Decorating coating, electroplating solution and method to form the coating, and products with the coating

The present invention discloses one kind of decorating coating for ornament, watch and cellphone. The coating is one Co coating with at least Co of 99 % or one CoFeMg coating with Co 95-98 wt%, Fe 1-5 wt% and Mg 0.05-0.2 wt%. Owing to the similar physical and chemical properties of Co and Ni, the co...

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Bibliographic Details
Main Author JINJIA WU
Format Patent
LanguageEnglish
Published 02.08.2006
Subjects
APPARATUS THEREFOR
CHEMISTRY
ELECTROFORMING
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
METALLURGY
PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
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Summary:The present invention discloses one kind of decorating coating for ornament, watch and cellphone. The coating is one Co coating with at least Co of 99 % or one CoFeMg coating with Co 95-98 wt%, Fe 1-5 wt% and Mg 0.05-0.2 wt%. Owing to the similar physical and chemical properties of Co and Ni, the coating of the present invention may be used to replace Ni coating. The coating has Ni releasing amount lower than 0.05 ppm, and the product may be used by consumer with Ni allergy. The present invention also provides the electroplating solution for and method of forming the coating.
Bibliography:Application Number: CN2005133011