HDI – high density interconnect PCBs – design trends
Electronic products are becoming more and more complex. The miniaturization of electronic components pushes the evolution of printed circuit boards towards complexity that was unthinkable only a few years ago. The need arises when one no longer thinks of an object that has a single and simple function, but of objects that are evolving in […]
Via hole protection – what is it and when can it be used
Via hole protection is a PCB manufacturing technique in which the via hole is filled with solder mask or epoxy.