The world of printed motherboard (PCB) technology is large and consistently evolving, pushing the boundaries of electronic design and manufacturing. Among the range of improvements, Printed Circuit Assembly (PCA) stays vital for the successful implementation of electronic devices. High Density Interconnect (HDI) PCB, flexible PCBs, and rigid-flex boards stand out https://clinfowiki.win/wiki/Post:Printed_Circuit_Assembly_in_Modern_Electronics