Factory wholesale Resin Plug Hole Hdi Pcb - Green Soldermask flex-rigid Board | YMS PCB – Yongmingsheng
Factory wholesale Resin Plug Hole Hdi Pcb - Green Soldermask flex-rigid Board | YMS PCB – Yongmingsheng Detail:
Immersion Gold is the method of chemical deposition, through the chemical REDOX reaction to generate a layer of coating which is generally thick, is a chemical nickel gold layer deposition method, can achieve a thicker gold layer.
The process of Immersion Gold on the surface of printed circuit is characterized by stable color, good brightness, smooth coating and good weld ability. Basically, it can be divided into four stages: pre-treatment (oil removal, micro-corrosion, activation and leaching), nickel precipitation, gold precipitation, post-treatment (waste gold water washing,DI washing, drying), gold precipitation thickness between 0.025-0.1um.
Gold used in the surface treatment of circuit boards, because of its strong electrical conductivity, good oxidation resistance, long life, general applications such as keypad, gold finger board.
Product detail pictures:
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With sophisticated technologies and facilities, strict top quality handle, reasonable value, exceptional support and close co-operation with clients, we are devoted to furnishing the ideal worth for our clients for Factory wholesale Resin Plug Hole Hdi Pcb - Green Soldermask flex-rigid Board | YMS PCB – Yongmingsheng , The product will supply to all over the world, such as: Thailand , Myanmar , Monaco , With more and more Chinese products and solutions around the world, our international business is developing rapidly and economic indicators big increase year by year. We have enough confidence to supply you both better solutions and service, because we've been more and more powerful, specialist and experience in domestic and international.
By Faithe from Nepal - 2018.12.10 19:03
This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.
By Mildred from Southampton - 2018.06.12 16:22