Patents for C23F 1 - Etching metallic material by chemical means (16,062)
04/1988
04/19/1988US4738747 Process for etching zirconium metallic objects
04/19/1988CA1235386A1 Process for making raney nickel coated cathode, and product thereof
04/19/1988CA1235380A1 Etching, electrochemically graining, and anodizing aluminum plate
04/19/1988CA1235363A1 Production of demetallized packaging material
04/05/1988CA1234923A2 Method for manufacturing multi-layered printed circuit boards and a circuit board produced by same
03/1988
03/31/1988DE3632021A1 Process for regenerating copper chloride etching solutions and also etching plant
03/30/1988EP0261972A2 Integrated, microminiature electric-to-fluidic valve and pressure/flow regulator and method of making same
03/16/1988EP0259533A1 Method of reducing the emission of nitrogen oxides from a liquid containing nitric acid
03/16/1988CN87105844A Apparatus for treating surface of continuously moving strips, especially for pickling
03/10/1988WO1988001657A1 Installation for surface treatment of continuous-flow strip, in particular degreasing installation
03/08/1988US4729799 Nickel
03/02/1988EP0257792A2 Composition and method for stripping films from printed circuit boards
03/02/1988EP0257671A1 Process for removing niobium-containing coatings from a substrate
02/1988
02/25/1988WO1988001308A1 Photoengraving articles and methods of producing such articles
02/24/1988EP0256938A2 Lithographic technique using laser for fabrication of electronic components and the like
02/24/1988EP0256216A2 Trench etch endpoint detection by laser-induced fluorescence
02/23/1988US4726878 Masking, placing in ethcing solution
02/16/1988US4725375 Etchant composition
02/16/1988US4725374 Peroxydisulfuric acid and halide
02/16/1988US4725334 Method of forming integrally stiffened structures
02/16/1988US4724856 Dynamic flood conveyor
02/09/1988US4724042 Dry granular composition for, and method of, polishing ferrous components
02/09/1988US4724041 Oxalic acid, phosphorus sequestering agent
01/1988
01/27/1988EP0254539A1 Process of etching zirconium metallic articles
01/20/1988EP0253675A1 Stabilized choline base solutions
01/19/1988US4720332 Nickel strip formulation
01/13/1988EP0252295A2 Copper-etching solutions
01/12/1988CA1231294A1 Compositions and processes for cleaning and passivating metals
01/07/1988EP0251983A1 Stress relief of single crystal superalloy articles
01/07/1988EP0251292A1 Composite structure including the engraving of the metal layer
01/07/1988EP0250732A1 Method for the production of structured gripping areas on sheet grippers or sheet gripper pads
12/1987
12/30/1987WO1987007917A1 Process for stripping tin or tin-lead alloy from copper
12/29/1987US4716270 Non-contact scribing process for organic maskants on metals or alloys thereof
12/23/1987EP0250366A2 Method of production of metallic structures
12/23/1987DE3620676A1 Method and device for the wet-chemical processing of substrates using thin-film technology
12/22/1987US4714010 Industrial exhaust ventilation system
12/17/1987DE3619881A1 Process and product for improving the adhesive strength of a metal coating on a lead-containing brass moulding produced by machining
12/16/1987EP0119262B1 Solder stripping solution
12/15/1987US4713144 Composition and method for stripping films from printed circuit boards
12/15/1987US4713143 Dissolving metal residues from the island-separating channels before applying dielectric protective coating
12/15/1987CA1230285A1 Method of etching cavities and apertures in substrates and device for carrying out said method
12/10/1987DE3618759A1 Cable mount
12/08/1987USRE32555 Solder stripping solution
12/08/1987US4711800 Needlecraft with metallic substrate
12/02/1987EP0247603A2 A method for stripping a photo resist on an aluminium alloy
12/01/1987US4710261 Apparatus and method for maintaining a uniform etching solution composition
12/01/1987US4709716 Rinse tank
12/01/1987CA1229816A1 Impregnation of aluminum interconnects with copper
11/1987
11/25/1987EP0246557A1 Internal surfaces of a gas bottle, and process for their manufacture
11/10/1987US4705594 Composition and method for metal surface refinement
11/03/1987US4704188 Wet chemical etching of crxsiynz
11/03/1987CA1228859A1 N-phenylpyrazole derivatives
10/1987
10/28/1987CN87102767A Process for treatment of thin metal film by photoetching
10/20/1987US4701363 Process for manufacturing bumped tape for tape automated bonding and the product produced thereby
10/06/1987US4698238 Pattern-forming method
10/06/1987US4698124 Oxidizing with inorganic chlorates, hypochlorites, peroxydisulfates
10/06/1987US4698123 Method of assembly for optical fiber devices
09/1987
09/30/1987EP0239197A2 Process for producing a metallic pattern
09/29/1987US4696717 Process for automatically regenerating copper chloride etch solutions
09/22/1987US4695348 Copper etching process and product
09/22/1987CA1227111A1 Process and apparatus for etching printed circuit boards
09/17/1987DE3608604A1 Patternable photoelectrochemical removal
09/17/1987DE3608516A1 Apparatus for the continuous electrolytic regeneration of an at least partially consumed copper tetramine complex etching solution
09/16/1987EP0237153A1 Process for removing protective coatings and bonding layers from metal parts
09/09/1987EP0235731A1 Device for supporting work pieces on substrate holders
08/1987
08/27/1987DE3618768C1 Process for producing punching steel sheets, in particular paper-punching steel sheets
08/25/1987US4689114 Method for manufacturing a shadow mask
08/19/1987EP0232973A2 Microplastic structures, process for forming such structures, and photomask suitable for use in such process
08/19/1987CN87100180A Microplastic structures and methods of manufacture
08/18/1987US4687725 Method for forming relief images and photosensitive material useful therein
08/18/1987US4687545 Process for stripping tin or tin-lead alloy from copper
08/18/1987US4687539 Dye lasers
08/12/1987EP0232108A2 Process for manufacturing bumped tape for tape automated bonding and the product produced thereby.
08/11/1987US4686002 Stabilized choline base solutions
08/11/1987US4685999 Apparatus for plasma assisted etching
08/11/1987US4685997 Patterned laminates
08/11/1987CA1225313A1 Compositions and method for stripping gold from copper substrates
08/11/1987CA1225312A1 Automated chemical milling process
08/04/1987US4684437 Selective metal etching in metal/polymer structures
08/04/1987US4684404 Extraction of gold from ores
08/04/1987CA1225010A1 Orifice plate constructions
07/1987
07/30/1987WO1987004451A1 Process for regenerating solder stripping solutions
07/30/1987DE3644243A1 Agent for controlling the incipient etching of tin-lead alloys
07/14/1987US4680084 Interferometric methods and apparatus for device fabrication
07/14/1987CA1224180A1 Plating workpiece using auxiliary member to control current density
07/08/1987EP0227903A2 A method of etching through a metal layer in a metal/polymer layered structure
07/07/1987US4678536 Method of photochemical surface treatment
06/1987
06/24/1987EP0225888A1 Process for stripping nickel or nickel-iron alloy plating in a chromic acid solution
06/23/1987US4675087 Semiconductor purification by solid state electromigration
06/23/1987US4675072 Trench etch endpoint detection by LIF
06/23/1987US4675067 Nondestructive, for testing and evaluation, solvent flow
06/23/1987CA1223185A1 Dissolution of noble metals
06/16/1987US4673585 Process for the preparation of the surface of uranium or uranium-based alloy parts
06/16/1987US4673521 Process for regenerating solder stripping solutions
06/16/1987CA1223082A1 Process and apparatus for etching copper masked by a nickel-gold mask
06/10/1987EP0225244A1 Pretreating process for uranium-titanium alloy work pieces, particularly for electroless nickel plating
06/09/1987US4672019 Method of applying a protective layer on a surface to be subjected to etching
06/09/1987US4671852 Method of forming suspended gate, chemically sensitive field-effect transistor
06/02/1987USH284 Non-carcinogenic, non-polluting sulfuric acid etchants for preparing aluminum surfaces for adhesive bonding
05/1987
05/26/1987CA1222122A1 Stabilisation of aqueous solutions containing hydrogen peroxide, hydrogen fluoride and metal ions