| Patents for C23F 1 - Etching metallic material by chemical means (16,062) |
|---|
| 04/17/1979 | CA1052674A1 Solutions for chemically polishing surfaces of copper and its alloys |
| 04/17/1979 | CA1052673A1 Method for producing an apertured work piece |
| 04/17/1979 | CA1052665A1 Fluid agitation cleaning system |
| 04/03/1979 | US4147581 Etching of metal |
| 04/03/1979 | CA1051707A1 Photoresist film with non-photosensitive resist layer |
| 03/20/1979 | CA1050865A1 Alkaline compositions and process for etching copper |
| 03/13/1979 | US4144119 Sulfuric acid, hydrogen peroxide, molybdenum compound, phosphates, for printed circuits |
| 02/27/1979 | US4141850 Dissolution of metals |
| 02/20/1979 | US4140772 Saccharin or alkali metal salt thereof |
| 02/20/1979 | US4140646 Dissolution of metals with a selenium catalyzed H2 O2 -H2 SO4 etchant containing t-butyl hydroperoxide |
| 01/30/1979 | US4137118 Chemical milling apparatus |
| 01/30/1979 | CA1047377A1 Etching process for accurately making small holes in thick materials |
| 01/23/1979 | US4136026 Caustic solution having controlled dissolved aluminum content |
| 01/23/1979 | US4135964 Method of manufacturing die for embossing circuit pattern |
| 01/16/1979 | CA1046648A1 Method of structuring thin layers |
| 01/10/1979 | EP0000170A1 Method and apparatus for the control of developing or etching processes |
| 01/02/1979 | US4132586 Masked with magnesium oxide |
| 01/02/1979 | US4132585 Method of automatically monitoring and regenerating an etchant |
| 12/26/1978 | US4131525 Method of manufacturing a body having a gold pattern and body manufactured according to the method |
| 12/19/1978 | US4130455 Hydrogen peroxide, sulfuric acid |
| 12/19/1978 | US4130454 Etchant and process of etching with the same |
| 12/19/1978 | CA1044641A1 Processes and installations for the regeneration of spent pickling solutions |
| 11/21/1978 | US4126510 Etching a succession of articles from a strip of sheet metal |
| 11/21/1978 | CA1042737A1 Treatment of workpieces through successive immersions in at least two baths, and plant for achieving said treatment |
| 11/07/1978 | US4124516 Halftone images, phosphorous or phosphoric acid, bismuth or antimony compound, halogen chloride, alkali metal chloride, calcium or magnesium chloride |
| 11/07/1978 | US4124437 System for etching patterns of small openings on a continuous strip of metal |
| 11/07/1978 | CA1041942A1 Etching aluminium foil with subsequent application of powdered aluminium |
| 10/24/1978 | CA1040987A1 Process for stripping nickel from articles and composition utilized therein |
| 10/03/1978 | US4118303 Apparatus for chemically treating a single side of a workpiece |
| 10/03/1978 | CA1039631A1 Copper and copper alloy etching solutions and process |
| 09/26/1978 | US4116755 Chem-milling of titanium and refractory metals |
| 09/19/1978 | CA1038736A1 Copper and copper alloy etching solutions and process |
| 09/12/1978 | US4113551 Polycrystalline silicon etching with tetramethylammonium hydroxide |
| 09/12/1978 | US4113549 Chemical milling process |
| 09/12/1978 | US4113543 Apparatus for etching the edges of semiconductor plates |
| 09/12/1978 | CA1038503A1 Method and apparatus for agitation treatment of electronic parts |
| 08/29/1978 | US4110237 Compositions containing a diazine and a halogen compound for catalyzing copper etching solutions |
| 08/29/1978 | US4110114 Image forming method |
| 08/22/1978 | US4108717 Process for the production of fine structures consisting of a vapor-deposited material on a base |
| 08/15/1978 | US4107011 Method of regeneration of spent etching solutions |
| 08/15/1978 | US4106977 With wear-resistant layer for pistons of internal combustion engines |
| 08/15/1978 | US4106975 In single crystals with mixture of sulfuric and phosphoric acids |
| 08/15/1978 | CA1036473A1 Process for the localised etching of silicone crystals |
| 08/15/1978 | CA1036472A1 Method of removing a brazing alloy from stainless steel |
| 08/08/1978 | US4105493 Production of shaving foil |
| 07/25/1978 | US4102735 Die and method of making the same |
| 07/11/1978 | US4100015 Nitric acid, sulfuric acid, alkali metal sulfate, iron sulfate, water |
| 07/11/1978 | US4099935 Cutting teeth for etched abrasives |
| 06/27/1978 | US4097394 Etching liquid for etching aluminum |
| 06/20/1978 | US4096290 Resist mask formation process with haloalkyl methacrylate copolymers |
| 06/06/1978 | US4093503 Method for fabricating ultra-narrow metallic lines |
| 05/30/1978 | US4092210 Controlling rate of disintegration of masking layer by adding a reactive gas |
| 05/16/1978 | US4089736 Aluminum, chromium, cobalt |
| 05/02/1978 | US4087281 Method of producing optical image on chromium or aluminum film with high-energy light beam |
| 04/25/1978 | US4086176 Salts of oxalic acid, hydrogen peroxide, brighteners, and stabilizers |
| 04/18/1978 | US4084990 Process for fabrication of decorative panel |
| 04/11/1978 | US4083758 Process for regenerating and for recovering metallic copper from chloride-containing etching solutions |
| 04/04/1978 | US4082605 Processing printed circuit boards |
| 03/21/1978 | US4080246 Novel etching composition and method for using same |
| 03/07/1978 | US4077416 Apparatus for treating articles |
| 02/14/1978 | US4073708 Apparatus and method for regeneration of chromosulfuric acid etchants |
| 02/14/1978 | US4073028 Etching processing apparatus |
| 01/17/1978 | US4069085 Apparatus for forming apertures in a thin metal tape such as a shadow mask for a color television display tube |
| 01/10/1978 | US4067751 Aqueous NaCl test solution for aluminum and its alloys |
| 12/06/1977 | US4061529 Method for making etch-resistant stencil with dichromate-sensitized casein coating |
| 11/29/1977 | US4060447 Process for etching of metal |
| 11/29/1977 | US4060097 Automatic etching system |
| 11/22/1977 | US4059678 Stabilization of iron-containing acidic hydrogen peroxide solutions |
| 11/22/1977 | US4059480 Method of forming viaducts in semiconductor material |
| 11/22/1977 | US4059479 Method of forming an embossed pattern |
| 11/15/1977 | US4058441 Process for the regeneration of spent pickling solutions |
| 11/15/1977 | US4058438 Rapid universal sensing cell |
| 11/15/1977 | US4058432 Process for producing a thin metal structure with a self-supporting frame |
| 11/15/1977 | US4058431 Method of etching copper and copper alloys |
| 11/08/1977 | US4057459 Method for manufacturing micro-wiring arrangements for contacting semiconductor circuits |
| 11/01/1977 | US4056428 Process for etching inner surface of pipe or tube |
| 10/11/1977 | US4053348 Etching |
| 10/11/1977 | US4053347 Method for forming an internal taper in the walls of a sleeve-like body |
| 10/04/1977 | US4052254 Nitro compound, amine, carboxylic acid or salt, phosphorus compound |
| 09/27/1977 | US4051001 Process for regenerating etching solution |
| 09/20/1977 | USRE29408 Sealed system, transient elevated gaseous temperatures |
| 09/13/1977 | US4048006 Nitro compound, amine, carboxylic acid or salt |
| 09/06/1977 | US4046248 Connecting and alignment means for modular chemical treatment system |
| 08/30/1977 | US4045312 Method for the electrolytic etching of metal workpiece |
| 08/16/1977 | US4042451 Nitro compounds, amines, phosphorus acids |
| 08/16/1977 | US4042450 Photochemistry |
| 08/16/1977 | US4042444 Etchant rejuvenation control system |
| 08/09/1977 | US4040863 Method of treating surface of copper and its alloys |
| 07/26/1977 | US4037774 Process for the soldering of the cooler assembly to automobile radiators |
| 07/05/1977 | US4033838 Regeneration of nitric acid |
| 06/28/1977 | US4032379 Nitric acid system for etching magnesium plates |
| 06/28/1977 | US4032359 Removal of aluminium rich coatings from heat resisting alloys |
| 05/24/1977 | US4025358 Process for currentless separation of a nickel layer from objects of light metal |
| 05/10/1977 | US4022703 Stabilization of hydrogen peroxide in acid baths for cleaning metals |
| 05/10/1977 | US4022638 Continuous recovery of base metal from insulated wire scrap |
| 05/03/1977 | US4021279 Ferric chloride |
| 04/19/1977 | US4018638 Method of reducing the thickness of a wafer of fragile material |
| 04/12/1977 | USRE29181 Method of preparing printed circuit boards with terminal tabs |
| 04/12/1977 | US4017343 Method of and apparatus for etching |
| 04/05/1977 | US4015706 Connecting modules for an etching system |