The 39th International Microelectronics and Packaging Society (IMAPS) Poland International Conference was held in Gdansk and took place between 20 and 23 September 2015. This event was organized by the Gdansk University of Technology. The scope of the Conference covered 'everything in electronics between the chip and the system'. The conference was attended by 99 participants, including 21 guests from abroad. During the conference, 18 invited lectures and 78 posters were presented and it was supported by five international journals indexed in the Journal Citation Report database.In this special issue e-book of Circuit World, seven papers have been selected from the conference, covering the processes and procedures associated with printed circuit board design and manufacture. The editors hope that it will be of interest to readers of the journal and that it will help them to find novel solutions, contribute to the creation of new ideas and initiate many varied discussions about PCBs and related interconnect technologies.