Patents for C23F 1 - Etching metallic material by chemical means (16,062)
09/1984
09/11/1984US4470872 Preventing side-etching by adhering an overhang mask to the sidewall with adhesive
08/1984
08/29/1984EP0117068A2 Method and apparatus for etching copper
08/28/1984US4468305 Copper
08/28/1984US4468283 Method for etching and controlled chemical vapor deposition
08/21/1984US4466859 Process for etching copper
08/15/1984EP0115791A1 Process and apparatus for regenerating a copper-containing etching solution
08/08/1984EP0115450A1 Stabilization of aqueous solutions containing hydrogen peroxide, hydrogen fluoride and metallic ions
07/1984
07/31/1984US4463060 For an electrically conductive substrate
07/31/1984US4462861 Etchant with increased etch rate
07/31/1984US4462856 Aluminum film
07/24/1984CA1171381A1 Method for maskless chemical and electrochemical machining
07/10/1984US4459216 Chemical dissolving solution for metals
06/1984
06/26/1984US4456500 Deposition photoresist films on metal, masking, and etching to form cutting teeth
06/19/1984US4455364 Process for forming metallic image, composite material for the same
06/12/1984CA1168965A1 Chemical etching of aluminum capacitor foil
06/05/1984US4452665 Polymeric halocarbons as plasma etch barriers
05/1984
05/29/1984US4451327 With gaseous or liquid oxidant in the presence of a catalyst
05/24/1984WO1984001966A1 Battery using porous aluminum metal
05/16/1984EP0108458A1 Method of etching cavities and apertures in substrates
05/15/1984US4448637 Etching method of conductive film
05/15/1984US4448635 Etching in artificial gravitational field
05/08/1984US4447292 Method for manufacturing unsupported metal lattice structures
05/08/1984US4447286 Die and method of making same
05/02/1984EP0106977A2 Method and apparatus for electrochemically treating a substrate
05/01/1984US4446403 Compact plug connectable ion source
04/1984
04/24/1984US4444618 Processes and gas mixtures for the reactive ion etching of aluminum and aluminum alloys
04/24/1984CA1166130A1 Etchant composition and use thereof
04/17/1984US4443295 Hydrogen peroxide, lewis bases, oxidizers
04/17/1984US4443294 Process for forming magnetic film pattern
04/17/1984CA1165670A1 Selective chemical milling of recast surfaces
04/10/1984US4441957 Method for selectively etching integral cathode substrate and support
04/04/1984EP0104821A2 Process and composition for preparing aluminium surfaces anodizing
04/03/1984US4440729 Procedure for chemical, automatic dissolution of molybdenum core wire in tungsten filament coil and a device for implementing the procedure
04/03/1984US4440594 Method and apparatus of chemical milling of chemical materials
03/1984
03/29/1984WO1984001168A1 Solder stripping solution
03/27/1984US4439338 Solution for stripping a layer of tin or tin-lead alloy from a substrate by means of a spraying operation
03/27/1984US4439282 Treatment of metals to enhance adhesive bonding
03/27/1984CA1164404A1 Galvanic post-treatment of etched aluminum capacitor foil
03/20/1984US4438368 Plasma treating apparatus
03/20/1984US4437932 Dissolution of metals utilizing a furan derivative
03/20/1984US4437931 Using 2-butyne-1,4-diol and substituted diol promoters; etching printed circuit boards
03/20/1984US4437930 Dissolution of metals utilizing ε-caprolactam
03/20/1984US4437929 Dissolution of metals utilizing pyrrolidone
03/20/1984US4437928 As catalyst; etching printed circuit boards
03/20/1984US4437927 Dissolution of metals utilizing a lactone
03/20/1984US4437924 Method of making fine-line die
03/14/1984EP0102629A1 Stripping compositions and methods of stripping resists
03/14/1984EP0102628A1 Stripping compositions and methods of stripping resists
03/13/1984CA1163540A1 Process for etching chrome and composition as suitable therefore
03/07/1984EP0101752A1 Reversal process for the production of chromium masks
03/06/1984US4435247 Method for polishing titanium carbide
02/1984
02/29/1984EP0101446A1 Method of electroplating.
02/21/1984US4432855 Automated system for laser mask definition for laser enhanced and conventional plating and etching
02/15/1984EP0100659A1 Process for making Raney nickel coated cathode, and product thereof
02/07/1984CA1161966A1 Computer controlled system and process for processing semiconductor wafers
02/07/1984CA1161787A1 Dry etching of copper patterns
02/07/1984CA1161732A1 Chemical milling of high tungsten content superalloys
01/1984
01/19/1984WO1984000121A1 Method and apparatus for forming gravure cells in a gravure cylinder
01/17/1984US4426252 Process and composition for preparing aluminum surfaces for anodizing
01/17/1984CA1160592A1 Regeneration of etching solution containing carbon particles in electrolytic cell
01/10/1984US4425185 Acid solution, stripping
01/10/1984US4425183 Etching at different rates
01/03/1984US4424097 Metal stripping process and composition
12/1983
12/27/1983US4422905 Molding a nozzle negative, irradiation to remove from mold, electrdeposition with metal
12/27/1983CA1159299A1 Dip treating apparatus
12/20/1983US4422082 Jet nozzle plate for an ink jet printing head and method of manufacturing such a jet nozzle plate
12/20/1983US4421814 Strippable resists
12/20/1983US4421593 Reverse etching of chromium
12/13/1983US4420367 Multistage, nonelectrolytic
12/13/1983US4420366 Etching iron-nickel alloy sheet with ferric chloride, electron beam
12/13/1983CA1158523A1 Methylene chloride-methane sulfonic acid stripping compositions and methods for using same
12/06/1983US4419183 Sulfuric acid, hydrogen peroxide, tungsten source
12/06/1983US4419181 Method for etching metallic sheet
11/1983
11/30/1983EP0095366A2 Compact plug connectable ion source
11/30/1983EP0095172A2 Chemical etching method
11/29/1983US4417949 Chem-milling with sodium hydroxide and sodium nitrate
11/29/1983US4417945 Apparatus for chemical etching of a wafer material
11/08/1983US4414039 Wet blasting with alumuna, etching
11/01/1983US4412885 Materials and methods for plasma etching of aluminum and aluminum alloys
10/1983
10/26/1983EP0092001A1 Method for shaping and finishing a workpiece
10/25/1983US4411735 Polymeric insulation layer etching process and composition
10/25/1983US4411730 Forming recast layer using thermal processes, then etching
10/18/1983US4410396 Metal stripping composition and process
10/18/1983US4410393 Preparation of steel surfaces for adhesive bonding by etching with H3 PO4 -polyhydric alcohol mixture
09/1983
09/27/1983US4406160 Method of inspecting a resist layer on a gravure printing plate, and device for practicing same
09/21/1983EP0088869A2 Thin film techniques for fabricating narrow track ferrite heads
09/20/1983US4405571 Process for selective dissolution of molybdenum in the presence of tungsten
09/14/1983EP0088353A1 Drying device for a band treated in a liquid
09/13/1983CA1153675A1 Bath for chemical polishing of steel surfaces
09/13/1983CA1153674A1 Etching process with vibrationally excited sf.sub.6
09/06/1983US4403029 Stripping compositions and methods of stripping resists
08/1983
08/30/1983US4401747 2-pyrrolidones and dialkyl sulfones
08/30/1983US4401509 Thiosulfate and an unsaturated alcohol as peroxide stabilizer
08/30/1983US4401508 Stripping polyvinyl alcohol portions
08/30/1983CA1152939A1 Electrolytically etching copper surface with solution containing ferric sulphate and copper ion
08/23/1983US4400257 Method of forming metal lines
08/23/1983US4400234 Method of manufacturing electrical connector
08/23/1983US4400233 Early and late energy transmission measurements
08/23/1983CA1152414A1 Aluminum substrates grained with a saturated solution of aluminum salts of mineral acids
08/18/1983WO1983002786A1 Method of electroplating