| Patents for C23F 1 - Etching metallic material by chemical means (16,062) |
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| 09/29/1993 | EP0562784A1 Apparatus and method for shielding a workpiece holding mechanism from depreciative effects during workpiece processing |
| 09/29/1993 | EP0562187A1 Process for production of copper through-hole printed wiring boards |
| 09/28/1993 | US5248398 Electrowinning |
| 09/28/1993 | US5248386 Hydrofluoric acid and a chlorate, perchlorate, persulfate or peroxide, titanium and alloys |
| 09/28/1993 | US5248383 Process for producing cutting dies |
| 09/28/1993 | US5248382 Removing copper in form copper oxide with ammonium salts, regeneration of solution |
| 09/28/1993 | US5248381 Corrosion resistance with hydrogen sulfate for turbine blades |
| 09/23/1993 | DE4208582A1 Regeneration process and appts. for copper chloride etching and pickling solns. - utilising dissolved oxygen@ content as re-oxidant, making process economical |
| 09/15/1993 | EP0560442A1 Method of manufacturing an electrically conductive pattern of tin-doped indium oxide (ITO) on a substrate |
| 09/15/1993 | EP0559900A1 Method of surface treating rolling roll |
| 09/14/1993 | US5244539 Nitric acid, source of ferric ions, halide ions, ammonium ions |
| 09/14/1993 | US5244527 Manufacturing unit for semiconductor devices |
| 09/08/1993 | EP0559379A1 Composition and method for stripping tin or tin-lead alloy from copper surfaces |
| 09/07/1993 | US5243320 Resistive metal layers and method for making same |
| 09/07/1993 | US5242544 Enhance adhesion |
| 09/07/1993 | US5242543 Wet etching method for forming metal film pattern having tapered edges |
| 09/07/1993 | US5242542 Phosphoric acid, alcohol, hydroquinone and water |
| 09/07/1993 | US5242540 Process for producing thin copper foil-clad circuit board substrate |
| 09/05/1993 | CA2089280A1 Method for producing articles by chemical vapor deposition and the articles produced therefrom |
| 09/01/1993 | CN1021976C Apparatus for treating surface of continuously moving strips, esp for pickling |
| 09/01/1993 | CN1021975C Pattern transplanting and engraving process of inside wall of die cavity |
| 08/31/1993 | US5240746 System for performing related operations on workpieces |
| 08/31/1993 | US5239863 Cantilever stylus for use in an atomic force microscope and method of making same |
| 08/26/1993 | DE3348401C2 Electrolyte regeneration of ammoniacal etching soln. |
| 08/24/1993 | US5238529 Anisotropic metal oxide etch |
| 08/24/1993 | CA1321625C Process and apparatus for micro-pattern forming on roll surface, metal sheets for pressworking prepared by the roll, and the method of preparing same |
| 08/19/1993 | WO1993016214A1 Process for cleaning a photographic process device |
| 08/17/1993 | US5236552 Exposing to mixture of fluoro-containing organic acid, corrosion inhibitor, amide solvent |
| 08/11/1993 | EP0554307A1 Prostheses and methods and apparatus for making same |
| 08/11/1993 | EP0515577A4 Making and testing an integrated circuit using high density probe points |
| 08/10/1993 | US5234542 Aqueous solution of sulfuric acid and one member selected from inorganic nitrate and nitric acid or mixtures thereof |
| 07/22/1993 | WO1993014377A1 Method of manufacturing reference samples for calibrating amount of measured displacement and reference sample, and measuring instrument and calibration method |
| 07/22/1993 | WO1993011996A3 Cleaning and etching methods utilising acoustic fields |
| 07/20/1993 | US5228949 Panels for printed circuits |
| 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 | US5227010 Regeneration of ferric chloride etchants |
| 07/13/1993 | US5227009 Masking sheet and method of producing processed metal product |
| 07/07/1993 | EP0550176A1 Manufacturing method, including etch-rate monitoring |
| 07/06/1993 | US5225038 Orbital chemical milling |
| 06/29/1993 | US5223687 Contacting the metal electrode with the surface of a substrate and moving the area where the electrode contacts the film; film of indium oxide or indium tin oxide |
| 06/29/1993 | US5223087 Chemical solubilizing agent for tin or tin alloy |
| 06/24/1993 | WO1993011996A2 Cleaning and etching methods utilising acoustic fields |
| 06/24/1993 | WO1993011860A1 Electrodialytic recovery process |
| 06/23/1993 | EP0547512A1 Crystallizer filter |
| 06/23/1993 | EP0547416A2 Fluid treatment apparatus and method |
| 06/23/1993 | CN1073547A Resistiue metal layers and method for making same |
| 06/22/1993 | US5221421 Controlled etching process for forming fine-geometry circuit lines on a substrate |
| 06/22/1993 | US5221420 Etching method for increased circuitized line width and uniformity |
| 06/22/1993 | US5221366 Oxidizing metal to metal oxide thin film, complexing and sublimation of metal-ligand complex from the surface |
| 06/22/1993 | US5220934 Automatic continuous processing apparatus |
| 06/16/1993 | EP0546852A1 Methods and apparatus for generating a plasma for "downstream" rapid shaping of surfaces of substrates and films |
| 06/16/1993 | EP0546448A1 Emulsion printing plates and evacuation channels |
| 06/15/1993 | US5219484 Acidic solution of ferric nitrate, alkali metal nitrate, nitric acid, chelating agent |
| 06/14/1993 | CA2082184A1 Crystallizer filter |
| 06/10/1993 | WO1993011532A1 Dual-layer etch process |
| 06/08/1993 | US5217569 Aqueous solution of nitric, hydrofluoric and citric acids with ammonium formate, surfactant and group eight metal or copper is used for milling of titanium alloy surfaces while preventing embrittlement |
| 06/02/1993 | CN1072737A Method for treating etchant |
| 06/01/1993 | US5215624 Nitrate-free; etching, pickling, milling titanium alloys with aqueous ammonium fluoride, hydrogen chloride and chlorate |
| 05/27/1993 | WO1993010286A1 PRODUCTION OF CLEAN, WELL-ORDERED CdTe SURFACES USING LASER ABLATION |
| 05/27/1993 | WO1993010279A1 Orbital chemical milling |
| 05/26/1993 | EP0543444A1 Die Coating |
| 05/26/1993 | EP0543293A2 Coated article and method for producing same |
| 05/19/1993 | EP0542337A1 An oil sensor and methods of making and using the same |
| 05/19/1993 | CN1072218A Recovery for lead-tin on face of copper and copper alloy products |
| 05/18/1993 | US5211807 Titanium-tungsten etching solutions |
| 05/18/1993 | US5211794 Wafer etching apparatus |
| 05/13/1993 | WO1993009563A1 Method and apparatus for controlled spray etching |
| 05/13/1993 | WO1993009267A1 Process for regenerating an ammoniacal etching agent and device for implementing it |
| 05/13/1993 | WO1993008932A1 Apparatus and method for transporting materials which are to be chemically treated |
| 05/13/1993 | DE4218843A1 Verfahren zur regeneration eines ammoniakalischen aetzmittels sowie vorrichtung zur durchfuehrung dieses verfahrens Process for regenerating an ammoniacal etching agent and device for implementing said method |
| 05/13/1993 | DE4137022A1 Regeneration of sulphuric acid, per:oxo:di:sulphate etching solns. contg. copper - by using a process requiring no interruptions for accumulated copper@ removal |
| 05/13/1993 | CA2123115A1 Method and apparatus for controlled spray etching |
| 05/11/1993 | US5209829 Acid etching bath for titanium alloy of components |
| 05/11/1993 | US5209818 Manufacture of a micromechanical element with two degrees of freedom |
| 05/05/1993 | EP0540290A2 Expandable stents and method for making same |
| 05/05/1993 | EP0539792A1 Method for regenerating etchant |
| 04/29/1993 | WO1993008317A1 Composition for stabilizing inorganic peroxide solutions |
| 04/29/1993 | WO1993004722A3 Flexible tubular device for use in medical applications |
| 04/29/1993 | DE4135087A1 Regenerating spent aluminium@-contg. nitric acid soln. - from chemical surface treatments of aluminium@ parts, with redn. of effluent nitrate content and recovery of free and combined acid |
| 04/29/1993 | CA2121691A1 Composition for stabilizing inorganic peroxide solutions |
| 04/27/1993 | US5205903 Gas etching, vapor deposition |
| 04/14/1993 | EP0536339A1 Process for producing a matt pressing surface of a pressing tool used to shape the surface of pressed laminates. |
| 04/13/1993 | US5202222 Selective and precise etching and plating of conductive substrates |
| 04/13/1993 | US5201997 Chemical milling of niobium |
| 04/13/1993 | US5201989 Anisotropic niobium pentoxide etch |
| 04/06/1993 | US5200027 Forming multilayer structure, photolithography, coating zinc and etching |
| 04/06/1993 | US5200025 Method of forming small through-holes in thin metal plate |
| 04/01/1993 | WO1992014864A3 Selective demetallization method and apparatus and products obtained by this method |
| 03/31/1993 | EP0534240A1 Method for etching metal thin film consisting essentially of aluminum and for producing thin film transistor |
| 03/30/1993 | US5198141 Process for cleaning a photographic process device |
| 03/30/1993 | US5198085 Restoration of alkali hydroxide etchants of aluminum |
| 03/24/1993 | EP0533070A2 Volatile precursors for copper CVD |
| 03/18/1993 | WO1993004722A2 Flexible tubular device for use in medical applications |
| 03/18/1993 | CA2117088A1 Flexible tubular device for use in medical applications |
| 03/17/1993 | EP0497925A4 Method for printed circuit board pattern making using selectively etchable metal layers |
| 03/10/1993 | EP0531149A2 Etching rate determining method and apparatus |
| 03/10/1993 | EP0530236A1 Process and device for monitoring and controlling etching operations. |
| 03/09/1993 | US5192394 Fluid treatment apparatus and method |
| 03/03/1993 | EP0530003A1 Resistive metal layers and method for making same |
| 03/03/1993 | EP0529332A1 Process for automatically controllable lowering the nitrite content in nitrite containing aqueous solutions to a concentration of less than 1 mg/l |