摘要 |
<p>A composition and method for electrodepositing ductile, bright, level copper deposits from an aqueous acidic copper plating bath having dissolved therein a brightening amount of a compound comprising a substituted phthalocyanine radical. In accordance with a preferred embodiment, the composition and method further includes in the copper plating bath secondary brightening agents including aliphatic polysulfides and/or organic sulfides and/or polyethers, as well as other known additives for acid copper plating baths.</p> |