A METHOD OF ETCHING COPPER ON CARDS

Etching of copper on a card is achieved by applying an electrical voltage between a cathode (102) and the card (42), the card (42) thereby forming an anode. The cathode (102) and the card (42) are immersed in an electrolyte comprising a first component, which may be reduced from a first state in the...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FRENNESSON, GOERAN, SJOEBERG, JENNY, BIERINGS, GUST, BJARNASON, BJARNI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPARATUS THEREFOR CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CHEMISTRY ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METALLURGY PRINTED CIRCUITS PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROMOBJECTS
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