Electroplating characterised by the process Pretreatment or after-treatment of work-pieces

CCHEMISTRY METALLURGY C25Electrolytic processing C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS ELECTROFORMING APPARATUS THEREFOR

C25D5/00Electroplating characterised by the process Pretreatment or after-treatment of work-pieces

C25D5/003Electroplating characterised by the use of gases C25D5/006Electroplating with applied electromagnetic field, not locally C25D5/02Electroplating of selected surface areas C25D5/022using masking means C25D5/024using locally applied electromagnetic radiation C25D5/026using locally applied jets of electrolyte C25D5/028one side electroplating C25D5/04Electroplating with moving electrodes C25D5/06Brush or pad plating C25D5/08Electroplating with moving electrolyte , characterised by electrolyte flow C25D5/10Electroplating with more than one layer of the same or of different metals C25D5/12at least one layer being of nickel or chromium C25D5/14two or more layers being of nickel or chromium C25D5/16Electroplating with layers of varying thickness C25D5/18Electroplating using modulated, pulsed or reversing current C25D5/20Electroplating using ultrasonics , vibrations C25D5/22Electroplating combined with mechanical treatment during the deposition C25D5/34Pretreatment of metallic surfaces to be electroplated C25D5/36of iron or steel C25D5/38of refractory metals or nickel C25D5/40Nickel Chromium C25D5/42of light metals C25D5/44Aluminium C25D5/46of actinides C25D5/48After-treatment of electroplated surfaces C25D5/50by heat-treatment C25D5/505of electroplated tin coatings C25D5/52by brightening or burnishing C25D5/54Electroplating on non-metallic surfaces C25D5/56on thin or conductive plastics