Shipley Company LLC

Makoto Kondo

Motoya Shimazu

Haruki Enomoto

Nickel plating baths that efficiently deposit layers of nickel on only the parts to be plated without corroding electronic parts that are ceramic composites or ceramic parts containing transition metal oxides are provided. Such nickel plating baths contain at least two chelating agents selected from amino polycarboxylic acids, polycarboxylic acids, and polyphosphonic acids, and have a pH in the range of 4 to 9, and a ratio of nickel ions to chloride ions of 1 or less.

Nickel electroplating solution

Nickel plating baths that efficiently deposit layers of nickel on only the parts to be plated without corroding electronic parts that are ceramic composites or ceramic parts containing transition metal oxides are provided. Such nickel plating baths contain at least two chelating agents selected from amino polycarboxylic acids, polycarboxylic acids, and polyphosphonic acids, and have a pH in the range of 5 to 7, and a ratio of nickel ions to chloride ions of greater than 1.

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Kounosu, Japan

Makoto Kondo