The realm of printed motherboard (PCB) technology is huge and consistently evolving, pushing the boundaries of electronic design and manufacturing. Among the range of improvements, Printed Circuit Assembly (PCA) stays important for the effective application of electronic gadgets. High Density Interconnect (HDI) PCB, flexible PCBs, and rigid-flex boards stick out https://intern.ee.aeust.edu.tw/home.php?mod=space&uid=542817