2017 China New Design Flex+Rigid - 4Layer Immersion Gold FPC | YMS PPCB – Yongmingsheng
2017 China New Design Flex+Rigid - 4Layer Immersion Gold FPC | YMS PPCB – Yongmingsheng Detail:
The optimal process conditions were as follows: gold salt concentration (in gold terms)1g/L, organic amine concentration 0.2 mol/L, citric acid 5g/L, operating temperature 50-60℃, solution pH value 9 ~ 10, time control in 5-10min. Under this condition, the effect of chemical deposition is stable, and the color, uniformity and binding force of the deposited gold layer can meet the technical requirements of PCB industry. There is a Study suggests that mainly containing gold chloride acid and organic amine component without cyanide plating liquid system, not only from a technical point of view to meet today’s requirements of PCB industry to the chemical zedoary process, and from an environmental point of view to achieve the replacement of highly toxic chemicals, can significantly reduce the harm to environment, is a kind of has a broad application prospect of environmental friendly process.
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Our company sticks to the principle of "Quality is the life of the company, and reputation is the soul of it" for 2017 China New Design Flex+Rigid - 4Layer Immersion Gold FPC | YMS PPCB – Yongmingsheng , The product will supply to all over the world, such as: Danish , Guatemala , Paraguay , All styles appear on our website are for customizing. We meet up to personal requirements with all products of your very own styles. Our concept is to help presenting the confidence of each buyers with the offering of our most sincere service, and the right product.
By Michelle from Costa Rica - 2017.10.13 10:47
This is a very professional and honest Chinese supplier, from now on we fell in love with the Chinese manufacturing.
By Amy from Italy - 2018.11.04 10:32