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
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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We also provide item sourcing and flight consolidation solutions. We have now our very own manufacturing facility and sourcing place of work. We could provide you with nearly every kind of merchandise associated to our merchandise variety 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: Ottawa, New Zealand, San Diego, Custom orders are acceptable with different quality grade and customer's especial design. We are looking forward to establish the good and successful cooperation in business with long terms from the customers of all over the world.
By Michelle from Argentina - 2018.09.21 11:01
In China, we have many partners, this company is the most satisfying to us, reliable quality and good credit, it is worth appreciation.
By Penny from Namibia - 2018.05.13 17:00