PCB Fabrication

Enig Pcb

by:A-TECH      2020-11-06

• This kind of surface end is suitable to be used as bottom metal for cob wiring. • It is a type of surface end suitable for plated through holes. • The plated through holes might get cracked as a result of excessive temperatures utilizing this floor end.


Some producers using better chemical substances, mainly from Atotech, report a higher quality of Aluminum wedge wire bonds than traditionally achievable. For occasion, rather than the same old brushing previous to plating, manufacturers use pumice powder spray on the Copper floor of the PCB. This reduces the roughness of the Copper floor, allowing better plating, and consequently, providing a better quality, reliability, and durability of the Aluminum wedge wire bonds. We have delivered to you a few of the widespread kinds of surface finish, including the benefits and disadvantages connected to every considered one of them.


Depending upon the storage situations the shelf lifetime of this surface finish perhaps an issue. This surface finish is often a bone of rivalry, some love this end, and a few hate it. One ultimate point, it's the most expensive surface end provided, nevertheless, for some applications, like key pads or wire bonding, it is the greatest solution. When using ENIG, the solder-joint is formed between the solder and the Ni layer of the NiAu surface, not with the underlying Cu. It is really helpful that edge connectors have an Electroplated Hard Gold (Ni/Au) floor end.


It may be a wonderful advantage over other types of floor end. We have made obtainable to you an inventory of some types of surface finish that can be utilized along with your kind of project, and after that, we might convey you a little more closely to the best vendor. PS Electronics, the services comprise custom gold thickness, selective gold plating, and so on. ENIG and ENEPIG utility fields are completely different based mostly on their distinctive advantages. The industries and products ENIG is capable of serving include data/telecom, high end consumer, aerospace, army and excessive efficiency gadgets and medical industries.


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