China wholesale Flex-Rigid - Popular Design for Electronic Fpc Design – Yongmingsheng

Our company puts emphasis about the administration, the introduction of talented staff, along with the construction of employees building, seeking hard to boost the standard and liability consciousness of staff members members. Our business successfully attained IS9001 Certification and European CE Certification of Popular Design for Electronic Fpc Design, We now have substantial goods source and also the rate is our advantage. Welcome to inquire about our merchandise.
Our company puts emphasis about the administration, the introduction of talented staff, along with the construction of employees building, seeking hard to boost the standard and liability consciousness of staff members members. Our business successfully attained IS9001 Certification and European CE Certification of Digital Fpc, Electronic Fpc, Fpc Crimping, Our company has already have pass the ISO standard and we are fully respect our customer ‘s patents and copyrights. If the customer provides their own designs, We will guarantee that they will be the only one can have that solutions. We hoping that with our good items can bring our customers a great fortune.
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.