Gold plating is a method of depositing a thin layer of gold on the surface of other metal, most often copper or silver.

Gold plating is often used in electronics, to provide a corrosion-resistant electrically conductive layer on copper, typically in electrical connectors and printed circuit boards. With direct gold-on-copper plating, the copper atoms have the tendency to diffuse through the gold layer, causing tarnishing of its surface and formation of an oxide/sulfide layer. A layer of a suitable barrier metal, usually nickel, has therefore to be deposited on the copper substrate, forming a copper-nickel-gold sandwich.

Metals may also be coated with gold for ornamental purposes, using a number of different processes usually referred to as gilding.

----------stainless steel gold & black plated ring----------

    STR-296           STR-295           STR-293           STR-291          STR-290

    STR-285           STR-279           STR-273           STR-269          STR-224

    STR-222           STR-184           STR-183           STR-174          STR-173

    STR-143           STR-142           STR-141           STR-140          STR-139

    STR-137           STR-136           STR-135           STR-134          STR-133

    STR-132           STR-131           STR-130           STR-129          STR-120

    STR-115           STR-114           STR-113           STR-112          STR-111

    STR-110           STR-061           STR-060           STR-056          STR-053

    STR-045           STR-044           STR-020           STR-015          STR-005

----------titanium gold & black plated ring----------

     TIR-065            TIR-064             TIR-063            TIR-062            TIR-042

 

see all titanium gold & black plated ring

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