China Gold Supplier for 94v0 Bare Printed Circuit Board - 4Layer Immersion Gold FPC | YMS PPCB – Yongmingsheng
China Gold Supplier for 94v0 Bare Printed Circuit Board - 4Layer Immersion Gold FPC | YMS PPCB – Yongmingsheng Detail:
Immersion Gold
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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We support our buyers with ideal high quality products and high level service. Becoming the specialist manufacturer in this sector, we have gained rich practical experience in producing and managing for China Gold Supplier for 94v0 Bare Printed Circuit Board - 4Layer Immersion Gold FPC | YMS PPCB – Yongmingsheng , The product will supply to all over the world, such as: Mali, Finland, Haiti, It is our customers' satisfaction over our products and services that always inspires us to do better in this business. We build mutually beneficial relationship with our clients by giving them large selection of premium car parts at marked down prices. We provide wholesale prices on all our quality parts so you are guaranteed greater savings.
By Kitty from Swedish - 2017.04.28 15:45
Superb technology, perfect after-sales service and efficient work efficiency, we think this is our best choice.
By Delia Pesina from Tunisia - 2017.11.20 15:58