Patent ID: 9249510
Filing Date: 2016-02-02
CPC Classification: C23C,C25B

Claim Text:
1. Method for regenerating a plating composition which is suitable for depositing at least one first metal on a substrate ( 10 ) and which is accommodated by at least one plating device ( 100 ), said plating composition containing said at least one first metal in an ionic form and at least one second metal in an ionic form, wherein said at least one second metal may be provided in a higher and in a lower oxidation state and, when it is provided in a lower oxidation state, is capable of reducing said at least one first metal being in the ionic form to a metallic state, said method comprising: (a) Providing a regeneration device ( (b) Removing at least part of said plating composition from said at least one plating device ( (c) Contacting at least a fraction of said removed plating composition with said working electrode ( (d) Removing said first portion from said removed composition and then contacting a remainder of said removed composition with said working electrode ( (e) Returning said first and second portions to said at least one plating device (