Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...
Patent
1997-09-08
1999-04-27
Klemanski, Helene
Compositions: coating or plastic
Coating or plastic compositions
Metal-depositing composition or substrate-sensitizing...
106 123, 106 125, 106 127, C23C 1834
Patent
active
058976922
ABSTRACT:
An electroless plating solution having high stability and capable of preventing the formation of nodules is disclosed. The electroless plating solution includes metal ions which includes nickel ions and copper and/or cobalt ions, a complexing agent containing a hydroxycarboxylic acid and a reducing agent and having a pH of at least 7, and an anionic surfactant. The electroless plating solution further includes iron ions provided by a source selected from potassium ferrocyanide and potassium ferricyanide. The completing agent is preferably used in a molar amount at least equal to that of the metal ions. The electroless plating solution is preferred to contain from 1 mg/L to 0.2 g/L of iron ions and from 10 ppm to 10 g/L of the anionic surfactant.
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Dialog abstract of JP02/301591, Dec. 1990.
Kondo Koji
Kotsuka Kazunori
Denso Corporation
Klemanski Helene
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