METHOD TO ELECTRODEPOSIT METALS USING IONIC LIQUIDS IN THE PRESENCE OF AN ADDITIVE

METHOD TO ELECTRODEPOSIT METALS USING IONIC LIQUIDS IN THE PRESENCE OF AN ADDITIVE

The present invention pertains to the use of an additive selected from the group consisting of amorphous silica, graphite powder, and a mixture thereof in a process to electroplate or electropolish a metal on a substrate using an ionic liquid as the electrolyte to increase metal layer thickness. It...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SPEELMAN, JOHANNA CHRISTINA, VAN STRIEN, CORNELIS JOHANNES GOVARDUS, KUZMANOVIC, BORIS, WELTER, FRANZ WINFRIED, NABUURS-WILLEMS, LAMBERDINE JOHANNA WILLEMINA MARIA
Format: Patent
Sprache:eng ; fre
Schlagworte:
APPARATUS THEREFOR
CHEMISTRY
ELECTROFORMING
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
METALLURGY
PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROMOBJECTS
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Beschreibung
Zusammenfassung:The present invention pertains to the use of an additive selected from the group consisting of amorphous silica, graphite powder, and a mixture thereof in a process to electroplate or electropolish a metal on a substrate using an ionic liquid as the electrolyte to increase metal layer thickness. It furthermore pertains to a method to electroplate or electropolish a metal on a metal substrate wherein an ionic liquid is employed as electrolyte, wherein a metal salt added to said ionic liquid or a metal anode is employed as metal source, and wherein said ionic liquid comprises said additive.