| Patents for C23F 1 - Etching metallic material by chemical means (16,062) |
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| 12/14/1994 | EP0521865B1 Device for the electrolytic regeneration of an etching agent containing metal, especially copper |
| 12/13/1994 | US5372673 Method for processing a layer of material while using insitu monitoring and control |
| 12/13/1994 | US5372670 System for wet application of a dry film to a panel |
| 12/08/1994 | WO1994028426A1 Process for producing surface micromechanical structures |
| 12/08/1994 | WO1994028194A1 Improved compositions and methods for polishing |
| 12/07/1994 | EP0627872A2 Process for manufacturing metallized ceramic substrates |
| 12/07/1994 | EP0627330A1 Process for making engraved markings covered with contrasting material |
| 12/07/1994 | EP0519987B1 Process and device for regenerating alkaline solutions for pickling aluminium |
| 12/07/1994 | EP0418333B1 Composition and method for stripping tin or tin-lead alloy from copper surfaces |
| 12/06/1994 | US5370745 Apparatus for performing related operations on workpieces |
| 11/30/1994 | EP0411061B1 Fe-Mn-Al-C ALLOYS AND THEIR TREATMENT |
| 11/29/1994 | US5368902 Method for making patterned thin film |
| 11/24/1994 | WO1994027315A1 Method for semiconductor processing using mixtures of hf and carboxylic acid |
| 11/24/1994 | WO1994026495A1 Apparatus and process for the production of fine line metal traces |
| 11/23/1994 | EP0625512A1 N-Alkyl-N'-poly(oxyalkyl)hexahydropyrimidine |
| 11/22/1994 | US5366613 Bringing minute forward end of counterelectrode close to surface; applying predetermined voltage; etching |
| 11/22/1994 | US5366598 Method of using a metal substrate of improved surface morphology |
| 11/22/1994 | US5366588 Method of manufacturing an electrically conductive pattern of tin-doped indium oxide (ITO) on a substrate |
| 11/21/1994 | CA2180682A1 Succinic acid derivative degradable chelants, uses and compositions thereof |
| 11/17/1994 | DE4409220A1 Pattern forming material and pattern forming process |
| 11/17/1994 | DE4315551A1 Process for regenerating exhausted metal-salt- and/or metal-oxide-containing solutions, in particular mixed acids |
| 11/17/1994 | DE4315411A1 Process for regenerating spent chromic acid solutions |
| 11/15/1994 | US5365031 Apparatus and method for shielding a workpiece holding mechanism from depreciative effects during workpiece processing |
| 11/15/1994 | US5364603 Mercury-free dissolution of aluminum-clad fuel in nitric acid |
| 11/15/1994 | US5364549 Hydrogen peroxide solutions |
| 11/15/1994 | US5364494 Metal die acid etch apparatus and process |
| 11/15/1994 | US5364493 Metal substrate with metal foil, masking and etching, light |
| 11/10/1994 | DE4304740C1 Surgical needle |
| 11/09/1994 | EP0623805A1 Method of manufacturing reference samples for calibrating amount of measured displacement and reference sample, and measuring instrument and calibration method |
| 11/08/1994 | US5362712 Treating with solution of compound containing sulfate anions, aqueous mineral acid, and oxidizing agent |
| 11/08/1994 | US5362357 Method of manufacturing color selecting mask |
| 11/03/1994 | DE4335716A1 Aqueous acidic bath for removing nickel layers |
| 11/02/1994 | EP0622125A1 Fluid treatment apparatus |
| 11/02/1994 | EP0457859B1 Hydrogen peroxide solutions |
| 10/26/1994 | EP0621355A2 Process for manufacturing a hole structure in a silicium substrate |
| 10/25/1994 | CA1332721C Method of making patterns |
| 10/19/1994 | EP0620293A1 Composition for treating copper or copper alloys |
| 10/18/1994 | US5356511 Forming layer of at least two different elements by sputtering or vapor deposition; selectively etching to remove at least one of these |
| 10/13/1994 | DE4318663C1 Method for masking and treating a surface of a substrate |
| 10/12/1994 | EP0618838A1 Electrodialytic recovery process |
| 10/11/1994 | US5354422 Nickel or nickel-base alloy plating layers on both sides of an iron-based or copper-based material; single layer thickness; photoresist layer; etching |
| 10/04/1994 | US5352350 Method for controlling chemical species concentration |
| 10/04/1994 | US5352326 Applying photoresist to metal coated substrate, imaging, developing, exposing to actinic radiation of selected wavelengths, etching to remove uncovered metal |
| 09/29/1994 | WO1994021715A1 Solid surface modifying method and apparatus |
| 09/29/1994 | WO1994021569A1 Printing of porous substrates |
| 09/29/1994 | WO1994021474A1 Method of fabricating group iii-v compound semiconductor devices using selective etching |
| 09/21/1994 | EP0616052A1 A method and an apparatus for selectively electroplating apertured metal or metallized products |
| 09/21/1994 | EP0615504A1 Cleaning and etching methods utilising acoustic fields |
| 09/21/1994 | EP0565544B1 Alkaline etching of aluminum with matte finish and low waste capability |
| 09/20/1994 | US5348788 Mesh sheet with microscopic projections and holes |
| 09/20/1994 | US5348616 Method for patterning a mold |
| 09/07/1994 | EP0613962A1 Method for producing high gloss bright colored plastic articles |
| 09/07/1994 | CN1091859A Solution preventing from adhesion of impurity in liquid and method and apparatus for corrosion by use of same |
| 09/06/1994 | US5344748 Microplastic structure and method of manufacture |
| 09/06/1994 | CA1331898C Masking compositions for chemical milling and method for applying the same |
| 09/01/1994 | WO1994019918A1 Touch control supply system for electrical equipment, method of manufacture and applications |
| 09/01/1994 | CA2156074A1 Touch control for electrical equipment power supply |
| 08/24/1994 | EP0611483A1 Method and apparatus for controlled spray etching |
| 08/23/1994 | US5340491 Comprising aqueous solution of hydrogen iodide and ferric chloride; for indium tin oxide film |
| 08/23/1994 | US5340436 Demetallizing procedure |
| 08/23/1994 | US5340412 Method of fluorinated nitriding of austenitic stainless steel screw |
| 08/23/1994 | US5340411 Chemial reducing the oxide of tin-lead alloys with dopes cadmium, indium and antimony by immersing in an etching acidic chloride or nitrate solution |
| 08/17/1994 | EP0611273A1 Holder for disc-like articles |
| 08/10/1994 | EP0609342A1 Composition for stabilizing inorganic peroxide solutions. |
| 08/09/1994 | US5336574 Secondary etch resist material containing a compound with a (meth)acryloyl and a carboxy group and another with two or more (meth)acryloyl groups, along with a leveling agent and a chain transfer agent and/or a photoinitiator |
| 08/09/1994 | US5336391 Nickel-phosphorus electrical resistant layer |
| 08/09/1994 | US5336369 Forming film on surface of substrate, forming resist thin film, and isotropically etching |
| 08/09/1994 | US5336363 Low temperature dry etch of copper |
| 08/09/1994 | US5335681 Apparatus for the treatment of board-like articles, particularly printed circuit boards |
| 08/04/1994 | DE4302564A1 Etching, pickling or developing appts. esp. for fine structuring |
| 07/19/1994 | CA2039029C Effective near neutral ph etching solution for molybdenum or tungsten |
| 07/12/1994 | US5329389 Liquid crystal device |
| 07/12/1994 | US5328811 Polyaldehyde layer on copper oxide, copper foil and substrate for lithographic images |
| 07/12/1994 | US5328670 Dissolving hydrogen chloride in waste fluids, crystallization of chlorides of metals and distillation |
| 07/12/1994 | US5328587 Engraving funnel shaped holes in metal tubes and removal |
| 07/12/1994 | US5328561 Water solutions of cupric ion, ammonium hydroxide or ion and chelate compounds |
| 07/05/1994 | US5326490 Cleaning solution, fluoroalkylsulfonamide surfactant |
| 07/05/1994 | US5326429 Process for making studless thin film magnetic head |
| 06/29/1994 | EP0604393A2 Diluted anhydrous hydrogen fluoride gas generator for use in dry etching apparatus |
| 06/28/1994 | US5324496 Recovering abrasive grit by dissolving metal in nitric acid medium in closed container with oxidizing atmosphere |
| 06/28/1994 | US5324407 Substrate of improved plasma sprayed surface morphology and its use as an electrode in an electrolytic cell |
| 06/22/1994 | CN1088161A Steel mould intaglio etching liquid specially for transfer machine electronic |
| 06/16/1994 | DE4310205C1 Prodn. of hole structure in silicon substrate - by producing pores in substrate by etching, forming mask on substrate and selectively etching |
| 06/15/1994 | EP0601276A1 Process for the transformation of copper from wastewater containing copper in the spent copper chloride etching solution from printed circuit board fabrication |
| 06/14/1994 | US5320869 Method for producing high gloss bright colored plastic articles |
| 06/07/1994 | US5318091 Die coating |
| 06/05/1994 | CA2102668A1 Method for producing high gloss bright colored plastic articles |
| 06/01/1994 | EP0599039A1 Etch control system |
| 06/01/1994 | CN1087389A Method for recovery of copper and derived polybasic aluminum chloride by treating acid copper chloride waste liquid |
| 05/26/1994 | WO1994011183A1 Method of making machine-engraved seamless tube |
| 05/25/1994 | EP0598273A1 Method for treatment of circuit boards by dipping in chemical mediums |
| 05/24/1994 | US5314601 Electrodes of improved service life |
| 05/18/1994 | EP0597634A2 Method of opening windows in dielectric layers of an integrated circuit |
| 05/17/1994 | US5312516 Immersion of tantalum pentoxide and illumination |
| 05/17/1994 | US5312510 Apparatus for optimally scanning a two-dimensional surface of one or more objects |
| 05/11/1994 | EP0596110A1 Method of processing rod |
| 05/10/1994 | US5310457 Phosphoric acid, hydrofluoric acid, nitric acid, selectivity |
| 05/10/1994 | US5310440 Convection transfer system |
| 05/04/1994 | EP0595053A2 Anisotropic liquid phase photochemical etch method |
| 04/26/1994 | US5306525 Method of processing rod |