| Patents for C23F 1 - Etching metallic material by chemical means (16,062) |
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| 08/17/1983 | EP0086171A1 Rotary mower with driving shaft and method of manufacturing said shaft |
| 08/17/1983 | EP0085979A1 Process for manufacturing self-supporting metallic screens |
| 08/16/1983 | US4398994 Formation of packaging material |
| 08/16/1983 | CA1151959A1 Ultra-black coating due to surface morphology |
| 08/09/1983 | US4397753 Printed circuits or tabs |
| 08/09/1983 | US4397708 Etching and etchant removal apparatus |
| 08/02/1983 | US4396704 Solid state devices produced by organometallic plasma developed resists |
| 08/02/1983 | US4396475 Process for continuously regenerating ferric chloride solutions |
| 07/27/1983 | EP0084075A1 Method of determining the layer removal end-point during layered substrate development or etching, and apparatus for carrying out this process |
| 07/27/1983 | EP0084033A1 N-phenylpyrazole derivatives. |
| 07/26/1983 | US4395305 Chemical etching of aluminum capacitor foil |
| 07/26/1983 | US4395303 Method of manufacturing thin-walled corrosion resistant metallic objects |
| 07/26/1983 | US4395302 Metal dissolution process using H2 O2 --H2 SO4 etchant |
| 07/19/1983 | CA1150064A1 Process and apparatus for recovery of hydrogen-reduced metals, ions and the like at porous hydrophobic catalytic barriers |
| 07/05/1983 | US4391692 Device for the chemical or electrochemical surface treatment or material in a heated liquid treatment medium, more particularly a strip pickling plant |
| 06/29/1983 | EP0082210A1 Method of selectively dissolving molybdenum in the presence of tungsten |
| 06/21/1983 | US4389279 Stencils, spraying, shields |
| 06/14/1983 | US4388276 Printed circuits |
| 06/14/1983 | US4388140 Apparatus for wet treatment of wafer materials |
| 05/31/1983 | US4385969 By oxidation in presence of calcined activated carbon |
| 05/25/1983 | EP0079505A1 A method of recovering copper from spent etch solutions |
| 05/25/1983 | EP0079356A1 A method for chemically stripping platings including palladium and at least one of the metals copper and nickel and a bath intended to be used for the method. |
| 05/17/1983 | US4383884 Dissolving a layer from an article |
| 05/10/1983 | US4382454 Inner layer of crystalline boron, outer layer of amorphous boron |
| 05/04/1983 | EP0078161A2 Materials and methods for plasma etching of oxides and nitrides of silicon |
| 04/27/1983 | EP0077582A1 Composition for stripping tin or tin-lead alloys from substrates by spraying, and process for using it |
| 04/26/1983 | US4380876 Reticle and method of making the same |
| 04/19/1983 | CA1144891A1 High capacity etching apparatus |
| 04/05/1983 | US4379022 Method for maskless chemical machining |
| 03/29/1983 | US4378270 Method of etching circuit boards and recovering copper from the spent etch solutions |
| 03/29/1983 | CA1143692A1 Bonding process for grinding tools |
| 03/29/1983 | CA1143632A1 Method and means for treatment of surfaces |
| 03/22/1983 | US4377409 Filters |
| 03/15/1983 | US4376672 With a fluorocarbon gas doped with carbon dioxide |
| 03/15/1983 | CA1142815A1 Self-generating interface layer |
| 03/15/1983 | CA1142805A1 Magnetic resist printing process |
| 03/08/1983 | US4376057 Etchant composition and use thereof |
| 03/08/1983 | US4376009 Limp-stream method for selectively etching integral cathode substrate and support |
| 03/08/1983 | US4375984 Recovery of gold from bromide etchants |
| 03/02/1983 | EP0072986A1 Process for the activation of titanium surfaces |
| 03/01/1983 | US4375390 Thin film techniques for fabricating narrow track ferrite heads |
| 03/01/1983 | CA1142132A1 Porous alloy electrode having had one component removed |
| 02/23/1983 | EP0072456A1 Stripping solution |
| 02/22/1983 | US4374744 Stripping solution for tin or tin alloys |
| 02/15/1983 | CA1141273A1 Formation of packaging material |
| 02/08/1983 | US4372805 Method for regenerating an etch solution for aluminum and the alloys thereof |
| 02/08/1983 | US4372804 Method for making multilayer printed wiring board |
| 02/03/1983 | WO1983000331A1 N-phenylpyrazole derivatives |
| 02/01/1983 | US4371422 Continuous processing of printed circuit boards |
| 02/01/1983 | US4370991 Dip treating apparatus |
| 01/25/1983 | US4370197 Process for etching chrome |
| 01/25/1983 | US4370192 Apparatus for chemical etching of silicon |
| 01/19/1983 | EP0069974A2 Method of making an electrode foil, especially for low-voltage electrolytic capacitors |
| 01/11/1983 | US4368245 Photolithography |
| 01/11/1983 | US4368220 Reactive ion etching |
| 01/05/1983 | EP0068277A1 Method for passivating aluminum-based metallizations |
| 01/05/1983 | EP0068077A1 Etching process with vibrationally excited SF6 |
| 12/29/1982 | EP0067984A1 Method of etching chromium, and etchant compositions for carrying it out |
| 12/28/1982 | US4366034 Hard chromium plating process for cobalt-chromium-tungsten alloys |
| 12/21/1982 | US4364799 Electrochemical treatment |
| 12/21/1982 | US4364775 Aqueous oxidative scrubber systems for removal of mercury |
| 12/14/1982 | CA1137396A1 Composition and process for chemically stripping metallic deposits |
| 12/14/1982 | CA1137395A1 Etching of multiple holes of uniform size |
| 12/08/1982 | EP0066358A2 Method of leaching a layer from an article |
| 12/07/1982 | CA1136971A1 Gold etchant composition and method |
| 11/30/1982 | US4361605 Apparatus used in surface treatment and a method of surface treatment using said apparatus |
| 11/25/1982 | WO1982004072A1 A method for chemically stripping platings including palladium and at least one of the metals copper and nickel and a bath intended to be used for the method |
| 11/23/1982 | US4360058 Process for the preparation of a surface of a metal wall for the transfer of heat |
| 11/23/1982 | CA1136026A1 Metal-dissolution solution containing sulfuric acid, hydrogen peroxide and a primary diol |
| 11/17/1982 | EP0064607A1 Method of etching a recrystallized aluminium foil for electrolytic capacitors |
| 11/09/1982 | US4358479 Oxidative roughening of foil nodular surface; lamination; etching; electroless metal deposition; adhesion |
| 11/02/1982 | US4357205 Method for etched and/or galvanic production of ring zones in small diameter holes |
| 11/02/1982 | US4357196 Apparatus for etching metallic sheet |
| 10/13/1982 | EP0062300A2 Process for making a circuit board |
| 10/12/1982 | US4353952 Transparent digitizer platen |
| 10/12/1982 | US4353780 Chemical milling of high tungsten content superalloys |
| 10/12/1982 | CA1133420A1 Method for producing separating nozzle elements used for separating gaseous or vaporous mixtures |
| 10/05/1982 | US4352716 Dry etching of copper patterns |
| 09/28/1982 | US4351698 Nickel-iron body covered with a titanium and photoresist layer etched with hydrogen fluoride and ferric chloride |
| 09/21/1982 | US4350667 Extraction of copper from an ammoniacal copper solution |
| 09/21/1982 | US4350564 Masking with etch-resistant material, depositing metal electropositive with respect to chromium |
| 09/21/1982 | US4350553 Acid bath apparatus |
| 09/14/1982 | US4349411 Etch procedure for aluminum alloy |
| 09/14/1982 | US4349410 Method of manufacturing a pyroelectric vidicon target, apparatus for practicing the method, and a pyroelectric target manufactured by the method |
| 09/07/1982 | US4348255 Process for the preparation of an optically transparent and electrically conductive film pattern |
| 08/25/1982 | EP0058214A1 Method for increasing the resistance of a solid material surface against etching |
| 08/24/1982 | US4345969 Metal etch solution and method |
| 08/24/1982 | CA1130181A1 Metal stripping composition and method |
| 08/11/1982 | EP0057334A2 Pretreatment process for galvanized metal prior to its coating with organic powder |
| 08/10/1982 | US4343875 Method for the etching of silicon substrates and substrate for the execution of the method |
| 07/27/1982 | CA1128423A1 Boron cantilever and method of making the same |
| 07/14/1982 | EP0055992A2 Composition for a toner of a magnetic resist printing process |
| 07/13/1982 | US4339529 Etching method using a PVA stencil containing N-methylol acrylamide |
| 07/13/1982 | US4339528 Etching method using a hardened PVA stencil |
| 07/13/1982 | US4339297 Apparatus for etching of oxide film on semiconductor wafer |
| 07/13/1982 | US4339296 Apparatus for adjustably forming pattern in a strip |
| 07/13/1982 | US4339282 Method and composition for removing aluminide coatings from nickel superalloys |
| 07/07/1982 | EP0055322A2 Miniature electrical connectors and methods of fabricating them |
| 07/06/1982 | US4338157 Enhanced precision of etching and quality of product |
| 06/30/1982 | EP0054663A1 Method for forming a copper based metal pattern |