| Patents for C23F 1 - Etching metallic material by chemical means (16,062) |
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| 07/23/1992 | CA2098813A1 Alkaline etching of aluminum with matte finish and low waste capability |
| 07/22/1992 | CN1062930A Recovery method for copper from waste etching solution |
| 07/21/1992 | US5131977 Base plate for recording disc and a method for its manufacture |
| 07/16/1992 | DE4100839A1 Aq. acidic oxidising bath for removing tin@ or alloy layers - from printed circuit boards, contg. phenyl or benzyl quat. ammonium salt to prevent corrosion of copper |
| 07/15/1992 | EP0494579A1 Method for electroplating nickel onto titanium alloys |
| 07/14/1992 | US5130275 Pads, patterns, bumps, flowable alloy |
| 07/14/1992 | US5130000 Pickling high-grade steel |
| 07/08/1992 | EP0493754A1 Process for the chemical vapor deposition of copper |
| 07/08/1992 | EP0493644A1 Electrodialysis cell for removal of excess electrolytes formed during electrodeposition of photoresist coatings |
| 07/07/1992 | US5127991 Alkyltrimethylammonium chloride |
| 07/07/1992 | US5127958 Removal of metallic coatings from polymeric substrates |
| 07/01/1992 | EP0493326A2 Substrate of improved melt sprayed surface morphology |
| 07/01/1992 | EP0492952A1 Method of and apparatus for producing a strip of lead frames for integrated circuit dies in a continuous system |
| 07/01/1992 | EP0492772A1 Recirculating chemical bath with inflow and self balancing outflow |
| 07/01/1992 | EP0492612A2 Electrolyzer and method of operating same |
| 06/30/1992 | US5126016 Oxidation to soluble trivalent chromium |
| 06/30/1992 | US5126005 Process for eliminating pits during chemical milling |
| 06/30/1992 | CA1304276C Magnesium/aluminium alloy sheets used for the fabrication of container body by stretching and stamping, and production process thereof |
| 06/27/1992 | CA2058527A1 Electrolyzer and method of operating same |
| 06/24/1992 | EP0491640A1 Process for separating silicon compounds present in a hydrochloric acid pickling bath for, in particular, steel sheets |
| 06/24/1992 | EP0491020A1 Etching solution. |
| 06/24/1992 | CN1017208B Permanent-magnetic circuit structure adjustable in large area for dry technology |
| 06/24/1992 | CN1017165B Process for production or recovery of acids from metalliferous solutims of such acid |
| 06/17/1992 | EP0490320A2 A method for producing a diffraction grating |
| 06/14/1992 | CA2057407A1 Process of separation of silicon compounds contained in chlorydric pickling of parts including steel sheets |
| 06/09/1992 | US5120396 Drawing a figure on a sheet of paper, transferring the figure to a film, then to a silk screen, brushing a protective coating onto a plate covered by the silk screen, removing the silk screen and etching |
| 06/03/1992 | EP0488555A2 Compositions and processes for use in the fabrication of printed circuits |
| 06/03/1992 | EP0488133A1 Method of making a cantilever stylus for use in an atomic force microscope |
| 06/02/1992 | US5118399 Electrodialytic recovery process |
| 06/02/1992 | US5118356 Using mixture of cerium salt, mineral acid and acetic acid |
| 06/02/1992 | CA1302050C Method of reducing the emission of no _gas from a liquid containing nitric acid |
| 05/30/1992 | CA2052989A1 Compositions and processes for use in the fabrication of printed circuits |
| 05/26/1992 | US5116462 Cantilever beam; coating, masking, etching |
| 05/20/1992 | EP0486188A2 Process for regenerating ammoniacal chloride etchants |
| 05/20/1992 | EP0486187A2 Process for the electrolytic regeneration of ammoniacal copper etchant baths |
| 05/20/1992 | CN1016712B Method of manufacturing for sealed cell container with safety vented cover |
| 05/19/1992 | US5114532 An aqueous solution of nitric acid and fluoride ions |
| 05/17/1992 | CA2052930A1 Process for regenerating ammoniacal chloride etchants |
| 05/13/1992 | EP0257058B1 Process for regenerating solder stripping solutions |
| 05/12/1992 | US5112440 Printed circuits |
| 05/06/1992 | CN1016520B Metal surface refinement using dense alumina-based media |
| 04/30/1992 | WO1992006654A1 Prostheses and methods and apparatus for making same |
| 04/28/1992 | US5108544 Method for pickling iron and steel surfaces |
| 04/22/1992 | EP0481723A1 A wafer etching apparatus |
| 04/21/1992 | CA1299070C Stress relief of single crystal superalloy articles |
| 04/16/1992 | WO1992006227A1 Process and device for regenerating and recovering metals from chloride-containing solutions |
| 04/15/1992 | EP0480229A2 Process for the production of a surface structure on impression cylinders for offset printing machines |
| 04/14/1992 | US5104688 Pretreatment composition and process for tin-lead immersion plating |
| 04/14/1992 | US5104484 Method for manufacturing substrates for ps plates |
| 04/14/1992 | US5104483 Having stable uniform separation between slider and surface of magnetic disk |
| 04/14/1992 | US5103557 Making and testing an integrated circuit using high density probe points |
| 04/09/1992 | DE4121588C1 Electrolytic copper@ deposition from ammoniacal copper chloride soln. - in electrolysis tank contg. alternate anodes and cathodes |
| 04/08/1992 | EP0478622A1 Demetallization of metal films |
| 04/07/1992 | US5102499 Hydrogen embrittlement reduction in chemical milling |
| 04/07/1992 | US5102033 Method for improving the fillet-forming capability of aluminum vacuum brazing sheet products |
| 04/07/1992 | CA1298567C Method for making metallic patterns |
| 04/02/1992 | WO1992005678A1 Mixture and process for the treatment of metal bodies |
| 04/02/1992 | WO1992004840A1 Ornament made of silicon |
| 04/01/1992 | EP0477493A2 Process for producing bodies from preforms of oxide high temperature superconductors |
| 03/31/1992 | US5100506 Chemically machined sheet metal cutting tools and method |
| 03/31/1992 | US5100500 Ammonium bifluoride and hydrochloric acid |
| 03/31/1992 | US5100495 Dry etching apparatus with diluted anhydrous hydrogen fluoride gas generator |
| 03/26/1992 | DE4131382A1 Surface treated aluminium@ alloy sheet for motor car construction - used in making decorative coloured items, zinc phosphate layer having fine grained structure of uniform thickness |
| 03/25/1992 | EP0476856A1 Method of forming electrode pattern |
| 03/25/1992 | EP0476664A2 Method of forming small through-holes in thin metal plate |
| 03/25/1992 | EP0476065A1 Method for improving the insulation resistance of printed circuits. |
| 03/25/1992 | CN1059764A Test reagent for re-display metallic hided electricengraved writings and method of displaying thereof |
| 03/24/1992 | US5098527 Method of making electrically conductive patterns |
| 03/24/1992 | US5098517 Polishing solution of hydrogen peroxide, phosphoric acid and tetraborate ions |
| 03/24/1992 | US5098516 Vapor phase organometallic copper compound |
| 03/18/1992 | CN1015917B Process for preparing tin base plating liquor and application thereof |
| 03/11/1992 | EP0474194A2 Method of masking electronic devices during processing and ultraviolet radiation curable maskant therefor |
| 03/10/1992 | US5094701 Cleaning agents comprising beta-diketone and beta-ketoimine ligands and a process for using the same |
| 03/05/1992 | WO1992003599A1 Method for printed circuit board pattern making using selectively etchable metal layers |
| 03/04/1992 | CN1059226A Process for producing molded bodies from precursors of oxidic high temp. superconductors |
| 03/03/1992 | US5092968 Method for photochemical machining of titanium and zirconium |
| 02/26/1992 | CN1058999A Chemical etching method on aluminium plate |
| 02/25/1992 | US5091046 Caustic etching of aluminum with matte finish and low waste capability |
| 02/19/1992 | EP0471662A2 Process for pickling stainless steel |
| 02/19/1992 | CN1015554B Dissolution of metals utilizing tungsten-diol complexes 2 |
| 02/18/1992 | CA2048323A1 Process for producing molded bodies from precursors of oxidic high-temperature superconductors |
| 02/13/1992 | DE4024909A1 Selective alkaline etching soln. for copper and copper alloys - useful in brasses and bronzes, even when lead is present, completely removes copper to exclusion of nickel |
| 02/05/1992 | EP0469710A1 Method of manufacturing low-core-loss grain oriented electrical steel sheet |
| 02/05/1992 | EP0469635A1 Method of making circuit boards |
| 02/05/1992 | CN1058431A Electrophoretic deposition process for photosensitive polymer composition |
| 02/04/1992 | US5085730 Process for regenerating ammoniacal chloride etchants |
| 01/30/1992 | DE4023643A1 Selective wet-etching of multilayers - where, after etching one layer, it is treated with solvent, dried, then next layer is etched |
| 01/29/1992 | EP0468358A2 Process for producing electrode plate structure for liquid crystal color display device |
| 01/22/1992 | EP0467118A2 Device for applying fluid |
| 01/22/1992 | CN1058051A One-step technology for fast carving on steel |
| 01/21/1992 | USRE33800 Etching alloy surface; plating surface with nickel sulfamate |
| 01/15/1992 | EP0466202A1 Method of manufacturing circuit boards |
| 01/15/1992 | EP0465822A1 Recovery of sodium hydroxide and aluminium hydroxide from etching waste |
| 01/15/1992 | EP0449887A4 Masking compositions and method for applying the same |
| 01/07/1992 | US5078797 Process for obtaining a plate of zr alloy comprising a portion of excess thickness and its use |
| 01/07/1992 | CA2043717A1 Recovery of sodium hydroxide and aluminum hydroxide from etching waste |
| 01/07/1992 | CA1293918C Element for microwave heating |
| 01/06/1992 | WO1992001086A1 Etching solution |
| 01/02/1992 | EP0463445A2 Process for making microstructures having a high aspect ratio by erosion lithography |
| 12/31/1991 | US5076886 Incremental tune etch apparatus and method |