Patents for C25F 3 - Electrolytic etching or polishing (4,256) |
---|
11/06/1984 | US4481090 Decontaminating metal surfaces |
11/06/1984 | US4481089 Alternating electrolysis in neutral salt solution |
11/06/1984 | CA1177440A1 Method of etching aluminum |
10/16/1984 | US4477324 Making metal eutectic fine wire arrays |
10/16/1984 | US4477317 Aluminum substrates useful for lithographic printing plates |
10/09/1984 | US4475995 Method for electrochemical removal of metallic work material |
10/09/1984 | US4475983 Base metal composite electrical contact material |
10/02/1984 | US4474657 Single step electro chemical etch process for high volt aluminum anode foil |
09/19/1984 | EP0118740A2 Plate, foil or web-like materials made of mechanically and electrochemically grained aluminium, process for their manufacture and their use as supports for lithographic printing plates |
09/04/1984 | US4469572 Method of continuously processing a band-shape material |
08/28/1984 | US4468295 Process for electrochemically roughening aluminum for printing plate supports |
08/15/1984 | EP0115793A1 Process and device for treating sodium-nitrate containing electrolytes during electrochemical removal |
08/07/1984 | US4464441 Semiconductor disks |
07/24/1984 | US4461685 Method for producing acicular iron or iron alloy particles |
07/24/1984 | CA1171381A1 Method for maskless chemical and electrochemical machining |
07/10/1984 | CA1170617A1 Ac etching of aluminum capacitor foil |
06/26/1984 | CA1169810A2 Filament, and electrolytic tapering off said filament, and related process |
06/19/1984 | USRE31605 Method and apparatus for electrochemically finishing airfoil edges |
06/19/1984 | US4455200 High frequency alternating current |
06/12/1984 | CA1169021A1 Ac etching of aluminum capacitor foil |
06/05/1984 | US4452677 Electrochemical etching to reduce cracking |
06/05/1984 | CA1168619A1 Ac etching of aluminum capacitor foil |
05/02/1984 | EP0106977A2 Method and apparatus for electrochemically treating a substrate |
05/01/1984 | US4445988 Micrographic detection of plastic deformation in nickel base alloys |
04/25/1984 | EP0106477A2 Process for manufacturing semiconductor devices comprising an electrochemical-etching step |
04/04/1984 | EP0104261A1 Machining solution for electric discharge machining |
03/27/1984 | CA1164404A1 Galvanic post-treatment of etched aluminum capacitor foil |
03/21/1984 | EP0103443A2 Process for fabricating an optical device |
03/20/1984 | US4437955 Pretreatment with hydrochloric acid bath, then a sodium chloride bath |
02/28/1984 | US4434022 Process for manufacturing copper-clad laminate |
02/21/1984 | US4432855 Automated system for laser mask definition for laser enhanced and conventional plating and etching |
02/21/1984 | US4432846 Cleaning and treatment of etched cathode aluminum capacitor foil |
01/25/1984 | EP0099086A2 Process for manufacturing copper-clad laminate and copper-clad laminate |
01/24/1984 | US4427506 AC Etching of aluminum capacitor foil |
01/17/1984 | US4426260 Etching, nitric acid, electroforming |
01/10/1984 | US4425204 Rapid method for the etching and cleaning of dental casting metals |
01/04/1984 | EP0097301A1 Process for the removing modification of electrochemical roughened aluminium carrier materials, and their use in the production of offset printing plates |
01/03/1984 | US4424433 Method and apparatus for electrically machining a conductive workpiece with isotropic ultrasonic-waves radiation |
12/27/1983 | CA1159390A1 Electrolysis of solutions containing dispersed bubbles |
12/13/1983 | US4420367 Multistage, nonelectrolytic |
12/06/1983 | CA1158197A1 Method and apparatus for electrochemically finishing airfoil edges |
11/22/1983 | US4416972 For lithographic printing plates |
11/16/1983 | EP0093961A1 Process for the electrochemical graining of aluminium for printing plate supports |
11/16/1983 | EP0093960A1 Process for the electrochemical graining of aluminium for supports for printing plates |
11/16/1983 | EP0093941A1 Method of making surfaces with accurate dimensions and frictional behaviour from cast iron containing carbon |
11/15/1983 | US4415414 N-type semiconductors; electrolysis using a hydrogen fluoride electrolyte; ligh radiation |
11/08/1983 | US4414066 Electrochemical photoetching of compound semiconductors |
11/08/1983 | CA1156601A1 Electrolyte for electrochemical polishing of articles made of titanium and titanium alloys |
11/01/1983 | US4412892 Pretreatment of superalloys and stainless steels for electroplating |
10/25/1983 | US4411751 Acid bath |
10/25/1983 | CA1155708A1 Process for preparing lithographic printing plate bases |
10/13/1983 | WO1983003377A1 Machining solution for electric discharge machining |
09/28/1983 | EP0089514A1 Method and apparatus for electropolishing alloys |
09/28/1983 | EP0089508A1 Process for the electrolytic roughening of aluminium and its application as a support for offset printing plates |
09/27/1983 | US4406759 Protective coatings |
09/20/1983 | US4405422 In acidic bath containing an alcohol, ammonium sulfamate and nitrate |
09/13/1983 | US4404072 Photoelectrochemical processing of III-V semiconductors |
08/30/1983 | US4401532 Radioactive decontamination apparatus and process |
08/02/1983 | US4396468 Lithography; printing plates; uniform etching |
07/19/1983 | CA1150187A1 Processing workpieces electrochemically using carbon particles and vanadium compound |
07/05/1983 | US4391683 Mask structures for photoetching procedures |
06/29/1983 | EP0082452A1 Process for the electrochemical graining of aluminium with three-phase alternating current and its use in the manufacture of printing platens |
06/28/1983 | CA1148894A1 Selectively treating an article |
06/21/1983 | US4389291 Photoelectrochemical processing of InP-type devices |
06/14/1983 | CA1148111A1 Arrangement and method for selective electrochemical etching |
05/31/1983 | US4386142 Surface treatment of semiconductor materials |
05/31/1983 | US4385972 Electrolytic disintegration of sintered metal carbides |
05/25/1983 | EP0079754A2 Masking agent for electrolytic machining |
05/24/1983 | CA1146845A1 Method for controlling etching of electrolytic capacitor foil |
04/26/1983 | US4381231 DC Etching of aluminum electrolytic capacitor foil |
04/12/1983 | CA1144517A1 High capacity etching apparatus |
04/05/1983 | US4379022 Method for maskless chemical machining |
03/23/1983 | EP0074464A1 Apparatus for cleaning the inner walls of metallic tubular systems by electropolishing by means of moving electrodes |
03/23/1983 | EP0074463A1 Method and apparatus for cleaning the inner walls of metallic tubular systems by electropolishing by means of moving electrodes |
03/22/1983 | US4377447 Method for graining metal lithographic plate |
03/15/1983 | US4376686 AC Etching of aluminum capacitor foil |
03/01/1983 | US4375396 Thin wire pointing method |
02/22/1983 | US4374710 Electrolytic graining of aluminum with nitric and oxalic acids |
02/08/1983 | US4372831 Concentrated mineral acid, polyphosphate, minimal amount of water |
01/18/1983 | US4369099 Photoelectrochemical etching of semiconductors |
01/04/1983 | US4367129 Wire-electroerosion method and apparatus for forming a tapered contour in a workpiece |
01/04/1983 | US4367124 Process for preparing lithographic printing plate bases |
12/28/1982 | CA1138373A1 Electrolytically tin-plating steel, remelting and alkaline cathodic treating |
12/14/1982 | US4363708 Process for exposing silicon crystals on the surface of a component of an aluminum alloy of high silicon content |
12/01/1982 | EP0065645A2 Process for treating surfaces of cast iron that contains carbon, as well as apparatus for carrying out the process and cylinder consisting of a grey cast iron casting |
11/17/1982 | EP0064607A1 Method of etching a recrystallized aluminium foil for electrolytic capacitors |
10/19/1982 | US4354914 Marking head for electrochemical process |
09/28/1982 | US4351706 Electrochemically eroding semiconductor device |
09/14/1982 | US4349423 Process for decomposing hard metal scrap |
08/24/1982 | CA1130236A1 Process for electrolytically forming glossy film on articles of aluminum or alloy thereof |
08/10/1982 | US4343686 Method for controlling etching of electrolytic capacitor foil |
08/05/1982 | WO1982002620A1 Method of etching alminium foil for an elctrolytic capacitor |
07/22/1982 | WO1982002408A1 A method of anodically deburring articles of copper or copper alloy |
07/22/1982 | WO1982002407A1 A method of anodically deburring articles of steel or aluminium alloys in an electrolytic bath,and a bath for carrying out the method |
07/20/1982 | CA1127998A1 Apparatus and method of electro-processing large vessels |
07/20/1982 | CA1127997A1 Method and apparatus for incremental electro-polishing |
07/20/1982 | CA1127996A1 Electrochemically treating electrical steel with insulative coating with electrolyte producing metal hydroxide |
07/13/1982 | US4339315 Electrolytically etching an aluminum sheet with citric or malic and hydrochloric acids |
06/30/1982 | EP0054990A1 Aluminium foil for electrolytic capacitors |
06/22/1982 | US4336113 Lithographic printing plates |