| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide electroless gold plating liquid capable of gilding directly on a plated film of a base metal such as nickel or palladium, forming a gold-plated film with a thickness of ≥0.1 μm, forming a uniform gold-plated film, and performing a plating work stably. <P>SOLUTION: This electroless gold plating liquid contains a water-soluble gold compound and either of hexahydro-2,4,6-trimethyl-1,3,5-triazine or hexamethylenetetramine. Preferably, hexahydro-2,4,6-trimethyl-1,3,5-triazine or hexamethylenetetramine is contained as much as 0.1-100 g/L. <P>COPYRIGHT: (C)2012,JPO&INPIT |
