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OEM Manufacturer Solder Mask Pcb - Green Soldermask flex-rigid Board | YMS PCB – Yongmingsheng

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Our items are commonly identified and trusted by people and can fulfill repeatedly altering economic and social wants of Cob Ceramic Substrate Pcb , 94v0 Bare Printed Circuit Board , Oversized Pcb , We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
OEM Manufacturer Solder Mask 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.


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OEM Manufacturer Solder Mask Pcb -
 Green Soldermask flex-rigid Board | YMS PCB – Yongmingsheng detail pictures


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It really is a good way to further improve our goods and service. Our mission would be to acquire inventive items to buyers with a very good encounter for OEM Manufacturer Solder Mask Pcb - Green Soldermask flex-rigid Board | YMS PCB – Yongmingsheng , The product will supply to all over the world, such as: Yemen , Dubai , Madrid , We hope we can establish long-term cooperation with all of the customers. And hope we can improve competitiveness and achieve the win-win situation together with the customers. We sincerely welcome the customers from all over the world to contact us for anything you need!
  • This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately, we successfully completed the procurement tasks.
    5 Stars By Modesty from Mexico - 2017.05.31 13:26
    The product classification is very detailed that can be very accurate to meet our demand, a professional wholesaler.
    5 Stars By Amelia from Vietnam - 2018.06.19 10:42
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