Substrate (Ni)-catalyzed electroless gold deposition from a noncyanide bath containing thiosulfate and sulfite - II. Deposit characteristics and substrate effects

Sato J; Kato M; Otani H; Homma T; Okinaka Y; Osaka T; Yoshioka O

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Journal of the Electrochemical Society, Vol.149, No.3, C168-C172, 2002

Substrate (Ni)-catalyzed electroless gold deposition from a noncyanide bath containing thiosulfate and sulfite - II. Deposit characteristics and substrate effects

Sato J, Kato M, Otani H, Homma T, Okinaka Y, Osaka T, Yoshioka O

Characteristics of the gold deposit produced by the substrate (Ni)-catalyzed process in the thiosulfate-sulfite bath described in Part I of this series of papers are profoundly affected by bath composition and the composition and pretreatment of the substrate. This paper, Part II of a series of two, describes effects of those variables on the appearance, uniformity, morphology, and porosity of the gold deposit.