Gold plating is used for computer graphics card, memory bar, usb interface and other related equipment with other copper clad plate electrical contact parts, with good wear resistance and low contact resistance, can meet the requirements of multiple insertion, in order to increase the wear resistance of gold finger, oxidation resistance and conductivity, as well as improve the service life of gold finger, gold finger is often gold-plated operation. The existing method of gold-plating a gold finger is generally to first etch a gold finger on a copper-clad plate, and make a gold-plated wire. The gold-plated wire enables the gold finger to communicate with each other, and then use solder resistance ink to cover the non-gold-plated area and gold-plated the gold finger. Since the gold-plated wire is actually a process auxiliary wire, the gold-plated wire needs to be removed after the gold-plated wire is completed. The prior art solution mentioned above has the following defects: In the process of gold finger gold-plating by the above method, gold ions will also form a gold-plated layer on the surface of the gold-plated wire when the gold-plated wire is powered on, increasing the gold-plated area, and the gold-plated wire needs to be removed after the gold-plated wire is completed, and the gold layer formed on the surface of the gold-plated wire will also be removed, resulting in a large amount of gold ions being wasted and increasing the production cost of the product. Technical realization elements: Aiming at the shortcomings of the prior art, the invention aims to provide a gold-plating process, which has the effect of reducing the gold-plating area and reducing the production cost.

Gold plating has water plating and electroplating points, but now most of the jewelry products are mainly electroplating, the domestic gold-plating technology is better factories mostly in Shenzhen, Guangdong province, gold-plated jewelry has developed for several years, the market has appeared in the sand gold jewelry, submarine gold jewelry, fire melting gold jewelry, and the two years more popular Tuhaogold jewelry is actually gold-plated jewelry, The difference is that the material used in the embryo is not the same. Relatively speaking, the material that requires high-grade and longer color preservation time and is less harmful to the human body is brass gold-plated jewelry, brass gold-plated jewelry is made of brass material to create a wool blank, and the surface is electroplated with gold, so that the jewelry is yellow and gold inside and outside, the jewelry is bright and the color is longer!

The gold layer has good ductility, easy polishing, high temperature resistance and good resistance to discoloration. Gold plating on the silver layer can prevent discoloration of silver; Gold alloy coating can be presented in a variety of shades, so it is often used as a decorative coating, such as plating jewelry, watch parts, artwork and so on.

Gold plating has low contact resistance, good electrical conductivity, easy welding, strong corrosion resistance, and has a certain wear resistance (referring to hard gold), so it has a wide range of applications in precision instruments, printed circuit boards, integrated circuits, tubes, electrical contacts, etc.