COMPOSITION FOR TIN-SILVER ALLOY ELECTROPLATING COMPRISING A COMPLEXING AGENT

An aqueous composition comprising (a) metal ions comprising tin ions and silver ions and (b) at least one complexing agent of formula (C1) R1-X1-S-X21[D1-X22-]n-S-X3-R2, (C2) R1-X1-S-X31-D2-[X32-S-]nX3-R2, (C3) R3-X1-S-X41-[D3-X42-]nS-X3-R4 wherein X1, X3 are independently selected from a linear or...

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Bibliographische Detailangaben
Hauptverfasser: KREMZOW-GRAW, Doris, FLUEGEL, Alexander, FRITZSCHE, Katharina, ARNOLD, Marco
Format: Patent
Sprache:eng
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