FPC of four kinds of surface treatment technology is introduced

FPC flexible circuit board surface treatment technology, according to the requirements of different have different types, there are four main, FPC factory deep coupling circuit in detail for you:

First, zedoary, also known as gold, copper on the surface of the substrate by chemically with blonde biochemical reaction, the other two as a whole, its advantage is that can make the welding effect is stronger, colour and lustre is gorgeous and bright, the downside is that the production is difficult, because produce chemical reaction happens, will produce associated gas, improper handling, can produce poisonous gas, result a certain destruction to the production environment.

Second, gold plated. As the name implies, gold-plated, is in the base material surface coating a layer of gold, for not have copper chemical combination, therefore, the surface than heavy high gold content, golden light, but the effect is not as good as welding heavy gold;

The third, tin plating. Only use tin instead of gold and gold plated. Tin melting point is not high, hardness is not as good as gold, colour and lustre is poorer, the welding effect is better;

Fourth, OSP, namely the oxidation process. Is also a kind of chemical methods, but in certain circumstances to avoid or slow down the oxidation of bonding pad, FPC surface treatment technology is the external use of technology in addition to heavy gold.

Price, because of the difference of different flexible circuit board production process, it is difficult to get the corresponding price list