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Sn/Pd colloid has been used as activator for plated-through-hole (PTH) manufacturing of printed circuit boards (PCB) for more than 30 years. However, the ever stringent demands from PCB and IC industries promote the development of new activators to replace the traditional but still very useful Sn/Pd colloid. In our study, we have developed a new substitute in the form of Pd nanoparticles protected...
A simple method has been developed to synthesize Cu/Pd nanoparticles in aqueous solution in ambient condition with the addition of complexing agent, trisodium citrate. UV–vis spectra confirmed the complexing behavior of trisodium citrate and metal ions. The particles synthesized with trisodium citrate were well dispersed with particle size ranging between 3–4 nm while the particles without trisodium...
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