscheiden von Metallen in ammoniakalischen Ätzanlagen A method for accelerated etching and deposition of metals in ammoniacal etching equipment
05/23/1995US5417819 Removal of particles from surfaces after cleaning and electrobrightening
05/18/1995DE4338734A1 Method for surface treatment of metals and alloys by electrolytic etching
05/17/1995EP0652982A1 Process for the electrolytic processing especially of flat items and arrangement for implementing the process.
05/17/1995CN1102614A Offset Al plate graining mixed electrolytic solution and graining technique
04/1995
04/25/1995CA1335371C Method for treating electrical steel by electroetching and electrical steel having permanent domain refinement
04/20/1995DE4418278C1 Electrolytic process for treatment of printed circuit boards in horizontal continuous plants
04/20/1995DE4417550C1 Method for the electrolytic treatment of microstrip line circuit boards and flexible microstrip line circuit boards
04/18/1995US5407868 Method of making an electrode tip for a tunnel current sensing device
04/11/1995US5405493 Method of etching aluminum foil
04/06/1995DE4333935A1 Process and arrangement for etching noble metals
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