The realm of printed motherboard (PCB) technology is huge and continuously evolving, pressing the boundaries of electronic design and manufacturing. Among the array of developments, Printed Circuit Assembly (PCA) stays vital for the effective execution of digital gadgets. High Density Interconnect (HDI) PCB, flexible PCBs, and rigid-flex boards attract attention https://fkwiki.win/wiki/Post:Flex_PCB_Manufacturers_and_Client_Design_Requirements