The IMAPS is a non-profit making organization whose aim is to spread knowledge related to hybrid microelectronics; a key technology in the assembly and application of semiconductors, thin film circuits and printed circuit boards (PCBs) to form practical miniaturized electronic equipment. The 42nd IMAPS Poland International Conference was held in Bialy Dom Hotel near Gliwice and took place between 23 and 26 September 2018. This event was organized by the Silesian University of Technology. The scope of the Conference covered everything in electronics between the chip and the system. In this special issue of Circuit World seven papers have been collected, covering the processes and procedures associated with PCB technology.