Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Depositing predominantly single metal coating
Reexamination Certificate
2005-02-22
2005-02-22
Wong, Edna (Department: 1753)
Electrolysis: processes, compositions used therein, and methods
Electrolytic coating
Depositing predominantly single metal coating
C205S271000, C106S001270
Reexamination Certificate
active
06858122
ABSTRACT:
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.
REFERENCES:
patent: 3617343 (1971-11-01), Kandler et al.
patent: 3672940 (1972-06-01), Funada et al.
patent: 4421611 (1983-12-01), Cameron
patent: 20030213699 (2003-11-01), Konda et al.
patent: 1408748 (1975-10-01), None
References A, B and N were cited on the European Search Report.
Enomoto Haruki
Kondo Makoto
Shimazu Motoya
Cairns S. Matthew
Shipley Company L.L.C.
Wong Edna
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