Patents for C23F 1 - Etching metallic material by chemical means (16,062)
10/1997
10/08/1997CN1161550A Method of mfg. metal rotor for trimmer capacitor
10/01/1997EP0797909A1 Copper coating
10/01/1997EP0797512A1 Solution and process for chemically resharpening smoothing tools, forming tools, and cutting tools
09/1997
09/30/1997US5672407 Structure with etchable metal
09/30/1997US5672394 Electrodes of improved service life
09/23/1997US5670062 Multilayer element with metal on substrate, photoresists and etching
09/17/1997EP0795629A1 Apparatus for strip surface treatment with liquids
09/17/1997EP0777764A4 Chemical milling apparatus and method
09/14/1997CA2199768A1 Device for surface treatment of strips with liquids
09/10/1997EP0794269A1 Composition for microetching copper or copper alloy
09/04/1997DE19632846A1 Determining end point of etching process
09/02/1997US5663084 Method for manufacturing nonvolatile semiconductor memory device
09/02/1997US5662814 Micro-machining minute hollow using native oxide membrane
09/02/1997US5662772 Etching with hydrofluoric acid
08/1997
08/28/1997WO1997030846A1 Thermoplastic resin-coated aluminum alloy plate and method and apparatus for manufacturing the same
08/27/1997CN1157860A Dry processing gas
08/27/1997CN1157797A Process and plant for extraction or recovery of acids from solutions these acids
08/20/1997EP0789831A1 Decontamination process
08/19/1997US5659451 Studless thin film magnetic head and process for making the same
08/13/1997CN1156766A Process for preparing regenerated alkaline etching supplementary liquid and device system thereof
08/12/1997US5657192 Thin film magnetic head including crater for recessed structure and process for making the same
08/06/1997EP0787558A1 Method of manufacturing reflector
08/05/1997US5654580 Semiconductor structure for fabrication of a thermal sensor
07/1997
07/30/1997EP0786540A1 Electroplating process
07/24/1997DE19700708A1 Production of metal rotor for trimming capacitor
07/23/1997EP0784543A1 Lithographic surface or thin layer modification
07/23/1997EP0784542A1 Stamp for a lithographic process
07/23/1997CN1155230A Electroplating method
07/22/1997US5650249 Method for making precision radomes
07/22/1997US5650059 Method of making cemented carbide substrate
07/22/1997US5650043 Etching method using NH4 F solution to make surface of silicon smooth in atomic order
07/22/1997US5650015 Dry method for cleaning semiconductor substrate
07/17/1997WO1997025740A1 Improved process for metals removal using beta-diketone or beta-ketoimine ligand forming compounds
07/16/1997CN1154723A Method for recycling waste etching solution
07/15/1997US5647999 Method for fine patterning of a polymeric film
07/10/1997WO1997024754A1 Preferential etch of semiconductor substrate with respect to epitaxial layers
07/02/1997CN1153372A Method for patterning metal layer
06/1997
06/25/1997EP0779941A1 Etchant for aluminium alloys
06/24/1997US5641709 Forming sacrificial layer on semiconductor substrate, forming metal oxide composite on layer, removing sacrificial layer to form air gap
06/17/1997US5639387 Method for etching crystalline bodies
06/17/1997US5639344 Etching material and etching process
06/11/1997EP0778158A1 Lithographic printing plates having a smooth, shiny surface
06/11/1997EP0777764A1 Chemical milling apparatus and method
06/11/1997EP0706582A4 Improved compositions and methods for polishing
06/11/1997CN1151768A Chemical Milling appts. and method
06/11/1997CN1151574A Method for patterning metal layer
06/05/1997CA2190923A1 Lithographic printing plates having a smooth, shiny surface
06/04/1997EP0776993A1 Method for pickling steel
05/1997
05/29/1997WO1997019580A1 Method of selectively removing a metallic layer from a non-metallic substrate
05/28/1997EP0776032A2 Plasma etching method
05/28/1997EP0775760A1 Process and apparatus for producing and/or recovering acids from metalliferous solutions of these acids
05/28/1997EP0775304A1 Method of producing cavity structures
05/28/1997CA2191259A1 Process and plant for extraction or recovery of acids from solutions of these acids
05/15/1997DE19533265A1 Simultaneous degreasing and etching of metal surface with easily recycled solvent mixture
05/14/1997EP0773580A1 A method of chemically mechanically polishing an electronic component
05/14/1997EP0568696B1 PRODUCTION OF CLEAN, WELL-ORDERED CdTe SURFACES USING LASER ABLATION
05/13/1997US5628921 Demetallizing procedure
05/13/1997CA2045701C Method of manufacturing low-core-loss grain oriented electrical steel sheet
05/07/1997EP0771760A2 Process for the purification of aluminum hydroxide and process for the surface treatment of aluminum plate utilizing the purification process
05/06/1997US5626736 Copper-clad printed circuit boards
04/1997
04/30/1997CN1148637A Figure forming method
04/30/1997CN1148636A Film-covering soaking method for renewing complicated precision welding cut bit and device thereof
04/24/1997WO1997015069A1 Metals removal process
04/24/1997WO1997014823A1 Process for removing tin
04/17/1997WO1997013889A1 Improved polishing slurries and methods for their use
04/17/1997WO1997013646A1 Cleaning method
04/17/1997DE19642732A1 Removing tin@ from the surface of directionally solidified castings
04/16/1997EP0710161A4 Post treatment of a coated substrate with a gas containing excited halogen to remove residues
04/15/1997US5620615 Method of etching or removing W and WSix films
04/15/1997US5620558 Using etching solution containing hydrofluoric acid, cupric chloride and hydrochloric acid; increased resolution, reproducible control
04/09/1997EP0766820A1 The production of electrodes for electrochemical sensing
04/09/1997CN1147025A Copper and copper alloy micro-etching agent
04/02/1997EP0733130A4 Apparatus for heating or cooling wafers
04/02/1997CN1146500A Technology for production of leather knurling mould by etching method
04/01/1997US5616255 Solution and process for chemically resharpening smoothing tools, forming tools, and cutting tools
03/1997
03/27/1997DE19535307A1 Etching molybdenum surfaces
03/25/1997US5614264 Fluid delivery apparatus and method
03/25/1997US5614056 Apparatus for chemically etching substrates
03/19/1997EP0763735A1 Method for analyzing impurities within silicon wafer
03/13/1997DE19532784A1 Electrolytic regeneration of ferric salt etching soln.
03/12/1997EP0762482A1 Apparatus for etching wafer
03/06/1997WO1997004476A3 Method and apparatus for semiconductor etching and stripping
03/04/1997US5607601 Method for patterning and etching film layers of semiconductor devices
02/1997
02/27/1997WO1997007264A1 Treatment of cemented carbide substrate to receive cvd diamond film
02/27/1997WO1997006895A1 Fluid delivery apparatus and method
02/27/1997CA2225373A1 Treatment of cemented carbide substrate to receive cvd diamond film
02/27/1997CA2218883A1 Fluid delivery apparatus and method
02/26/1997EP0759482A1 Electroplating process
02/20/1997WO1997006313A1 Low lead release plumbing components made of copper based alloys containing lead, and a method for obtaining the same
02/20/1997WO1997006013A1 Lithographic surface or thin layer modification
02/18/1997US5603848 Method for etching through a substrate to an attached coating
02/18/1997US5603721 Expandable stents and method for making same
02/13/1997WO1995034697A3 Process for selectively applying a finishing layer and one of tin or tin/lead alloy to metal or metallized articles
02/11/1997US5602323 For calibration of region of recesses and projections
02/11/1997US5601695 Etchant for aluminum alloys
02/11/1997US5601658 Using cupric acetate solution
02/06/1997WO1997004476A2 Method and apparatus for semiconductor etching and stripping
02/05/1997EP0757118A1 Microetching composition for copper or copper alloy
02/05/1997CN1141965A Decoppering technology of copper-stainless-steel fiber composite wire
01/1997
01/30/1997WO1997003227A1 Surface treatment of products made of aluminium and aluminium alloys