| Patents for C23F 1 - Etching metallic material by chemical means (16,062) |
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| 01/23/1997 | WO1997002370A1 Method of treating lead-containing surfaces to passivate the surface lead |
| 01/23/1997 | DE19628264A1 Formation of finely-detailed printed circuits esp. for semiconductor component mounting plates |
| 01/14/1997 | US5593602 Metal substrate for a magnetic disc and manufacture thereof |
| 01/14/1997 | US5592958 Apparatus for processing a circuit board substrate |
| 01/14/1997 | CA2066947C Uniformity of copper etching in the fabrication of multilayer printed circuit boards |
| 12/31/1996 | US5588827 Passive gas substrate thermal conditioning apparatus and method |
| 12/27/1996 | WO1996041902A1 Ammoniacal metal solution recycling process |
| 12/27/1996 | EP0750336A2 Etching method of silicon wafer surface and etching apparatus of the same |
| 12/27/1996 | CA2224322A1 A process for working up ammoniacal metal solutions |
| 12/24/1996 | US5587103 Removes aluminum alloy from a chemically compatible substrate with minimal etching to underlying surface |
| 12/24/1996 | US5587046 Process for treating semiconductor material with an acid-containing fluid |
| 12/19/1996 | WO1996041109A1 Passive gas substrate thermal conditioning apparatus and method |
| 12/19/1996 | WO1996041040A1 Etchant for aluminium alloys |
| 12/19/1996 | DE19521352A1 Verfahren zur Aufarbeitung ammoniakalischer Metallösungen Process for working metal ammoniacal solutions |
| 12/19/1996 | CA2195878A1 Etchant for aluminium alloys |
| 12/18/1996 | EP0748396A1 Electrolysis process for regenerating a ferric chloride or sulphate solution, in particular for spray etching steel |
| 12/17/1996 | US5585224 Covering reverse surface having etched recesses with barrier film having controllable adhesion, then etching recesses in front surface to connect with those on reverse and treating film to reduce adhesion |
| 12/11/1996 | EP0748150A2 Precision fluid head transport |
| 12/11/1996 | EP0746638A1 Surface treatment of an object |
| 12/11/1996 | CN1137687A Semiconductor chip surface treatment liquor and treatment method and device using the same |
| 12/10/1996 | US5582746 Real time measurement of etch rate during a chemical etching process |
| 12/05/1996 | WO1996038193A1 Flexible tubular device for use in medical applications |
| 12/05/1996 | CA2220181A1 Flexible tubular device for use in medical applications |
| 12/04/1996 | EP0746016A2 Process for the active removal of silicum dioxide |
| 12/04/1996 | EP0746014A2 Method for dry-etching |
| 12/04/1996 | CN1137296A Apparatus for heating or cooling wafers |
| 11/27/1996 | CN1136599A Corrosion apparatus |
| 11/26/1996 | US5578176 Method of preparing electrodes of improved service life |
| 11/20/1996 | EP0743377A1 Apparatus for chemical surface treatment of flat substrate using active gas |
| 11/19/1996 | US5576135 Processing method based on resist pattern formation, and resist pattern forming apparatus |
| 11/14/1996 | WO1996035827A1 Method of recycling waste etching solution |
| 11/12/1996 | US5573623 Apparatus for contactless real-time in-situ monitoring of a chemical etching process |
| 11/12/1996 | US5573520 Flexible tubular device for use in medical applications |
| 11/06/1996 | EP0642425A4 Method of fabricating group iii-v compound semiconductor devices using selective etching. |
| 10/30/1996 | EP0739753A1 Surface structure production, especially for impression cylinders |
| 10/23/1996 | EP0738160A1 Metallic implant and process for treating a metallic implant |
| 10/17/1996 | WO1996032209A1 Method and apparatus for circuit board treatment |
| 10/17/1996 | DE19513721A1 Etching the surface of printed circuit boards |
| 10/16/1996 | EP0737594A2 Improved process for the surface treatment of lithographic printing plate precursors |
| 10/15/1996 | US5565040 Method for fluid treating a substrate |
| 10/15/1996 | US5565039 Method for dissolution of soft metals from a substrate of a harder metal |
| 10/11/1996 | CA2173653A1 Process for the surface treatment of lithographic printing plate precursors |
| 10/08/1996 | US5562801 Method of etching an oxide layer |
| 10/02/1996 | EP0735548A1 Treatment for magnets for optically detecting the easy direction of magnetisation |
| 10/02/1996 | EP0734699A2 Expandable stents and method for making same |
| 10/01/1996 | US5560840 Aqueous solution of ferric ammonium sulfsate and acid |
| 09/25/1996 | EP0733130A1 Apparatus for heating or cooling wafers |
| 09/18/1996 | EP0732424A1 Method and apparatus for heating plate like articles, in particular printed circuit boards |
| 09/18/1996 | EP0731854A1 Aluminum etching process |
| 09/17/1996 | US5556553 Recycle process for regeneration of ammoniacal copper etchant |
| 09/17/1996 | CA2032931C Metal hydroxide crystallizer and filter |
| 09/12/1996 | WO1996027556A1 Purification of metal containing solutions |
| 09/11/1996 | EP0731498A2 Surface processing method and surface processing device for silicone substrates |
| 09/11/1996 | EP0730813A1 Touch control supply system for electrical equipment, method of manufacture and applications |
| 09/11/1996 | CN1130573A Stainless steel plate having colored and topographical surface and fabricating method thereof |
| 09/10/1996 | US5553700 Treatment method and apparatus for printed circuit boards and the like |
| 09/04/1996 | CN1130408A Copper etchant solution additives |
| 09/04/1996 | CN1032721C Resistance metal layers and method for making same |
| 09/03/1996 | US5551585 Process for the surface treatment of lithographic printing plate precursors |
| 08/29/1996 | DE19506832A1 Recirculatory electrolytic process for recovery of copper@ from copper@ alloys |
| 08/21/1996 | CN1032584C Process and apparatus for treating copper chloride etching waste liquor |
| 08/14/1996 | EP0725727A1 Method of making machine-engraved seamless tube |
| 08/13/1996 | US5545262 Method of preparing a metal substrate of improved surface morphology |
| 08/01/1996 | WO1996022842A1 Roughening of metal surfaces |
| 07/31/1996 | EP0723702A1 A fine pitch lead frame and method for manufacturing same |
| 07/31/1996 | EP0497925B1 Method for printed circuit board pattern making using selectively etchable metal layers |
| 07/24/1996 | EP0722512A1 Copper etchant solution additives |
| 07/24/1996 | CN1127417A Method of making a shadow mask |
| 07/23/1996 | US5538152 Stabilizing composition for inorganic peroxide solutions |
| 07/18/1996 | WO1996021942A1 Method of cleaning substrates |
| 07/18/1996 | WO1996021523A1 Process for imparting liquid repellency to metal surface and ultra-liquid-repellent metal material |
| 07/16/1996 | US5535904 Surface preparation for bonding iron |
| 07/10/1996 | EP0721205A2 Method of etching an oxide layer with simultaneous deposition of a polymer layer |
| 07/10/1996 | EP0720514A1 Spray nozzle and method of manufacturing same |
| 07/09/1996 | US5534107 Using fluorine in the presence of ultraviolet radiation to produce fluorine and chlorine or bromine as a second gas for etching |
| 07/03/1996 | EP0720227A2 Electrical connection structure on an integrated circuit device comprising a plug with an enlarged head |
| 07/03/1996 | EP0536362B1 Etching solution |
| 07/03/1996 | CN1125783A Fine etching technique on aluminum and aluminum alloy surface |
| 07/03/1996 | CN1125782A Fine etching technology of copper and copper alloy surface |
| 07/02/1996 | US5532094 Composition for treating copper or copper alloy surfaces |
| 06/25/1996 | US5530131 N-alkyl-n'-poly(oxyalkyl)-hexahydropyrimidines |
| 06/25/1996 | US5529081 Apparatus for the treatment of board-like articles |
| 06/20/1996 | WO1996019097A1 Copper coating |
| 06/20/1996 | WO1996018510A1 Solution and process for chemically resharpening smoothing tools, forming tools, and cutting tools |
| 06/19/1996 | EP0476065B1 Method for improving the insulation resistance of printed circuits |
| 06/18/1996 | US5526950 Etching process, color selecting mechanism and method of manufacturing the same |
| 06/16/1996 | CA2147324A1 Solution and process for chemically resharpening smoothing tools, forming tools, and cutting tools |
| 06/12/1996 | CN1124504A Improved compositions and methods for polishing |
| 06/11/1996 | US5524780 Diluting echant with stoichiometric quantity of aluminum metal to react with and precipitate atleast some copper and form precipitate of aluminum hydroxide, separating purified etchant, reconstituting for reuse |
| 06/11/1996 | US5524654 Etching, developing and peeling apparatus for printed board |
| 06/05/1996 | EP0715001A1 Manufacturing method for a bicycle rim and rim manufactured by this method |
| 06/05/1996 | EP0438535B1 Inhibited composition and method for stripping tin, lead or tin-lead alloy from copper surfaces |
| 06/05/1996 | EP0416126B1 Sulfuric acid composition having low surface tension |
| 06/04/1996 | US5523513 Decontamination processes |
| 06/02/1996 | CA2143917A1 Accelerators for use in a metal pickling bath and a process utilizing the accelerators |
| 05/29/1996 | EP0713957A1 Method of repairing the coating of turbine blades |
| 05/28/1996 | US5520814 Oxime ion exchange resin for copper exchange, heating the ion exchanger, washing, vaporization, crystallization, filtration of etching solution, regeneration with ammonia and washing with water |
| 05/23/1996 | DE19515394C1 Producing surface structure for printing machine cylinder |
| 05/22/1996 | CN1122844A Process for reducing lead leachate in brass plumbing components |
| 05/21/1996 | US5518589 Method of producing support for planographic printing plate |