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ACIDIC ZINC AND ZINC NICKEL ALLOY PLATING BATH COMPOSITION AND ELECTROPLATING METHOD.
ACIDIC ZINC AND ZINC NICKEL ALLOY PLATING BATH COMPOSITION AND ELECTROPLATING METHOD.
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机译:酸性锌和锌镍合金镀液的组成及电镀方法。
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摘要
The present invention relates to an acidic zinc or zinc-nickel alloy plating bath composition comprising a source for zinc ions, optionally a source for nickel ions, a source for chloride ions and at least one dithiocarbamyl alkyl sulfonic acid or salt thereof. Said plating bath composition and the corresponding plating method result in zinc or zinc-nickel alloy layers having an improved throwing power and thickness distribution, particularly when plating substrates having a complex shape and/or in rack-and-barrel plating.
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