Patents for C23F 1 - Etching metallic material by chemical means (16,062)
03/1993
03/03/1993EP0334877B1 Dry granular composition for, and method of, polishing ferrous compositions
02/1993
02/27/1993CA2076738A1 Resistive metal layers and method for making same
02/23/1993US5188703 Method and apparatus for recovering copper and regenerating ammoniacal etchant from spent ammoniacal etchant
02/23/1993US5188702 A condcutive layer is laminated in a dielectric film having fine through-holes theirin, etching conductive layer to form dents, filling holes and dents with a metal by plating to form bump-like projection, removing conductive film by etching
02/17/1993EP0527616A1 Improvements in or relating to dies
02/17/1993CN1068981A Checkering technology with figure roller and pattern plate
02/16/1993US5187300 Volatile precursors for copper CVD
02/16/1993US5186811 Method of manufacturing printed wiring boards
02/16/1993US5186790 Etch bath of sodium hydroxide, aluminum, sodium sulfide, alkanolamine and water
02/16/1993US5186789 Method of making a cantilever stylus for use in an atomic force microscope
02/16/1993CA1313611C Bath solution and process for the removal of lead/tin, lead or tin coatings from copper or nickel surfaces
02/11/1993DE4136885C1 Safe disposal of hydrogen@-contg. gas-vapour mixt. from electrolyte - by air dilution of hydrogen@ below a specified amt., then catalytic combustion of hydrogen@ without ammonia redn.
02/10/1993EP0526867A1 Process for making a cylindrical embossing tool
02/09/1993US5185059 Process for producing electrode plate structure for liquid crystal color display device
02/09/1993US5185057 Metal etching process and composition
02/06/1993CA2075325A1 Process for producing an embossing die in roll form
02/03/1993CN1068600A Gold dissolving process and liquid for gold coated article
02/02/1993US5183724 Method of producing a strip of lead frames for integrated circuit dies in a continuous system
02/02/1993US5183533 Method for etching chromium film formed on substrate
01/1993
01/31/1993WO1993003199A1 Method of surface treating rolling roll
01/31/1993CA2092545A1 Method for processing surface of work roll
01/26/1993US5182006 Zincate solutions for treatment of aluminum and aluminum alloys
01/20/1993EP0523914A1 Method of fabricating a channel box or other part for a nuclear reactor
01/19/1993US5180465 Etching method of forming microcircuit patterns on a printed circuit board
01/13/1993EP0476065A4 Method for improving the insulation resistance of printed circuits
01/12/1993US5178965 Copper printed circuit coated with tin-lead solder
01/12/1993US5178722 Method of producing a flexible metal and resin film laminate with holes
01/12/1993CA1312574C Circuit board material
01/07/1993WO1993000184A1 Method of manufacturing cylindrical part or one having bottom
01/07/1993EP0521713A1 Manufacture of a micromechanical element with two degrees of freedom
01/05/1993US5176158 Apparatus and method for transporting materials which are to be chemically treated
01/05/1993US5175929 Method for producing articles by chemical vapor deposition
12/1992
12/30/1992EP0520437A1 Method of printing an image on a substrate particularly useful for producing printed circuit boards
12/30/1992EP0520324A1 Apparatus for treating panel-type objects, especially circuit boards
12/30/1992EP0520323A1 Apparatus for treating panel-type objects
12/16/1992EP0518766A1 Acid etching bath for titanium alloys before macrographic anodic oxydation
12/16/1992EP0518591A1 Method for producing articles by chemical vapor deposition and the articles produced therefrom
12/13/1992CA2068152A1 Method for producing articles by chemical vapor deposition and the articles produced therefrom
12/10/1992DE4118764A1 Organic additives for ferric chloride-contg. copper@ etch solns. - comprising complex-forming organic acids which prevent sludge formation
12/10/1992DE4118725A1 Electrolytic regeneration of acidic copper etch solns. - using two-compartment cell sepd. by cation-selective membrane for the generation of chlorine@ for oxidising etching agent and oxygen@
12/09/1992EP0517445A1 Improved uniformity of copper etching in the fabrication of multilayer printed circuit boards
12/09/1992CN1019360B Method and apparatus for treating plate article by tiquid
12/08/1992US5169723 Adhesion of automobile body putty to galvanized steel
12/08/1992US5169477 Conveyor, solvent pump, nozzles for high pressure spraying, rinsing device; uniformity
12/02/1992EP0515577A1 Making and testing an integrated circuit using high density probe points
12/02/1992CN1066748A Etching liquid for etching porous silion, etching process use same and method making semiconductor substrate for such etching liquid
12/01/1992US5167788 Etchable surface allows for adhesion of applied coatings
12/01/1992US5167734 Process for identification evaluation and removal of microshrinkage
11/1992
11/24/1992US5166006 Textured thin-film substrate and method
11/18/1992CN1066300A Metallic sheets with convex particles surface
11/17/1992US5164016 Method for pickling or cleaning materials of steel, in particular stainless steel
11/12/1992WO1992019792A1 Etching solution
11/12/1992WO1992019461A1 Process for producing a matt pressing surface of a pressing tool used to shape the surface of pressed laminates
11/10/1992CA1309929C Carrier for use in etching disk-shaped objects
11/04/1992EP0511874A1 A method of producing diamond articles by chemical vapor deposition
11/02/1992CA2065724A1 Method of producing articles by chemical vapor deposition and the support mandrels used therein
10/1992
10/29/1992DE4113283A1 Aetzloesung und verfahren zum abaetzen einer metallschicht Etching solution and process for etching a metal layer
10/29/1992DE4113177A1 Verfahren zur herstellung eines penetrators A process for producing a penetrator
10/28/1992EP0349600B1 Improved copper etchant compositions
10/27/1992CA1309324C Regeneration of copper etch bath
10/21/1992EP0509759A1 Recovery of abrasive grit with a nitric acid-containing medium.
10/16/1992CA2065964A1 Process using an acidic medium containing nitric acid
10/14/1992EP0508946A1 Metal foil with structural surface
10/14/1992EP0508187A2 Method of treating nickel-containing etching waste fluid
10/14/1992CN1065296A Method of treating nickel-containing etching waste fluid
10/13/1992US5154906 Redox-potential control for hydrogen peroxide in nitric acid
10/13/1992CA1308596C Microplastic structures and method of manufacture
10/11/1992CA2063503A1 Metal foil with a structure surface
10/07/1992EP0507074A1 Cleaning agents comprising beta-diketone and beta-ketoimine ligands and a process for using the same
10/07/1992EP0507043A2 Selective and precise etching and plating of conductive substrates
10/06/1992US5153754 Multi-layer address lines for amorphous silicon liquid crystal display devices
09/1992
09/30/1992EP0506254A1 An automatic continuous processing apparatus
09/30/1992EP0506000A2 Apparatus for chemical treatment of metal
09/30/1992EP0505425A1 Methods of preparation of surfaces and applications thereof
09/22/1992US5149515 Nitric Acid, Spray Roasting, Atomizing
09/22/1992US5149396 Susceptor for microwave heating and method
09/15/1992US5147680 Precise edges
09/15/1992US5147513 Process for the production of a surface structure on printing mechanism cylinders for offset printing presses
09/09/1992CN1018163B Process and equipment for micro-pattern forming on roll surface
09/08/1992US5145553 Method of making a flexible circuit member
09/02/1992EP0501551A2 System for performing related operations on workpieces
09/02/1992EP0501550A2 System for performing work on workpieces
09/02/1992EP0501458A1 Method for treating a surface of an aluminum substrate for a printing plate
09/01/1992US5143866 Dry etching method for refractory metals, refractory metal silicides, and other refractory metal compounds
09/01/1992CA1306935C Composite support with metal print
08/1992
08/26/1992EP0499958A2 Process for producing thin copper foil-clad circuit board substrate
08/26/1992EP0332653B1 Liquid dispersion composition for, and method of, polishing ferrous components
08/25/1992US5141610 Continuous separation by adding soluble acid salt and using cation permeable membrane
08/25/1992CA1306660C Stabilized choline base solutions
08/19/1992EP0411061A4 Fe-mn-al-c alloys and their treatment
08/15/1992WO1992014864A2 Selective demetallization method and apparatus and products obtained by this method
08/13/1992CA2038268A1 Alkaline cleaner and method
08/12/1992EP0498250A1 Etching method for increased circuitized line width unitformity
08/12/1992EP0497925A1 Method for printed circuit board pattern making using selectively etchable metal layers.
08/05/1992CN1063317A Manufacturing method of colored label plate by use of copper foil clad textolite
08/05/1992CA2060121A1 Zincate solutions for treatment of aluminum and aluminum alloys
07/1992
07/29/1992EP0496516A1 Production of honeycomb structure-extruding dies
07/29/1992EP0496229A2 Etching solution for wet chemical treatment in semi-conductor fabrication
07/29/1992EP0496010A1 Metal hydroxide crystallizer and filter
07/23/1992WO1992012276A1 Alkaline etching of aluminum with matte finish and low waste capability