Nickel plating solution and its preparation method, nickel...

Details Nickel plating solution and its preparation method, nickel... Nickel plating solution and its preparation method, nickel...

2006-09-21

2010-11-30

Zimmerman, John J (Department: 1784)

Stock material or miscellaneous articles

All metal or with adjacent metals

Foil or filament smaller than 6 mils

C428S675000, C428S612000, C428S658000, C428S626000, C428S632000, C428S935000

Reexamination Certificate

active

07842397

ABSTRACT:
A nickel plating solution preparation method has the steps of: dissolving in water 100 g/L or more and less than 200 g/L of nickel sulfate, and 10 g/L or more and less than 30 g/L of sodium citrate or 8 g/L or more and less than 25 g/L of citric acid, but adding no nickel chloride; and adjusting a pH of the resultant solution to 2 or more and less than 4. Another nickel plating solution preparation method has the steps of: dissolving in water 100 g/L or more and less than 200 g/L of nickel sulfate, and 10 g/L or more and less than 30 g/L of sodium citrate or 8 g/L or more and less than 25 g/L of citric acid, but adding no boric acid; and adjusting a pH of the resultant solution to 2 or more and less than 4.

REFERENCES:
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patent: 7344785 (2008-03-01), Kodaira et al.
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